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avcodec/rawdec: Fix 2bpp and 4bpp rawvideo in mov

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Restores carefully the old behaviour
(and does not break decoding avi samples).
Fixes Ticket2536

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Carl Eugen Hoyos 2013-06-14 02:08:31 +02:00 committed by Michael Niedermayer
parent f0bcb13aed
commit 565140da17
1 changed files with 8 additions and 3 deletions
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11
libavcodec/rawdec.c
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@ -133,12 +133,17 @@ static av_cold int raw_init_decoder(AVCodecContext *avctx)
memset(context->palette->data, 0, AVPALETTE_SIZE);
}
context->frame_size = avpicture_get_size(avctx->pix_fmt, avctx->width,
avctx->height);
if ((avctx->bits_per_coded_sample == 4 || avctx->bits_per_coded_sample == 2) &&
avctx->pix_fmt == AV_PIX_FMT_PAL8 &&
(!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' ')))
(!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' '))) {
context->is_2_4_bpp = 1;
context->frame_size = avpicture_get_size(avctx->pix_fmt,
FFALIGN(avctx->width, 16),
avctx->height);
} else {
context->frame_size = avpicture_get_size(avctx->pix_fmt, avctx->width,
avctx->height);
}
if ((avctx->extradata_size >= 9 &&
!memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9)) ||