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authorMichael Niedermayer <michaelni@gmx.at>2015-01-17 23:01:17 +0100
committerMichael Niedermayer <michaelni@gmx.at>2015-01-17 23:01:33 +0100
commit3cc8822c93e97e61308f440e62766f16819aad77 (patch)
tree7a09b00b64f0ffc2e92ad60c577631d141fe0613
parent05b1ac24709b4e6ccc96d6c41c14ef915110a868 (diff)
parent3d0752d82f8eaa326cff306ae50b0186a5b4d304 (diff)
downloadffmpeg-3cc8822c93e97e61308f440e62766f16819aad77.tar.gz
Merge commit '3d0752d82f8eaa326cff306ae50b0186a5b4d304' into release/2.4
* commit '3d0752d82f8eaa326cff306ae50b0186a5b4d304': xsub: Support DXSA subtitles Conflicts: libavcodec/xsubdec.c See: d6f910ea47255b519e0b71c33d74c409a29ab3db Merged-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/xsubdec.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/libavcodec/xsubdec.c b/libavcodec/xsubdec.c
index 174d74ed81..94a68e2bb4 100644
--- a/libavcodec/xsubdec.c
+++ b/libavcodec/xsubdec.c
@@ -59,7 +59,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
int has_alpha = avctx->codec_tag == MKTAG('D','X','S','A');
// check that at least header fits
- if (buf_size < 27 + 7 * 2 + 4 * 3) {
+ if (buf_size < 27 + 7 * 2 + 4 * (3 + has_alpha)) {
av_log(avctx, AV_LOG_ERROR, "coded frame size %d too small\n", buf_size);
return -1;
}
@@ -106,9 +106,15 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
// read palette
for (i = 0; i < sub->rects[0]->nb_colors; i++)
((uint32_t*)sub->rects[0]->pict.data[1])[i] = bytestream_get_be24(&buf);
- // make all except background (first entry) non-transparent
- for (i = 0; i < sub->rects[0]->nb_colors; i++)
- ((uint32_t*)sub->rects[0]->pict.data[1])[i] |= (has_alpha ? *buf++ : (i ? 0xff : 0)) << 24;
+
+ if (!has_alpha) {
+ // make all except background (first entry) non-transparent
+ for (i = 1; i < sub->rects[0]->nb_colors; i++)
+ ((uint32_t *)sub->rects[0]->pict.data[1])[i] |= 0xff000000;
+ } else {
+ for (i = 0; i < sub->rects[0]->nb_colors; i++)
+ ((uint32_t *)sub->rects[0]->pict.data[1])[i] |= *buf++ << 24;
+ }
// process RLE-compressed data
init_get_bits(&gb, buf, (buf_end - buf) * 8);