*
* Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * 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.
*
- * This library 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 this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
for (i=0; i<12; i++) {
v = (yuv[-pix2_inc] + 3*(yuv[0]-yuv[-pix_inc]) - yuv[pix_inc] + 4) >>3;
v = s->adjust(v, t);
- yuv[-pix_inc] = clip_uint8(yuv[-pix_inc] + v);
- yuv[0] = clip_uint8(yuv[0] - v);
+ yuv[-pix_inc] = av_clip_uint8(yuv[-pix_inc] + v);
+ yuv[0] = av_clip_uint8(yuv[0] - v);
yuv += line_inc;
}
}
int stride, int x, int y)
{
int plane = vp56_b6to3[b];
- uint8_t *dst= s->frames[VP56_FRAME_CURRENT].data[plane]+s->block_offset[b];
+ uint8_t *dst=s->framep[VP56_FRAME_CURRENT]->data[plane]+s->block_offset[b];
uint8_t *src_block;
int src_offset;
int overlap_offset = 0;
if (s->avctx->skip_loop_filter >= AVDISCARD_ALL ||
(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY
- && !s->frames[VP56_FRAME_CURRENT].key_frame))
+ && !s->framep[VP56_FRAME_CURRENT]->key_frame))
deblock_filtering = 0;
dx = s->mv[b].x / s->vp56_coord_div[b];
src_block = s->edge_emu_buffer;
src_offset = 2 + 2*stride;
} else if (deblock_filtering) {
- int i;
- src_block = s->edge_emu_buffer;
- src += s->block_offset[b] + (dy-2)*stride + (dx-2);
- for (i=0; i<12; i++) {
- memcpy(src_block, src, 12);
- src_block += stride;
- src += stride;
- }
+ /* only need a 12x12 block, but there is no such dsp function, */
+ /* so copy a 16x12 block */
+ s->dsp.put_pixels_tab[0][0](s->edge_emu_buffer,
+ src + s->block_offset[b] + (dy-2)*stride + (dx-2),
+ stride, 12);
src_block = s->edge_emu_buffer;
src_offset = 2 + 2*stride;
} else {
vp56_frame_t ref_frame;
int b, plan, off;
- if (s->frames[VP56_FRAME_CURRENT].key_frame)
+ if (s->framep[VP56_FRAME_CURRENT]->key_frame)
mb_type = VP56_MB_INTRA;
else
mb_type = vp56_decode_mv(s, row, col);
vp56_add_predictors_dc(s, ref_frame);
- frame_current = &s->frames[VP56_FRAME_CURRENT];
- frame_ref = &s->frames[ref_frame];
+ frame_current = s->framep[VP56_FRAME_CURRENT];
+ frame_ref = s->framep[ref_frame];
switch (mb_type) {
case VP56_MB_INTRA:
static int vp56_size_changed(AVCodecContext *avctx, vp56_context_t *s)
{
- int stride = s->frames[VP56_FRAME_CURRENT].linesize[0];
+ int stride = s->framep[VP56_FRAME_CURRENT]->linesize[0];
int i;
- s->plane_width[0] = s->avctx->width;
- s->plane_width[1] = s->plane_width[2] = s->avctx->width/2;
- s->plane_height[0] = s->avctx->height;
- s->plane_height[1] = s->plane_height[2] = s->avctx->height/2;
+ s->plane_width[0] = s->avctx->coded_width;
+ s->plane_width[1] = s->plane_width[2] = s->avctx->coded_width/2;
+ s->plane_height[0] = s->avctx->coded_height;
+ s->plane_height[1] = s->plane_height[2] = s->avctx->coded_height/2;
for (i=0; i<3; i++)
- s->stride[i] = s->flip * s->frames[VP56_FRAME_CURRENT].linesize[i];
+ s->stride[i] = s->flip * s->framep[VP56_FRAME_CURRENT]->linesize[i];
- s->mb_width = (s->avctx->width+15) / 16;
