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lavc/flicvideo: Implement padding in COPY chunks.

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Reviewed-by: Reimar
This commit is contained in:
Carl Eugen Hoyos 2016-03-26 14:56:55 +01:00
parent c06bdc60c9
commit de1a0d4359
1 changed files with 6 additions and 2 deletions
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8
libavcodec/flicvideo.c
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@ -423,7 +423,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
case FLI_COPY:
/* copy the chunk (uncompressed frame) */
if (chunk_size - 6 != s->avctx->width * s->avctx->height) {
if (chunk_size - 6 != FFALIGN(s->avctx->width, 4) * s->avctx->height) {
av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \
"has incorrect size, skipping chunk\n", chunk_size - 6);
bytestream2_skip(&g2, chunk_size - 6);
@ -432,6 +432,8 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
y_ptr += s->frame->linesize[0]) {
bytestream2_get_buffer(&g2, &pixels[y_ptr],
s->avctx->width);
if (s->avctx->width & 3)
bytestream2_skip(&g2, 4 - (s->avctx->width & 3));
}
}
break;
@ -711,7 +713,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
case FLI_COPY:
case FLI_DTA_COPY:
/* copy the chunk (uncompressed frame) */
if (chunk_size - 6 > (unsigned int)(s->avctx->width * s->avctx->height)*2) {
if (chunk_size - 6 > (unsigned int)(FFALIGN(s->avctx->width, 2) * s->avctx->height)*2) {
av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \
"bigger than image, skipping chunk\n", chunk_size - 6);
bytestream2_skip(&g2, chunk_size - 6);
@ -727,6 +729,8 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
pixel_ptr += 2;
pixel_countdown--;
}
if (s->avctx->width & 1)
bytestream2_skip(&g2, 2);
}
}
break;