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Merge commit '811bd0784679dfcb4ed02043a37c92f9df10500e'

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* commit '811bd0784679dfcb4ed02043a37c92f9df10500e':
  avconv: make input -ss accurate when transcoding

Conflicts:
	Changelog
	doc/ffmpeg.texi
	ffmpeg.h
	ffmpeg_filter.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-08-06 10:57:04 +02:00
parent 3fa72de82f 811bd07846
commit 7cbef2ed7e
5 changed files with 67 additions and 20 deletions
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57
ffmpeg_filter.c
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@ -276,21 +276,22 @@ static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
}
static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pad_idx)
static int insert_trim(int64_t start_time, int64_t duration,
AVFilterContext **last_filter, int *pad_idx,
const char *filter_name)
{
OutputFile *of = output_files[ost->file_index];
AVFilterGraph *graph = (*last_filter)->graph;
AVFilterContext *ctx;
const AVFilter *trim;
const char *name = ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO ? "trim" : "atrim";
char filter_name[128];
enum AVMediaType type = avfilter_pad_get_type((*last_filter)->output_pads, *pad_idx);
const char *name = (type == AVMEDIA_TYPE_VIDEO) ? "trim" : "atrim";
int ret = 0;
if (of->recording_time == INT64_MAX && of->start_time == AV_NOPTS_VALUE)
if (duration == INT64_MAX && start_time == AV_NOPTS_VALUE)
return 0;
// Use with duration and without output starttime is buggy with trim filters
if (of->start_time == AV_NOPTS_VALUE)
if (start_time == AV_NOPTS_VALUE)
return 0;
trim = avfilter_get_by_name(name);
@ -300,18 +301,16 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa
return AVERROR_FILTER_NOT_FOUND;
}
snprintf(filter_name, sizeof(filter_name), "%s for output stream %d:%d",
name, ost->file_index, ost->index);
ctx = avfilter_graph_alloc_filter(graph, trim, filter_name);
if (!ctx)
return AVERROR(ENOMEM);
if (of->recording_time != INT64_MAX) {
ret = av_opt_set_double(ctx, "duration", (double)of->recording_time / 1e6,
if (duration != INT64_MAX) {
ret = av_opt_set_double(ctx, "duration", (double)duration / 1e6,
AV_OPT_SEARCH_CHILDREN);
}
if (ret >= 0 && of->start_time != AV_NOPTS_VALUE) {
ret = av_opt_set_double(ctx, "start", (double)of->start_time / 1e6,
if (ret >= 0 && start_time != AV_NOPTS_VALUE) {
ret = av_opt_set_double(ctx, "start", (double)start_time / 1e6,
AV_OPT_SEARCH_CHILDREN);
}
if (ret < 0) {
@ -336,6 +335,7 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
{
char *pix_fmts;
OutputStream *ost = ofilter->ost;
OutputFile *of = output_files[ost->file_index];
AVCodecContext *codec = ost->st->codec;
AVFilterContext *last_filter = out->filter_ctx;
int pad_idx = out->pad_idx;
@ -408,7 +408,10 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
pad_idx = 0;
}
ret = insert_trim(ost, &last_filter, &pad_idx);
snprintf(name, sizeof(name), "trim for output stream %d:%d",
ost->file_index, ost->index);
ret = insert_trim(of->start_time, of->recording_time,
&last_filter, &pad_idx, name);
if (ret < 0)
return ret;
@ -422,9 +425,9 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
{
OutputStream *ost = ofilter->ost;
OutputFile *of = output_files[ost->file_index];
AVCodecContext *codec = ost->st->codec;
AVFilterContext *last_filter = out->filter_ctx;
OutputFile *of = output_files[ost->file_index];
int pad_idx = out->pad_idx;
char *sample_fmts, *sample_rates, *channel_layouts;
char name[255];
@ -534,7 +537,10 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
}
}
ret = insert_trim(ost, &last_filter, &pad_idx);
snprintf(name, sizeof(name), "trim for output stream %d:%d",
ost->file_index, ost->index);
ret = insert_trim(of->start_time, of->recording_time,
&last_filter, &pad_idx, name);
if (ret < 0)
return ret;
@ -615,13 +621,14 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
AVFilterContext *last_filter;
const AVFilter *buffer_filt = avfilter_get_by_name("buffer");
InputStream *ist = ifilter->ist;
InputFile *f = input_files[ist->file_index];
AVRational tb = ist->framerate.num ? av_inv_q(ist->framerate) :
ist->st->time_base;
AVRational fr = ist->framerate;
AVRational sar;
AVBPrint args;
char name[255];
int ret;
int ret, pad_idx = 0;
if (!fr.num)
fr = av_guess_frame_rate(input_files[ist->file_index]->ctx, ist->st, NULL);
@ -688,6 +695,13 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
last_filter = yadif;
}
snprintf(name, sizeof(name), "trim for input stream %d:%d",
ist->file_index, ist->st->index);
ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
AV_NOPTS_VALUE : 0, INT64_MAX, &last_filter, &pad_idx, name);
if (ret < 0)
return ret;
if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0)
return ret;
return 0;
@ -699,9 +713,10 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
AVFilterContext *last_filter;
const AVFilter *abuffer_filt = avfilter_get_by_name("abuffer");
InputStream *ist = ifilter->ist;
InputFile *f = input_files[ist->file_index];
AVBPrint args;
char name[255];
int ret;
int ret, pad_idx = 0;
av_bprint_init(&args, 0, AV_BPRINT_SIZE_AUTOMATIC);
av_bprintf(&args, "time_base=%d/%d:sample_rate=%d:sample_fmt=%s",
@ -776,6 +791,14 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
snprintf(args, sizeof(args), "%f", audio_volume / 256.);
AUTO_INSERT_FILTER_INPUT("-vol", "volume", args);
}
snprintf(name, sizeof(name), "trim for input stream %d:%d",
ist->file_index, ist->st->index);
ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
AV_NOPTS_VALUE : 0, INT64_MAX, &last_filter, &pad_idx, name);
if (ret < 0)
return ret;
if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0)
return ret;