--- /dev/null
- void *buffer_to_free = NULL;
+/*
+ * Copyright (c) 2000-2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * multimedia converter based on the FFmpeg libraries
+ */
+
+#include "config.h"
+#include <ctype.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <limits.h>
+#if HAVE_ISATTY
+#if HAVE_IO_H
+#include <io.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#endif
+#include "libavformat/avformat.h"
+#include "libavdevice/avdevice.h"
+#include "libswscale/swscale.h"
+#include "libswresample/swresample.h"
+#include "libavutil/opt.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/samplefmt.h"
+#include "libavutil/fifo.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/dict.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/avstring.h"
+#include "libavutil/libm.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/timestamp.h"
+#include "libavutil/bprint.h"
+#include "libavutil/time.h"
+#include "libavformat/os_support.h"
+
+#include "libavformat/ffm.h" // not public API
+
+# include "libavfilter/avcodec.h"
+# include "libavfilter/avfilter.h"
+# include "libavfilter/buffersrc.h"
+# include "libavfilter/buffersink.h"
+
+#if HAVE_SYS_RESOURCE_H
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#elif HAVE_GETPROCESSTIMES
+#include <windows.h>
+#endif
+#if HAVE_GETPROCESSMEMORYINFO
+#include <windows.h>
+#include <psapi.h>
+#endif
+
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#if HAVE_TERMIOS_H
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <termios.h>
+#elif HAVE_KBHIT
+#include <conio.h>
+#endif
+
+#if HAVE_PTHREADS
+#include <pthread.h>
+#endif
+
+#include <time.h>
+
+#include "ffmpeg.h"
+#include "cmdutils.h"
+
+#include "libavutil/avassert.h"
+
+const char program_name[] = "ffmpeg";
+const int program_birth_year = 2000;
+
+static FILE *vstats_file;
+
+const char *const forced_keyframes_const_names[] = {
+ "n",
+ "n_forced",
+ "prev_forced_n",
+ "prev_forced_t",
+ "t",
+ NULL
+};
+
+static void do_video_stats(OutputStream *ost, int frame_size);
+static int64_t getutime(void);
+static int64_t getmaxrss(void);
+
+static int run_as_daemon = 0;
+static int64_t video_size = 0;
+static int64_t audio_size = 0;
+static int64_t subtitle_size = 0;
+static int64_t extra_size = 0;
+static int nb_frames_dup = 0;
+static int nb_frames_drop = 0;
+static int64_t decode_error_stat[2];
+
+static int current_time;
+AVIOContext *progress_avio = NULL;
+
+static uint8_t *subtitle_out;
+
+#if HAVE_PTHREADS
+/* signal to input threads that they should exit; set by the main thread */
+static int transcoding_finished;
+#endif
+
+#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
+
+InputStream **input_streams = NULL;
+int nb_input_streams = 0;
+InputFile **input_files = NULL;
+int nb_input_files = 0;
+
+OutputStream **output_streams = NULL;
+int nb_output_streams = 0;
+OutputFile **output_files = NULL;
+int nb_output_files = 0;
+
+FilterGraph **filtergraphs;
+int nb_filtergraphs;
+
+#if HAVE_TERMIOS_H
+
+/* init terminal so that we can grab keys */
+static struct termios oldtty;
+static int restore_tty;
+#endif
+
+static void free_input_threads(void);
+
+
+/* sub2video hack:
+ Convert subtitles to video with alpha to insert them in filter graphs.
+ This is a temporary solution until libavfilter gets real subtitles support.
+ */
+
+static int sub2video_get_blank_frame(InputStream *ist)
+{
+ int ret;
+ AVFrame *frame = ist->sub2video.frame;
+
+ av_frame_unref(frame);
+ ist->sub2video.frame->width = ist->sub2video.w;
+ ist->sub2video.frame->height = ist->sub2video.h;
+ ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
+ if ((ret = av_frame_get_buffer(frame, 32)) < 0)
+ return ret;
+ memset(frame->data[0], 0, frame->height * frame->linesize[0]);
+ return 0;
+}
+
+static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
+ AVSubtitleRect *r)
+{
+ uint32_t *pal, *dst2;
+ uint8_t *src, *src2;
+ int x, y;
+
+ if (r->type != SUBTITLE_BITMAP) {
+ av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
+ return;
+ }
+ if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
+ av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
+ return;
+ }
+
+ dst += r->y * dst_linesize + r->x * 4;
+ src = r->pict.data[0];
+ pal = (uint32_t *)r->pict.data[1];
+ for (y = 0; y < r->h; y++) {
+ dst2 = (uint32_t *)dst;
+ src2 = src;
+ for (x = 0; x < r->w; x++)
+ *(dst2++) = pal[*(src2++)];
+ dst += dst_linesize;
+ src += r->pict.linesize[0];
+ }
+}
+
+static void sub2video_push_ref(InputStream *ist, int64_t pts)
+{
+ AVFrame *frame = ist->sub2video.frame;
+ int i;
+
+ av_assert1(frame->data[0]);
+ ist->sub2video.last_pts = frame->pts = pts;
+ for (i = 0; i < ist->nb_filters; i++)
+ av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
+ AV_BUFFERSRC_FLAG_KEEP_REF |
+ AV_BUFFERSRC_FLAG_PUSH);
+}
+
+static void sub2video_update(InputStream *ist, AVSubtitle *sub)
+{
+ int w = ist->sub2video.w, h = ist->sub2video.h;
+ AVFrame *frame = ist->sub2video.frame;
+ int8_t *dst;
+ int dst_linesize;
+ int num_rects, i;
+ int64_t pts, end_pts;
+
+ if (!frame)
+ return;
+ if (sub) {
+ pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
+ AV_TIME_BASE_Q, ist->st->time_base);
+ end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
+ AV_TIME_BASE_Q, ist->st->time_base);
+ num_rects = sub->num_rects;
+ } else {
+ pts = ist->sub2video.end_pts;
+ end_pts = INT64_MAX;
+ num_rects = 0;
+ }
+ if (sub2video_get_blank_frame(ist) < 0) {
+ av_log(ist->st->codec, AV_LOG_ERROR,
+ "Impossible to get a blank canvas.\n");
+ return;
+ }
+ dst = frame->data [0];
+ dst_linesize = frame->linesize[0];
+ for (i = 0; i < num_rects; i++)
+ sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
+ sub2video_push_ref(ist, pts);
+ ist->sub2video.end_pts = end_pts;
+}
+
+static void sub2video_heartbeat(InputStream *ist, int64_t pts)
+{
+ InputFile *infile = input_files[ist->file_index];
+ int i, j, nb_reqs;
+ int64_t pts2;
+
+ /* When a frame is read from a file, examine all sub2video streams in
+ the same file and send the sub2video frame again. Otherwise, decoded
+ video frames could be accumulating in the filter graph while a filter
+ (possibly overlay) is desperately waiting for a subtitle frame. */
+ for (i = 0; i < infile->nb_streams; i++) {
+ InputStream *ist2 = input_streams[infile->ist_index + i];
+ if (!ist2->sub2video.frame)
+ continue;
+ /* subtitles seem to be usually muxed ahead of other streams;
+ if not, substracting a larger time here is necessary */
+ pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
+ /* do not send the heartbeat frame if the subtitle is already ahead */
+ if (pts2 <= ist2->sub2video.last_pts)
+ continue;
+ if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
+ sub2video_update(ist2, NULL);
+ for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
+ nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
+ if (nb_reqs)
+ sub2video_push_ref(ist2, pts2);
+ }
+}
+
+static void sub2video_flush(InputStream *ist)
+{
+ int i;
+
+ for (i = 0; i < ist->nb_filters; i++)
+ av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
+}
+
+/* end of sub2video hack */
+
+void term_exit(void)
+{
+ av_log(NULL, AV_LOG_QUIET, "%s", "");
+#if HAVE_TERMIOS_H
+ if(restore_tty)
+ tcsetattr (0, TCSANOW, &oldtty);
+#endif
+}
+
+static volatile int received_sigterm = 0;
+static volatile int received_nb_signals = 0;
+
+static void
+sigterm_handler(int sig)
+{
+ received_sigterm = sig;
+ received_nb_signals++;
+ term_exit();
+ if(received_nb_signals > 3)
+ exit_program(123);
+}
+
+void term_init(void)
+{
+#if HAVE_TERMIOS_H
+ if(!run_as_daemon){
+ struct termios tty;
+ int istty = 1;
+#if HAVE_ISATTY
+ istty = isatty(0) && isatty(2);
+#endif
+ if (istty && tcgetattr (0, &tty) == 0) {
+ oldtty = tty;
+ restore_tty = 1;
+
+ tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+ |INLCR|IGNCR|ICRNL|IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+ tty.c_cflag &= ~(CSIZE|PARENB);
+ tty.c_cflag |= CS8;
+ tty.c_cc[VMIN] = 1;
+ tty.c_cc[VTIME] = 0;
+
+ tcsetattr (0, TCSANOW, &tty);
+ }
+ signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
+ }
+#endif
+ avformat_network_deinit();
+
+ signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
+ signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
+#ifdef SIGXCPU
+ signal(SIGXCPU, sigterm_handler);
+#endif
+}
+
+/* read a key without blocking */
+static int read_key(void)
+{
+ unsigned char ch;
+#if HAVE_TERMIOS_H
+ int n = 1;
+ struct timeval tv;
+ fd_set rfds;
+
+ FD_ZERO(&rfds);
+ FD_SET(0, &rfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ n = select(1, &rfds, NULL, NULL, &tv);
+ if (n > 0) {
+ n = read(0, &ch, 1);
+ if (n == 1)
+ return ch;
+
+ return n;
+ }
+#elif HAVE_KBHIT
+# if HAVE_PEEKNAMEDPIPE
+ static int is_pipe;
+ static HANDLE input_handle;
+ DWORD dw, nchars;
+ if(!input_handle){
+ input_handle = GetStdHandle(STD_INPUT_HANDLE);
+ is_pipe = !GetConsoleMode(input_handle, &dw);
+ }
+
+ if (stdin->_cnt > 0) {
+ read(0, &ch, 1);
+ return ch;
+ }
+ if (is_pipe) {
+ /* When running under a GUI, you will end here. */
+ if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
+ // input pipe may have been closed by the program that ran ffmpeg
+ return -1;
+ }
+ //Read it
+ if(nchars != 0) {
+ read(0, &ch, 1);
+ return ch;
+ }else{
+ return -1;
+ }
+ }
+# endif
+ if(kbhit())
+ return(getch());
+#endif
+ return -1;
+}
+
+static int decode_interrupt_cb(void *ctx)
+{
+ return received_nb_signals > 1;
+}
+
+const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
+
+static void ffmpeg_cleanup(int ret)
+{
+ int i, j;
+
+ if (do_benchmark) {
+ int maxrss = getmaxrss() / 1024;
+ printf("bench: maxrss=%ikB\n", maxrss);
+ }
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ avfilter_graph_free(&filtergraphs[i]->graph);
+ for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
+ av_freep(&filtergraphs[i]->inputs[j]->name);
+ av_freep(&filtergraphs[i]->inputs[j]);
+ }
+ av_freep(&filtergraphs[i]->inputs);
+ for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
+ av_freep(&filtergraphs[i]->outputs[j]->name);
+ av_freep(&filtergraphs[i]->outputs[j]);
+ }
+ av_freep(&filtergraphs[i]->outputs);
+ av_freep(&filtergraphs[i]->graph_desc);
+ av_freep(&filtergraphs[i]);
+ }
+ av_freep(&filtergraphs);
+
+ av_freep(&subtitle_out);
+
+ /* close files */
+ for (i = 0; i < nb_output_files; i++) {
+ AVFormatContext *s = output_files[i]->ctx;
+ if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
+ avio_close(s->pb);
+ avformat_free_context(s);
+ av_dict_free(&output_files[i]->opts);
+ av_freep(&output_files[i]);
+ }
+ for (i = 0; i < nb_output_streams; i++) {
+ AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
+ while (bsfc) {
+ AVBitStreamFilterContext *next = bsfc->next;
+ av_bitstream_filter_close(bsfc);
+ bsfc = next;
+ }
+ output_streams[i]->bitstream_filters = NULL;
+ avcodec_free_frame(&output_streams[i]->filtered_frame);
+
+ av_freep(&output_streams[i]->forced_keyframes);
+ av_expr_free(output_streams[i]->forced_keyframes_pexpr);
+ av_freep(&output_streams[i]->avfilter);
+ av_freep(&output_streams[i]->logfile_prefix);
+ av_freep(&output_streams[i]);
+ }
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
+ for (i = 0; i < nb_input_files; i++) {
+ avformat_close_input(&input_files[i]->ctx);
+ av_freep(&input_files[i]);
+ }
+ for (i = 0; i < nb_input_streams; i++) {
+ av_frame_free(&input_streams[i]->decoded_frame);
+ av_frame_free(&input_streams[i]->filter_frame);
+ av_dict_free(&input_streams[i]->opts);
+ avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
+ av_frame_free(&input_streams[i]->sub2video.frame);
+ av_freep(&input_streams[i]->filters);
+ av_freep(&input_streams[i]);
+ }
+
+ if (vstats_file)
+ fclose(vstats_file);
+ av_free(vstats_filename);
+
+ av_freep(&input_streams);
+ av_freep(&input_files);
+ av_freep(&output_streams);
+ av_freep(&output_files);
+
+ uninit_opts();
+
+ avformat_network_deinit();
+
+ if (received_sigterm) {
+ av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
+ (int) received_sigterm);
+ }
+ term_exit();
+}
+
+void assert_avoptions(AVDictionary *m)
+{
+ AVDictionaryEntry *t;
+ if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
+ av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
+ exit_program(1);
+ }
+}
+
+static void abort_codec_experimental(AVCodec *c, int encoder)
+{
+ exit_program(1);
+}
+
+static void update_benchmark(const char *fmt, ...)
