/*
* avconv main
- * Copyright (c) 2000-2011 The libav developers.
+ * Copyright (c) 2000-2011 The Libav developers
*
* This file is part of Libav.
*
#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/fifo.h"
+#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/mathematics.h"
static int nb_frames_drop = 0;
-
+static int want_sdp = 1;
#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 "av2pass"
-
InputStream **input_streams = NULL;
int nb_input_streams = 0;
InputFile **input_files = NULL;
FilterGraph *fg = filtergraphs[i];
avfilter_graph_free(&fg->graph);
for (j = 0; j < fg->nb_inputs; j++) {
+ while (av_fifo_size(fg->inputs[j]->frame_queue)) {
+ AVFrame *frame;
+ av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
+ sizeof(frame), NULL);
+ av_frame_free(&frame);
+ }
+ av_fifo_free(fg->inputs[j]->frame_queue);
+ av_buffer_unref(&fg->inputs[j]->hw_frames_ctx);
av_freep(&fg->inputs[j]->name);
av_freep(&fg->inputs[j]);
}
av_freep(&fg->inputs);
for (j = 0; j < fg->nb_outputs; j++) {
av_freep(&fg->outputs[j]->name);
+ av_freep(&fg->outputs[j]->formats);
+ av_freep(&fg->outputs[j]->channel_layouts);
+ av_freep(&fg->outputs[j]->sample_rates);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);
}
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
- AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
- while (bsfc) {
- AVBitStreamFilterContext *next = bsfc->next;
- av_bitstream_filter_close(bsfc);
- bsfc = next;
- }
- ost->bitstream_filters = NULL;
+
+ for (j = 0; j < ost->nb_bitstream_filters; j++)
+ av_bsf_free(&ost->bsf_ctx[j]);
+ av_freep(&ost->bsf_ctx);
+ av_freep(&ost->bitstream_filters);
+
av_frame_free(&ost->filtered_frame);
av_parser_close(ost->parser);
+ avcodec_free_context(&ost->parser_avctx);
av_freep(&ost->forced_keyframes);
av_freep(&ost->avfilter);
avcodec_free_context(&ost->enc_ctx);
+ if (ost->muxing_queue) {
+ while (av_fifo_size(ost->muxing_queue)) {
+ AVPacket pkt;
+ av_log(NULL, AV_LOG_INFO, "after av_fifo_size()\n");
+ av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
+ av_packet_unref(&pkt);
+ }
+ av_fifo_free(ost->muxing_queue);
+ }
av_freep(&output_streams[i]);
}
for (i = 0; i < nb_input_files; i++) {
"results.\nAdd '-strict experimental' if you want to use it.\n",
codec_string, c->name);
codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
- if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+ if (!(codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
codec_string, codec->name);
exit_program(1);
}
-/*
- * Update the requested input sample format based on the output sample format.
- * This is currently only used to request float output from decoders which
- * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
- * Ideally this will be removed in the future when decoders do not do format
- * conversion and only output in their native format.
- */
-static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
- AVCodecContext *enc)
+static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
{
- /* if sample formats match or a decoder sample format has already been
- requested, just return */
- if (enc->sample_fmt == dec->sample_fmt ||
- dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
- return;
+ AVFormatContext *s = of->ctx;
+ AVStream *st = ost->st;
+ int ret;
- /* if decoder supports more than one output format */
- if (dec_codec && dec_codec->sample_fmts &&
- dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
- dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
- const enum AVSampleFormat *p;
- int min_dec = INT_MAX, min_inc = INT_MAX;
- enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
- enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
-
- /* find a matching sample format in the encoder */
- for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
- if (*p == enc->sample_fmt) {
- dec->request_sample_fmt = *p;
- return;
- } else {
- enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
- enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
- int fmt_diff = 32 * abs(dfmt - efmt);
- if (av_sample_fmt_is_planar(*p) !=
- av_sample_fmt_is_planar(enc->sample_fmt))
- fmt_diff++;
- if (dfmt == efmt) {
- min_inc = fmt_diff;
- inc_fmt = *p;
- } else if (dfmt > efmt) {
- if (fmt_diff < min_inc) {
- min_inc = fmt_diff;
- inc_fmt = *p;
- }
- } else {
- if (fmt_diff < min_dec) {
- min_dec = fmt_diff;
- dec_fmt = *p;
- }
- }
+ if (!of->header_written) {
+ AVPacket tmp_pkt;
+ /* the muxer is not initialized yet, buffer the packet */
+ if (!av_fifo_space(ost->muxing_queue)) {
+ int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
+ ost->max_muxing_queue_size);
+ if (new_size <= av_fifo_size(ost->muxing_queue)) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Too many packets buffered for output stream %d:%d.\n",
+ ost->file_index, ost->st->index);
+ exit_program(1);
}
+ ret = av_fifo_realloc2(ost->muxing_queue, new_size);
+ if (ret < 0)
+ exit_program(1);
}
-
- /* if none match, provide the one that matches quality closest */
- dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
+ av_packet_move_ref(&tmp_pkt, pkt);
+ av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
+ return;
}
-}
-
-static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
-{
- AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
- AVCodecContext *avctx = ost->enc_ctx;
- int ret;
/*
* Audio encoders may split the packets -- #frames in != #packets out.
