diff options
Diffstat (limited to 'libswscale/utils.c')
| -rw-r--r-- | libswscale/utils.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index ca7c2c4a28..f13fec8977 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -196,6 +196,8 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = { [AV_PIX_FMT_GBRP14BE] = { 1, 1 }, [AV_PIX_FMT_GBRP16LE] = { 1, 0 }, [AV_PIX_FMT_GBRP16BE] = { 1, 0 }, + [AV_PIX_FMT_XYZ12BE] = { 1, 0 }, + [AV_PIX_FMT_XYZ12LE] = { 1, 0 }, }; int sws_isSupportedInput(enum AVPixelFormat pix_fmt) @@ -893,6 +895,24 @@ static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange) AV_WL16(p + 16*4 + 2*i, map[i] >= 0 ? c->input_rgb2yuv_table[map[i]] : 0); } +static void fill_xyztables(struct SwsContext *c) +{ + int i; + double xyzgamma = XYZ_GAMMA; + double rgbgamma = 1.0 / RGB_GAMMA; + static const int16_t xyz2rgb_matrix[3][4] = { + {13270, -6295, -2041}, + {-3969, 7682, 170}, + { 228, -835, 4329} }; + + /* set gamma vectors */ + for (i = 0; i < 4096; i++) { + c->xyzgamma[i] = lrint(pow(i / 4095.0, xyzgamma) * 4095.0); + c->rgbgamma[i] = lrint(pow(i / 4095.0, rgbgamma) * 4095.0); + } + memcpy(c->xyz2rgb_matrix, xyz2rgb_matrix, sizeof(c->xyz2rgb_matrix)); +} + int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation) @@ -913,6 +933,8 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], c->srcRange = srcRange; c->dstRange = dstRange; + fill_xyztables(c); + if ((isYUV(c->dstFormat) || isGray(c->dstFormat)) && (isYUV(c->srcFormat) || isGray(c->srcFormat))) return -1; @@ -983,6 +1005,15 @@ static int handle_0alpha(enum AVPixelFormat *format) } } +static int handle_xyz(enum AVPixelFormat *format) +{ + switch (*format) { + case AV_PIX_FMT_XYZ12BE : *format = AV_PIX_FMT_RGB48BE; return 1; + case AV_PIX_FMT_XYZ12LE : *format = AV_PIX_FMT_RGB48LE; return 1; + default: return 0; + } +} + SwsContext *sws_alloc_context(void) { SwsContext *c = av_mallocz(sizeof(SwsContext)); @@ -1025,6 +1056,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, handle_jpeg(&dstFormat); handle_0alpha(&srcFormat); handle_0alpha(&dstFormat); + handle_xyz(&srcFormat); + handle_xyz(&dstFormat); if(srcFormat!=c->srcFormat || dstFormat!=c->dstFormat){ av_log(c, AV_LOG_WARNING, "deprecated pixel format used, make sure you did set range correctly\n"); @@ -1518,6 +1551,8 @@ SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, c->dstRange = handle_jpeg(&dstFormat); c->src0Alpha = handle_0alpha(&srcFormat); c->dst0Alpha = handle_0alpha(&dstFormat); + c->srcXYZ = handle_xyz(&srcFormat); + c->dstXYZ = handle_xyz(&dstFormat); c->srcFormat = srcFormat; c->dstFormat = dstFormat; @@ -1959,11 +1994,13 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW, context->srcH = srcH; context->srcRange = handle_jpeg(&srcFormat); context->src0Alpha = handle_0alpha(&srcFormat); + context->srcXYZ = handle_xyz(&srcFormat); context->srcFormat = srcFormat; context->dstW = dstW; context->dstH = dstH; context->dstRange = handle_jpeg(&dstFormat); context->dst0Alpha = handle_0alpha(&dstFormat); + context->dstXYZ = handle_xyz(&dstFormat); context->dstFormat = dstFormat; context->flags = flags; context->param[0] = param[0]; |