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libavutil: add AV_PIX_FMT_BAYER pixel formats

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The pixel format descriptors are set to more or less arbitrary
values as bayer formats do not fit in the descriptors structure.
These values are currently not used for bayer formats and thus
do not matter.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross 2012-12-16 12:48:39 +11:00 committed by Michael Niedermayer
parent 8901f48e63
commit 9116995efb
2 changed files with 85 additions and 0 deletions
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71
libavutil/pixdesc.c
View File

@ -1737,6 +1737,75 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
},
.flags = AV_PIX_FMT_FLAG_BE,
},
#define BAYER8_DESC_COMMON \
.nb_components= 3, \
.log2_chroma_w= 0, \
.log2_chroma_h= 0, \
.comp = { \
{0,0,0,0,1}, \
{0,0,0,0,3}, \
{0,0,0,0,1}, \
}, \
#define BAYER16_DESC_COMMON \
.nb_components= 3, \
.log2_chroma_w= 0, \
.log2_chroma_h= 0, \
.comp = { \
{0,1,0,0, 3}, \
{0,1,0,0, 7}, \
{0,1,0,0, 3}, \
}, \
[AV_PIX_FMT_BAYER_BGGR8] = {
.name = "bayer_bggr8",
BAYER8_DESC_COMMON
},
[AV_PIX_FMT_BAYER_BGGR16LE] = {
.name = "bayer_bggr16le",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_BGGR16BE] = {
.name = "bayer_bggr16be",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_RGGB8] = {
.name = "bayer_rggb8",
BAYER8_DESC_COMMON
},
[AV_PIX_FMT_BAYER_RGGB16LE] = {
.name = "bayer_rggb16le",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_RGGB16BE] = {
.name = "bayer_rggb16be",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_GBRG8] = {
.name = "bayer_gbrg8",
BAYER8_DESC_COMMON
},
[AV_PIX_FMT_BAYER_GBRG16LE] = {
.name = "bayer_gbrg16le",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_GBRG16BE] = {
.name = "bayer_gbrg16be",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_GRBG8] = {
.name = "bayer_grbg8",
BAYER8_DESC_COMMON
},
[AV_PIX_FMT_BAYER_GRBG16LE] = {
.name = "bayer_grbg16le",
BAYER16_DESC_COMMON
},
[AV_PIX_FMT_BAYER_GRBG16BE] = {
.name = "bayer_grbg16be",
BAYER16_DESC_COMMON
},
};
FF_DISABLE_DEPRECATION_WARNINGS
@ -1918,6 +1987,8 @@ void ff_check_pixfmt_descriptors(void){
av_assert0(8*(c->step_minus1+1) >= c->depth_minus1+1);
}
av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
if (!memcmp(d->name, "bayer_", 6))
continue;
av_assert0(tmp[0] == 0 && tmp[1] == 0);
tmp[0] = tmp[1] = (1<<(c->depth_minus1 + 1)) - 1;
av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);

14
libavutil/pixfmt.h
View File

@ -244,6 +244,20 @@ enum AVPixelFormat {
AV_PIX_FMT_GBRAP16BE, ///< planar GBRA 4:4:4:4 64bpp, big-endian
AV_PIX_FMT_GBRAP16LE, ///< planar GBRA 4:4:4:4 64bpp, little-endian
AV_PIX_FMT_YUVJ411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor of PIX_FMT_YUV411P and setting color_range
AV_PIX_FMT_BAYER_BGGR8, ///< bayer, BGBG..(odd line), GRGR..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_RGGB8, ///< bayer, RGRG..(odd line), GBGB..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_GBRG8, ///< bayer, GBGB..(odd line), RGRG..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_GRBG8, ///< bayer, GRGR..(odd line), BGBG..(even line), 8-bit samples */
AV_PIX_FMT_BAYER_BGGR16LE, ///< bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_BGGR16BE, ///< bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_BAYER_RGGB16LE, ///< bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_RGGB16BE, ///< bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_BAYER_GBRG16LE, ///< bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_GBRG16BE, ///< bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_BAYER_GRBG16LE, ///< bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, little-endian */
AV_PIX_FMT_BAYER_GRBG16BE, ///< bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, big-endian */
AV_PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
#if FF_API_PIX_FMT