* 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 (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed)) {
if (ost->frame_number >= ost->max_frames) {
- av_free_packet(pkt);
+ av_packet_unref(pkt);
return;
}
ost->frame_number++;
}
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR,
+ NULL);
+ ost->quality = sd ? *(int *)sd : -1;
- 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) {
- 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, "%s failed for stream %d, codec %s",
- bsfc->filter->name, pkt->stream_index,
- avctx->codec ? avctx->codec->name : "copy");
- print_error("", a);
- if (exit_on_error)
- exit_program(1);
+ if (ost->frame_rate.num) {
+ pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
+ ost->mux_timebase);
}
- *pkt = new_pkt;
-
- bsfc = bsfc->next;
}
if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
ost->packets_written++;
pkt->stream_index = ost->index;
+ av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
+
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
print_error("av_interleaved_write_frame()", ret);
}
}
+static void output_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
+{
+ int ret = 0;
+
+ /* apply the output bitstream filters, if any */
+ if (ost->nb_bitstream_filters) {
+ int idx;
+
+ ret = av_bsf_send_packet(ost->bsf_ctx[0], pkt);
+ if (ret < 0)
+ goto finish;
+
+ idx = 1;
+ while (idx) {
+ /* get a packet from the previous filter up the chain */
+ ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt);
+ if (ret == AVERROR(EAGAIN)) {
+ ret = 0;
+ idx--;
+ continue;
+ } else if (ret < 0)
+ goto finish;
+
+ /* send it to the next filter down the chain or to the muxer */
+ if (idx < ost->nb_bitstream_filters) {
+ ret = av_bsf_send_packet(ost->bsf_ctx[idx], pkt);
+ if (ret < 0)
+ goto finish;
+ idx++;
+ } else
+ write_packet(of, pkt, ost);
+ }
+ } else
+ write_packet(of, pkt, ost);
+
+finish:
+ if (ret < 0 && ret != AVERROR_EOF) {
+ av_log(NULL, AV_LOG_FATAL, "Error applying bitstream filters to an output "
+ "packet for stream #%d:%d.\n", ost->file_index, ost->index);
+ exit_program(1);
+ }
+}
+
static int check_recording_time(OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
return 1;
}
-static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+static void do_audio_out(OutputFile *of, OutputStream *ost,
AVFrame *frame)
{
AVCodecContext *enc = ost->enc_ctx;
AVPacket pkt;
- int got_packet = 0;
+ int ret;
av_init_packet(&pkt);
pkt.data = NULL;
ost->samples_encoded += frame->nb_samples;
ost->frames_encoded++;
- if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
- exit_program(1);
- }
+ ret = avcodec_send_frame(enc, frame);
+ if (ret < 0)
+ goto error;
+
+ while (1) {
+ ret = avcodec_receive_packet(enc, &pkt);
+ if (ret == AVERROR(EAGAIN))
+ break;
+ if (ret < 0)
+ goto error;
- if (got_packet) {
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- write_frame(s, &pkt, ost);
+ output_packet(of, &pkt, ost);
}
+
+ return;
+error:
+ av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
+ exit_program(1);
}
-static void do_subtitle_out(AVFormatContext *s,
+static void do_subtitle_out(OutputFile *of,
OutputStream *ost,
InputStream *ist,
AVSubtitle *sub,
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.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
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 */
else
pkt.pts += 90 * sub->end_display_time;
}
- write_frame(s, &pkt, ost);
+ output_packet(of, &pkt, ost);
}
}
-static void do_video_out(AVFormatContext *s,
+static void do_video_out(OutputFile *of,
OutputStream *ost,
AVFrame *in_picture,
int *frame_size)
format_video_sync = video_sync_method;
if (format_video_sync == VSYNC_AUTO)
- format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
- (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
+ format_video_sync = (of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
+ (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
if (format_video_sync != VSYNC_PASSTHROUGH &&
ost->frame_number &&
in_picture->pts != AV_NOPTS_VALUE &&
if (ost->frame_number >= ost->max_frames)
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;
- 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;
-
- write_frame(s, &pkt, ost);
- } else {
- int got_packet;
+ if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
+ ost->top_field_first >= 0)
+ in_picture->top_field_first = !!ost->top_field_first;
- if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
- ost->top_field_first >= 0)
- in_picture->top_field_first = !!ost->top_field_first;
+ in_picture->quality = enc->global_quality;
+ in_picture->pict_type = 0;
+ if (ost->forced_kf_index < ost->forced_kf_count &&
+ in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+ in_picture->pict_type = AV_PICTURE_TYPE_I;
+ ost->forced_kf_index++;
+ }
- in_picture->quality = enc->global_quality;
- in_picture->pict_type = 0;
- if (ost->forced_kf_index < ost->forced_kf_count &&
- in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
- in_picture->pict_type = AV_PICTURE_TYPE_I;
- ost->forced_kf_index++;
- }
+ ost->frames_encoded++;
- ost->frames_encoded++;
+ ret = avcodec_send_frame(enc, in_picture);
+ if (ret < 0)
+ goto error;
- ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
- exit_program(1);
- }
+ /*
+ * For video, 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 (got_packet) {
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- write_frame(s, &pkt, ost);
- *frame_size = pkt.size;
+ while (1) {
+ ret = avcodec_receive_packet(enc, &pkt);
+ if (ret == AVERROR(EAGAIN))
+ break;
+ if (ret < 0)
+ goto error;
- /* if two pass, output log */
- if (ost->logfile && enc->stats_out) {
- fprintf(ost->logfile, "%s", enc->stats_out);
- }
+ output_packet(of, &pkt, ost);
+ *frame_size = pkt.size;
+
+ /* if two pass, output log */
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
}
+
+ ost->sync_opts++;
}
- 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++;
+
+ return;
+error:
+ av_assert0(ret != AVERROR(EAGAIN) && ret != AVERROR_EOF);
+ av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ exit_program(1);
}
+#if FF_API_CODED_FRAME && FF_API_ERROR_FRAME
static double psnr(double d)
{
return -10.0 * log(d) / log(10.0);
}
+#endif
static void do_video_stats(OutputStream *ost, int frame_size)
{
enc = ost->enc_ctx;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
- 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, "frame= %5d q= %2.1f ", frame_number,
+ ost->quality / (float)FF_QP2LAMBDA);
+
+#if FF_API_CODED_FRAME && FF_API_ERROR_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (enc->flags & AV_CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
fprintf(vstats_file,"f_size= %6d ", frame_size);
/* compute pts value */
avg_bitrate = (double)(ost->data_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)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
}
}
+static int init_output_stream(OutputStream *ost, char *error, int error_len);
+
/*
* Read one frame for lavfi output for ost and encode it.