+{
+ if (do_benchmark_all) {
+ int64_t t = getutime();
+ va_list va;
+ char buf[1024];
+
+ if (fmt) {
+ va_start(va, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, va);
+ va_end(va);
+ printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
+ }
+ current_time = t;
+ }
+}
+
+static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
+{
+ AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
+ AVCodecContext *avctx = ost->st->codec;
+ int ret;
+
+ if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
+ (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
+ pkt->pts = pkt->dts = AV_NOPTS_VALUE;
+
+ /*
+ * Audio encoders may split the packets -- #frames in != #packets out.
+ * But there is no reordering, so we can limit the number of output packets
+ * by simply dropping them here.
+ * Counting encoded video frames needs to be done separately because of
+ * reordering, see do_video_out()
+ */
+ if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
+ if (ost->frame_number >= ost->max_frames) {
+ av_free_packet(pkt);
+ return;
+ }
+ ost->frame_number++;
+ }
+
+ while (bsfc) {
+ AVPacket new_pkt = *pkt;
+ int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
+ &new_pkt.data, &new_pkt.size,
+ pkt->data, pkt->size,
+ pkt->flags & AV_PKT_FLAG_KEY);
+ if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
+ uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
+ if(t) {
+ memcpy(t, new_pkt.data, new_pkt.size);
+ memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ new_pkt.data = t;
+ new_pkt.buf = NULL;
+ a = 1;
+ } else
+ a = AVERROR(ENOMEM);
+ }
+ if (a > 0) {
+ av_free_packet(pkt);
+ new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
+ av_buffer_default_free, NULL, 0);
+ if (!new_pkt.buf)
+ exit_program(1);
+ } else if (a < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
+ bsfc->filter->name, pkt->stream_index,
+ avctx->codec ? avctx->codec->name : "copy");
+ print_error("", a);
+ if (exit_on_error)
+ exit_program(1);
+ }
+ *pkt = new_pkt;
+
+ bsfc = bsfc->next;
+ }
+
+ if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
+ (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
+ pkt->dts != AV_NOPTS_VALUE &&
+ ost->last_mux_dts != AV_NOPTS_VALUE) {
+ int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
+ if (pkt->dts < max) {
+ int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
+ av_log(s, loglevel, "Non-monotonous DTS in output stream "
+ "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
+ ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
+ if (exit_on_error) {
+ av_log(NULL, AV_LOG_FATAL, "aborting.\n");
+ exit_program(1);
+ }
+ av_log(s, loglevel, "changing to %"PRId64". This may result "
+ "in incorrect timestamps in the output file.\n",
+ max);
+ if(pkt->pts >= pkt->dts)
+ pkt->pts = FFMAX(pkt->pts, max);
+ pkt->dts = max;
+ }
+ }
+ ost->last_mux_dts = pkt->dts;
+
+ pkt->stream_index = ost->index;
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
+ av_get_media_type_string(ost->st->codec->codec_type),
+ av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
+ av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
+ pkt->size
+ );
+ }
+
+ ret = av_interleaved_write_frame(s, pkt);
+ if (ret < 0) {
+ print_error("av_interleaved_write_frame()", ret);
+ exit_program(1);
+ }
+}
+
+static void close_output_stream(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+
+ ost->finished = 1;
+ if (of->shortest) {
+ int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
+ of->recording_time = FFMIN(of->recording_time, end);
+ }
+}
+
+static int check_recording_time(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+
+ if (of->recording_time != INT64_MAX &&
+ av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
+ AV_TIME_BASE_Q) >= 0) {
+ close_output_stream(ost);
+ return 0;
+ }
+ return 1;
+}
+
+static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+ AVFrame *frame)
+{
+ AVCodecContext *enc = ost->st->codec;
+ AVPacket pkt;
+ int got_packet = 0;
+
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
+ if (!check_recording_time(ost))
+ return;
+
+ if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
+ frame->pts = ost->sync_opts;
+ ost->sync_opts = frame->pts + frame->nb_samples;
+
+ av_assert0(pkt.size || !pkt.data);
+ update_benchmark(NULL);
+ if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
+ exit_program(1);
+ }
+ update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
+
+ if (got_packet) {
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+ if (pkt.duration > 0)
+ pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
+ }
+
+ audio_size += pkt.size;
+ write_frame(s, &pkt, ost);
+
+ av_free_packet(&pkt);
+ }
+}
+
+static void do_subtitle_out(AVFormatContext *s,
+ OutputStream *ost,
+ InputStream *ist,
+ AVSubtitle *sub)
+{
+ int subtitle_out_max_size = 1024 * 1024;
+ int subtitle_out_size, nb, i;
+ AVCodecContext *enc;
+ AVPacket pkt;
+ int64_t pts;
+
+ if (sub->pts == AV_NOPTS_VALUE) {
+ av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
+ if (exit_on_error)
+ exit_program(1);
+ return;
+ }
+
+ enc = ost->st->codec;
+
+ if (!subtitle_out) {
+ subtitle_out = av_malloc(subtitle_out_max_size);
+ }
+
+ /* Note: DVB subtitle need one packet to draw them and one other
+ packet to clear them */
+ /* XXX: signal it in the codec context ? */
+ if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
+ nb = 2;
+ else
+ nb = 1;
+
+ /* shift timestamp to honor -ss and make check_recording_time() work with -t */
+ pts = sub->pts;
+ if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
+ pts -= output_files[ost->file_index]->start_time;
+ for (i = 0; i < nb; i++) {
+ ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
+ if (!check_recording_time(ost))
+ return;
+
+ sub->pts = pts;
+ // start_display_time is required to be 0
+ sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
+ sub->end_display_time -= sub->start_display_time;
+ sub->start_display_time = 0;
+ if (i == 1)
+ sub->num_rects = 0;
+ subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
+ subtitle_out_max_size, sub);
+ if (subtitle_out_size < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
+ exit_program(1);
+ }
+
+ av_init_packet(&pkt);
+ pkt.data = subtitle_out;
+ pkt.size = subtitle_out_size;
+ pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
+ pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
+ if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
+ /* XXX: the pts correction is handled here. Maybe handling
+ it in the codec would be better */
+ if (i == 0)
+ pkt.pts += 90 * sub->start_display_time;
+ else
+ pkt.pts += 90 * sub->end_display_time;
+ }
+ subtitle_size += pkt.size;
+ write_frame(s, &pkt, ost);
+ }
+}
+
+static void do_video_out(AVFormatContext *s,
+ OutputStream *ost,
+ AVFrame *in_picture)
+{
+ int ret, format_video_sync;
+ AVPacket pkt;
+ AVCodecContext *enc = ost->st->codec;
+ int nb_frames, i;
+ double sync_ipts, delta;
+ double duration = 0;
+ int frame_size = 0;
+ InputStream *ist = NULL;
+
+ if (ost->source_index >= 0)
+ ist = input_streams[ost->source_index];
+
+ if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
+ duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
+
+ sync_ipts = in_picture->pts;
+ delta = sync_ipts - ost->sync_opts + duration;
+
+ /* by default, we output a single frame */
+ nb_frames = 1;
+
+ format_video_sync = video_sync_method;
+ if (format_video_sync == VSYNC_AUTO)
+ format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
+
+ switch (format_video_sync) {
+ case VSYNC_CFR:
+ // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
+ if (delta < -1.1)
+ nb_frames = 0;
+ else if (delta > 1.1)
+ nb_frames = lrintf(delta);
+ break;
+ case VSYNC_VFR:
+ if (delta <= -0.6)
+ nb_frames = 0;
+ else if (delta > 0.6)
+ ost->sync_opts = lrint(sync_ipts);
+ break;
+ case VSYNC_DROP:
+ case VSYNC_PASSTHROUGH:
+ ost->sync_opts = lrint(sync_ipts);
+ break;
+ default:
+ av_assert0(0);
+ }
+
+ nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
+ if (nb_frames == 0) {
+ nb_frames_drop++;
+ av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
+ return;
+ } else if (nb_frames > 1) {
+ if (nb_frames > dts_error_threshold * 30) {
+ av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
+ nb_frames_drop++;
+ return;
+ }
+ nb_frames_dup += nb_frames - 1;
+ av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
+ }
+
+ /* duplicates frame if needed */
+ for (i = 0; i < nb_frames; i++) {
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
+ in_picture->pts = ost->sync_opts;
+
+#if 1
+ if (!check_recording_time(ost))
+#else
+ if (ost->frame_number >= ost->max_frames)
+#endif
+ return;
+
+ if (s->oformat->flags & AVFMT_RAWPICTURE &&
+ enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
+ /* raw pictures are written as AVPicture structure to
+ avoid any copies. We support temporarily the older
+ method. */
+ enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
+ enc->coded_frame->top_field_first = in_picture->top_field_first;
+ if (enc->coded_frame->interlaced_frame)
+ enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
+ else
+ enc->field_order = AV_FIELD_PROGRESSIVE;
+ pkt.data = (uint8_t *)in_picture;
+ pkt.size = sizeof(AVPicture);
+ pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
+ pkt.flags |= AV_PKT_FLAG_KEY;
+
+ video_size += pkt.size;
+ write_frame(s, &pkt, ost);
+ } else {
+ int got_packet, forced_keyframe = 0;
+ double pts_time;
+
+ if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
+ ost->top_field_first >= 0)
+ in_picture->top_field_first = !!ost->top_field_first;
+
+ if (in_picture->interlaced_frame) {
+ if (enc->codec->id == AV_CODEC_ID_MJPEG)
+ enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
+ else
+ enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
+ } else
+ enc->field_order = AV_FIELD_PROGRESSIVE;
+
+ in_picture->quality = ost->st->codec->global_quality;
+ if (!enc->me_threshold)
+ in_picture->pict_type = 0;
+
+ pts_time = in_picture->pts != AV_NOPTS_VALUE ?
