diff options
| author | James Almer <jamrial@gmail.com> | 2022-08-05 13:44:16 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2022-08-07 09:33:16 -0300 |
| commit | 19748132613d1d13f5b6786051910e7375bb3df6 (patch) | |
| tree | 0f0bb1a87207727e02ddab285579c286f98b5c14 /libswscale | |
| parent | 23758380d0d0704754d0942779f283e1cf7641ae (diff) | |
swscale/output: add VUYA output support
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/output.c | 57 | ||||
| -rw-r--r-- | libswscale/utils.c | 2 |
2 files changed, 58 insertions, 1 deletions
diff --git a/libswscale/output.c b/libswscale/output.c index 773f3ce059..1b8f35bb4b 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -2584,6 +2584,60 @@ yuv2ayuv64le_X_c(SwsContext *c, const int16_t *lumFilter, } } +static void +yuv2vuya_X_c(SwsContext *c, const int16_t *lumFilter, + const int16_t **lumSrc, int lumFilterSize, + const int16_t *chrFilter, const int16_t **chrUSrc, + const int16_t **chrVSrc, int chrFilterSize, + const int16_t **alpSrc, uint8_t *dest, int dstW, int y) +{ + int hasAlpha = !!alpSrc; + int i; + + for (i = 0; i < dstW; i++) { + int j; + int Y = 1 << 18, U = 1 << 18; + int V = 1 << 18, A = 255; + + for (j = 0; j < lumFilterSize; j++) + Y += lumSrc[j][i] * lumFilter[j]; + + for (j = 0; j < lumFilterSize; j++) + U += chrUSrc[j][i] * chrFilter[j]; + + for (j = 0; j < lumFilterSize; j++) + V += chrVSrc[j][i] * chrFilter[j]; + + Y >>= 19; + U >>= 19; + V >>= 19; + + if (Y & 0x100) + Y = av_clip_uint8(Y); + if (U & 0x100) + U = av_clip_uint8(U); + if (V & 0x100) + V = av_clip_uint8(V); + + if (hasAlpha) { + A = 1 << 18; + + for (j = 0; j < lumFilterSize; j++) + A += alpSrc[j][i] * lumFilter[j]; + + A >>= 19; + + if (A & 0x100) + A = av_clip_uint8(A); + } + + dest[4 * i ] = V; + dest[4 * i + 1] = U; + dest[4 * i + 2] = Y; + dest[4 * i + 3] = A; + } +} + av_cold void ff_sws_init_output_funcs(SwsContext *c, yuv2planar1_fn *yuv2plane1, yuv2planarX_fn *yuv2planeX, @@ -3086,5 +3140,8 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c, case AV_PIX_FMT_AYUV64LE: *yuv2packedX = yuv2ayuv64le_X_c; break; + case AV_PIX_FMT_VUYA: + *yuv2packedX = yuv2vuya_X_c; + break; } } diff --git a/libswscale/utils.c b/libswscale/utils.c index bc3d1c955c..34503e57f4 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -258,7 +258,7 @@ static const FormatEntry format_entries[] = { [AV_PIX_FMT_P416BE] = { 1, 1 }, [AV_PIX_FMT_P416LE] = { 1, 1 }, [AV_PIX_FMT_NV16] = { 1, 1 }, - [AV_PIX_FMT_VUYA] = { 1, 0 }, + [AV_PIX_FMT_VUYA] = { 1, 1 }, }; int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos, |