*/
}
filtered_frame = ost->filtered_frame;
+ if (!ost->initialized) {
+ char error[1024];
+ ret = init_output_stream(ost, error, sizeof(error));
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
+ ost->file_index, ost->index, error);
+ exit_program(1);
+ }
+ }
+
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
- !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
+ !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
ost->enc_ctx->frame_size);
else
if (!ost->frame_aspect_ratio)
ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
- do_video_out(of->ctx, ost, filtered_frame, &frame_size);
+ do_video_out(of, ost, filtered_frame, &frame_size);
if (vstats_filename && frame_size)
do_video_stats(ost, frame_size);
break;
case AVMEDIA_TYPE_AUDIO:
- do_audio_out(of->ctx, ost, filtered_frame);
+ do_audio_out(of, ost, filtered_frame);
break;
default:
// TODO support subtitle filters
for (i = 0; i < nb_output_streams; i++) {
int64_t pts = output_streams[i]->sync_opts;
- if (!output_streams[i]->filter || output_streams[i]->finished)
+ if (output_streams[i]->filter && !output_streams[i]->filter->graph->graph &&
+ !output_streams[i]->filter->graph->nb_inputs) {
+ ret = configure_filtergraph(output_streams[i]->filter->graph);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
+ return ret;
+ }
+ }
+
+ if (!output_streams[i]->filter || output_streams[i]->finished ||
+ !output_streams[i]->filter->graph->graph)
continue;
pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
float q = -1;
ost = output_streams[i];
enc = ost->enc_ctx;
- if (!ost->stream_copy && enc->coded_frame)
- q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
+ if (!ost->stream_copy)
+ q = ost->quality / (float) FF_QP2LAMBDA;
+
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
}
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) {
+
+#if FF_API_CODED_FRAME && FF_API_ERROR_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (enc->flags & AV_CODEC_FLAG_PSNR) {
int j;
double error, error_sum = 0;
double scale, scale_sum = 0;
}
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
vid = 1;
}
/* compute min output value */
- pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
+ pts = (double)ost->last_mux_dts * av_q2d(ost->mux_timebase);
if ((pts < ti1) && (pts > 0))
ti1 = pts;
}
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
AVCodecContext *enc = ost->enc_ctx;
- AVFormatContext *os = output_files[ost->file_index]->ctx;
+ OutputFile *of = output_files[ost->file_index];
int stop_encoding = 0;
if (!ost->encoding_needed)
if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
continue;
- if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
+
+ if (enc->codec_type != AVMEDIA_TYPE_VIDEO && enc->codec_type != AVMEDIA_TYPE_AUDIO)
continue;
+ avcodec_send_frame(enc, NULL);
+
for (;;) {
- int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
- const char *desc;
+ const char *desc = NULL;
switch (enc->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- encode = avcodec_encode_audio2;
desc = "Audio";
break;
case AVMEDIA_TYPE_VIDEO:
- encode = avcodec_encode_video2;
desc = "Video";
break;
default:
- stop_encoding = 1;
+ av_assert0(0);
}
- if (encode) {
+ if (1) {
AVPacket pkt;
- int got_packet;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
- ret = encode(enc, &pkt, NULL, &got_packet);
- if (ret < 0) {
+ ret = avcodec_receive_packet(enc, &pkt);
+ if (ret < 0 && ret != AVERROR_EOF) {
av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
exit_program(1);
}
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
- if (!got_packet) {
+ if (ret == AVERROR_EOF) {
stop_encoding = 1;
break;
}
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- write_frame(os, &pkt, ost);
+ output_packet(of, &pkt, ost);
}
if (stop_encoding)
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 ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
AVPacket opkt;
av_init_packet(&opkt);
ost->sync_opts++;
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;
+ opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
else
opkt.pts = AV_NOPTS_VALUE;
if (pkt->dts == AV_NOPTS_VALUE)
- opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
+ opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->mux_timebase);
else
- opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
+ opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
opkt.dts -= ost_tb_start_time;
- opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
+ opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
opkt.flags = pkt->flags;
// FIXME remove the following 2 lines they shall be replaced by the bitstream filters
&& ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
&& ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
) {
- if (av_parser_change(ost->parser, ost->st->codec,
+ if (av_parser_change(ost->parser, ost->parser_avctx,
&opkt.data, &opkt.size,
pkt->data, pkt->size,
pkt->flags & AV_PKT_FLAG_KEY)) {
opkt.size = pkt->size;
}
- write_frame(of->ctx, &opkt, ost);
+ output_packet(of, &opkt, ost);
+}
+
+static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
+{
+ FilterGraph *fg = ifilter->graph;
+ int need_reinit, ret, i;
+
+ /* determine if the parameters for this input changed */
+ need_reinit = ifilter->format != frame->format;
+ if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
+ (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
+ need_reinit = 1;
+
+ switch (ifilter->ist->st->codecpar->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ need_reinit |= ifilter->sample_rate != frame->sample_rate ||
+ ifilter->channel_layout != frame->channel_layout;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ need_reinit |= ifilter->width != frame->width ||
+ ifilter->height != frame->height;
+ break;
+ }
+
+ if (need_reinit) {
+ ret = ifilter_parameters_from_frame(ifilter, frame);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* (re)init the graph if possible, otherwise buffer the frame and return */
+ if (need_reinit || !fg->graph) {
+ for (i = 0; i < fg->nb_inputs; i++) {
+ if (fg->inputs[i]->format < 0) {
+ AVFrame *tmp = av_frame_clone(frame);
+ if (!tmp)
+ return AVERROR(ENOMEM);
+ av_frame_unref(frame);
+
+ if (!av_fifo_space(ifilter->frame_queue)) {
+ ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
+ if (ret < 0)
+ return ret;
+ }
+ av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
+ return 0;
+ }
+ }
+
+ ret = poll_filters();
+ if (ret < 0 && ret != AVERROR_EOF) {
+ char errbuf[128];
+ av_strerror(ret, errbuf, sizeof(errbuf));
+
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
+ return ret;
+ }
+
+ ret = configure_filtergraph(fg);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
+ return ret;
+ }
+ }
+
+ ret = av_buffersrc_add_frame(ifilter->filter, frame);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ifilter_send_eof(InputFilter *ifilter)
+{
+ int i, j, ret;
+
+ ifilter->eof = 1;
+
+ if (ifilter->filter) {
+ ret = av_buffersrc_add_frame(ifilter->filter, NULL);
+ if (ret < 0)
+ return ret;
+ } else {
+ // the filtergraph was never configured
+ FilterGraph *fg = ifilter->graph;
+ for (i = 0; i < fg->nb_inputs; i++)
+ if (!fg->inputs[i]->eof)
+ break;
+ if (i == fg->nb_inputs) {
+ // All the input streams have finished without the filtergraph
+ // ever being configured.
+ // Mark the output streams as finished.
+ for (j = 0; j < fg->nb_outputs; j++)
+ finish_output_stream(fg->outputs[j]->ost);
+ }
+ }
+
+ return 0;
+}
+
+// This does not quite work like avcodec_decode_audio4/avcodec_decode_video2.