+ in_picture->pts * av_q2d(enc->time_base) : NAN;
+ if (ost->forced_kf_index < ost->forced_kf_count &&
+ in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+ ost->forced_kf_index++;
+ forced_keyframe = 1;
+ } else if (ost->forced_keyframes_pexpr) {
+ double res;
+ ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
+ res = av_expr_eval(ost->forced_keyframes_pexpr,
+ ost->forced_keyframes_expr_const_values, NULL);
+ av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
+ ost->forced_keyframes_expr_const_values[FKF_N],
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
+ ost->forced_keyframes_expr_const_values[FKF_T],
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
+ res);
+ if (res) {
+ forced_keyframe = 1;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
+ ost->forced_keyframes_expr_const_values[FKF_N];
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
+ ost->forced_keyframes_expr_const_values[FKF_T];
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
+ }
+
+ ost->forced_keyframes_expr_const_values[FKF_N] += 1;
+ }
+ if (forced_keyframe) {
+ in_picture->pict_type = AV_PICTURE_TYPE_I;
+ av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
+ }
+
+ update_benchmark(NULL);
+ ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
+ update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ exit_program(1);
+ }
+
+ if (got_packet) {
+ if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
+ pkt.pts = ost->sync_opts;
+
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
+ }
+
+ frame_size = pkt.size;
+ video_size += pkt.size;
+ write_frame(s, &pkt, ost);
+ av_free_packet(&pkt);
+
+ /* if two pass, output log */
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
+ }
+ }
+ }
+ ost->sync_opts++;
+ /*
+ * For video, number of frames in == number of packets out.
+ * But there may be reordering, so we can't throw away frames on encoder
+ * flush, we need to limit them here, before they go into encoder.
+ */
+ ost->frame_number++;
+
+ if (vstats_filename && frame_size)
+ do_video_stats(ost, frame_size);
+ }
+}
+
+static double psnr(double d)
+{
+ return -10.0 * log(d) / log(10.0);
+}
+
+static void do_video_stats(OutputStream *ost, int frame_size)
+{
+ AVCodecContext *enc;
+ int frame_number;
+ double ti1, bitrate, avg_bitrate;
+
+ /* this is executed just the first time do_video_stats is called */
+ if (!vstats_file) {
+ vstats_file = fopen(vstats_filename, "w");
+ if (!vstats_file) {
+ perror("fopen");
+ exit_program(1);
+ }
+ }
+
+ enc = ost->st->codec;
+ if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ frame_number = ost->st->nb_frames;
+ fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
+ if (enc->flags&CODEC_FLAG_PSNR)
+ fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
+
+ fprintf(vstats_file,"f_size= %6d ", frame_size);
+ /* compute pts value */
+ ti1 = ost->st->pts.val * av_q2d(enc->time_base);
+ if (ti1 < 0.01)
+ ti1 = 0.01;
+
+ bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
+ avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
+ fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
+ (double)video_size / 1024, ti1, bitrate, avg_bitrate);
+ fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+ }
+}
+
+/**
+ * Get and encode new output from any of the filtergraphs, without causing
+ * activity.
+ *
+ * @return 0 for success, <0 for severe errors
+ */
+static int reap_filters(void)
+{
+ AVFrame *filtered_frame = NULL;
+ int i;
+ int64_t frame_pts;
+
+ /* Reap all buffers present in the buffer sinks */
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ OutputFile *of = output_files[ost->file_index];
+ int ret = 0;
+
+ if (!ost->filter)
+ continue;
+
+ if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
+ return AVERROR(ENOMEM);
+ } else
+ avcodec_get_frame_defaults(ost->filtered_frame);
+ filtered_frame = ost->filtered_frame;
+
+ while (1) {
+ ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame,
+ AV_BUFFERSINK_FLAG_NO_REQUEST);
+ if (ret < 0) {
+ if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
+ av_log(NULL, AV_LOG_WARNING,
+ "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
+ }
+ break;
+ }
+ frame_pts = AV_NOPTS_VALUE;
+ if (filtered_frame->pts != AV_NOPTS_VALUE) {
+ int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
+ filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts,
+ ost->filter->filter->inputs[0]->time_base,
+ ost->st->codec->time_base) -
+ av_rescale_q(start_time,
+ AV_TIME_BASE_Q,
+ ost->st->codec->time_base);
+ }
+ //if (ost->source_index >= 0)
+ // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
+
+
+ switch (ost->filter->filter->inputs[0]->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ filtered_frame->pts = frame_pts;
+ if (!ost->frame_aspect_ratio.num)
+ ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
+
+ do_video_out(of->ctx, ost, filtered_frame);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ filtered_frame->pts = frame_pts;
+ if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
+ ost->st->codec->channels != av_frame_get_channels(filtered_frame)) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
+ break;
+ }
+ do_audio_out(of->ctx, ost, filtered_frame);
+ break;
+ default:
+ // TODO support subtitle filters
+ av_assert0(0);
+ }
+
+ av_frame_unref(filtered_frame);
+ }
+ }
+
+ return 0;
+}
+
+static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
+{
+ char buf[1024];
+ AVBPrint buf_script;
+ OutputStream *ost;
+ AVFormatContext *oc;
+ int64_t total_size;
+ AVCodecContext *enc;
+ int frame_number, vid, i;
+ double bitrate;
+ int64_t pts = INT64_MIN;
+ static int64_t last_time = -1;
+ static int qp_histogram[52];
+ int hours, mins, secs, us;
+
+ if (!print_stats && !is_last_report && !progress_avio)
+ return;
+
+ if (!is_last_report) {
+ if (last_time == -1) {
+ last_time = cur_time;
+ return;
+ }
+ if ((cur_time - last_time) < 500000)
+ return;
+ last_time = cur_time;
+ }
+
+
+ oc = output_files[0]->ctx;
+
+ total_size = avio_size(oc->pb);
+ if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
+ total_size = avio_tell(oc->pb);
+
+ buf[0] = '\0';
+ vid = 0;
+ av_bprint_init(&buf_script, 0, 1);
+ for (i = 0; i < nb_output_streams; i++) {
+ float q = -1;
+ ost = output_streams[i];
+ enc = ost->st->codec;
+ if (!ost->stream_copy && enc->coded_frame)
+ q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
+ if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
+ av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
+ ost->file_index, ost->index, q);
+ }
+ if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ float fps, t = (cur_time-timer_start) / 1000000.0;
+
+ frame_number = ost->frame_number;
+ fps = t > 1 ? frame_number / t : 0;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
+ frame_number, fps < 9.95, fps, q);
+ av_bprintf(&buf_script, "frame=%d\n", frame_number);
+ av_bprintf(&buf_script, "fps=%.1f\n", fps);
+ av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
+ ost->file_index, ost->index, q);
+ if (is_last_report)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
+ if (qp_hist) {
+ int j;
+ int qp = lrintf(q);
+ if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
+ qp_histogram[qp]++;
+ for (j = 0; j < 32; j++)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
+ }
+ if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
+ int j;
+ double error, error_sum = 0;
+ double scale, scale_sum = 0;
+ double p;
+ char type[3] = { 'Y','U','V' };
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
+ for (j = 0; j < 3; j++) {
+ if (is_last_report) {
+ error = enc->error[j];
+ scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
+ } else {
+ error = enc->coded_frame->error[j];
+ scale = enc->width * enc->height * 255.0 * 255.0;
+ }
+ if (j)
+ scale /= 4;
+ error_sum += error;
+ scale_sum += scale;
+ p = psnr(error / scale);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
+ av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
+ ost->file_index, ost->index, type[j] | 32, p);
+ }
+ p = psnr(error_sum / scale_sum);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
+ av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
+ ost->file_index, ost->index, p);
+ }
+ vid = 1;
+ }
+ /* compute min output value */
+ if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
+ pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
+ ost->st->time_base, AV_TIME_BASE_Q));
+ }
+
+ secs = pts / AV_TIME_BASE;
+ us = pts % AV_TIME_BASE;
+ mins = secs / 60;
+ secs %= 60;
+ hours = mins / 60;
+ mins %= 60;
+
+ bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
+
+ if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "size=N/A time=");
+ else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "size=%8.0fkB time=", total_size / 1024.0);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "%02d:%02d:%02d.%02d ", hours, mins, secs,
+ (100 * us) / AV_TIME_BASE);
+ if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "bitrate=N/A");
+ else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "bitrate=%6.1fkbits/s", bitrate);
+ if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
+ else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
+ av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
+ av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
+ hours, mins, secs, us);
+
+ if (nb_frames_dup || nb_frames_drop)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
+ nb_frames_dup, nb_frames_drop);
+ av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
+ av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
+
+ if (print_stats || is_last_report) {
+ if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
+ fprintf(stderr, "%s \r", buf);
+ } else
+ av_log(NULL, AV_LOG_INFO, "%s \r", buf);
+
+ fflush(stderr);
+ }
+
+ if (progress_avio) {
+ av_bprintf(&buf_script, "progress=%s\n",
+ is_last_report ? "end" : "continue");
+ avio_write(progress_avio, buf_script.str,
+ FFMIN(buf_script.len, buf_script.size - 1));
+ avio_flush(progress_avio);
+ av_bprint_finalize(&buf_script, NULL);
+ if (is_last_report) {
+ avio_close(progress_avio);
+ progress_avio = NULL;
+ }
+ }
+
+ if (is_last_report) {
+ int64_t raw= audio_size + video_size + subtitle_size + extra_size;
+ av_log(NULL, AV_LOG_INFO, "\n");
+ av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
+ video_size / 1024.0,
+ audio_size / 1024.0,
+ subtitle_size / 1024.0,
+ extra_size / 1024.0,
+ 100.0 * (total_size - raw) / raw
+ );
+ if(video_size + audio_size + subtitle_size + extra_size == 0){
+ av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
+ }
+ }
+}
+
+static void flush_encoders(void)
+{
+ int i, ret;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ AVCodecContext *enc = ost->st->codec;
+ AVFormatContext *os = output_files[ost->file_index]->ctx;
+ int stop_encoding = 0;
+
+ if (!ost->encoding_needed)
+ continue;
+
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
+ continue;
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
+ continue;
+
+ for (;;) {
+ int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
+ const char *desc;
+ int64_t *size;
+
+ switch (ost->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ encode = avcodec_encode_audio2;
+ desc = "Audio";
+ size = &audio_size;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ encode = avcodec_encode_video2;
+ desc = "Video";
+ size = &video_size;
+ break;
+ default:
+ stop_encoding = 1;
+ }
+
+ if (encode) {
+ AVPacket pkt;
+ int got_packet;
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
+ update_benchmark(NULL);
+ ret = encode(enc, &pkt, NULL, &got_packet);
+ update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
+ exit_program(1);
+ }
+ *size += pkt.size;
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
+ }
+ if (!got_packet) {
+ stop_encoding = 1;
+ break;
+ }
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+ if (pkt.duration > 0)
+ pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
+ write_frame(os, &pkt, ost);
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
+ do_video_stats(ost, pkt.size);
+ }
+ }
+
+ if (stop_encoding)
+ break;
+ }
+ }
+}
+
+/*
