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Add helper to convert from GstVaapiImageFormat to GstCaps.

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This commit is contained in:
gb 2010-03-10 10:41:12 +00:00
parent 1689ee112d
commit b5548b7efd
2 changed files with 28 additions and 8 deletions
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33
gst-libs/gst/vaapi/gstvaapiimageformat.c
View file

@ -20,6 +20,7 @@
#include "config.h"
#include <glib.h>
#include <gst/video/video.h>
#include "gstvaapiimageformat.h"
typedef enum _GstVaapiImageFormatType GstVaapiImageFormatType;
@ -34,20 +35,20 @@ enum _GstVaapiImageFormatType {
struct _GstVaapiImageFormatMap {
GstVaapiImageFormatType type;
GstVaapiImageFormat format;
GstStaticCaps caps;
VAImageFormat va_format;
};
#define DEF(TYPE, FORMAT) \
GST_VAAPI_IMAGE_FORMAT_TYPE_##TYPE, GST_VAAPI_IMAGE_##FORMAT
#define DEF(TYPE, FORMAT, CAPS_STR) \
GST_VAAPI_IMAGE_FORMAT_TYPE_##TYPE, \
GST_VAAPI_IMAGE_##FORMAT, \
GST_STATIC_CAPS(CAPS_STR)
#define DEF_YUV(FORMAT, FOURCC, ENDIAN, BPP) \
{ DEF(YCBCR, FORMAT), \
{ DEF(YCBCR, FORMAT, GST_VIDEO_CAPS_YUV(#FORMAT)), \
{ VA_FOURCC FOURCC, VA_##ENDIAN##_FIRST, BPP, }, }
#define DEF_RGB(FORMAT, FOURCC, ENDIAN, BPP, DEPTH, R,G,B,A) \
{ DEF(RGB, FORMAT), \
{ DEF(RGB, FORMAT, GST_VIDEO_CAPS_##FORMAT), \
{ VA_FOURCC FOURCC, VA_##ENDIAN##_FIRST, BPP, DEPTH, R,G,B,A }, }
#define DEF_IDX(FORMAT, FOURCC, ENDIAN, BPP, NPE, EB, C0,C1,C2,C3) \
{ DEF(TYPE, FORMAT), \
{ VA_FOURCC FOURCC, VA_##ENDIAN##_FIRST, BPP, }
static const GstVaapiImageFormatMap gst_vaapi_image_formats[] = {
DEF_YUV(NV12, ('N','V','1','2'), LSB, 12),
@ -67,7 +68,6 @@ static const GstVaapiImageFormatMap gst_vaapi_image_formats[] = {
{ 0, }
};
#undef DEF_IDX
#undef DEF_RGB
#undef DEF_YUV
#undef DEF
@ -151,3 +151,20 @@ gst_vaapi_image_format_get_va_format(GstVaapiImageFormat format)
return &m->va_format;
}
GstCaps *
gst_vaapi_image_format_get_caps(GstVaapiImageFormat format)
{
GstCaps *caps;
const GstVaapiImageFormatMap *m;
m = get_map_from_gst_vaapi_image_format(format);
g_return_val_if_fail(m, NULL);
caps = gst_static_caps_get(&m->caps);
if (!caps)
return NULL;
return gst_caps_make_writable(caps);
}

3
gst-libs/gst/vaapi/gstvaapiimageformat.h
View file

@ -60,6 +60,9 @@ gst_vaapi_image_format_from_fourcc(guint32 fourcc);
const VAImageFormat *
gst_vaapi_image_format_get_va_format(GstVaapiImageFormat format);
GstCaps *
gst_vaapi_image_format_get_caps(GstVaapiImageFormat format);
G_END_DECLS
#endif /* GST_GST_VAAPI_IMAGE_H */