# include "libavfilter/buffersink.h"
#if HAVE_SYS_RESOURCE_H
+#include <sys/time.h>
#include <sys/types.h>
#include <sys/resource.h>
#elif HAVE_GETPROCESSTIMES
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
-void exit_program(int ret)
+static void exit_program(void)
{
int i, j;
bsfc = next;
}
output_streams[i]->bitstream_filters = NULL;
+ avcodec_free_frame(&output_streams[i]->filtered_frame);
av_freep(&output_streams[i]->forced_keyframes);
av_freep(&output_streams[i]->avfilter);
- av_freep(&output_streams[i]->filtered_frame);
+ av_freep(&output_streams[i]->logfile_prefix);
av_freep(&output_streams[i]);
}
for (i = 0; i < nb_input_files; i++) {
av_freep(&input_files[i]);
}
for (i = 0; i < nb_input_streams; i++) {
- av_freep(&input_streams[i]->decoded_frame);
+ avcodec_free_frame(&input_streams[i]->decoded_frame);
av_dict_free(&input_streams[i]->opts);
free_buffer_pool(&input_streams[i]->buffer_pool);
av_freep(&input_streams[i]->filters);
(int) received_sigterm);
exit (255);
}
-
- exit(ret);
}
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);
+ exit(1);
}
}
-static void assert_codec_experimental(AVCodecContext *c, int encoder)
+static void abort_codec_experimental(AVCodec *c, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
- if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
- c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
- av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
- "results.\nAdd '-strict experimental' if you want to use it.\n",
- codec_string, c->codec->name);
- codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
- if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
- av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
- codec_string, codec->name);
- exit_program(1);
- }
+ av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
+ "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))
+ av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
+ codec_string, codec->name);
+ exit(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.
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 = -1, min_inc = -1;
+ 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 if (*p > enc->sample_fmt) {
- min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
- } else
- min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
+ } 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 none match, provide the one that matches quality closest */
- dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
- enc->sample_fmt - min_dec;
+ dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
}
}
avctx->codec ? avctx->codec->name : "copy");
print_error("", a);
if (exit_on_error)
- exit_program(1);
+ exit(1);
}
*pkt = new_pkt;
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
print_error("av_interleaved_write_frame()", ret);
- exit_program(1);
+ exit(1);
}
}
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) {
- ost->is_past_recording_time = 1;
+ ost->finished = 1;
return 0;
}
return 1;
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
- exit_program(1);
+ exit(1);
}
if (got_packet) {
if (pts == AV_NOPTS_VALUE) {
av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
if (exit_on_error)
- exit_program(1);
+ exit(1);
return;
}
subtitle_out_max_size, sub);
if (subtitle_out_size < 0) {
av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
- exit_program(1);
+ exit(1);
}
av_init_packet(&pkt);
static void do_video_out(AVFormatContext *s,
OutputStream *ost,
AVFrame *in_picture,
- int *frame_size, float quality)
+ int *frame_size)
{
int ret, format_video_sync;
AVPacket pkt;
big_picture.top_field_first = !!ost->top_field_first;
}
- /* handles same_quant here. This is not correct because it may
- not be a global option */
- big_picture.quality = quality;
+ big_picture.quality = ost->st->codec->global_quality;
if (!enc->me_threshold)
big_picture.pict_type = 0;
if (ost->forced_kf_index < ost->forced_kf_count &&
ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
- exit_program(1);
+ exit(1);
}
if (got_packet) {
return -10.0 * log(d) / log(10.0);
}
-static void do_video_stats(AVFormatContext *os, OutputStream *ost,
- int frame_size)
+static void do_video_stats(OutputStream *ost, int frame_size)
{
AVCodecContext *enc;
int frame_number;
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
- exit_program(1);
+ exit(1);
}
}
}
}
-/**
+/*
* Read one frame for lavfi output for ost and encode it.
*/
static int poll_filter(OutputStream *ost)
if (!ost->frame_aspect_ratio)
ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
- do_video_out(of->ctx, ost, filtered_frame, &frame_size,
- same_quant ? ost->last_quality :
- ost->st->codec->global_quality);
+ do_video_out(of->ctx, ost, filtered_frame, &frame_size);
if (vstats_filename && frame_size)
- do_video_stats(of->ctx, ost, frame_size);
+ do_video_stats(ost, frame_size);
break;
case AVMEDIA_TYPE_AUDIO:
do_audio_out(of->ctx, ost, filtered_frame);
return 0;
}
-/**
+/*
* Read as many frames from possible from lavfi and encode them.