- s->mb_height = (s->avctx->height+15) / 16;
+ s->mb_width = (s->avctx->coded_width+15) / 16;
+ s->mb_height = (s->avctx->coded_height+15) / 16;
if (s->mb_width > 1000 || s->mb_height > 1000) {
av_log(avctx, AV_LOG_ERROR, "picture too big\n");
(4*s->mb_width+6) * sizeof(*s->above_blocks));
s->macroblocks = av_realloc(s->macroblocks,
s->mb_width*s->mb_height*sizeof(*s->macroblocks));
- s->edge_emu_buffer_alloc = av_realloc(s->edge_emu_buffer_alloc, 16*stride);
+ av_free(s->edge_emu_buffer_alloc);
+ s->edge_emu_buffer_alloc = av_malloc(16*stride);
s->edge_emu_buffer = s->edge_emu_buffer_alloc;
if (s->flip < 0)
s->edge_emu_buffer += 15 * stride;
uint8_t *buf, int buf_size)
{
vp56_context_t *s = avctx->priv_data;
- AVFrame *const p = &s->frames[VP56_FRAME_CURRENT];
- AVFrame *picture = data;
+ AVFrame *const p = s->framep[VP56_FRAME_CURRENT];
int mb_row, mb_col, mb_row_flip, mb_offset = 0;
int block, y, uv, stride_y, stride_uv;
int golden_frame = 0;
}
}
- if (s->frames[VP56_FRAME_PREVIOUS].data[0]
- && (s->frames[VP56_FRAME_PREVIOUS].data[0]
- != s->frames[VP56_FRAME_GOLDEN].data[0])) {
- avctx->release_buffer(avctx, &s->frames[VP56_FRAME_PREVIOUS]);
- }
+ if (s->framep[VP56_FRAME_PREVIOUS] == s->framep[VP56_FRAME_GOLDEN])
+ FFSWAP(AVFrame *, s->framep[VP56_FRAME_PREVIOUS],
+ s->framep[VP56_FRAME_UNUSED]);
+ else if (s->framep[VP56_FRAME_PREVIOUS]->data[0])
+ avctx->release_buffer(avctx, s->framep[VP56_FRAME_PREVIOUS]);
if (p->key_frame || golden_frame) {
- if (s->frames[VP56_FRAME_GOLDEN].data[0])
- avctx->release_buffer(avctx, &s->frames[VP56_FRAME_GOLDEN]);
- s->frames[VP56_FRAME_GOLDEN] = *p;
+ if (s->framep[VP56_FRAME_GOLDEN]->data[0])
+ avctx->release_buffer(avctx, s->framep[VP56_FRAME_GOLDEN]);
+ s->framep[VP56_FRAME_GOLDEN] = p;
}
- s->frames[VP56_FRAME_PREVIOUS] = *p;
+ FFSWAP(AVFrame *, s->framep[VP56_FRAME_CURRENT],
+ s->framep[VP56_FRAME_PREVIOUS]);
- *picture = *p;
- *data_size = sizeof(AVPicture);
+ *(AVFrame*)data = *p;
+ *data_size = sizeof(AVFrame);
return buf_size;
}
avcodec_set_dimensions(s->avctx, 0, 0);
for (i=0; i<3; i++)
- s->frames[i].data[0] = NULL;
+ s->framep[i] = &s->frames[i];
+ s->framep[VP56_FRAME_UNUSED] = s->framep[VP56_FRAME_GOLDEN];
s->edge_emu_buffer_alloc = NULL;
s->above_blocks = NULL;
av_free(s->above_blocks);
av_free(s->macroblocks);
av_free(s->edge_emu_buffer_alloc);
- if (s->frames[VP56_FRAME_GOLDEN].data[0]
- && (s->frames[VP56_FRAME_PREVIOUS].data[0]
- != s->frames[VP56_FRAME_GOLDEN].data[0]))
- avctx->release_buffer(avctx, &s->frames[VP56_FRAME_GOLDEN]);
- if (s->frames[VP56_FRAME_PREVIOUS].data[0])
- avctx->release_buffer(avctx, &s->frames[VP56_FRAME_PREVIOUS]);
+ if (s->framep[VP56_FRAME_GOLDEN]->data[0]
+ && (s->framep[VP56_FRAME_PREVIOUS] != s->framep[VP56_FRAME_GOLDEN]))
+ avctx->release_buffer(avctx, s->framep[VP56_FRAME_GOLDEN]);
+ if (s->framep[VP56_FRAME_PREVIOUS]->data[0])
+ avctx->release_buffer(avctx, s->framep[VP56_FRAME_PREVIOUS]);
return 0;
}