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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2014-12-29 22:47:04 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2014-12-29 22:49:08 +0100 |
| commit | 7905bd55557323f72c00bf51a6a5cceabd3e81e5 (patch) | |
| tree | 406ca6f920da00eadb54c360959373d8734ef445 /libavcodec/r210dec.c | |
| parent | 256df8a2fafad64fc8797c2742d1a7187fd25b4c (diff) | |
Fix decoding for little endian Aja Kona 10-bit RGB.
The little endian fourcc is r10k, big endian uses R10k.
Reported and analyzed by Jason Freets, jasonslife hotmail
Diffstat (limited to 'libavcodec/r210dec.c')
| -rw-r--r-- | libavcodec/r210dec.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libavcodec/r210dec.c b/libavcodec/r210dec.c index 5dd2f0daae..a2e1a070e1 100644 --- a/libavcodec/r210dec.c +++ b/libavcodec/r210dec.c @@ -27,7 +27,11 @@ static av_cold int decode_init(AVCodecContext *avctx) { - avctx->pix_fmt = AV_PIX_FMT_RGB48; + if ((avctx->codec_tag & 0xFFFFFF) == MKTAG('r', '1', '0', 0)) { + avctx->pix_fmt = AV_PIX_FMT_BGR48; + } else { + avctx->pix_fmt = AV_PIX_FMT_RGB48; + } avctx->bits_per_raw_sample = 10; return 0; @@ -42,6 +46,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, int aligned_width = FFALIGN(avctx->width, avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64); uint8_t *dst_line; + int r10 = (avctx->codec_tag & 0xFFFFFF) == MKTAG('r', '1', '0', 0); if (avpkt->size < 4 * aligned_width * avctx->height) { av_log(avctx, AV_LOG_ERROR, "packet too small\n"); @@ -60,12 +65,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, for (w = 0; w < avctx->width; w++) { uint32_t pixel; uint16_t r, g, b; - if (avctx->codec_id==AV_CODEC_ID_AVRP) { + if (avctx->codec_id == AV_CODEC_ID_AVRP || r10) { pixel = av_le2ne32(*src++); } else { pixel = av_be2ne32(*src++); } - if (avctx->codec_id==AV_CODEC_ID_R210) { + if (avctx->codec_id == AV_CODEC_ID_R210 || r10) { b = pixel << 6; g = (pixel >> 4) & 0xffc0; r = (pixel >> 14) & 0xffc0; |