*
* Always read from the active stream with the lowest timestamp. If no frames
*/
static int poll_filters(void)
{
- int i, ret = 0;
+ int i, j, ret = 0;
while (ret >= 0 && !received_sigterm) {
OutputStream *ost = NULL;
for (i = 0; i < nb_output_streams; i++) {
int64_t pts = output_streams[i]->sync_opts;
- if (!output_streams[i]->filter ||
- output_streams[i]->is_past_recording_time)
+ if (!output_streams[i]->filter || output_streams[i]->finished)
continue;
pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
ret = poll_filter(ost);
if (ret == AVERROR_EOF) {
- ost->is_past_recording_time = 1;
+ OutputFile *of = output_files[ost->file_index];
+
+ ost->finished = 1;
- if (opt_shortest)
- return ret;
+ if (of->shortest) {
+ for (j = 0; j < of->ctx->nb_streams; j++)
+ output_streams[of->ost_index + j]->finished = 1;
+ }
ret = 0;
} else if (ret == AVERROR(EAGAIN))
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
+ if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
total_size = avio_tell(oc->pb);
+ if (total_size < 0) {
+ char errbuf[128];
+ av_strerror(total_size, errbuf, sizeof(errbuf));
+ av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
+ "avio_tell() failed: %s\n", errbuf);
+ total_size = 0;
+ }
buf[0] = '\0';
ti1 = 1e10;
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(log(qp_histogram[j] + 1) / log(2)));
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
}
if (enc->flags&CODEC_FLAG_PSNR) {
int j;
ret = encode(enc, &pkt, NULL, &got_packet);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
- exit_program(1);
+ exit(1);
}
*size += ret;
if (ost->logfile && enc->stats_out) {
if (of->recording_time != INT64_MAX &&
ist->last_dts >= of->recording_time + of->start_time) {
- ost->is_past_recording_time = 1;
+ ost->finished = 1;
return;
}
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
return AVERROR(ENOMEM);
- else
- avcodec_get_frame_defaults(ist->decoded_frame);
decoded_frame = ist->decoded_frame;
ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
- if (ret < 0) {
- return ret;
- }
-
- if (!*got_output) {
- /* no audio frame */
- if (!pkt->size)
+ if (!*got_output || ret < 0) {
+ if (!pkt->size) {
for (i = 0; i < ist->nb_filters; i++)
av_buffersrc_buffer(ist->filters[i]->filter, NULL);
+ }
return ret;
}
av_log(NULL, AV_LOG_FATAL,
"Audio volume adjustment on sample format %s is not supported.\n",
av_get_sample_fmt_name(ist->st->codec->sample_fmt));
- exit_program(1);
+ exit(1);
}
}
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);
+ exit(1);
}
decoded_frame->channel_layout = avctx->channel_layout;
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);
+ exit(1);
}
}
AVFrame *decoded_frame;
void *buffer_to_free = NULL;
int i, ret = 0, resample_changed;
- float quality;
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
return AVERROR(ENOMEM);
- else
- avcodec_get_frame_defaults(ist->decoded_frame);
decoded_frame = ist->decoded_frame;
ret = avcodec_decode_video2(ist->st->codec,
decoded_frame, got_output, pkt);
- if (ret < 0)
- return ret;
-
- quality = same_quant ? decoded_frame->quality : 0;
- if (!*got_output) {
- /* no picture yet */
- if (!pkt->size)
+ if (!*got_output || ret < 0) {
+ if (!pkt->size) {
for (i = 0; i < ist->nb_filters; i++)
av_buffersrc_buffer(ist->filters[i]->filter, NULL);
+ }
return ret;
}
+
decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
decoded_frame->pkt_dts);
pkt->size = 0;
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)))
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+
ist->resample_width = decoded_frame->width;
ist->resample_height = decoded_frame->height;
ist->resample_pix_fmt = decoded_frame->format;
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);
+ exit(1);
}
}
for (i = 0; i < ist->nb_filters; i++) {
- // XXX what an ugly hack
- if (ist->filters[i]->graph->nb_outputs == 1)
- ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
-
if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
FrameBuffer *buf = decoded_frame->opaque;
AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
if (!avc)
- exit_program(1);
+ exit(1);
for (i = 0; i < nb_output_files; i++)
avc[i] = output_files[i]->ctx;
static int init_input_stream(int ist_index, char *error, int error_len)
{
- int i;
+ int i, ret;
InputStream *ist = input_streams[ist_index];
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!av_dict_get(ist->opts, "threads", NULL, 0))
av_dict_set(&ist->opts, "threads", "auto", 0);
- if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