+// There is the following difference: if you got a frame, you must call
+// it again with pkt=NULL. pkt==NULL is treated differently from pkt.size==0
+// (pkt==NULL means get more output, pkt.size==0 is a flush/drain packet)
+static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
+{
+ int ret;
+
+ *got_frame = 0;
+
+ if (pkt) {
+ ret = avcodec_send_packet(avctx, pkt);
+ // In particular, we don't expect AVERROR(EAGAIN), because we read all
+ // decoded frames with avcodec_receive_frame() until done.
+ if (ret < 0)
+ return ret == AVERROR_EOF ? 0 : ret;
+ }
+
+ ret = avcodec_receive_frame(avctx, frame);
+ if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
+ return ret;
+ if (ret >= 0)
+ *got_frame = 1;
+
+ return 0;
}
int guess_input_channel_layout(InputStream *ist)
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 "
+ 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;
{
AVFrame *decoded_frame, *f;
AVCodecContext *avctx = ist->dec_ctx;
- int i, ret, err = 0, resample_changed;
+ int i, ret, err = 0;
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
return AVERROR(ENOMEM);
decoded_frame = ist->decoded_frame;
- ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
- if (!*got_output || ret < 0) {
- if (!pkt->size) {
- for (i = 0; i < ist->nb_filters; i++)
- av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
- }
+ ret = decode(avctx, decoded_frame, got_output, pkt);
+ if (!*got_output || ret < 0)
return ret;
- }
ist->samples_decoded += decoded_frame->nb_samples;
ist->frames_decoded++;
the decoder could be delaying output by a packet or more. */
if (decoded_frame->pts != AV_NOPTS_VALUE)
ist->next_dts = decoded_frame->pts;
- else if (pkt->pts != AV_NOPTS_VALUE)
+ else if (pkt && pkt->pts != AV_NOPTS_VALUE) {
decoded_frame->pts = pkt->pts;
- pkt->pts = AV_NOPTS_VALUE;
-
- 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) &&
- configure_filtergraph(filtergraphs[i]) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
- exit_program(1);
- }
}
if (decoded_frame->pts != AV_NOPTS_VALUE)
decoded_frame->pts = av_rescale_q(decoded_frame->pts,
ist->st->time_base,
(AVRational){1, avctx->sample_rate});
+ ist->nb_samples = decoded_frame->nb_samples;
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
} else
f = decoded_frame;
- err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+ err = ifilter_send_frame(ist->filters[i], f);
if (err < 0)
break;
}
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVFrame *decoded_frame, *f;
- int i, ret = 0, err = 0, resample_changed;
+ int i, ret = 0, err = 0;
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
return AVERROR(ENOMEM);
decoded_frame = ist->decoded_frame;
- ret = avcodec_decode_video2(ist->dec_ctx,
- decoded_frame, got_output, pkt);
- if (!*got_output || ret < 0) {
- if (!pkt->size) {
- for (i = 0; i < ist->nb_filters; i++)
- av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
- }
+ ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt);
+ if (!*got_output || ret < 0)
return ret;
- }
ist->frames_decoded++;
}
ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
- decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
+ decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pts,
decoded_frame->pkt_dts);
- pkt->size = 0;
+ if (ist->framerate.num)
+ decoded_frame->pts = ist->cfr_next_pts++;
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));
-
- ret = poll_filters();
- if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) {
- char errbuf[128];
- av_strerror(ret, errbuf, sizeof(errbuf));
-
- av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
- }
-
- 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) &&
- configure_filtergraph(filtergraphs[i]) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
- exit_program(1);
- }
- }
-
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
} else
f = decoded_frame;
- err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+ err = ifilter_send_frame(ist->filters[i], f);
if (err < 0)
break;
}
if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
continue;
- do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
+ do_subtitle_out(output_files[ost->file_index], ost, ist, &subtitle, pkt->pts);
}
avsubtitle_free(&subtitle);
return ret;
}
+static int send_filter_eof(InputStream *ist)
+{
+ int i, ret;
+ for (i = 0; i < ist->nb_filters; i++) {
+ ret = ifilter_send_eof(ist->filters[i]);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
/* pkt = NULL means EOF (needed to flush decoder buffers) */
-static int process_input_packet(InputStream *ist, const AVPacket *pkt)
+static void process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
{
int i;
- int got_output;
+ int repeating = 0;
AVPacket avpkt;
if (ist->next_dts == AV_NOPTS_VALUE)
av_init_packet(&avpkt);
avpkt.data = NULL;
avpkt.size = 0;
- goto handle_eof;
} else {
avpkt = *pkt;
}
- if (pkt->dts != AV_NOPTS_VALUE)
+ if (pkt && pkt->dts != AV_NOPTS_VALUE)
ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
// 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))) {
+ while (ist->decoding_needed && (!pkt || avpkt.size > 0)) {
int ret = 0;
- handle_eof:
-
- ist->last_dts = ist->next_dts;
+ int got_output = 0;
- if (avpkt.size && avpkt.size != pkt->size &&
- !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
- 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;
- }
+ if (!repeating)
+ ist->last_dts = ist->next_dts;
switch (ist->dec_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- ret = decode_audio (ist, &avpkt, &got_output);
+ ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output);
break;
case AVMEDIA_TYPE_VIDEO:
- ret = decode_video (ist, &avpkt, &got_output);
- if (avpkt.duration)
- ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
+ ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output);
+ if (repeating && !got_output)
+ ;
+ else if (pkt && pkt->duration)
+ ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
else if (ist->st->avg_frame_rate.num)
ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
AV_TIME_BASE_Q);
}
break;
case AVMEDIA_TYPE_SUBTITLE:
+ if (repeating)
+ break;
ret = transcode_subtitles(ist, &avpkt, &got_output);
break;
default:
- return -1;
+ return;
}
- if (ret < 0)
- return ret;
- // touch data and size only if not EOF
- if (pkt) {
- avpkt.data += ret;
- avpkt.size -= ret;
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
