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Support FLIC in AVI.

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Paul B Mahol 2012-03-27 18:53:05 +00:00 committed by Michael Niedermayer
parent e206b51fd3
commit e4cc9f309e
2 changed files with 15 additions and 5 deletions
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19
libavcodec/flicvideo.c
View File

@ -85,8 +85,9 @@ static av_cold int flic_decode_init(AVCodecContext *avctx)
if (avctx->extradata_size != 0 &&
avctx->extradata_size != 12 &&
avctx->extradata_size != 128) {
av_log(avctx, AV_LOG_ERROR, "Expected extradata of 12 or 128 bytes\n");
avctx->extradata_size != 128 &&
avctx->extradata_size != 1024) {
av_log(avctx, AV_LOG_ERROR, "Expected extradata of 12, 128 or 1024 bytes\n");
return AVERROR_INVALIDDATA;
}
@ -96,6 +97,15 @@ static av_cold int flic_decode_init(AVCodecContext *avctx)
/* special case for magic carpet FLIs */
s->fli_type = FLC_MAGIC_CARPET_SYNTHETIC_TYPE_CODE;
depth = 8;
} else if (avctx->extradata_size == 1024) {
uint8_t *ptr = avctx->extradata;
int i;
for (i = 0; i < 256; i++) {
s->palette[i] = AV_RL32(ptr);
ptr += 4;
}
depth = 8;
} else if (avctx->extradata_size == 0) {
/* FLI in MOV, see e.g. FFmpeg trac issue #626 */
s->fli_type = FLI_TYPE_CODE;
@ -433,9 +443,8 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
}
/* by the end of the chunk, the stream ptr should equal the frame
* size (minus 1, possibly); if it doesn't, issue a warning */
if ((bytestream2_get_bytes_left(&g2) != 0) &&
(bytestream2_get_bytes_left(&g2) != 1))
* size (minus 1 or 2, possibly); if it doesn't, issue a warning */
if (bytestream2_get_bytes_left(&g2) > 2)
av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
"and final chunk ptr = %d\n", buf_size,
buf_size - bytestream2_get_bytes_left(&g2));

1
libavformat/riff.c
View File

@ -300,6 +300,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ CODEC_ID_DXTORY, MKTAG('x', 't', 'o', 'r') },
{ CODEC_ID_ZEROCODEC, MKTAG('Z', 'E', 'C', 'O') },
{ CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') },
{ CODEC_ID_FLIC, MKTAG('A', 'F', 'L', 'C') },
{ CODEC_ID_NONE, 0 }
};