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fftools/ffmpeg: add support for multiview video

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This extends the syntax for specifying input streams in -map and complex
filtergraph labels, to allow selecting a view by view ID, index, or
position. The corresponding decoder is then set up to decode the
appropriate view and send frames for that view to the correct
filtergraph input(s).
This commit is contained in:
Anton Khirnov 2024-08-10 18:36:49 +02:00
parent 68c198fae2
commit da420ac6e1
9 changed files with 610 additions and 55 deletions
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fftools/cmdutils.c
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@ -988,7 +988,7 @@ FILE *get_preset_file(char *filename, size_t filename_size,
return f;
}
static int cmdutils_isalnum(char c)
int cmdutils_isalnum(char c)
{
return (c >= '0' && c <= '9') ||
(c >= 'A' && c <= 'Z') ||