+ if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 0);
snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
ist->file_index, ist->st->index);
- return AVERROR(EINVAL);
+ return ret;
}
- assert_codec_experimental(ist->st->codec, 0);
assert_avoptions(ist->opts);
}
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);
+ exit(1);
}
p = kf;
{
int ret = 0, i, j, k;
AVFormatContext *oc;
- AVCodecContext *codec, *icodec;
+ AVCodecContext *codec;
OutputStream *ost;
InputStream *ist;
char error[1024];
/* 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);
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);
+ exit(1);
}
codec->channel_layout = icodec->channel_layout;
codec->sample_rate = icodec->sample_rate;
(video_sync_method == VSYNC_CFR ||
(video_sync_method == VSYNC_AUTO &&
!(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
- ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
+ ost->frame_rate = ist->framerate.num ? ist->framerate :
+ 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];
ost->filter->filter->inputs[0]->sample_aspect_ratio;
codec->pix_fmt = ost->filter->filter->inputs[0]->format;
- if (codec->width != icodec->width ||
- codec->height != icodec->height ||
- codec->pix_fmt != icodec->pix_fmt) {
+ if (icodec &&
+ (codec->width != icodec->width ||
+ codec->height != icodec->height ||
+ codec->pix_fmt != icodec->pix_fmt)) {
codec->bits_per_raw_sample = 0;
}
FILE *f;
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
- pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
+ 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);
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);
+ exit(1);
}
ost->logfile = f;
} else {
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);
+ exit(1);
}
codec->stats_in = logbuffer;
}
}
if (!av_dict_get(ost->opts, "threads", NULL, 0))
av_dict_set(&ost->opts, "threads", "auto", 0);
- if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 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);
- ret = AVERROR(EINVAL);
goto dump_format;
}
- assert_codec_experimental(ost->st->codec, 1);
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."
return 0;
}
-/**
- * @return 1 if there are still streams where more output is wanted,
- * 0 otherwise
- */
+/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
static int need_output(void)
{
int i;
OutputFile *of = output_files[ost->file_index];
AVFormatContext *os = output_files[ost->file_index]->ctx;
- if (ost->is_past_recording_time ||
+ 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++)
- output_streams[of->ost_index + j]->is_past_recording_time = 1;
+ output_streams[of->ost_index + j]->finished = 1;
continue;
}
return 0;
}
-static int select_input_file(uint8_t *no_packet)
+static InputFile *select_input_file(void)
{
+ InputFile *ifile = NULL;
int64_t ipts_min = INT64_MAX;
- int i, file_index = -1;
+ int i;
for (i = 0; i < nb_input_streams; i++) {
InputStream *ist = input_streams[i];
int64_t ipts = ist->last_dts;
- if (ist->discard || no_packet[ist->file_index])
+ if (ist->discard || input_files[ist->file_index]->eagain)
continue;
if (!input_files[ist->file_index]->eof_reached) {
if (ipts < ipts_min) {
ipts_min = ipts;
- file_index = ist->file_index;
+ ifile = input_files[ist->file_index];
}
}
}
- return file_index;
+ return ifile;
}
#if HAVE_PTHREADS
return av_read_frame(f->ctx, pkt);
}
+static int got_eagain(void)
+{
+ int i;
+ for (i = 0; i < nb_input_files; i++)
+ if (input_files[i]->eagain)
+ return 1;
+ return 0;
+}
+
+static void reset_eagain(void)
+{
+ int i;
+ for (i = 0; i < nb_input_files; i++)
+ input_files[i]->eagain = 0;
+}
+
+/*
+ * Read one packet from an input file and send it for
+ * - decoding -> lavfi (audio/video)
+ * - decoding -> encoding -> muxing (subtitles)
+ * - muxing (streamcopy)
+ *
+ * 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(void)
+{
+ InputFile *ifile;
+ AVFormatContext *is;
+ InputStream *ist;
+ AVPacket pkt;
+ int ret, i, j;
+
+ /* select the stream that we must read now */
+ ifile = select_input_file();
+ /* if none, if is finished */
+ if (!ifile) {
+ if (got_eagain()) {
+ reset_eagain();
+ av_usleep(10000);
+ return AVERROR(EAGAIN);
+ }
+ av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
+ return AVERROR_EOF;
+ }
+
+ 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(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))
+ ost->finished= 1;
+ }
+ }
+
+ 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)
+ goto discard_packet;
+
