diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2014-11-18 05:10:21 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-11-18 05:10:21 +0100 |
| commit | 4243415741e335b92feb757d5514a2cdfbb63cc4 (patch) | |
| tree | 7600938acd9b8f104234e6e0f10ccbd117fc84ac | |
| parent | 0b75b6c3cd2cb4775729bf019c25c4792a2729d4 (diff) | |
| download | ffmpeg-4243415741e335b92feb757d5514a2cdfbb63cc4.tar.gz | |
avcodec/mjpegdec: Support some subsampled GBR variants
Fixes Ticket4045
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/mjpegdec.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index b350f4473d..c4d4d8bce7 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -492,15 +492,29 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s) case 0x14121200: case 0x22211100: case 0x22112100: - if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV440P : AV_PIX_FMT_YUVJ440P; - else - goto unk_pixfmt; - s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; + if (s->component_id[0] == 'Q' && s->component_id[1] == 'F' && s->component_id[2] == 'A') { + if (s->bits <= 8) s->avctx->pix_fmt = AV_PIX_FMT_GBRP; + else + goto unk_pixfmt; + s->upscale_v |= 3; + } else { + if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV440P : AV_PIX_FMT_YUVJ440P; + else + goto unk_pixfmt; + s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; + } break; case 0x21111100: - if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV422P : AV_PIX_FMT_YUVJ422P; - else s->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; - s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; + if (s->component_id[0] == 'Q' && s->component_id[1] == 'F' && s->component_id[2] == 'A') { + if (s->bits <= 8) s->avctx->pix_fmt = AV_PIX_FMT_GBRP; + else + goto unk_pixfmt; + s->upscale_h |= 3; + } else { + if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV422P : AV_PIX_FMT_YUVJ422P; + else s->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; + s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG; + } break; case 0x22121100: case 0x22111200: @@ -2094,6 +2108,7 @@ the_end: avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P16|| + avctx->pix_fmt == AV_PIX_FMT_GBRP || avctx->pix_fmt == AV_PIX_FMT_GBRAP ); avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); @@ -2132,6 +2147,7 @@ the_end: avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P || avctx->pix_fmt == AV_PIX_FMT_YUVA444P || + avctx->pix_fmt == AV_PIX_FMT_GBRP || avctx->pix_fmt == AV_PIX_FMT_GBRAP ); avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); |