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lavf: add "disposition" AVOption to AVStream AVClass

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Use it to remove custom disposition parsing code from ffmpeg.c
This commit is contained in:
Anton Khirnov 2021-11-12 15:15:07 +01:00
parent b731fb5104
commit a4c5d241ec
3 changed files with 36 additions and 27 deletions
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1
doc/APIchanges
View File

@ -18,6 +18,7 @@ API changes, most recent first:
Add av_stream_get_class(). Schedule adding AVStream.av_class at libavformat
major version 60.
Add av_disposition_to_string() and av_disposition_from_string().
Add "disposition" AVOption to AVStream's class.
2021-11-12 - xxxxxxxxxx - lavu 57.8.100 - hwcontext_vulkan.h
Added AVFrame.sem_value, AVVulkanDeviceContext.queue_family_encode_index,

38
fftools/ffmpeg.c
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@ -3665,34 +3665,18 @@ static int init_output_stream(OutputStream *ost, AVFrame *frame,
// parse user provided disposition, and update stream values
if (ost->disposition) {
static const AVOption opts[] = {
{ "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
{ "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
{ "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
{ "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
{ "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
{ "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
{ "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
{ "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
{ "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
{ "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
{ "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
{ "attached_pic" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "flags" },
{ "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
{ "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
{ "dependent" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "flags" },
{ "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
{ NULL },
};
static const AVClass class = {
.class_name = "",
.item_name = av_default_item_name,
.option = opts,
.version = LIBAVUTIL_VERSION_INT,
};
const AVClass *pclass = &class;
#if LIBAVFORMAT_VERSION_MAJOR >= 60
ret = av_opt_set(ost->st, "disposition", ost->disposition, 0);
#else
{
const AVClass *class = av_stream_get_class();
const AVOption *o = av_opt_find(&class, "disposition", NULL, 0, AV_OPT_SEARCH_FAKE_OBJ);
av_assert0(o);
ret = av_opt_eval_flags(&class, o, ost->disposition, &ost->st->disposition);
}
#endif
ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
if (ret < 0)
return ret;
}

24
libavformat/utils.c
View File

@ -722,10 +722,34 @@ void avformat_free_context(AVFormatContext *s)
av_free(s);
}
static const AVOption stream_options[] = {
{ "disposition", NULL, offsetof(AVStream, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 },
.flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" },
{ "default", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "disposition" },
{ "dub", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "disposition" },
{ "original", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "disposition" },
{ "comment", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "disposition" },
{ "lyrics", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "disposition" },
{ "karaoke", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "disposition" },
{ "forced", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "disposition" },
{ "hearing_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "disposition" },
{ "visual_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "disposition" },
{ "clean_effects", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "disposition" },
{ "attached_pic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "disposition" },
{ "timed_thumbnails", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS }, .unit = "disposition" },
{ "captions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "disposition" },
{ "descriptions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "disposition" },
{ "metadata", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "disposition" },
{ "dependent", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "disposition" },
{ "still_image", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE }, .unit = "disposition" },
{ NULL }
};
static const AVClass stream_class = {
.class_name = "AVStream",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.option = stream_options,
};
const AVClass *av_stream_get_class(void)