+ ist->file_index, ist->st->index);
+ if (exit_on_error)
+ exit_program(1);
+ break;
}
- if (!got_output) {
- continue;
+
+ if (!got_output)
+ break;
+
+ repeating = 1;
+ }
+
+ /* after flushing, send an EOF on all the filter inputs attached to the stream */
+ /* except when looping we need to flush but not to send an EOF */
+ if (!pkt && ist->decoding_needed && !no_eof) {
+ int ret = send_filter_eof(ist);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
+ exit_program(1);
}
}
do_streamcopy(ist, ost, pkt);
}
- return 0;
+ return;
}
static void print_sdp(void)
{
char sdp[16384];
int i;
- AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
+ AVFormatContext **avc;
+
+ for (i = 0; i < nb_output_files; i++) {
+ if (!output_files[i]->header_written)
+ return;
+ }
+ avc = av_malloc(sizeof(*avc) * nb_output_files);
if (!avc)
exit_program(1);
for (i = 0; i < nb_output_files; i++)
}
continue;
}
+
+ if (ist->hw_frames_ctx) {
+ s->hw_frames_ctx = av_buffer_ref(ist->hw_frames_ctx);
+ if (!s->hw_frames_ctx)
+ return AV_PIX_FMT_NONE;
+ }
+
ist->active_hwaccel_id = hwaccel->id;
ist->hwaccel_pix_fmt = *p;
break;
static int init_input_stream(int ist_index, char *error, int error_len)
{
- int i, ret;
+ int ret;
InputStream *ist = input_streams[ist_index];
+
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec) {
return AVERROR(EINVAL);
}
- /* update requested sample format for the decoder based on the
- corresponding encoder sample format */
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
- if (ost->source_index == ist_index) {
- update_sample_fmt(ist->dec_ctx, codec, ost->enc_ctx);
- break;
- }
- }
-
ist->dec_ctx->opaque = ist;
ist->dec_ctx->get_format = get_format;
ist->dec_ctx->get_buffer2 = get_buffer;
return NULL;
}
-static void parse_forced_key_frames(char *kf, OutputStream *ost,
- AVCodecContext *avctx)
+/* open the muxer when all the streams are initialized */
+static int check_init_output_file(OutputFile *of, int file_index)
{
- char *p;
- int n = 1, i;
- int64_t t;
+ int ret, i;
- for (p = kf; *p; p++)
- if (*p == ',')
- n++;
- ost->forced_kf_count = n;
- ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
- if (!ost->forced_kf_pts) {
- av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
- exit_program(1);
+ for (i = 0; i < of->ctx->nb_streams; i++) {
+ OutputStream *ost = output_streams[of->ost_index + i];
+ if (!ost->initialized)
+ return 0;
}
- p = kf;
- for (i = 0; i < n; i++) {
- char *next = strchr(p, ',');
+ of->ctx->interrupt_callback = int_cb;
- if (next)
- *next++ = 0;
+ ret = avformat_write_header(of->ctx, &of->opts);
+ if (ret < 0) {
+ char errbuf[128];
- t = parse_time_or_die("force_key_frames", p, 1);
- ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+ av_strerror(ret, errbuf, sizeof(errbuf));
- p = next;
+ av_log(NULL, AV_LOG_ERROR,
+ "Could not write header for output file #%d "
+ "(incorrect codec parameters ?): %s",
+ file_index, errbuf);
+ return ret;
}
-}
+ assert_avoptions(of->opts);
+ of->header_written = 1;
-static void set_encoder_id(OutputFile *of, OutputStream *ost)
-{
- AVDictionaryEntry *e;
+ av_dump_format(of->ctx, file_index, of->ctx->filename, 1);
- uint8_t *encoder_string;
+ if (want_sdp)
+ print_sdp();
+
+ /* flush the muxing queues */
+ for (i = 0; i < of->ctx->nb_streams; i++) {
+ OutputStream *ost = output_streams[of->ost_index + i];
+
+ while (av_fifo_size(ost->muxing_queue)) {
+ AVPacket pkt;
+ av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
+ write_packet(of, &pkt, ost);
+ }
+ }
+
+ return 0;
+}
+
+static int init_output_bsfs(OutputStream *ost)
+{
+ AVBSFContext *ctx;
+ int i, ret;
+
+ if (!ost->nb_bitstream_filters)
+ return 0;
+
+ ost->bsf_ctx = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_ctx));
+ if (!ost->bsf_ctx)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ost->nb_bitstream_filters; i++) {
+ ret = av_bsf_alloc(ost->bitstream_filters[i], &ctx);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
+ return ret;
+ }
+ ost->bsf_ctx[i] = ctx;
+
+ ret = avcodec_parameters_copy(ctx->par_in,
+ i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
+ if (ret < 0)
+ return ret;
+
+ ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
+
+ ret = av_bsf_init(ctx);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
+ ost->bitstream_filters[i]->name);
+ return ret;
+ }
+ }
+
+ ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
+ ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
+ if (ret < 0)
+ return ret;
+
+ ost->st->time_base = ctx->time_base_out;
+
+ return 0;
+}
+
+static int init_output_stream_streamcopy(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+ InputStream *ist = get_input_stream(ost);
+ AVCodecParameters *par_dst = ost->st->codecpar;
+ AVCodecParameters *par_src = ist->st->codecpar;
+ AVRational sar;
+ uint32_t codec_tag = par_dst->codec_tag;
+ int i, ret;
+
+ if (!codec_tag) {
+ if (!of->ctx->oformat->codec_tag ||
+ av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
+ av_codec_get_tag(of->ctx->oformat->codec_tag, par_src->codec_id) <= 0)
+ codec_tag = par_src->codec_tag;
+ }
+
+ ret = avcodec_parameters_copy(par_dst, par_src);
+ if (ret < 0)
+ return ret;
+
+ par_dst->codec_tag = codec_tag;
+
+ ost->st->disposition = ist->st->disposition;
+
+ ost->st->time_base = ist->st->time_base;
+
+ if (ist->st->nb_side_data) {
+ ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
+ sizeof(*ist->st->side_data));
+ if (!ost->st->side_data)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ist->st->nb_side_data; i++) {
+ const AVPacketSideData *sd_src = &ist->st->side_data[i];
+ AVPacketSideData *sd_dst = &ost->st->side_data[i];
+
+ sd_dst->data = av_malloc(sd_src->size);
+ if (!sd_dst->data)
+ return AVERROR(ENOMEM);
+ memcpy(sd_dst->data, sd_src->data, sd_src->size);
+ sd_dst->size = sd_src->size;
+ sd_dst->type = sd_src->type;
+ ost->st->nb_side_data++;
+ }
+ }
+
+ ost->parser = av_parser_init(par_dst->codec_id);
+ ost->parser_avctx = avcodec_alloc_context3(NULL);
+ if (!ost->parser_avctx)
+ return AVERROR(ENOMEM);
+
+ if (par_dst->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (ost->frame_aspect_ratio)
+ sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255);
+ else if (ist->st->sample_aspect_ratio.num)
+ sar = ist->st->sample_aspect_ratio;
+ else
+ sar = par_src->sample_aspect_ratio;
+ ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