+ ist = input_streams[ifile->ist_index + pkt.stream_index];
+ if (ist->discard)
+ goto discard_packet;
+
+ 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 &&
+ (is->iformat->flags & AVFMT_TS_DISCONT)) {
+ 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 ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
+ 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);
+ }
+ }
+
+ ret = output_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(1);
+ }
+
+discard_packet:
+ av_free_packet(&pkt);
+
+ return 0;
+}
+
/*
* The following code is the main loop of the file converter
*/
static int transcode(void)
{
- int ret, i;
- AVFormatContext *is, *os;
+ int ret, i, need_input = 1;
+ AVFormatContext *os;
OutputStream *ost;
InputStream *ist;
- uint8_t *no_packet;
- int no_packet_count = 0;
int64_t timer_start;
- if (!(no_packet = av_mallocz(nb_input_files)))
- exit_program(1);
-
ret = transcode_init();
if (ret < 0)
goto fail;
goto fail;
#endif
- for (; received_sigterm == 0;) {
- int file_index, ist_index;
- AVPacket pkt;
-
+ while (!received_sigterm) {
/* 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;
}
- /* select the stream that we must read now */
- file_index = select_input_file(no_packet);
- /* if none, if is finished */
- if (file_index < 0) {
- if (no_packet_count) {
- no_packet_count = 0;
- memset(no_packet, 0, nb_input_files);
- av_usleep(10000);
- continue;
- }
- av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
- break;
+ /* read and process one input packet if needed */
+ if (need_input) {
+ ret = process_input();
+ if (ret == AVERROR_EOF)
+ need_input = 0;
}
- is = input_files[file_index]->ctx;
- ret = get_input_packet(input_files[file_index], &pkt);
-
- if (ret == AVERROR(EAGAIN)) {
- no_packet[file_index] = 1;
- no_packet_count++;
- continue;
- }
+ ret = poll_filters();
if (ret < 0) {
- if (ret != AVERROR_EOF) {
- print_error(is->filename, ret);
- if (exit_on_error)
- exit_program(1);
- }
- input_files[file_index]->eof_reached = 1;
-
- for (i = 0; i < input_files[file_index]->nb_streams; i++) {
- ist = input_streams[input_files[file_index]->ist_index + i];
- if (ist->decoding_needed)
- output_packet(ist, NULL);
- }
-
- if (opt_shortest)
- break;
- else
+ if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
continue;
- }
-
- no_packet_count = 0;
- memset(no_packet, 0, nb_input_files);
- 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 >= input_files[file_index]->nb_streams)
- goto discard_packet;
- ist_index = input_files[file_index]->ist_index + pkt.stream_index;
- ist = input_streams[ist_index];
- if (ist->discard)
- goto discard_packet;
-
- if (pkt.dts != AV_NOPTS_VALUE)
- pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
- if (pkt.pts != AV_NOPTS_VALUE)
- pkt.pts += av_rescale_q(input_files[ist->file_index]->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
- && (is->iformat->flags & AVFMT_TS_DISCONT)) {
- 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 ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
- input_files[ist->file_index]->ts_offset -= delta;
- av_log(NULL, AV_LOG_DEBUG,
- "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
- delta, input_files[ist->file_index]->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 (output_packet(ist, &pkt) < 0 || poll_filters() < 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);
- av_free_packet(&pkt);
- continue;
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+ break;
}
- discard_packet:
- av_free_packet(&pkt);
-
/* dump report by using the output first video and audio streams */
print_report(0, timer_start);
}
ret = 0;
fail:
- av_freep(&no_packet);
#if HAVE_PTHREADS
free_input_threads();
#endif
{
int idx = locate_option(argc, argv, options, "cpuflags");
if (idx && argv[idx + 1])
- opt_cpuflags("cpuflags", argv[idx + 1]);
+ opt_cpuflags(NULL, "cpuflags", argv[idx + 1]);
}
int main(int argc, char **argv)
OptionsContext o = { 0 };
int64_t ti;
+ atexit(exit_program);
+
reset_options(&o);
av_log_set_flags(AV_LOG_SKIP_REPEATED);
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);
+ exit(1);
}
/* file converter / grab */
if (nb_output_files <= 0) {
fprintf(stderr, "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);
+ exit(1);
}
ti = getutime();
if (transcode() < 0)
- exit_program(1);
+ exit(1);
ti = getutime() - ti;
if (do_benchmark) {
int maxrss = getmaxrss() / 1024;
printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
}
- exit_program(0);
+ exit(0);
return 0;
}
projects / ffmpeg / blobdiff