+ * Check whether a packet from ist should be written into ost at this time
+ */
+static int check_output_constraints(InputStream *ist, OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+ int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
+
+ if (ost->source_index != ist_index)
+ return 0;
+
+ if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
+ return 0;
+
+ return 1;
+}
+
+static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
+{
+ OutputFile *of = output_files[ost->file_index];
+ InputFile *f = input_files [ist->file_index];
+ int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
+ int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
+ int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
+ AVPicture pict;
+ AVPacket opkt;
+
+ av_init_packet(&opkt);
+
+ if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
+ !ost->copy_initial_nonkeyframes)
+ return;
+
+ if (pkt->pts == AV_NOPTS_VALUE) {
+ if (!ost->frame_number && ist->pts < start_time &&
+ !ost->copy_prior_start)
+ return;
+ } else {
+ if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
+ !ost->copy_prior_start)
+ return;
+ }
+
+ if (of->recording_time != INT64_MAX &&
+ ist->pts >= of->recording_time + start_time) {
+ close_output_stream(ost);
+ return;
+ }
+
+ if (f->recording_time != INT64_MAX) {
+ start_time = f->ctx->start_time;
+ if (f->start_time != AV_NOPTS_VALUE)
+ start_time += f->start_time;
+ if (ist->pts >= f->recording_time + start_time) {
+ close_output_stream(ost);
+ return;
+ }
+ }
+
+ /* force the input stream PTS */
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+ audio_size += pkt->size;
+ else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ video_size += pkt->size;
+ ost->sync_opts++;
+ } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ subtitle_size += pkt->size;
+ }
+
+ if (pkt->pts != AV_NOPTS_VALUE)
+ opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
+ else
+ opkt.pts = AV_NOPTS_VALUE;
+
+ if (pkt->dts == AV_NOPTS_VALUE)
+ opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
+ else
+ opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
+ opkt.dts -= ost_tb_start_time;
+
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
+ int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
+ if(!duration)
+ duration = ist->st->codec->frame_size;
+ opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
+ (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
+ ost->st->time_base) - ost_tb_start_time;
+ }
+
+ opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
+ opkt.flags = pkt->flags;
+
+ // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
+ if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
+ && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
+ && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
+ && ost->st->codec->codec_id != AV_CODEC_ID_VC1
+ ) {
+ if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
+ opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
+ if (!opkt.buf)
+ exit_program(1);
+ }
+ } else {
+ opkt.data = pkt->data;
+ opkt.size = pkt->size;
+ }
+
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
+ /* store AVPicture in AVPacket, as expected by the output format */
+ avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
+ opkt.data = (uint8_t *)&pict;
+ opkt.size = sizeof(AVPicture);
+ opkt.flags |= AV_PKT_FLAG_KEY;
+ }
+
+ write_frame(of->ctx, &opkt, ost);
+ ost->st->codec->frame_number++;
+}
+
+int guess_input_channel_layout(InputStream *ist)
+{
+ AVCodecContext *dec = ist->st->codec;
+
+ if (!dec->channel_layout) {
+ char layout_name[256];
+
+ if (dec->channels > ist->guess_layout_max)
+ return 0;
+ dec->channel_layout = av_get_default_channel_layout(dec->channels);
+ if (!dec->channel_layout)
+ return 0;
+ av_get_channel_layout_string(layout_name, sizeof(layout_name),
+ dec->channels, dec->channel_layout);
+ av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
+ "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
+ }
+ return 1;
+}
+
+static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
+{
+ AVFrame *decoded_frame, *f;
+ AVCodecContext *avctx = ist->st->codec;
+ int i, ret, err = 0, resample_changed;
+ AVRational decoded_frame_tb;
+
+ if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
+ return AVERROR(ENOMEM);
+ if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ decoded_frame = ist->decoded_frame;
+
+ update_benchmark(NULL);
+ ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
+ update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
+
+ if (ret >= 0 && avctx->sample_rate <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
+ ret = AVERROR_INVALIDDATA;
+ }
+
+ if (*got_output || ret<0 || pkt->size)
+ decode_error_stat[ret<0] ++;
+
+ if (!*got_output || ret < 0) {
+ if (!pkt->size) {
+ for (i = 0; i < ist->nb_filters; i++)
+#if 1
+ av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
+#else
+ av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
+#endif
+ }
+ return ret;
+ }
+
+#if 1
+ /* increment next_dts to use for the case where the input stream does not
+ have timestamps or there are multiple frames in the packet */
+ ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
+ avctx->sample_rate;
+ ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
+ avctx->sample_rate;
+#endif
+
+ resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
+ ist->resample_channels != avctx->channels ||
+ ist->resample_channel_layout != decoded_frame->channel_layout ||
+ ist->resample_sample_rate != decoded_frame->sample_rate;
+ if (resample_changed) {
+ char layout1[64], layout2[64];
+
+ if (!guess_input_channel_layout(ist)) {
+ av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
+ "layout for Input Stream #%d.%d\n", ist->file_index,
+ ist->st->index);
+ exit_program(1);
+ }
+ decoded_frame->channel_layout = avctx->channel_layout;
+
+ av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
+ ist->resample_channel_layout);
+ av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
+ decoded_frame->channel_layout);
+
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
+ ist->file_index, ist->st->index,
+ ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
+ ist->resample_channels, layout1,
+ decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
+ avctx->channels, layout2);
+
+ ist->resample_sample_fmt = decoded_frame->format;
+ ist->resample_sample_rate = decoded_frame->sample_rate;
+ ist->resample_channel_layout = decoded_frame->channel_layout;
+ ist->resample_channels = avctx->channels;
+
+ for (i = 0; i < nb_filtergraphs; i++)
+ if (ist_in_filtergraph(filtergraphs[i], ist)) {
+ FilterGraph *fg = filtergraphs[i];
+ int j;
+ if (configure_filtergraph(fg) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
+ for (j = 0; j < fg->nb_outputs; j++) {
+ OutputStream *ost = fg->outputs[j]->ost;
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
+ av_buffersink_set_frame_size(ost->filter->filter,
+ ost->st->codec->frame_size);
+ }
+ }
+ }
+
+ /* if the decoder provides a pts, use it instead of the last packet pts.
+ the decoder could be delaying output by a packet or more. */
+ if (decoded_frame->pts != AV_NOPTS_VALUE) {
+ ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
+ decoded_frame_tb = avctx->time_base;
+ } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = decoded_frame->pkt_pts;
+ pkt->pts = AV_NOPTS_VALUE;
+ decoded_frame_tb = ist->st->time_base;
+ } else if (pkt->pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = pkt->pts;
+ pkt->pts = AV_NOPTS_VALUE;
+ decoded_frame_tb = ist->st->time_base;
+ }else {
+ decoded_frame->pts = ist->dts;
+ decoded_frame_tb = AV_TIME_BASE_Q;
+ }
+ if (decoded_frame->pts != AV_NOPTS_VALUE)
+ decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
+ (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
+ (AVRational){1, ist->st->codec->sample_rate});
+ for (i = 0; i < ist->nb_filters; i++) {
+ if (i < ist->nb_filters - 1) {
+ f = ist->filter_frame;
+ err = av_frame_ref(f, decoded_frame);
+ if (err < 0)
+ break;
+ } else
+ f = decoded_frame;
+ err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
+ AV_BUFFERSRC_FLAG_PUSH);
+ if (err == AVERROR_EOF)
+ err = 0; /* ignore */
+ if (err < 0)
+ break;
+ }
+ decoded_frame->pts = AV_NOPTS_VALUE;
+
+ av_frame_unref(ist->filter_frame);
+ av_frame_unref(decoded_frame);
+ return err < 0 ? err : ret;
+}
+
+static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
+{
+ AVFrame *decoded_frame, *f;
- av_free(buffer_to_free);
+ int i, ret = 0, err = 0, resample_changed;
+ int64_t best_effort_timestamp;
+ AVRational *frame_sample_aspect;
+
+ if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ decoded_frame = ist->decoded_frame;
+ pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
+
+ update_benchmark(NULL);
+ ret = avcodec_decode_video2(ist->st->codec,
+ decoded_frame, got_output, pkt);
+ update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
+
+ if (*got_output || ret<0 || pkt->size)
+ decode_error_stat[ret<0] ++;
+
+ if (!*got_output || ret < 0) {
+ if (!pkt->size) {
+ for (i = 0; i < ist->nb_filters; i++)
+#if 1
+ av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
+#else
+ av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
+#endif
+ }
+ return ret;
+ }
+
+ if(ist->top_field_first>=0)
+ decoded_frame->top_field_first = ist->top_field_first;
+
+ best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
+ if(best_effort_timestamp != AV_NOPTS_VALUE)
+ ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
+ "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
+ ist->st->index, av_ts2str(decoded_frame->pts),
+ av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
+ best_effort_timestamp,
+ av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
+ decoded_frame->key_frame, decoded_frame->pict_type);
+ }
+
+ pkt->size = 0;
+
+ if (ist->st->sample_aspect_ratio.num)
+ decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
+
+ resample_changed = ist->resample_width != decoded_frame->width ||
+ ist->resample_height != decoded_frame->height ||
+ ist->resample_pix_fmt != decoded_frame->format;
+ if (resample_changed) {
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
+ ist->file_index, ist->st->index,
+ ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
+ decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
+
+ ist->resample_width = decoded_frame->width;
+ ist->resample_height = decoded_frame->height;
+ ist->resample_pix_fmt = decoded_frame->format;
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
+ configure_filtergraph(filtergraphs[i]) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
+ }
+ }
+
+ frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
+ for (i = 0; i < ist->nb_filters; i++) {
+ if (!frame_sample_aspect->num)
+ *frame_sample_aspect = ist->st->sample_aspect_ratio;
+
+ if (i < ist->nb_filters - 1) {
+ f = ist->filter_frame;
+ err = av_frame_ref(f, decoded_frame);
+ if (err < 0)
+ break;
+ } else
+ f = decoded_frame;
+ ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
+ if (ret == AVERROR_EOF) {
+ ret = 0; /* ignore */
+ } else if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Failed to inject frame into filter network: %s\n", av_err2str(ret));
+ exit_program(1);
+ }
+ }
+
+ av_frame_unref(ist->filter_frame);
+ av_frame_unref(decoded_frame);
+ return err < 0 ? err : ret;
+}
+
+static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
+{
+ AVSubtitle subtitle;
+ int i, ret = avcodec_decode_subtitle2(ist->st->codec,
+ &subtitle, got_output, pkt);
+
+ if (*got_output || ret<0 || pkt->size)
+ decode_error_stat[ret<0] ++;
+
+ if (ret < 0 || !*got_output) {
+ if (!pkt->size)
+ sub2video_flush(ist);
+ return ret;
+ }
+
+ if (ist->fix_sub_duration) {
+ if (ist->prev_sub.got_output) {
+ int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
+ 1000, AV_TIME_BASE);
+ if (end < ist->prev_sub.subtitle.end_display_time) {
+ av_log(ist->st->codec, AV_LOG_DEBUG,
+ "Subtitle duration reduced from %d to %d\n",
+ ist->prev_sub.subtitle.end_display_time, end);
+ ist->prev_sub.subtitle.end_display_time = end;
+ }
+ }
+ FFSWAP(int, *got_output, ist->prev_sub.got_output);
