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| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2016-04-22 17:28:03 -0400 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2016-04-26 16:30:04 -0400 |
| commit | 6eb2505855fa832ba7d0a1c2fb9f92c41c5446e3 (patch) | |
| tree | 7db36fadeca51a38c15ac32bd6dea322d089d7fa /libavcodec | |
| parent | 39cdbb12aa2140520246bc4c3e22436b9f8a121a (diff) | |
| download | ffmpeg-6eb2505855fa832ba7d0a1c2fb9f92c41c5446e3.tar.gz | |
dds: Drop gray-alpha swapping
The original sample was generated with invalid software.
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/dds.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/libavcodec/dds.c b/libavcodec/dds.c index fcfc84e28c..f549cadf57 100644 --- a/libavcodec/dds.c +++ b/libavcodec/dds.c @@ -45,7 +45,6 @@ enum DDSPostProc { DDS_ALPHA_EXP, DDS_NORMAL_MAP, DDS_RAW_YCOCG, - DDS_SWAP_ALPHA, DDS_SWIZZLE_A2XY, DDS_SWIZZLE_RBXG, DDS_SWIZZLE_RGXB, @@ -392,8 +391,6 @@ static int parse_pixel_format(AVCodecContext *avctx) ctx->postproc = DDS_NORMAL_MAP; else if (ycocg_classic && !ctx->compressed) ctx->postproc = DDS_RAW_YCOCG; - else if (avctx->pix_fmt == AV_PIX_FMT_YA8) - ctx->postproc = DDS_SWAP_ALPHA; /* ATI/NVidia variants sometimes add swizzling in bpp. */ switch (bpp) { @@ -540,15 +537,6 @@ static void run_postproc(AVCodecContext *avctx, AVFrame *frame) src[3] = a; } break; - case DDS_SWAP_ALPHA: - /* Alpha and Luma are stored swapped. */ - av_log(avctx, AV_LOG_DEBUG, "Post-processing swapped Luma/Alpha.\n"); - - for (i = 0; i < frame->linesize[0] * frame->height; i += 2) { - uint8_t *src = frame->data[0] + i; - FFSWAP(uint8_t, src[0], src[1]); - } - break; case DDS_SWIZZLE_A2XY: /* Swap R and G, often used to restore a standard RGTC2. */ av_log(avctx, AV_LOG_DEBUG, "Post-processing A2XY swizzle.\n"); |