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author | Steven Johnson <> | 2006-11-24 00:16:32 +0000 |
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committer | Alex Beregszaszi <alex@rtfs.hu> | 2006-11-24 00:16:32 +0000 |
commit | fce2200da05d66d59f3e34e5af836a7c7550cb44 (patch) | |
tree | ce48daafaa46d2347103b9d9da5af04b2bcc3516 /libavcodec | |
parent | 37e6f5f321d2c0a0bd6b21fb4c19cba366061a59 (diff) | |
download | ffmpeg-streaming-fce2200da05d66d59f3e34e5af836a7c7550cb44.zip ffmpeg-streaming-fce2200da05d66d59f3e34e5af836a7c7550cb44.tar.gz |
Implement DELTA_FLI opcodes correctly. Patch by Steven Johnson
Originally committed as revision 7165 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/flicvideo.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c index 6a80a15..9cbc4f3 100644 --- a/libavcodec/flicvideo.c +++ b/libavcodec/flicvideo.c @@ -246,9 +246,15 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, while (compressed_lines > 0) { line_packets = LE_16(&buf[stream_ptr]); stream_ptr += 2; - if (line_packets < 0) { + if ((line_packets & 0xC000) == 0xC000) { + // line skip opcode line_packets = -line_packets; y_ptr += line_packets * s->frame.linesize[0]; + } else if ((line_packets & 0xC000) == 0x4000) { + av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets); + } else if ((line_packets & 0xC000) == 0x8000) { + // "last byte" opcode + pixels[y_ptr + s->frame.linesize[0] - 1] = line_packets & 0xff; } else { compressed_lines--; pixel_ptr = y_ptr; |