+ FFSWAP(int, ret, ist->prev_sub.ret);
+ FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
+ }
+
+ sub2video_update(ist, &subtitle);
+
+ if (!*got_output || !subtitle.num_rects)
+ return ret;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+
+ if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
+ continue;
+
+ do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
+ }
+
+ avsubtitle_free(&subtitle);
+ return ret;
+}
+
+/* pkt = NULL means EOF (needed to flush decoder buffers) */
+static int output_packet(InputStream *ist, const AVPacket *pkt)
+{
+ int ret = 0, i;
+ int got_output = 0;
+
+ AVPacket avpkt;
+ if (!ist->saw_first_ts) {
+ ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
+ ist->pts = 0;
+ if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
+ ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
+ ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
+ }
+ ist->saw_first_ts = 1;
+ }
+
+ if (ist->next_dts == AV_NOPTS_VALUE)
+ ist->next_dts = ist->dts;
+ if (ist->next_pts == AV_NOPTS_VALUE)
+ ist->next_pts = ist->pts;
+
+ if (pkt == NULL) {
+ /* EOF handling */
+ av_init_packet(&avpkt);
+ avpkt.data = NULL;
+ avpkt.size = 0;
+ goto handle_eof;
+ } else {
+ avpkt = *pkt;
+ }
+
+ if (pkt->dts != AV_NOPTS_VALUE) {
+ ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
+ if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
+ ist->next_pts = ist->pts = ist->dts;
+ }
+
+ // while we have more to decode or while the decoder did output something on EOF
+ while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
+ int duration;
+ handle_eof:
+
+ ist->pts = ist->next_pts;
+ ist->dts = ist->next_dts;
+
+ if (avpkt.size && avpkt.size != pkt->size) {
+ av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
+ "Multiple frames in a packet from stream %d\n", pkt->stream_index);
+ ist->showed_multi_packet_warning = 1;
+ }
+
+ switch (ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ ret = decode_audio (ist, &avpkt, &got_output);
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ ret = decode_video (ist, &avpkt, &got_output);
+ if (avpkt.duration) {
+ duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
+ } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
+ int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
+ duration = ((int64_t)AV_TIME_BASE *
+ ist->st->codec->time_base.num * ticks) /
+ ist->st->codec->time_base.den;
+ } else
+ duration = 0;
+
+ if(ist->dts != AV_NOPTS_VALUE && duration) {
+ ist->next_dts += duration;
+ }else
+ ist->next_dts = AV_NOPTS_VALUE;
+
+ if (got_output)
+ ist->next_pts += duration; //FIXME the duration is not correct in some cases
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ ret = transcode_subtitles(ist, &avpkt, &got_output);
+ break;
+ default:
+ return -1;
+ }
+
+ if (ret < 0)
+ return ret;
+
+ avpkt.dts=
+ avpkt.pts= AV_NOPTS_VALUE;
+
+ // touch data and size only if not EOF
+ if (pkt) {
+ if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
+ ret = avpkt.size;
+ avpkt.data += ret;
+ avpkt.size -= ret;
+ }
+ if (!got_output) {
+ continue;
+ }
+ }
+
+ /* handle stream copy */
+ if (!ist->decoding_needed) {
+ ist->dts = ist->next_dts;
+ switch (ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
+ ist->st->codec->sample_rate;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ if (ist->framerate.num) {
+ // TODO: Remove work-around for c99-to-c89 issue 7
+ AVRational time_base_q = AV_TIME_BASE_Q;
+ int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
+ ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
+ } else if (pkt->duration) {
+ ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
+ } else if(ist->st->codec->time_base.num != 0) {
+ int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
+ ist->next_dts += ((int64_t)AV_TIME_BASE *
+ ist->st->codec->time_base.num * ticks) /
+ ist->st->codec->time_base.den;
+ }
+ break;
+ }
+ ist->pts = ist->dts;
+ ist->next_pts = ist->next_dts;
+ }
+ for (i = 0; pkt && i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+
+ if (!check_output_constraints(ist, ost) || ost->encoding_needed)
+ continue;
+
+ do_streamcopy(ist, ost, pkt);
+ }
+
+ return 0;
+}
+
+static void print_sdp(void)
+{
+ char sdp[16384];
+ int i;
+ AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
+
+ if (!avc)
+ exit_program(1);
+ for (i = 0; i < nb_output_files; i++)
+ avc[i] = output_files[i]->ctx;
+
+ av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
+ printf("SDP:\n%s\n", sdp);
+ fflush(stdout);
+ av_freep(&avc);
+}
+
+static int init_input_stream(int ist_index, char *error, int error_len)
+{
+ int ret;
+ InputStream *ist = input_streams[ist_index];
+
+ if (ist->decoding_needed) {
+ AVCodec *codec = ist->dec;
+ if (!codec) {
+ snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
+ avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
+ return AVERROR(EINVAL);
+ }
+
+ av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
+
+ if (!av_dict_get(ist->opts, "threads", NULL, 0))
+ av_dict_set(&ist->opts, "threads", "auto", 0);
+ if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
+ char errbuf[128];
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 0);
+
+ av_strerror(ret, errbuf, sizeof(errbuf));
+
+ snprintf(error, error_len,
+ "Error while opening decoder for input stream "
+ "#%d:%d : %s",
+ ist->file_index, ist->st->index, errbuf);
+ return ret;
+ }
+ assert_avoptions(ist->opts);
+ }
+
+ ist->next_pts = AV_NOPTS_VALUE;
+ ist->next_dts = AV_NOPTS_VALUE;
+ ist->is_start = 1;
+
+ return 0;
+}
+
+static InputStream *get_input_stream(OutputStream *ost)
+{
+ if (ost->source_index >= 0)
+ return input_streams[ost->source_index];
+ return NULL;
+}
+
+static int compare_int64(const void *a, const void *b)
+{
+ int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
+ return va < vb ? -1 : va > vb ? +1 : 0;
+}
+
+static void parse_forced_key_frames(char *kf, OutputStream *ost,
+ AVCodecContext *avctx)
+{
+ char *p;
+ int n = 1, i, size, index = 0;
+ int64_t t, *pts;
+
+ for (p = kf; *p; p++)
+ if (*p == ',')
+ n++;
+ size = n;
+ pts = av_malloc(sizeof(*pts) * size);
+ if (!pts) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+
+ p = kf;
+ for (i = 0; i < n; i++) {
+ char *next = strchr(p, ',');
+
+ if (next)
+ *next++ = 0;
+
+ if (!memcmp(p, "chapters", 8)) {
+
+ AVFormatContext *avf = output_files[ost->file_index]->ctx;
+ int j;
+
+ if (avf->nb_chapters > INT_MAX - size ||
+ !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
+ sizeof(*pts)))) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+ t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
+ t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ for (j = 0; j < avf->nb_chapters; j++) {
+ AVChapter *c = avf->chapters[j];
+ av_assert1(index < size);
+ pts[index++] = av_rescale_q(c->start, c->time_base,
+ avctx->time_base) + t;
+ }
+
+ } else {
+
+ t = parse_time_or_die("force_key_frames", p, 1);
+ av_assert1(index < size);
+ pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ }
+
+ p = next;
+ }
+
+ av_assert0(index == size);
+ qsort(pts, size, sizeof(*pts), compare_int64);
+ ost->forced_kf_count = size;
+ ost->forced_kf_pts = pts;
+}
+
+static void report_new_stream(int input_index, AVPacket *pkt)
+{
+ InputFile *file = input_files[input_index];
+ AVStream *st = file->ctx->streams[pkt->stream_index];
+
+ if (pkt->stream_index < file->nb_streams_warn)
+ return;
+ av_log(file->ctx, AV_LOG_WARNING,
+ "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
+ av_get_media_type_string(st->codec->codec_type),
+ input_index, pkt->stream_index,
+ pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
+ file->nb_streams_warn = pkt->stream_index + 1;
+}
+
+static int transcode_init(void)
+{
+ int ret = 0, i, j, k;
+ AVFormatContext *oc;
+ AVCodecContext *codec;
+ OutputStream *ost;
+ InputStream *ist;
+ char error[1024];
+ int want_sdp = 1;
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ for (j = 0; j < fg->nb_outputs; j++) {
+ OutputFilter *ofilter = fg->outputs[j];
+ if (!ofilter->ost || ofilter->ost->source_index >= 0)
+ continue;
+ if (fg->nb_inputs != 1)
+ continue;
+ for (k = nb_input_streams-1; k >= 0 ; k--)
+ if (fg->inputs[0]->ist == input_streams[k])
+ break;
+ ofilter->ost->source_index = k;
+ }
+ }
+
+ /* init framerate emulation */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *ifile = input_files[i];
+ if (ifile->rate_emu)
+ for (j = 0; j < ifile->nb_streams; j++)
+ input_streams[j + ifile->ist_index]->start = av_gettime();
+ }
+
+ /* output stream init */
+ for (i = 0; i < nb_output_files; i++) {
+ oc = output_files[i]->ctx;
+ if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
+ av_dump_format(oc, i, oc->filename, 1);
+ av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
+ return AVERROR(EINVAL);
+ }
+ }
+
+ /* init complex filtergraphs */
+ for (i = 0; i < nb_filtergraphs; i++)
+ if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
+ return ret;
+
+ /* for each output stream, we compute the right encoding parameters */
+ for (i = 0; i < nb_output_streams; i++) {
+ AVCodecContext *icodec = NULL;
+ ost = output_streams[i];
+ oc = output_files[ost->file_index]->ctx;
+ ist = get_input_stream(ost);
+
+ if (ost->attachment_filename)
+ continue;
+
+ codec = ost->st->codec;
+
+ if (ist) {
+ icodec = ist->st->codec;
+
+ ost->st->disposition = ist->st->disposition;
+ codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
+ codec->chroma_sample_location = icodec->chroma_sample_location;
+ } else {
+ for (j=0; j<oc->nb_streams; j++) {
+ AVStream *st = oc->streams[j];
+ if (st != ost->st && st->codec->codec_type == codec->codec_type)
+ break;
+ }
+ if (j == oc->nb_streams)
+ if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
+ ost->st->disposition = AV_DISPOSITION_DEFAULT;
+ }
+
+ if (ost->stream_copy) {
+ AVRational sar;
+ uint64_t extra_size;
+
+ av_assert0(ist && !ost->filter);
+
+ extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+
+ if (extra_size > INT_MAX) {
+ return AVERROR(EINVAL);
+ }
+
+ /* if stream_copy is selected, no need to decode or encode */
+ codec->codec_id = icodec->codec_id;
+ codec->codec_type = icodec->codec_type;
+
+ if (!codec->codec_tag) {
+ unsigned int codec_tag;
+ if (!oc->oformat->codec_tag ||
+ av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
+ !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
+ codec->codec_tag = icodec->codec_tag;
+ }
+
+ codec->bit_rate = icodec->bit_rate;
+ codec->rc_max_rate = icodec->rc_max_rate;
+ codec->rc_buffer_size = icodec->rc_buffer_size;
+ codec->field_order = icodec->field_order;
+ codec->extradata = av_mallocz(extra_size);
+ if (!codec->extradata) {
+ return AVERROR(ENOMEM);
+ }
+ memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
+ codec->extradata_size= icodec->extradata_size;
+ codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
+
+ codec->time_base = ist->st->time_base;
+ /*
+ * Avi is a special case here because it supports variable fps but
+ * having the fps and timebase differe significantly adds quite some
+ * overhead
+ */
+ if(!strcmp(oc->oformat->name, "avi")) {
+ if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
+ && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
+ && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
+ && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
+ || copy_tb==2){
+ codec->time_base.num = ist->st->r_frame_rate.den;
+ codec->time_base.den = 2*ist->st->r_frame_rate.num;
+ codec->ticks_per_frame = 2;
+ } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
+ && av_q2d(ist->st->time_base) < 1.0/500
+ || copy_tb==0){
+ codec->time_base = icodec->time_base;
+ codec->time_base.num *= icodec->ticks_per_frame;
+ codec->time_base.den *= 2;
+ codec->ticks_per_frame = 2;
+ }
+ } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
+ && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
+ && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
+ && strcmp(oc->oformat->name, "f4v")
+ ) {
+ if( copy_tb<0 && icodec->time_base.den
+ && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
+ && av_q2d(ist->st->time_base) < 1.0/500
+ || copy_tb==0){
