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utvideoenc: properly set slice height/last line

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Mimic decoder and obey sampling.

Does not affect fate tests for utvideo.
Fixes ticket #3949.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cb530dda7d)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet
2014-10-09 23:27:38 +02:00
committed by Michael Niedermayer
parent 3bb4c3e74d
commit aa40f11b81
1 changed files with 9 additions and 8 deletions
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17
libavcodec/utvideoenc.c
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@@ -387,7 +387,7 @@ static int write_huff_codes(uint8_t *src, uint8_t *dst, int dst_size,
}
static int encode_plane(AVCodecContext *avctx, uint8_t *src,
uint8_t *dst, int stride,
uint8_t *dst, int stride, int plane_no,
int width, int height, PutByteContext *pb)
{
UtvideoContext *c = avctx->priv_data;
@@ -397,6 +397,7 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
HuffEntry he[256];
uint32_t offset = 0, slice_len = 0;
const int cmask = ~(!plane_no && avctx->pix_fmt == AV_PIX_FMT_YUV420P);
int i, sstart, send = 0;
int symbol;
int ret;
@@ -406,7 +407,7 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
case PRED_NONE:
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
send = height * (i + 1) / c->slices & cmask;
av_image_copy_plane(dst + sstart * width, width,
src + sstart * stride, stride,
width, send - sstart);
@@ -415,7 +416,7 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
case PRED_LEFT:
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
send = height * (i + 1) / c->slices & cmask;
left_predict(src + sstart * stride, dst + sstart * width,
stride, width, send - sstart);
}
@@ -423,7 +424,7 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
case PRED_MEDIAN:
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
send = height * (i + 1) / c->slices & cmask;
median_predict(c, src + sstart * stride, dst + sstart * width,
stride, width, send - sstart);
}
@@ -487,7 +488,7 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
send = 0;
for (i = 0; i < c->slices; i++) {
sstart = send;
send = height * (i + 1) / c->slices;
send = height * (i + 1) / c->slices & cmask;
/*
* Write the huffman codes to a buffer,
@@ -569,7 +570,7 @@ static int utvideo_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
case AV_PIX_FMT_RGBA:
for (i = 0; i < c->planes; i++) {
ret = encode_plane(avctx, c->slice_buffer[i] + 2 * c->slice_stride,
c->slice_buffer[i], c->slice_stride,
c->slice_buffer[i], c->slice_stride, i,
width, height, &pb);
if (ret) {
@@ -581,7 +582,7 @@ static int utvideo_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
case AV_PIX_FMT_YUV422P:
for (i = 0; i < c->planes; i++) {
ret = encode_plane(avctx, pic->data[i], c->slice_buffer[0],
pic->linesize[i], width >> !!i, height, &pb);
pic->linesize[i], i, width >> !!i, height, &pb);
if (ret) {
av_log(avctx, AV_LOG_ERROR, "Error encoding plane %d.\n", i);
@@ -592,7 +593,7 @@ static int utvideo_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
case AV_PIX_FMT_YUV420P:
for (i = 0; i < c->planes; i++) {
ret = encode_plane(avctx, pic->data[i], c->slice_buffer[0],
pic->linesize[i], width >> !!i, height >> !!i,
pic->linesize[i], i, width >> !!i, height >> !!i,
&pb);
if (ret) {