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spa: add mjpg and h264 format build helpers

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This commit is contained in:
Wim Taymans 2021-10-08 13:16:11 +02:00
parent cefcc2e874
commit 04344dad20
1 changed files with 50 additions and 0 deletions
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50
spa/include/spa/param/video/format-utils.h
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@ -161,6 +161,34 @@ spa_format_video_h264_parse(const struct spa_pod *format,
SPA_FORMAT_VIDEO_H264_alignment, SPA_POD_OPT_Id(&info->alignment));
}
static inline struct spa_pod *
spa_format_video_h264_build(struct spa_pod_builder *builder, uint32_t id,
struct spa_video_info_h264 *info)
{
struct spa_pod_frame f;
spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, id);
spa_pod_builder_add(builder,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_h264),
0);
if (info->size.width != 0 && info->size.height != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&info->size), 0);
if (info->framerate.denom != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&info->framerate), 0);
if (info->max_framerate.denom != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_Fraction(info->max_framerate), 0);
if (info->stream_format != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_H264_streamFormat, SPA_POD_Id(info->stream_format), 0);
if (info->alignment != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_H264_alignment, SPA_POD_Id(info->alignment), 0);
return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
}
static inline int
spa_format_video_mjpg_parse(const struct spa_pod *format,
struct spa_video_info_mjpg *info)
@ -172,6 +200,28 @@ spa_format_video_mjpg_parse(const struct spa_pod *format,
SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_OPT_Fraction(&info->max_framerate));
}
static inline struct spa_pod *
spa_format_video_mjpg_build(struct spa_pod_builder *builder, uint32_t id,
struct spa_video_info_mjpg *info)
{
struct spa_pod_frame f;
spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, id);
spa_pod_builder_add(builder,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_mjpg),
0);
if (info->size.width != 0 && info->size.height != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&info->size), 0);
if (info->framerate.denom != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&info->framerate), 0);
if (info->max_framerate.denom != 0)
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_maxFramerate, SPA_POD_Fraction(info->max_framerate), 0);
return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
}
/**
* \}
*/