+ }
+
+ return 0;
+}
+
+static void set_encoder_id(OutputFile *of, OutputStream *ost)
+{
+ AVDictionaryEntry *e;
+
+ uint8_t *encoder_string;
int encoder_string_len;
int format_flags = 0;
AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
}
-static int transcode_init(void)
+static void parse_forced_key_frames(char *kf, OutputStream *ost,
+ AVCodecContext *avctx)
{
- int ret = 0, i, j, k;
- AVFormatContext *oc;
- OutputStream *ost;
- InputStream *ist;
- char error[1024];
- int want_sdp = 1;
-
- /* 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_relative();
- }
+ char *p;
+ int n = 1, i;
+ int64_t t;
- /* 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);
- }
+ for (p = kf; *p; p++)
+ if (*p == ',')
+ n++;
+ ost->forced_kf_count = n;
+ ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
+ if (!ost->forced_kf_pts) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
+ exit_program(1);
}
- /* 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 *enc_ctx;
- AVCodecContext *dec_ctx = NULL;
- ost = output_streams[i];
- oc = output_files[ost->file_index]->ctx;
- ist = get_input_stream(ost);
-
- if (ost->attachment_filename)
- continue;
+ p = kf;
+ for (i = 0; i < n; i++) {
+ char *next = strchr(p, ',');
- enc_ctx = ost->enc_ctx;
+ if (next)
+ *next++ = 0;
- if (ist) {
- dec_ctx = ist->dec_ctx;
+ t = parse_time_or_die("force_key_frames", p, 1);
+ ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
- ost->st->disposition = ist->st->disposition;
- enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
- enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
- }
+ p = next;
+ }
+}
- if (ost->stream_copy) {
- AVRational sar;
- uint64_t extra_size;
+static int init_output_stream_encode(OutputStream *ost)
+{
+ InputStream *ist = get_input_stream(ost);
+ AVCodecContext *enc_ctx = ost->enc_ctx;
+ AVCodecContext *dec_ctx = NULL;
- av_assert0(ist && !ost->filter);
+ set_encoder_id(output_files[ost->file_index], ost);
- extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+ if (ist) {
+ ost->st->disposition = ist->st->disposition;
- if (extra_size > INT_MAX) {
- return AVERROR(EINVAL);
- }
+ dec_ctx = ist->dec_ctx;
- /* if stream_copy is selected, no need to decode or encode */
- enc_ctx->codec_id = dec_ctx->codec_id;
- enc_ctx->codec_type = dec_ctx->codec_type;
+ enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
+ enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
+ }
- if (!enc_ctx->codec_tag) {
- if (!oc->oformat->codec_tag ||
- av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
- av_codec_get_tag(oc->oformat->codec_tag, dec_ctx->codec_id) <= 0)
- enc_ctx->codec_tag = dec_ctx->codec_tag;
- }
+ switch (enc_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
+ enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
+ enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
- enc_ctx->bit_rate = dec_ctx->bit_rate;
- enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
- enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
- enc_ctx->field_order = dec_ctx->field_order;
- enc_ctx->extradata = av_mallocz(extra_size);
- if (!enc_ctx->extradata) {
- return AVERROR(ENOMEM);
- }
- memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
- enc_ctx->extradata_size = dec_ctx->extradata_size;
- if (!copy_tb) {
- enc_ctx->time_base = dec_ctx->time_base;
- enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
- av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
- enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
- } else
- enc_ctx->time_base = ist->st->time_base;
+ enc_ctx->width = ost->filter->filter->inputs[0]->w;
+ enc_ctx->height = ost->filter->filter->inputs[0]->h;
+ enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+ ost->frame_aspect_ratio ? // overridden by the -aspect cli option
+ av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
+ ost->filter->filter->inputs[0]->sample_aspect_ratio;
+ enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
- if (ist->st->nb_side_data) {
- ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
- sizeof(*ist->st->side_data));
- if (!ost->st->side_data)
- return AVERROR(ENOMEM);
+ ost->st->avg_frame_rate = ost->frame_rate;
- for (j = 0; j < ist->st->nb_side_data; j++) {
- const AVPacketSideData *sd_src = &ist->st->side_data[j];
- AVPacketSideData *sd_dst = &ost->st->side_data[j];
-
- sd_dst->data = av_malloc(sd_src->size);
- if (!sd_dst->data)
- return AVERROR(ENOMEM);
- memcpy(sd_dst->data, sd_src->data, sd_src->size);
- sd_dst->size = sd_src->size;
- sd_dst->type = sd_src->type;
- ost->st->nb_side_data++;
- }
- }
+ if (dec_ctx &&
+ (enc_ctx->width != dec_ctx->width ||
+ enc_ctx->height != dec_ctx->height ||
+ enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
+ enc_ctx->bits_per_raw_sample = 0;
+ }
- ost->parser = av_parser_init(enc_ctx->codec_id);
+ if (ost->forced_keyframes)
+ parse_forced_key_frames(ost->forced_keyframes, ost,
+ ost->enc_ctx);
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ enc_ctx->time_base = (AVRational){1, 1000};
+ break;
+ default:
+ abort();
+ break;
+ }
- switch (enc_ctx->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);
- }
- enc_ctx->channel_layout = dec_ctx->channel_layout;
- enc_ctx->sample_rate = dec_ctx->sample_rate;
- enc_ctx->channels = dec_ctx->channels;
- enc_ctx->frame_size = dec_ctx->frame_size;
- enc_ctx->audio_service_type = dec_ctx->audio_service_type;
- enc_ctx->block_align = dec_ctx->block_align;
- break;
- case AVMEDIA_TYPE_VIDEO:
- enc_ctx->pix_fmt = dec_ctx->pix_fmt;
- enc_ctx->width = dec_ctx->width;
- enc_ctx->height = dec_ctx->height;
- enc_ctx->has_b_frames = dec_ctx->has_b_frames;
- if (ost->frame_aspect_ratio)
- sar = av_d2q(ost->frame_aspect_ratio * enc_ctx->height / enc_ctx->width, 255);
- else if (ist->st->sample_aspect_ratio.num)
- sar = ist->st->sample_aspect_ratio;
- else
- sar = dec_ctx->sample_aspect_ratio;
- ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- enc_ctx->width = dec_ctx->width;
- enc_ctx->height = dec_ctx->height;
- break;
- case AVMEDIA_TYPE_DATA:
- case AVMEDIA_TYPE_ATTACHMENT:
- break;
- default:
- abort();
- }
- } else {
- if (!ost->enc) {
- /* should only happen when a default codec is not present. */
- snprintf(error, sizeof(error), "Automatic encoder selection "
- "failed for output stream #%d:%d. Default encoder for "
- "format %s is probably disabled. Please choose an "
