ffmpeg | branch: release/2.2 | Christophe Gisquet <christophe.gisq...@gmail.com> | Thu Oct 9 23:27:38 2014 +0200| [aa40f11b815a9a26aaa46198342749866fa18b27] | committer: Michael Niedermayer
utvideoenc: properly set slice height/last line Mimic decoder and obey sampling. Does not affect fate tests for utvideo. Fixes ticket #3949. Signed-off-by: Michael Niedermayer <michae...@gmx.at> (cherry picked from commit cb530dda7d76790b08ee3b7f67e251f3ce48c359) Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=aa40f11b815a9a26aaa46198342749866fa18b27 --- libavcodec/utvideoenc.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/libavcodec/utvideoenc.c b/libavcodec/utvideoenc.c index 0db85a8..1163cad 100644 --- a/libavcodec/utvideoenc.c +++ b/libavcodec/utvideoenc.c @@ -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) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