+ codec->time_base = icodec->time_base;
+ codec->time_base.num *= icodec->ticks_per_frame;
+ }
+ }
+ if ( codec->codec_tag == AV_RL32("tmcd")
+ && icodec->time_base.num < icodec->time_base.den
+ && icodec->time_base.num > 0
+ && 121LL*icodec->time_base.num > icodec->time_base.den) {
+ codec->time_base = icodec->time_base;
+ }
+
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->framerate;
+ if(ost->frame_rate.num)
+ codec->time_base = av_inv_q(ost->frame_rate);
+
+ av_reduce(&codec->time_base.num, &codec->time_base.den,
+ codec->time_base.num, codec->time_base.den, INT_MAX);
+
+ switch (codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ if (audio_volume != 256) {
+ av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
+ exit_program(1);
+ }
+ codec->channel_layout = icodec->channel_layout;
+ codec->sample_rate = icodec->sample_rate;
+ codec->channels = icodec->channels;
+ codec->frame_size = icodec->frame_size;
+ codec->audio_service_type = icodec->audio_service_type;
+ codec->block_align = icodec->block_align;
+ if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
+ codec->block_align= 0;
+ if(codec->codec_id == AV_CODEC_ID_AC3)
+ codec->block_align= 0;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ codec->pix_fmt = icodec->pix_fmt;
+ codec->width = icodec->width;
+ codec->height = icodec->height;
+ codec->has_b_frames = icodec->has_b_frames;
+ if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
+ sar =
+ av_mul_q(ost->frame_aspect_ratio,
+ (AVRational){ codec->height, codec->width });
+ av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
+ "with stream copy may produce invalid files\n");
+ }
+ else if (ist->st->sample_aspect_ratio.num)
+ sar = ist->st->sample_aspect_ratio;
+ else
+ sar = icodec->sample_aspect_ratio;
+ ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
+ ost->st->avg_frame_rate = ist->st->avg_frame_rate;
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ codec->width = icodec->width;
+ codec->height = icodec->height;
+ break;
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_ATTACHMENT:
+ break;
+ default:
+ abort();
+ }
+ } else {
+ if (!ost->enc)
+ ost->enc = avcodec_find_encoder(codec->codec_id);
+ if (!ost->enc) {
+ /* should only happen when a default codec is not present. */
+ snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
+ avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+
+ if (ist)
+ ist->decoding_needed++;
+ ost->encoding_needed = 1;
+
+ if (!ost->filter &&
+ (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
+ codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
+ FilterGraph *fg;
+ fg = init_simple_filtergraph(ist, ost);
+ if (configure_filtergraph(fg)) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
+ exit_program(1);
+ }
+ }
+
+ if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (ost->filter && !ost->frame_rate.num)
+ ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->framerate;
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
+// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
+ if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
+ int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
+ ost->frame_rate = ost->enc->supported_framerates[idx];
+ }
+ }
+
+ switch (codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ codec->sample_fmt = ost->filter->filter->inputs[0]->format;
+ codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
+ codec->time_base = (AVRational){ 1, codec->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ codec->time_base = av_inv_q(ost->frame_rate);
+ if (ost->filter && !(codec->time_base.num && codec->time_base.den))
+ codec->time_base = ost->filter->filter->inputs[0]->time_base;
+ if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
+ && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
+ av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
+ "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
+ }
+ for (j = 0; j < ost->forced_kf_count; j++)
+ ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
+ AV_TIME_BASE_Q,
+ codec->time_base);
+
+ codec->width = ost->filter->filter->inputs[0]->w;
+ codec->height = ost->filter->filter->inputs[0]->h;
+ codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+ ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
+ av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
+ ost->filter->filter->inputs[0]->sample_aspect_ratio;
+ if (!strncmp(ost->enc->name, "libx264", 7) &&
+ codec->pix_fmt == AV_PIX_FMT_NONE &&
+ ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
+ av_log(NULL, AV_LOG_WARNING,
+ "No pixel format specified, %s for H.264 encoding chosen.\n"
+ "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
+ av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
+ if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
+ codec->pix_fmt == AV_PIX_FMT_NONE &&
+ ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
+ av_log(NULL, AV_LOG_WARNING,
+ "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
+ "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
+ av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
+ codec->pix_fmt = ost->filter->filter->inputs[0]->format;
+
+ if (!icodec ||
+ codec->width != icodec->width ||
+ codec->height != icodec->height ||
+ codec->pix_fmt != icodec->pix_fmt) {
+ codec->bits_per_raw_sample = frame_bits_per_raw_sample;
+ }
+
+ if (ost->forced_keyframes) {
+ if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
+ ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
+ forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
+ return ret;
+ }
+ ost->forced_keyframes_expr_const_values[FKF_N] = 0;
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
+ } else {
+ parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
+ }
+ }
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ codec->time_base = (AVRational){1, 1000};
+ if (!codec->width) {
+ codec->width = input_streams[ost->source_index]->st->codec->width;
+ codec->height = input_streams[ost->source_index]->st->codec->height;
+ }
+ break;
+ default:
+ abort();
+ break;
+ }
+ /* two pass mode */
+ if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
+ char logfilename[1024];
+ FILE *f;
+
+ snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
+ ost->logfile_prefix ? ost->logfile_prefix :
+ DEFAULT_PASS_LOGFILENAME_PREFIX,
+ i);
+ if (!strcmp(ost->enc->name, "libx264")) {
+ av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
+ } else {
+ if (codec->flags & CODEC_FLAG_PASS2) {
+ char *logbuffer;
+ size_t logbuffer_size;
+ if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
+ logfilename);
+ exit_program(1);
+ }
+ codec->stats_in = logbuffer;
+ }
+ if (codec->flags & CODEC_FLAG_PASS1) {
+ f = fopen(logfilename, "wb");
+ if (!f) {
+ av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
+ logfilename, strerror(errno));
+ exit_program(1);
+ }
+ ost->logfile = f;
+ }
+ }
+ }
+ }
+ }
+
+ /* open each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ if (ost->encoding_needed) {
+ AVCodec *codec = ost->enc;
+ AVCodecContext *dec = NULL;
+
+ if ((ist = get_input_stream(ost)))
+ dec = ist->st->codec;
+ if (dec && dec->subtitle_header) {
+ /* ASS code assumes this buffer is null terminated so add extra byte. */
+ ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
+ if (!ost->st->codec->subtitle_header) {
+ ret = AVERROR(ENOMEM);
+ goto dump_format;
+ }
+ memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+ ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
+ }
+ if (!av_dict_get(ost->opts, "threads", NULL, 0))
+ av_dict_set(&ost->opts, "threads", "auto", 0);
+ if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 1);
+ snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
+ ost->file_index, ost->index);
+ goto dump_format;
+ }
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
+ av_buffersink_set_frame_size(ost->filter->filter,
+ ost->st->codec->frame_size);
+ assert_avoptions(ost->opts);
+ if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
+ av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
+ " It takes bits/s as argument, not kbits/s\n");
+ extra_size += ost->st->codec->extradata_size;
+
+ if (ost->st->codec->me_threshold)
+ input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
+ } else {
+ av_opt_set_dict(ost->st->codec, &ost->opts);
+ }
+ }
+
+ /* init input streams */
+ for (i = 0; i < nb_input_streams; i++)
+ if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ avcodec_close(ost->st->codec);
+ }
+ goto dump_format;
+ }
+
+ /* discard unused programs */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *ifile = input_files[i];
+ for (j = 0; j < ifile->ctx->nb_programs; j++) {
+ AVProgram *p = ifile->ctx->programs[j];
+ int discard = AVDISCARD_ALL;
+
+ for (k = 0; k < p->nb_stream_indexes; k++)
+ if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
+ discard = AVDISCARD_DEFAULT;
+ break;
+ }
+ p->discard = discard;
+ }
+ }
+
+ /* open files and write file headers */
+ for (i = 0; i < nb_output_files; i++) {
+ oc = output_files[i]->ctx;
+ oc->interrupt_callback = int_cb;
+ if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
+ char errbuf[128];
+ av_strerror(ret, errbuf, sizeof(errbuf));
+ snprintf(error, sizeof(error),
+ "Could not write header for output file #%d "
+ "(incorrect codec parameters ?): %s",
+ i, errbuf);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+// assert_avoptions(output_files[i]->opts);
+ if (strcmp(oc->oformat->name, "rtp")) {
+ want_sdp = 0;
+ }
+ }
+
+ dump_format:
+ /* dump the file output parameters - cannot be done before in case
+ of stream copy */
+ for (i = 0; i < nb_output_files; i++) {
+ av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
+ }
+
+ /* dump the stream mapping */
+ av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+
+ for (j = 0; j < ist->nb_filters; j++) {
+ if (ist->filters[j]->graph->graph_desc) {
+ av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
+ ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
+ ist->filters[j]->name);
+ if (nb_filtergraphs > 1)
+ av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
+ av_log(NULL, AV_LOG_INFO, "\n");
+ }
+ }
+ }
+
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+
+ if (ost->attachment_filename) {
+ /* an attached file */
+ av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
+ ost->attachment_filename, ost->file_index, ost->index);
+ continue;
+ }
+
+ if (ost->filter && ost->filter->graph->graph_desc) {
+ /* output from a complex graph */
+ av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
+ if (nb_filtergraphs > 1)
+ av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
+
+ av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
+ ost->index, ost->enc ? ost->enc->name : "?");
+ continue;
+ }
+
+ av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
+ input_streams[ost->source_index]->file_index,
+ input_streams[ost->source_index]->st->index,
+ ost->file_index,
+ ost->index);
+ if (ost->sync_ist != input_streams[ost->source_index])
+ av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
+ ost->sync_ist->file_index,
+ ost->sync_ist->st->index);
+ if (ost->stream_copy)
+ av_log(NULL, AV_LOG_INFO, " (copy)");
+ else
+ av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
+ input_streams[ost->source_index]->dec->name : "?",
+ ost->enc ? ost->enc->name : "?");
+ av_log(NULL, AV_LOG_INFO, "\n");
+ }
+
+ if (ret) {
+ av_log(NULL, AV_LOG_ERROR, "%s\n", error);
+ return ret;
+ }
+
+ if (want_sdp) {
+ print_sdp();
+ }
+
+ return 0;
+}
+
+/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
+static int need_output(void)
+{
+ int i;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ OutputFile *of = output_files[ost->file_index];
+ AVFormatContext *os = output_files[ost->file_index]->ctx;
+
+ if (ost->finished ||
+ (os->pb && avio_tell(os->pb) >= of->limit_filesize))
+ continue;
+ if (ost->frame_number >= ost->max_frames) {
+ int j;
+ for (j = 0; j < of->ctx->nb_streams; j++)
+ close_output_stream(output_streams[of->ost_index + j]);
+ continue;
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * Select the output stream to process.
