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video/audio: #define metadata strings.

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For instance "orientation" becomes GST_VIDEO_ORIENTATION_METADATA.
This commit is contained in:
Mathieu Duponchelle 2013-08-21 23:56:15 +02:00 committed by Sebastian Dröge
parent 9613f79c1e
commit d1cb9c994b
5 changed files with 71 additions and 5 deletions
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7
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -157,6 +157,8 @@ GST_AUDIO_INFO_LAYOUT
GST_FRAMES_TO_CLOCK_TIME
GST_CLOCK_TIME_TO_FRAMES
GST_META_TAG_AUDIO_STR
GST_META_TAG_AUDIO_CHANNELS_STR
GST_AUDIO_NE
GST_AUDIO_OE
GST_AUDIO_RATE_RANGE
@ -2119,6 +2121,11 @@ gst_video_convert_sample_async
GstVideoAlignment
gst_video_alignment_reset
GST_META_TAG_VIDEO_STR
GST_META_TAG_VIDEO_ORIENTATION_STR
GST_META_TAG_VIDEO_SIZE_STR
GST_META_TAG_VIDEO_COLORSPACE_STR
#video-event.h
<SUBSECTION>
gst_video_event_new_still_frame

17
gst-libs/gst/audio/audio.h
View file

@ -51,6 +51,23 @@ G_BEGIN_DECLS
#define GST_CLOCK_TIME_TO_FRAMES(clocktime, rate) \
gst_util_uint64_scale_round (clocktime, rate, GST_SECOND)
/* metadata macros */
/**
* GST_META_TAG_AUDIO_STR:
* This metadata is relevant for audio streams.
*
* Since: 1.2
*/
#define GST_META_TAG_AUDIO_STR "audio"
/**
* GST_META_TAG_AUDIO_CHANNELS_STR:
* This metadata stays relevant as long as channels are unchanged.
*
* Since: 1.2
*/
#define GST_META_TAG_AUDIO_CHANNELS_STR "channels"
/*
* this library defines and implements some helper functions for audio
* handling

3
gst-libs/gst/audio/gstaudiometa.c
View file

@ -157,7 +157,8 @@ GType
gst_audio_downmix_meta_api_get_type (void)
{
static volatile GType type;
static const gchar *tags[] = { NULL };
static const gchar *tags[] =
{ GST_META_TAG_AUDIO_STR, GST_META_TAG_AUDIO_CHANNELS_STR, NULL };
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstAudioDownmixMetaAPI", tags);

19
gst-libs/gst/video/gstvideometa.c
View file

@ -67,7 +67,11 @@ GType
gst_video_meta_api_get_type (void)
{
static volatile GType type = 0;
static const gchar *tags[] = { "memory", "colorspace", "size", NULL };
static const gchar *tags[] =
{ GST_META_TAG_VIDEO_STR, GST_META_TAG_MEMORY_STR,
GST_META_TAG_VIDEO_COLORSPACE_STR,
GST_META_TAG_VIDEO_SIZE_STR, NULL
};
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstVideoMetaAPI", tags);
@ -346,7 +350,10 @@ GType
gst_video_crop_meta_api_get_type (void)
{
static volatile GType type = 0;
static const gchar *tags[] = { "size", "orientation", NULL };
static const gchar *tags[] =
{ GST_META_TAG_VIDEO_STR, GST_META_TAG_VIDEO_SIZE_STR,
GST_META_TAG_VIDEO_ORIENTATION_STR, NULL
};
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstVideoCropMetaAPI", tags);
@ -393,7 +400,8 @@ GType
gst_video_gl_texture_upload_meta_api_get_type (void)
{
static volatile GType type = 0;
static const gchar *tags[] = { "memory", NULL };
static const gchar *tags[] =
{ GST_META_TAG_VIDEO_STR, GST_META_TAG_MEMORY_STR, NULL };
if (g_once_init_enter (&type)) {
GType _type =
@ -535,7 +543,10 @@ GType
gst_video_region_of_interest_meta_api_get_type (void)
{
static volatile GType type;
static const gchar *tags[] = { "orientation", " size", NULL };
static const gchar *tags[] =
{ GST_META_TAG_VIDEO_STR, GST_META_TAG_VIDEO_ORIENTATION_STR,
GST_META_TAG_VIDEO_SIZE_STR, NULL
};
if (g_once_init_enter (&type)) {
GType _type =

30
gst-libs/gst/video/video.h
View file

@ -53,6 +53,36 @@ struct _GstVideoAlignment
guint stride_align[GST_VIDEO_MAX_PLANES];
};
/* metadata macros */
/**
* GST_META_TAG_VIDEO_STR:
* This metadata is relevant for video streams.
*
* Since: 1.2
*/
#define GST_META_TAG_VIDEO_STR "video"
/**
* GST_META_TAG_VIDEO_ORIENTATION_STR:
* This metadata stays relevant as long as video orientation is unchanged.
*
* Since: 1.2
*/
#define GST_META_TAG_VIDEO_ORIENTATION_STR "orientation"
/**
* GST_META_TAG_VIDEO_SIZE_STR:
* This metadata stays relevant as long as video size is unchanged.
*
* Since: 1.2
*/
#define GST_META_TAG_VIDEO_SIZE_STR "size"
/**
* GST_META_TAG_VIDEO_COLORSPACE_STR:
* This metadata stays relevant as long as video colorspace is unchanged.
*
* Since: 1.2
*/
#define GST_META_TAG_VIDEO_COLORSPACE_STR "colorspace"
void gst_video_alignment_reset (GstVideoAlignment *align);