On Mon, Oct 07, 2024 at 09:29:43AM -0300, James Almer wrote:
> Signed-off-by: James Almer <jamr...@gmail.com>
> ---
> libswscale/output.c | 56 ++++++++++++++++++++++++
> libswscale/utils.c | 2 +-
> tests/ref/fate/filter-pixdesc-ayuv | 1 +
> tests/ref/fate/filter-pixfmts-copy | 1 +
> tests/ref/fate/filter-pixfmts-crop | 1 +
> tests/ref/fate/filter-pixfmts-field | 1 +
> tests/ref/fate/filter-pixfmts-fieldorder | 1 +
> tests/ref/fate/filter-pixfmts-hflip | 1 +
> tests/ref/fate/filter-pixfmts-il | 1 +
> tests/ref/fate/filter-pixfmts-null | 1 +
> tests/ref/fate/filter-pixfmts-pad | 1 +
> tests/ref/fate/filter-pixfmts-scale | 1 +
> tests/ref/fate/filter-pixfmts-transpose | 1 +
> tests/ref/fate/filter-pixfmts-vflip | 1 +
> 14 files changed, 69 insertions(+), 1 deletion(-)
> create mode 100644 tests/ref/fate/filter-pixdesc-ayuv
>
> diff --git a/libswscale/output.c b/libswscale/output.c
> index e5d555f76f..4d6b9d553b 100644
> --- a/libswscale/output.c
> +++ b/libswscale/output.c
> @@ -2825,6 +2825,59 @@ yuv2vuyX_X_c(SwsContext *c, const int16_t *lumFilter,
> }
> }
>
> +static void
> +yuv2ayuv_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 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 < chrFilterSize; j++)
> + U += chrUSrc[j][i] * chrFilter[j];
> +
> + for (j = 0; j < chrFilterSize; 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 (alpSrc) {
> + 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 ] = A;
> + dest[4 * i + 1] = Y;
> + dest[4 * i + 2] = U;
> + dest[4 * i + 3] = V;
> + }
> +}please dont repeat a nearly identical function for each case see output_pixel(s) > + > #define output_pixel(pos, val, bits) \ > AV_WL16(pos, av_clip_uintp2(val >> shift, bits) << output_shift); > > @@ -3377,6 +3430,9 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c, > case AV_PIX_FMT_AYUV64LE: > *yuv2packedX = yuv2ayuv64le_X_c; > break; > + case AV_PIX_FMT_AYUV: > + *yuv2packedX = yuv2ayuv_X_c; > + break; if this covers all needed/used cases, ok thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Avoid a single point of failure, be that a person or equipment.
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