+ *
+ * @return selected output stream, or NULL if none available
+ */
+static OutputStream *choose_output(void)
+{
+ int i;
+ int64_t opts_min = INT64_MAX;
+ OutputStream *ost_min = NULL;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
+ AV_TIME_BASE_Q);
+ if (!ost->unavailable && !ost->finished && opts < opts_min) {
+ opts_min = opts;
+ ost_min = ost;
+ }
+ }
+ return ost_min;
+}
+
+static int check_keyboard_interaction(int64_t cur_time)
+{
+ int i, ret, key;
+ static int64_t last_time;
+ if (received_nb_signals)
+ return AVERROR_EXIT;
+ /* read_key() returns 0 on EOF */
+ if(cur_time - last_time >= 100000 && !run_as_daemon){
+ key = read_key();
+ last_time = cur_time;
+ }else
+ key = -1;
+ if (key == 'q')
+ return AVERROR_EXIT;
+ if (key == '+') av_log_set_level(av_log_get_level()+10);
+ if (key == '-') av_log_set_level(av_log_get_level()-10);
+ if (key == 's') qp_hist ^= 1;
+ if (key == 'h'){
+ if (do_hex_dump){
+ do_hex_dump = do_pkt_dump = 0;
+ } else if(do_pkt_dump){
+ do_hex_dump = 1;
+ } else
+ do_pkt_dump = 1;
+ av_log_set_level(AV_LOG_DEBUG);
+ }
+ if (key == 'c' || key == 'C'){
+ char buf[4096], target[64], command[256], arg[256] = {0};
+ double time;
+ int k, n = 0;
+ fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
+ i = 0;
+ while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
+ if (k > 0)
+ buf[i++] = k;
+ buf[i] = 0;
+ if (k > 0 &&
+ (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
+ av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
+ target, time, command, arg);
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ if (fg->graph) {
+ if (time < 0) {
+ ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
+ key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
+ fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
+ } else if (key == 'c') {
+ fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
+ ret = AVERROR_PATCHWELCOME;
+ } else {
+ ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
+ }
+ }
+ }
+ } else {
+ av_log(NULL, AV_LOG_ERROR,
+ "Parse error, at least 3 arguments were expected, "
+ "only %d given in string '%s'\n", n, buf);
+ }
+ }
+ if (key == 'd' || key == 'D'){
+ int debug=0;
+ if(key == 'D') {
+ debug = input_streams[0]->st->codec->debug<<1;
+ if(!debug) debug = 1;
+ while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
+ debug += debug;
+ }else
+ if(scanf("%d", &debug)!=1)
+ fprintf(stderr,"error parsing debug value\n");
+ for(i=0;i<nb_input_streams;i++) {
+ input_streams[i]->st->codec->debug = debug;
+ }
+ for(i=0;i<nb_output_streams;i++) {
+ OutputStream *ost = output_streams[i];
+ ost->st->codec->debug = debug;
+ }
+ if(debug) av_log_set_level(AV_LOG_DEBUG);
+ fprintf(stderr,"debug=%d\n", debug);
+ }
+ if (key == '?'){
+ fprintf(stderr, "key function\n"
+ "? show this help\n"
+ "+ increase verbosity\n"
+ "- decrease verbosity\n"
+ "c Send command to first matching filter supporting it\n"
+ "C Send/Que command to all matching filters\n"
+ "D cycle through available debug modes\n"
+ "h dump packets/hex press to cycle through the 3 states\n"
+ "q quit\n"
+ "s Show QP histogram\n"
+ );
+ }
+ return 0;
+}
+
+#if HAVE_PTHREADS
+static void *input_thread(void *arg)
+{
+ InputFile *f = arg;
+ int ret = 0;
+
+ while (!transcoding_finished && ret >= 0) {
+ AVPacket pkt;
+ ret = av_read_frame(f->ctx, &pkt);
+
+ if (ret == AVERROR(EAGAIN)) {
+ av_usleep(10000);
+ ret = 0;
+ continue;
+ } else if (ret < 0)
+ break;
+
+ pthread_mutex_lock(&f->fifo_lock);
+ while (!av_fifo_space(f->fifo))
+ pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
+
+ av_dup_packet(&pkt);
+ av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
+
+ pthread_mutex_unlock(&f->fifo_lock);
+ }
+
+ f->finished = 1;
+ return NULL;
+}
+
+static void free_input_threads(void)
+{
+ int i;
+
+ if (nb_input_files == 1)
+ return;
+
+ transcoding_finished = 1;
+
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+ AVPacket pkt;
+
+ if (!f->fifo || f->joined)
+ continue;
+
+ pthread_mutex_lock(&f->fifo_lock);
+ while (av_fifo_size(f->fifo)) {
+ av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
+ av_free_packet(&pkt);
+ }
+ pthread_cond_signal(&f->fifo_cond);
+ pthread_mutex_unlock(&f->fifo_lock);
+
+ pthread_join(f->thread, NULL);
+ f->joined = 1;
+
+ while (av_fifo_size(f->fifo)) {
+ av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
+ av_free_packet(&pkt);
+ }
+ av_fifo_free(f->fifo);
+ }
+}
+
+static int init_input_threads(void)
+{
+ int i, ret;
+
+ if (nb_input_files == 1)
+ return 0;
+
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+
+ if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
+ return AVERROR(ENOMEM);
+
+ pthread_mutex_init(&f->fifo_lock, NULL);
+ pthread_cond_init (&f->fifo_cond, NULL);
+
+ if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
+ return AVERROR(ret);
+ }
+ return 0;
+}
+
+static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
+{
+ int ret = 0;
+
+ pthread_mutex_lock(&f->fifo_lock);
+
+ if (av_fifo_size(f->fifo)) {
+ av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
+ pthread_cond_signal(&f->fifo_cond);
+ } else {
+ if (f->finished)
+ ret = AVERROR_EOF;
+ else
+ ret = AVERROR(EAGAIN);
+ }
+
+ pthread_mutex_unlock(&f->fifo_lock);
+
+ return ret;
+}
+#endif
+
+static int get_input_packet(InputFile *f, AVPacket *pkt)
+{
+ if (f->rate_emu) {
+ int i;
+ for (i = 0; i < f->nb_streams; i++) {
+ InputStream *ist = input_streams[f->ist_index + i];
+ int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
+ int64_t now = av_gettime() - ist->start;
+ if (pts > now)
+ return AVERROR(EAGAIN);
+ }
+ }
+
+#if HAVE_PTHREADS
+ if (nb_input_files > 1)
+ return get_input_packet_mt(f, pkt);
+#endif
+ return av_read_frame(f->ctx, pkt);
+}
+
+static int got_eagain(void)
+{
+ int i;
+ for (i = 0; i < nb_output_streams; i++)
+ if (output_streams[i]->unavailable)
+ return 1;
+ return 0;
+}
+
+static void reset_eagain(void)
+{
+ int i;
+ for (i = 0; i < nb_input_files; i++)
+ input_files[i]->eagain = 0;
+ for (i = 0; i < nb_output_streams; i++)
+ output_streams[i]->unavailable = 0;
+}
+
+/*
+ * Return
+ * - 0 -- one packet was read and processed
+ * - AVERROR(EAGAIN) -- no packets were available for selected file,
+ * this function should be called again
+ * - AVERROR_EOF -- this function should not be called again
+ */
+static int process_input(int file_index)
+{
+ InputFile *ifile = input_files[file_index];
+ AVFormatContext *is;
+ InputStream *ist;
+ AVPacket pkt;
+ int ret, i, j;
+
+ is = ifile->ctx;
+ ret = get_input_packet(ifile, &pkt);
+
+ if (ret == AVERROR(EAGAIN)) {
+ ifile->eagain = 1;
+ return ret;
+ }
+ if (ret < 0) {
+ if (ret != AVERROR_EOF) {
+ print_error(is->filename, ret);
+ if (exit_on_error)
+ exit_program(1);
+ }
+ ifile->eof_reached = 1;
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ if (ist->decoding_needed)
+ output_packet(ist, NULL);
+
+ /* mark all outputs that don't go through lavfi as finished */
+ for (j = 0; j < nb_output_streams; j++) {
+ OutputStream *ost = output_streams[j];
+
+ if (ost->source_index == ifile->ist_index + i &&
+ (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
+ close_output_stream(ost);
+ }
+ }
+
+ return AVERROR(EAGAIN);
+ }
+
+ reset_eagain();
+
+ if (do_pkt_dump) {
+ av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
+ is->streams[pkt.stream_index]);
+ }
+ /* the following test is needed in case new streams appear
+ dynamically in stream : we ignore them */
+ if (pkt.stream_index >= ifile->nb_streams) {
+ report_new_stream(file_index, &pkt);
+ goto discard_packet;
+ }
+
+ ist = input_streams[ifile->ist_index + pkt.stream_index];
+ if (ist->discard)
+ goto discard_packet;
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
+ "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
+ ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
+ av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
+ av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
+ av_ts2str(input_files[ist->file_index]->ts_offset),
+ av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
+ }
+
+ if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
+ int64_t stime, stime2;
+ // Correcting starttime based on the enabled streams
+ // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
+ // so we instead do it here as part of discontinuity handling
+ if ( ist->next_dts == AV_NOPTS_VALUE
+ && ifile->ts_offset == -is->start_time
+ && (is->iformat->flags & AVFMT_TS_DISCONT)) {
+ int64_t new_start_time = INT64_MAX;
+ for (i=0; i<is->nb_streams; i++) {
+ AVStream *st = is->streams[i];
+ if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
+ continue;
+ new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
+ }
+ if (new_start_time > is->start_time) {
+ av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
+ ifile->ts_offset = -new_start_time;
+ }
+ }
+
+ stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
+ stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
+ ist->wrap_correction_done = 1;
+
+ if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
+ pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
+ ist->wrap_correction_done = 0;
+ }
+ if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
+ pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
+ ist->wrap_correction_done = 0;
+ }
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
+
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts *= ist->ts_scale;
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts *= ist->ts_scale;
