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fftools/ffmpeg: add a function adding a destination filter for InputStream

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This way filtering code does not directly mess with InputStream
internals. Will become more useful in following commits.
This commit is contained in:
Anton Khirnov 2023-04-11 12:57:30 +02:00
parent c7438e8737
commit ae071c9e39
3 changed files with 10 additions and 5 deletions
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1
fftools/ffmpeg.h
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@ -880,6 +880,7 @@ void ifile_close(InputFile **f);
int ifile_get_packet(InputFile *f, AVPacket **pkt);
void ist_output_add(InputStream *ist, OutputStream *ost);
void ist_filter_add(InputStream *ist, InputFilter *ifilter);
/* iterate over all input streams in all input files;
* pass NULL to start iteration */

6
fftools/ffmpeg_demux.c
View File

@ -567,6 +567,12 @@ void ist_output_add(InputStream *ist, OutputStream *ost)
ist->outputs[ist->nb_outputs - 1] = ost;
}
void ist_filter_add(InputStream *ist, InputFilter *ifilter)
{
GROW_ARRAY(ist->filters, ist->nb_filters);
ist->filters[ist->nb_filters - 1] = ifilter;
}
static const AVCodec *choose_decoder(const OptionsContext *o, AVFormatContext *s, AVStream *st,
enum HWAccelID hwaccel_id, enum AVHWDeviceType hwaccel_device_type)

8
fftools/ffmpeg_filter.c
View File

@ -212,12 +212,11 @@ int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
if (!ifilter->frame_queue)
report_and_exit(AVERROR(ENOMEM));
GROW_ARRAY(ist->filters, ist->nb_filters);
ist->filters[ist->nb_filters - 1] = ifilter;
GROW_ARRAY(filtergraphs, nb_filtergraphs);
filtergraphs[nb_filtergraphs - 1] = fg;
ist_filter_add(ist, ifilter);
return 0;
}
@ -319,8 +318,7 @@ static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
if (!ifilter->frame_queue)
report_and_exit(AVERROR(ENOMEM));
GROW_ARRAY(ist->filters, ist->nb_filters);
ist->filters[ist->nb_filters - 1] = ifilter;
ist_filter_add(ist, ifilter);
}
static int read_binary(const char *path, uint8_t **data, int *len)