summaryrefslogtreecommitdiff
path: root/libavcodec/vp8.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/vp8.c')
-rw-r--r--libavcodec/vp8.c43
1 files changed, 23 insertions, 20 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 30e24cc893..296eb98202 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -6,20 +6,20 @@
* Copyright (C) 2010 Jason Garrett-Glaser
* Copyright (C) 2012 Daniel Kang
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -115,7 +115,7 @@ static int update_dimensions(VP8Context *s, int width, int height)
AVCodecContext *avctx = s->avctx;
int i, ret;
- if (width != s->avctx->width ||
+ if (width != s->avctx->width || ((width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) && s->macroblocks_base ||
height != s->avctx->height) {
vp8_decode_flush_impl(s->avctx, 1);
@@ -382,7 +382,7 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
}
if (!s->macroblocks_base || /* first frame */
- width != s->avctx->width || height != s->avctx->height) {
+ width != s->avctx->width || height != s->avctx->height || (width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) {
if ((ret = update_dimensions(s, width, height)) < 0)
return ret;
}
@@ -664,7 +664,7 @@ void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
{
uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
- if (layout == 1) {
+ if (layout) {
VP8Macroblock *mb_top = mb - s->mb_width - 1;
memcpy(mb->intra4x4_pred_mode_top, mb_top->intra4x4_pred_mode_top, 4);
}
@@ -672,7 +672,7 @@ void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
int x, y;
uint8_t* top;
uint8_t* const left = s->intra4x4_pred_mode_left;
- if (layout == 1)
+ if (layout)
top = mb->intra4x4_pred_mode_top;
else
top = s->intra4x4_pred_mode_top + 4 * mb_x;
@@ -698,9 +698,10 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
{
VP56RangeCoder *c = &s->c;
- if (s->segmentation.update_map)
- *segment = vp8_rac_get_tree(c, vp8_segmentid_tree, s->prob->segmentid);
- else if (s->segmentation.enabled)
+ if (s->segmentation.update_map) {
+ int bit = vp56_rac_get_prob(c, s->prob->segmentid[0]);
+ *segment = vp56_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
+ } else if (s->segmentation.enabled)
*segment = ref ? *ref : *segment;
mb->segment = *segment;
@@ -713,7 +714,7 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
} else {
const uint32_t modes = vp8_pred4x4_mode[mb->mode] * 0x01010101u;
- if (s->mb_layout == 1)
+ if (s->mb_layout)
AV_WN32A(mb->intra4x4_pred_mode_top, modes);
else
AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
@@ -1176,7 +1177,8 @@ void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
src - my_idx * linesize - mx_idx,
EDGE_EMU_LINESIZE, linesize,
- block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ block_w + subpel_idx[1][mx],
+ block_h + subpel_idx[1][my],
x_off - mx_idx, y_off - my_idx, width, height);
src = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
src_linesize = EDGE_EMU_LINESIZE;
@@ -1229,7 +1231,8 @@ void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1, uint8_t *dst
s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
src1 - my_idx * linesize - mx_idx,
EDGE_EMU_LINESIZE, linesize,
- block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ block_w + subpel_idx[1][mx],
+ block_h + subpel_idx[1][my],
x_off - mx_idx, y_off - my_idx, width, height);
src1 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
mc_func[my_idx][mx_idx](dst1, linesize, src1, EDGE_EMU_LINESIZE, block_h, mx, my);
@@ -1237,9 +1240,10 @@ void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1, uint8_t *dst
s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
src2 - my_idx * linesize - mx_idx,
EDGE_EMU_LINESIZE, linesize,
- block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ block_w + subpel_idx[1][mx],
+ block_h + subpel_idx[1][my],
x_off - mx_idx, y_off - my_idx, width, height);
- src2 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE* my_idx;
+ src2 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
mc_func[my_idx][mx_idx](dst2, linesize, src2, EDGE_EMU_LINESIZE, block_h, mx, my);
} else {
mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
@@ -1891,10 +1895,8 @@ int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
curframe->tf.f->key_frame = s->keyframe;
curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
- if ((ret = vp8_alloc_frame(s, curframe, referenced))) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed!\n");
+ if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
goto err;
- }
// check if golden and altref are swapped
if (s->update_altref != VP56_FRAME_NONE) {
@@ -2008,7 +2010,7 @@ av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
ff_videodsp_init(&s->vdsp, 8);
ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1);
- ff_vp8dsp_init(&s->vp8dsp);
+ ff_vp8dsp_init(&s->vp8dsp, 0);
if ((ret = vp8_init_frames(s)) < 0) {
ff_vp8_decode_free(avctx);
@@ -2083,3 +2085,4 @@ AVCodec ff_vp8_decoder = {
.init_thread_copy = ONLY_IF_THREADS_ENABLED(vp8_decode_init_thread_copy),
.update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
};
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 14:36:41 +0000