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avcodec/asvenc: fix encoding dimensions %16 != 0 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-05-31 17:07:12 +02:00
parent 879aa062f9
commit e692c9672b
1 changed files with 42 additions and 0 deletions
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42
libavcodec/asvenc.c
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@ -181,6 +181,48 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int size, ret;
int mb_x, mb_y;
if (pict->width % 16 || pict->height % 16) {
AVFrame *clone = av_frame_alloc();
int i;
if (!clone)
return AVERROR(ENOMEM);
clone->format = pict->format;
clone->width = FFALIGN(pict->width, 16);
clone->height = FFALIGN(pict->height, 16);
ret = av_frame_get_buffer(clone, 32);
if (ret < 0) {
av_frame_free(&clone);
return ret;
}
ret = av_frame_copy(clone, pict);
if (ret < 0) {
av_frame_free(&clone);
return ret;
}
for (i = 0; i<3; i++) {
int x, y;
int w = FF_CEIL_RSHIFT(pict->width, !!i);
int h = FF_CEIL_RSHIFT(pict->height, !!i);
int w2 = FF_CEIL_RSHIFT(clone->width, !!i);
int h2 = FF_CEIL_RSHIFT(clone->height, !!i);
for (y=0; y<h; y++)
for (x=w; x<w2; x++)
clone->data[i][x + y*clone->linesize[i]] =
clone->data[i][w - 1 + y*clone->linesize[i]];
for (y=h; y<h2; y++)
for (x=0; x<w2; x++)
clone->data[i][x + y*clone->linesize[i]] =
clone->data[i][x + (h-1)*clone->linesize[i]];
}
ret = encode_frame(avctx, pkt, clone, got_packet);
av_frame_free(&clone);
return ret;
}
if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height*a->mb_width*MAX_MB_SIZE +
FF_MIN_BUFFER_SIZE)) < 0)
return ret;