- "encoder manually.\n", ost->file_index, ost->index,
- oc->oformat->name);
- ret = AVERROR(EINVAL);
- goto dump_format;
- }
+ return 0;
+}
- if (ist)
- ist->decoding_needed = 1;
- ost->encoding_needed = 1;
-
- set_encoder_id(output_files[ost->file_index], ost);
-
- /*
- * We want CFR output if and only if one of those is true:
- * 1) user specified output framerate with -r
- * 2) user specified -vsync cfr
- * 3) output format is CFR and the user didn't force vsync to
- * something else than CFR
- *
- * in such a case, set ost->frame_rate
- */
- if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
- !ost->frame_rate.num && ist &&
- (video_sync_method == VSYNC_CFR ||
- (video_sync_method == VSYNC_AUTO &&
- !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
- if (ist->framerate.num)
- ost->frame_rate = ist->framerate;
- else if (ist->st->avg_frame_rate.num)
- ost->frame_rate = ist->st->avg_frame_rate;
- else {
- av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
- "for the output stream #%d:%d, but no information "
- "about the input framerate is available. Falling "
- "back to a default value of 25fps. Use the -r option "
- "if you want a different framerate.\n",
- ost->file_index, ost->index);
- ost->frame_rate = (AVRational){ 25, 1 };
- }
+static int init_output_stream(OutputStream *ost, char *error, int error_len)
+{
+ int ret = 0;
- 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];
- }
- }
+ if (ost->encoding_needed) {
+ AVCodec *codec = ost->enc;
+ AVCodecContext *dec = NULL;
+ InputStream *ist;
- if (!ost->filter &&
- (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
- enc_ctx->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);
- }
- }
+ ret = init_output_stream_encode(ost);
+ if (ret < 0)
+ return ret;
- switch (enc_ctx->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
- enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
- enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
- enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
- enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
- break;
- case AVMEDIA_TYPE_VIDEO:
- enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
-
- enc_ctx->width = ost->filter->filter->inputs[0]->w;
- enc_ctx->height = ost->filter->filter->inputs[0]->h;
- enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
- ost->frame_aspect_ratio ? // overridden by the -aspect cli option
- av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
- ost->filter->filter->inputs[0]->sample_aspect_ratio;
- enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
-
- ost->st->avg_frame_rate = ost->frame_rate;
-
- if (dec_ctx &&
- (enc_ctx->width != dec_ctx->width ||
- enc_ctx->height != dec_ctx->height ||
- enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
- enc_ctx->bits_per_raw_sample = 0;
- }
+ if ((ist = get_input_stream(ost)))
+ dec = ist->dec_ctx;
+ if (dec && dec->subtitle_header) {
+ ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
+ if (!ost->enc_ctx->subtitle_header)
+ return AVERROR(ENOMEM);
+ memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+ ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
+ }
+ if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
+ av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
- if (ost->forced_keyframes)
- parse_forced_key_frames(ost->forced_keyframes, ost,
- ost->enc_ctx);
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- enc_ctx->time_base = (AVRational){1, 1000};
- break;
- default:
- abort();
- break;
- }
- /* two pass mode */
- if ((enc_ctx->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->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
- } else {
- if (enc_ctx->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;
- } else {
- 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);
- }
- enc_ctx->stats_in = logbuffer;
- }
- }
- }
+ if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
+ ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
+ if (!ost->enc_ctx->hw_frames_ctx)
+ return AVERROR(ENOMEM);
}
- }
- /* 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->dec_ctx;
- if (dec && dec->subtitle_header) {
- ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
- if (!ost->enc_ctx->subtitle_header) {
- ret = AVERROR(ENOMEM);
- goto dump_format;
- }
- memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
- ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
- }
- if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
- av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
- av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
-
- if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_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;
- }
- assert_avoptions(ost->encoder_opts);
- if (ost->enc_ctx->bit_rate && ost->enc_ctx->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");
- } else {
- ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
- if (ret < 0)
- return ret;
+ if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 1);
+ snprintf(error, error_len,
+ "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);
+ return ret;
}
+ assert_avoptions(ost->encoder_opts);
+ if (ost->enc_ctx->bit_rate && ost->enc_ctx->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");
- ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
+ ret = avcodec_parameters_from_context(ost->st->codecpar, ost->enc_ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL,
"Error initializing the output stream codec context.\n");
exit_program(1);
}
+ if (ost->enc_ctx->nb_coded_side_data) {
+ int i;
+
+ ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
+ sizeof(*ost->st->side_data));
+ if (!ost->st->side_data)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
+ const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
+ AVPacketSideData *sd_dst = &ost->st->side_data[i];
+
+ sd_dst->data = av_malloc(sd_src->size);
+ if (!sd_dst->data)
+ return AVERROR(ENOMEM);
+ memcpy(sd_dst->data, sd_src->data, sd_src->size);
+ sd_dst->size = sd_src->size;
+ sd_dst->type = sd_src->type;
+ ost->st->nb_side_data++;
+ }
+ }
+
ost->st->time_base = ost->enc_ctx->time_base;
+ } else if (ost->stream_copy) {
+ ret = init_output_stream_streamcopy(ost);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * FIXME: will the codec context used by the parser during streamcopy
+ * This should go away with the new parser API.
