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avcodec/libvpxdec: add support for decoding pixel formats other than YUV420 with alpha

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2026-02-07 00:58:37 +01:00
parent 693ca902c1
commit d373dfe157
1 changed files with 16 additions and 6 deletions
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22
libavcodec/libvpxdec.c
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@@ -140,23 +140,28 @@ static int set_pix_fmt(AVCodecContext *avctx, struct vpx_image *img,
#if CONFIG_LIBVPX_VP9_DECODER
case VPX_IMG_FMT_I422:
avctx->profile = AV_PROFILE_VP9_1;
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
avctx->pix_fmt =
has_alpha_channel ? AV_PIX_FMT_YUVA422P : AV_PIX_FMT_YUV422P;
return 0;
case VPX_IMG_FMT_I440:
//TODO: Add alpha support once the pixel format becomes available
avctx->profile = AV_PROFILE_VP9_1;
avctx->pix_fmt = AV_PIX_FMT_YUV440P;
return 0;
case VPX_IMG_FMT_I444:
avctx->profile = AV_PROFILE_VP9_1;
avctx->pix_fmt = avctx->colorspace == AVCOL_SPC_RGB ?
AV_PIX_FMT_GBRP : AV_PIX_FMT_YUV444P;
(has_alpha_channel ? AV_PIX_FMT_GBRAP : AV_PIX_FMT_GBRP) :
(has_alpha_channel ? AV_PIX_FMT_YUVA444P : AV_PIX_FMT_YUV444P);
return 0;
case VPX_IMG_FMT_I42016:
avctx->profile = AV_PROFILE_VP9_2;
if (img->bit_depth == 10) {
avctx->pix_fmt = AV_PIX_FMT_YUV420P10;
avctx->pix_fmt =
has_alpha_channel ? AV_PIX_FMT_YUVA420P10 : AV_PIX_FMT_YUV420P10;
return 0;
} else if (img->bit_depth == 12) {
//TODO: Add alpha support once the pixel format becomes available
avctx->pix_fmt = AV_PIX_FMT_YUV420P12;
return 0;
} else {
@@ -165,15 +170,18 @@ static int set_pix_fmt(AVCodecContext *avctx, struct vpx_image *img,
case VPX_IMG_FMT_I42216:
avctx->profile = AV_PROFILE_VP9_3;
if (img->bit_depth == 10) {
avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
avctx->pix_fmt =
has_alpha_channel ? AV_PIX_FMT_YUVA422P10 : AV_PIX_FMT_YUV422P10;
return 0;
} else if (img->bit_depth == 12) {
//TODO: Add alpha support once the pixel format becomes available
avctx->pix_fmt = AV_PIX_FMT_YUV422P12;
return 0;
} else {
return AVERROR_INVALIDDATA;
}
case VPX_IMG_FMT_I44016:
//TODO: Add alpha support once the pixel format becomes available
avctx->profile = AV_PROFILE_VP9_3;
if (img->bit_depth == 10) {
avctx->pix_fmt = AV_PIX_FMT_YUV440P10;
@@ -188,11 +196,13 @@ static int set_pix_fmt(AVCodecContext *avctx, struct vpx_image *img,
avctx->profile = AV_PROFILE_VP9_3;
if (img->bit_depth == 10) {
avctx->pix_fmt = avctx->colorspace == AVCOL_SPC_RGB ?
AV_PIX_FMT_GBRP10 : AV_PIX_FMT_YUV444P10;
(has_alpha_channel ? AV_PIX_FMT_GBRAP10 : AV_PIX_FMT_GBRP10) :
(has_alpha_channel ? AV_PIX_FMT_YUVA444P10 : AV_PIX_FMT_YUV444P10);
return 0;
} else if (img->bit_depth == 12) {
avctx->pix_fmt = avctx->colorspace == AVCOL_SPC_RGB ?
AV_PIX_FMT_GBRP12 : AV_PIX_FMT_YUV444P12;
(has_alpha_channel ? AV_PIX_FMT_GBRAP12 : AV_PIX_FMT_GBRP12) :
(has_alpha_channel ? AV_PIX_FMT_YUVA444P12 : AV_PIX_FMT_YUV444P12);
return 0;
} else {
return AVERROR_INVALIDDATA;