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fftools/ffmpeg_demux: move the loop out of add_input_streams()

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Make the function process just one input stream at a time and save an
indentation level. Also rename it to ist_add() to be consistent with an
analogous function in ffmpeg_mux_init.
This commit is contained in:
Anton Khirnov 2023-06-06 12:31:28 +02:00
parent 47a14b542e
commit 98766dbbd7
1 changed files with 6 additions and 10 deletions
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16
fftools/ffmpeg_demux.c
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@ -1032,15 +1032,9 @@ static DemuxStream *demux_stream_alloc(Demuxer *d, AVStream *st)
return ds;
}
/* Add all the streams from the given input file to the demuxer */
static void add_input_streams(const OptionsContext *o, Demuxer *d)
static void ist_add(const OptionsContext *o, Demuxer *d, AVStream *st)
{
InputFile *f = &d->f;
AVFormatContext *ic = f->ctx;
int i, ret;
for (i = 0; i < ic->nb_streams; i++) {
AVStream *st = ic->streams[i];
AVFormatContext *ic = d->f.ctx;
AVCodecParameters *par = st->codecpar;
DemuxStream *ds;
InputStream *ist;
@ -1053,6 +1047,7 @@ static void add_input_streams(const OptionsContext *o, Demuxer *d)
const AVClass *cc = avcodec_get_class();
const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL,
0, AV_OPT_SEARCH_FAKE_OBJ);
int ret;
ds = demux_stream_alloc(d, st);
ist = &ds->ist;
@ -1265,7 +1260,6 @@ static void add_input_streams(const OptionsContext *o, Demuxer *d)
}
ist->codec_desc = avcodec_descriptor_get(ist->par->codec_id);
}
}
static void dump_attachment(InputStream *ist, const char *filename)
@ -1580,7 +1574,9 @@ int ifile_open(const OptionsContext *o, const char *filename)
d->thread_queue_size = o->thread_queue_size;
add_input_streams(o, d);
/* Add all the streams from the given input file to the demuxer */
for (int i = 0; i < ic->nb_streams; i++)
ist_add(o, d, ic->streams[i]);
/* dump the file content */
av_dump_format(ic, f->index, filename, 0);