+ */
+ ret = avcodec_parameters_to_context(ost->parser_avctx, ost->st->codecpar);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* initialize bitstream filters for the output stream
+ * needs to be done here, because the codec id for streamcopy is not
+ * known until now */
+ ret = init_output_bsfs(ost);
+ if (ret < 0)
+ return ret;
+
+ ost->mux_timebase = ost->st->time_base;
+
+ ost->initialized = 1;
+
+ ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
+ if (ret < 0)
+ return ret;
+
+ return ret;
+}
+
+static int transcode_init(void)
+{
+ int ret = 0, i, j, k;
+ OutputStream *ost;
+ InputStream *ist;
+ char error[1024];
+
+ /* 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_relative();
}
/* init input streams */
if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
goto dump_format;
+ /* open each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ // skip streams fed from filtergraphs until we have a frame for them
+ if (output_streams[i]->filter)
+ continue;
+
+ ret = init_output_stream(output_streams[i], error, sizeof(error));
+ if (ret < 0)
+ goto dump_format;
+ }
+
+
/* discard unused programs */
for (i = 0; i < nb_input_files; i++) {
InputFile *ifile = input_files[i];
}
}
- /* 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) {
+ if (!filtergraph_is_simple(ist->filters[j]->graph)) {
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);
continue;
}
- if (ost->filter && ost->filter->graph->graph_desc) {
+ if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
/* output from a complex graph */
av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
if (nb_filtergraphs > 1)
const char *in_codec_name = "?";
const char *encoder_name = "?";
const char *out_codec_name = "?";
+ const AVCodecDescriptor *desc;
if (in_codec) {
decoder_name = in_codec->name;
- in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
+ desc = avcodec_descriptor_get(in_codec->id);
+ if (desc)
+ in_codec_name = desc->name;
if (!strcmp(decoder_name, in_codec_name))
decoder_name = "native";
}
if (out_codec) {
encoder_name = out_codec->name;
- out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
+ desc = avcodec_descriptor_get(out_codec->id);
+ if (desc)
+ out_codec_name = desc->name;
if (!strcmp(encoder_name, out_codec_name))
encoder_name = "native";
}
return ret;
}
- if (want_sdp) {
- print_sdp();
- }
-
return 0;
}
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);
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);
+ av_packet_unref(&pkt);
}
pthread_cond_signal(&f->fifo_cond);
pthread_mutex_unlock(&f->fifo_lock);
while (av_fifo_size(f->fifo)) {
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
}
av_fifo_free(f->fifo);
}
input_files[i]->eagain = 0;
}
+// set duration to max(tmp, duration) in a proper time base and return duration's time_base
+static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
+ AVRational time_base)
+{
+ int ret;
+
+ if (!*duration) {
+ *duration = tmp;
+ return tmp_time_base;
+ }
+
+ ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
+ if (ret < 0) {
+ *duration = tmp;
+ return tmp_time_base;
+ }
+
+ return time_base;
+}
+
+static int seek_to_start(InputFile *ifile, AVFormatContext *is)
+{
+ InputStream *ist;
+ AVCodecContext *avctx;
+ int i, ret, has_audio = 0;
+ int64_t duration = 0;
+
+ ret = av_seek_frame(is, -1, is->start_time, 0);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ avctx = ist->dec_ctx;
+
+ // flush decoders
+ if (ist->decoding_needed) {
+ process_input_packet(ist, NULL, 1);
+ avcodec_flush_buffers(avctx);
+ }
+
+ /* duration is the length of the last frame in a stream
+ * when audio stream is present we don't care about
+ * last video frame length because it's not defined exactly */
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
+ has_audio = 1;
+ }
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ avctx = ist->dec_ctx;
+
+ if (has_audio) {
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
+ AVRational sample_rate = {1, avctx->sample_rate};
+
+ duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
+ } else
+ continue;
+ } else {
+ if (ist->framerate.num) {
+ duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
+ } else if (ist->st->avg_frame_rate.num) {
+ duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
+ } else duration = 1;
+ }
+ if (!ifile->duration)
+ ifile->time_base = ist->st->time_base;
+ /* the total duration of the stream, max_pts - min_pts is
+ * the duration of the stream without the last frame */
+ duration += ist->max_pts - ist->min_pts;
+ ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
+ ifile->time_base);
+ }
+
+ if (ifile->loop > 0)
+ ifile->loop--;
+
+ return ret;
+}
+
/*
* Read one packet from an input file and send it for
* - decoding -> lavfi (audio/video)
InputStream *ist;
AVPacket pkt;
int ret, i, j;
+ int64_t duration;
/* select the stream that we must read now */
ifile = select_input_file();
ifile->eagain = 1;
return ret;
}
+ if (ret < 0 && ifile->loop) {
+ if ((ret = seek_to_start(ifile, is)) < 0)
+ return ret;
+ ret = get_input_packet(ifile, &pkt);
+ }
if (ret < 0) {
if (ret != AVERROR_EOF) {
print_error(is->filename, ret);
for (i = 0; i < ifile->nb_streams; i++) {
ist = input_streams[ifile->ist_index + i];
if (ist->decoding_needed)
- process_input_packet(ist, NULL);
+ process_input_packet(ist, NULL, 0);
/* mark all outputs that don't go through lavfi as finished */
for (j = 0; j < nb_output_streams; j++) {
if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
continue;
+ if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
+ continue;
dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
if (!dst_data)
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
}
}
-
- ret = process_input_packet(ist, &pkt);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
- ist->file_index, ist->st->index);
- if (exit_on_error)
- exit_program(1);
+ duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE) {
+ pkt.pts += duration;
+ ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
+ ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
}
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts += duration;
+
+ process_input_packet(ist, &pkt, 0);
+
discard_packet:
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
return 0;
}
}
ret = poll_filters();
- if (ret < 0) {
- if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
- continue;
- } else {
- char errbuf[128];
- av_strerror(ret, errbuf, sizeof(errbuf));
+ if (ret < 0 && ret != AVERROR_EOF) {
+ char errbuf[128];
+ av_strerror(ret, errbuf, sizeof(errbuf));
- av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
- break;
- }
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
+ break;
}
/* dump report by using the output first video and audio streams */
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
- process_input_packet(ist, NULL);
+ process_input_packet(ist, NULL, 0);
}
}
poll_filters();
/* write the trailer if needed and close file */
for (i = 0; i < nb_output_files; i++) {
os = output_files[i]->ctx;
+ if (!output_files[i]->header_written) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Nothing was written into output file %d (%s), because "
+ "at least one of its streams received no packets.\n",
+ i, os->filename);
+ continue;
+ }
av_write_trailer(os);
}
}
}
+ av_buffer_unref(&hw_device_ctx);
+
/* finished ! */
ret = 0;
int main(int argc, char **argv)
{
- int ret;
+ int i, ret;
int64_t ti;
register_exit(avconv_cleanup);
exit_program(1);
}
+ for (i = 0; i < nb_output_files; i++) {
+ if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
+ want_sdp = 0;
+ }
+
ti = getutime();
if (transcode() < 0)
exit_program(1);