From 67a34686f522ce1efffff2da72459f0c5076581f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5vard=20Espeland?= Date: Fri, 27 May 2016 11:06:13 +0200 Subject: [PATCH] avcodec/proresdec2: Add support for grayscale videos MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Håvard Espeland --- libavcodec/proresdec2.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/libavcodec/proresdec2.c b/libavcodec/proresdec2.c index 2d47a13..9f26bcf 100644 --- a/libavcodec/proresdec2.c +++ b/libavcodec/proresdec2.c @@ -578,7 +578,7 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int if (ret < 0) return ret; - if (!(avctx->flags & AV_CODEC_FLAG_GRAY)) { + if (!(avctx->flags & AV_CODEC_FLAG_GRAY) && (u_data_size + v_data_size) > 0) { ret = decode_slice_chroma(avctx, slice, (uint16_t*)dest_u, chroma_stride, buf + y_data_size, u_data_size, qmat_chroma_scaled, log2_chroma_blocks_per_mb); @@ -591,6 +591,16 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int if (ret < 0) return ret; } + else { + size_t mb_max_x = slice->mb_count << (mb_x_shift - 1); + for (size_t i = 0; i < 16; ++i) + for (size_t j = 0; j < mb_max_x; ++j) + { + *(uint16_t*)(dest_u + (i * chroma_stride) + (j << 1)) = 511; + *(uint16_t*)(dest_v + (i * chroma_stride) + (j << 1)) = 511; + } + } + /* decode alpha plane if available */ if (ctx->alpha_info && pic->data[3] && a_data_size) decode_slice_alpha(ctx, (uint16_t*)dest_a, luma_stride, -- 2.1.4