+
+ if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
+ && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
+ int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
+ int64_t delta = pkt_dts - ifile->last_ts;
+ if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
+ (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
+ ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
+ ifile->ts_offset -= delta;
+ av_log(NULL, AV_LOG_DEBUG,
+ "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
+ delta, ifile->ts_offset);
+ pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ }
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
+ !copy_ts) {
+ int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
+ int64_t delta = pkt_dts - ist->next_dts;
+ if (is->iformat->flags & AVFMT_TS_DISCONT) {
+ if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
+ (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
+ ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
+ pkt_dts + AV_TIME_BASE/10 < ist->pts){
+ ifile->ts_offset -= delta;
+ av_log(NULL, AV_LOG_DEBUG,
+ "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
+ delta, ifile->ts_offset);
+ pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ }
+ } else {
+ if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
+ (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
+ ) {
+ av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
+ pkt.dts = AV_NOPTS_VALUE;
+ }
+ if (pkt.pts != AV_NOPTS_VALUE){
+ int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
+ delta = pkt_pts - ist->next_dts;
+ if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
+ (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
+ ) {
+ av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
+ pkt.pts = AV_NOPTS_VALUE;
+ }
+ }
+ }
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
+ ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
+ av_ts2str(input_files[ist->file_index]->ts_offset),
+ av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
+ }
+
+ sub2video_heartbeat(ist, pkt.pts);
+
+ ret = output_packet(ist, &pkt);
+ if (ret < 0) {
+ char buf[128];
+ av_strerror(ret, buf, sizeof(buf));
+ av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
+ ist->file_index, ist->st->index, buf);
+ if (exit_on_error)
+ exit_program(1);
+ }
+
+discard_packet:
+ av_free_packet(&pkt);
+
+ return 0;
+}
+
+/**
+ * Perform a step of transcoding for the specified filter graph.
+ *
+ * @param[in] graph filter graph to consider
+ * @param[out] best_ist input stream where a frame would allow to continue
+ * @return 0 for success, <0 for error
+ */
+static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
+{
+ int i, ret;
+ int nb_requests, nb_requests_max = 0;
+ InputFilter *ifilter;
+ InputStream *ist;
+
+ *best_ist = NULL;
+ ret = avfilter_graph_request_oldest(graph->graph);
+ if (ret >= 0)
+ return reap_filters();
+
+ if (ret == AVERROR_EOF) {
+ ret = reap_filters();
+ for (i = 0; i < graph->nb_outputs; i++)
+ close_output_stream(graph->outputs[i]->ost);
+ return ret;
+ }
+ if (ret != AVERROR(EAGAIN))
+ return ret;
+
+ for (i = 0; i < graph->nb_inputs; i++) {
+ ifilter = graph->inputs[i];
+ ist = ifilter->ist;
+ if (input_files[ist->file_index]->eagain ||
+ input_files[ist->file_index]->eof_reached)
+ continue;
+ nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
+ if (nb_requests > nb_requests_max) {
+ nb_requests_max = nb_requests;
+ *best_ist = ist;
+ }
+ }
+
+ if (!*best_ist)
+ for (i = 0; i < graph->nb_outputs; i++)
+ graph->outputs[i]->ost->unavailable = 1;
+
+ return 0;
+}
+
+/**
+ * Run a single step of transcoding.
+ *
+ * @return 0 for success, <0 for error
+ */
+static int transcode_step(void)
+{
+ OutputStream *ost;
+ InputStream *ist;
+ int ret;
+
+ ost = choose_output();
+ if (!ost) {
+ if (got_eagain()) {
+ reset_eagain();
+ av_usleep(10000);
+ return 0;
+ }
+ av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
+ return AVERROR_EOF;
+ }
+
+ if (ost->filter) {
+ if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
+ return ret;
+ if (!ist)
+ return 0;
+ } else {
+ av_assert0(ost->source_index >= 0);
+ ist = input_streams[ost->source_index];
+ }
+
+ ret = process_input(ist->file_index);
+ if (ret == AVERROR(EAGAIN)) {
+ if (input_files[ist->file_index]->eagain)
+ ost->unavailable = 1;
+ return 0;
+ }
+ if (ret < 0)
+ return ret == AVERROR_EOF ? 0 : ret;
+
+ return reap_filters();
+}
+
+/*
+ * The following code is the main loop of the file converter
+ */
+static int transcode(void)
+{
+ int ret, i;
+ AVFormatContext *os;
+ OutputStream *ost;
+ InputStream *ist;
+ int64_t timer_start;
+
+ ret = transcode_init();
+ if (ret < 0)
+ goto fail;
+
+ if (stdin_interaction) {
+ av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
+ }
+
+ timer_start = av_gettime();
+
+#if HAVE_PTHREADS
+ if ((ret = init_input_threads()) < 0)
+ goto fail;
+#endif
+
+ while (!received_sigterm) {
+ int64_t cur_time= av_gettime();
+
+ /* if 'q' pressed, exits */
+ if (stdin_interaction)
+ if (check_keyboard_interaction(cur_time) < 0)
+ break;
+
+ /* check if there's any stream where output is still needed */
+ if (!need_output()) {
+ av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
+ break;
+ }
+
+ ret = transcode_step();
+ if (ret < 0) {
+ if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
+ continue;
+
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+ break;
+ }
+
+ /* dump report by using the output first video and audio streams */
+ print_report(0, timer_start, cur_time);
+ }
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
+
+ /* at the end of stream, we must flush the decoder buffers */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
+ output_packet(ist, NULL);
+ }
+ }
+ flush_encoders();
+
+ term_exit();
+
+ /* write the trailer if needed and close file */
+ for (i = 0; i < nb_output_files; i++) {
+ os = output_files[i]->ctx;
+ av_write_trailer(os);
+ }
+
+ /* dump report by using the first video and audio streams */
+ print_report(1, timer_start, av_gettime());
+
+ /* close each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ if (ost->encoding_needed) {
+ av_freep(&ost->st->codec->stats_in);
+ avcodec_close(ost->st->codec);
+ }
+ }
+
+ /* close each decoder */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (ist->decoding_needed) {
+ avcodec_close(ist->st->codec);
+ }
+ }
+
+ /* finished ! */
+ ret = 0;
+
+ fail:
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
+
+ if (output_streams) {
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ if (ost) {
+ if (ost->stream_copy)
+ av_freep(&ost->st->codec->extradata);
+ if (ost->logfile) {
+ fclose(ost->logfile);
+ ost->logfile = NULL;
+ }
+ av_freep(&ost->st->codec->subtitle_header);
+ av_freep(&ost->forced_kf_pts);
+ av_freep(&ost->apad);
+ av_dict_free(&ost->opts);
+ av_dict_free(&ost->swr_opts);
+ av_dict_free(&ost->resample_opts);
+ }
+ }
+ }
+ return ret;
+}
+
+
+static int64_t getutime(void)
+{
+#if HAVE_GETRUSAGE
+ struct rusage rusage;
+
+ getrusage(RUSAGE_SELF, &rusage);
+ return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
+#elif HAVE_GETPROCESSTIMES
+ HANDLE proc;
+ FILETIME c, e, k, u;
+ proc = GetCurrentProcess();
+ GetProcessTimes(proc, &c, &e, &k, &u);
+ return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
+#else
+ return av_gettime();
+#endif
+}
+
+static int64_t getmaxrss(void)
+{
+#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
+ struct rusage rusage;
+ getrusage(RUSAGE_SELF, &rusage);
+ return (int64_t)rusage.ru_maxrss * 1024;
+#elif HAVE_GETPROCESSMEMORYINFO
+ HANDLE proc;
+ PROCESS_MEMORY_COUNTERS memcounters;
+ proc = GetCurrentProcess();
+ memcounters.cb = sizeof(memcounters);
+ GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
+ return memcounters.PeakPagefileUsage;
+#else
+ return 0;
+#endif
+}
+
+static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
+{
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ int64_t ti;
+
+ register_exit(ffmpeg_cleanup);
+
+ setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
+
+ av_log_set_flags(AV_LOG_SKIP_REPEATED);
+ parse_loglevel(argc, argv, options);
+
+ if(argc>1 && !strcmp(argv[1], "-d")){
+ run_as_daemon=1;
+ av_log_set_callback(log_callback_null);
+ argc--;
+ argv++;
+ }
+
+ avcodec_register_all();
+#if CONFIG_AVDEVICE
+ avdevice_register_all();
+#endif
+ avfilter_register_all();
+ av_register_all();
+ avformat_network_init();
+
+ show_banner(argc, argv, options);
+
+ term_init();
+
+ /* parse options and open all input/output files */
+ ret = ffmpeg_parse_options(argc, argv);
+ if (ret < 0)
+ exit_program(1);
+
+ if (nb_output_files <= 0 && nb_input_files == 0) {
+ show_usage();
+ av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
+ exit_program(1);
+ }
+
+ /* file converter / grab */
+ if (nb_output_files <= 0) {
+ av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
+ exit_program(1);
+ }
+
+// if (nb_input_files == 0) {
+// av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
+// exit_program(1);
+// }
+
+ current_time = ti = getutime();
+ if (transcode() < 0)
+ exit_program(1);
+ ti = getutime() - ti;
+ if (do_benchmark) {
+ printf("bench: utime=%0.3fs\n", ti / 1000000.0);
+ }
+ av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
+ decode_error_stat[0], decode_error_stat[1]);
+ if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
+ exit_program(69);
+
+ exit_program(received_nb_signals ? 255 : 0);
+ return 0;
+}
projects / ffmpeg / commitdiff