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video: sort formats by quality

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Will ensure that we pick the "best" format when negotiating caps.

Fix #649

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/689>
This commit is contained in:
Guillaume Desmottes 2020-06-04 16:40:44 +02:00 committed by GStreamer Merge Bot
parent e2f6b85fd9
commit 62254f93a3
1 changed files with 44 additions and 11 deletions
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55
gst-libs/gst/video/video-format.h
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@ -578,17 +578,50 @@ gconstpointer gst_video_format_get_palette (GstVideoFormat format, gsi
# define GST_VIDEO_OE(s) G_STRINGIFY(s)"_LE"
#endif
#define GST_VIDEO_FORMATS_ALL "{ I420, YV12, YUY2, UYVY, AYUV, VUYA, RGBx, " \
"BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, " \
"Y444, v210, v216, Y210, Y410, NV12, NV21, GRAY8, GRAY16_BE, GRAY16_LE, v308, RGB16, " \
"BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, " \
"AYUV64, r210, I420_10BE, I420_10LE, I422_10BE, I422_10LE, Y444_10BE, " \
"Y444_10LE, GBR, GBR_10BE, GBR_10LE, NV16, NV24, NV12_64Z32, A420_10BE, " \
"A420_10LE, A422_10BE, A422_10LE, A444_10BE, A444_10LE, NV61, P010_10BE, " \
"P010_10LE, IYU2, VYUY, GBRA, GBRA_10BE, GBRA_10LE, BGR10A2_LE, RGB10A2_LE, GBR_12BE, GBR_12LE, " \
"GBRA_12BE, GBRA_12LE, P012_BE, P012_LE, I420_12BE, I420_12LE, Y212_BE, Y212_LE, I422_12BE, I422_12LE, " \
"Y412_BE, Y412_LE, Y444_12BE, Y444_12LE, GRAY10_LE32, NV12_10LE32, NV16_10LE32, NV12_10LE40, " \
"Y444_16BE, Y444_16LE, P016_BE, P016_LE }"
/**
* GST_VIDEO_FORMATS_ALL:
*
* List of all video formats, for use in template caps strings.
*
* Formats are sorted by decreasing "quality", using these criteria by priority:
* - number of components
* - depth
* - subsampling factor of the width
* - subsampling factor of the height
* - number of planes
* - native endianness preferred
* - pixel stride
* - poffset
* - prefer non-complex formats
* - prefer YUV formats over RGB ones
* - prefer I420 over YV12
* - format name
*/
#if G_BYTE_ORDER == G_BIG_ENDIAN
#define GST_VIDEO_FORMATS_ALL "{ AYUV64, ARGB64, GBRA_12BE, GBRA_12LE, Y412_BE, " \
"Y412_LE, A444_10BE, GBRA_10BE, A444_10LE, GBRA_10LE, A422_10BE, A422_10LE, " \
"A420_10BE, A420_10LE, Y410, RGB10A2_LE, BGR10A2_LE, GBRA, ABGR, VUYA, BGRA, " \
"AYUV, ARGB, RGBA, A420, Y444_16BE, Y444_16LE, v216, P016_BE, P016_LE, Y444_12BE, " \
"GBR_12BE, Y444_12LE, GBR_12LE, I422_12BE, I422_12LE, Y212_BE, Y212_LE, I420_12BE, " \
"I420_12LE, P012_BE, P012_LE, Y444_10BE, GBR_10BE, Y444_10LE, GBR_10LE, r210, " \
"I422_10BE, I422_10LE, NV16_10LE32, Y210, v210, UYVP, I420_10BE, I420_10LE, " \
"P010_10BE, P010_10LE, NV12_10LE32, NV12_10LE40, Y444, GBR, NV24, xBGR, BGRx, " \
"xRGB, RGBx, BGR, IYU2, v308, RGB, Y42B, NV61, NV16, VYUY, UYVY, YVYU, YUY2, I420, " \
"YV12, NV21, NV12, NV12_64Z32, Y41B, IYU1, YVU9, YUV9, RGB16, BGR16, RGB15, BGR15, " \
"RGB8P, GRAY16_BE, GRAY16_LE, GRAY10_LE32, GRAY8 }"
#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
#define GST_VIDEO_FORMATS_ALL "{ AYUV64, ARGB64, GBRA_12LE, GBRA_12BE, Y412_LE, " \
"Y412_BE, A444_10LE, GBRA_10LE, A444_10BE, GBRA_10BE, A422_10LE, A422_10BE, " \
"A420_10LE, A420_10BE, RGB10A2_LE, BGR10A2_LE, Y410, GBRA, ABGR, VUYA, BGRA, " \
"AYUV, ARGB, RGBA, A420, Y444_16LE, Y444_16BE, v216, P016_LE, P016_BE, Y444_12LE, " \
"GBR_12LE, Y444_12BE, GBR_12BE, I422_12LE, I422_12BE, Y212_LE, Y212_BE, I420_12LE, " \
"I420_12BE, P012_LE, P012_BE, Y444_10LE, GBR_10LE, Y444_10BE, GBR_10BE, r210, " \
"I422_10LE, I422_10BE, NV16_10LE32, Y210, v210, UYVP, I420_10LE, I420_10BE, " \
"P010_10LE, NV12_10LE32, NV12_10LE40, P010_10BE, Y444, GBR, NV24, xBGR, BGRx, " \
"xRGB, RGBx, BGR, IYU2, v308, RGB, Y42B, NV61, NV16, VYUY, UYVY, YVYU, YUY2, I420, " \
"YV12, NV21, NV12, NV12_64Z32, Y41B, IYU1, YVU9, YUV9, RGB16, BGR16, RGB15, BGR15, " \
"RGB8P, GRAY16_LE, GRAY16_BE, GRAY10_LE32, GRAY8 }"
#endif
GST_VIDEO_API
const GstVideoFormat * gst_video_formats_raw (guint * len);