return -1;
}
- for (is_alpha=0; is_alpha < 1+s->has_alpha; is_alpha++) {
- int mb_row, mb_col, mb_row_flip, mb_offset = 0;
- int block, y, uv;
- ptrdiff_t stride_y, stride_uv;
- int golden_frame = 0;
+ res = s->parse_header(s, buf, remaining_buf_size);
+ if (res < 0)
+ return res;
- s->modelp = &s->models[is_alpha];
+ if (res == VP56_SIZE_CHANGE) {
+ for (i = 0; i < 4; i++) {
+ av_frame_unref(s->frames[i]);
+ if (s->alpha_context)
+ av_frame_unref(s->alpha_context->frames[i]);
+ }
+ }
- res = s->parse_header(s, buf, remaining_buf_size, &golden_frame);
- if (res < 0) {
- int i;
- for (i = 0; i < 4; i++)
- av_frame_unref(s->frames[i]);
- return res;
+ if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0)
+ return -1;
+
+ if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P) {
+ av_frame_unref(s->alpha_context->frames[VP56_FRAME_CURRENT]);
+ if ((ret = av_frame_ref(s->alpha_context->frames[VP56_FRAME_CURRENT], p)) < 0) {
+ av_frame_unref(p);
+ return ret;
}
+ }
- if (res == VP56_SIZE_CHANGE) {
- int i;
- for (i = 0; i < 4; i++)
- av_frame_unref(s->frames[i]);
- if (is_alpha) {
- avcodec_set_dimensions(avctx, 0, 0);
- return -1;
- }
+ if (res == VP56_SIZE_CHANGE) {
+ if (vp56_size_changed(s)) {
+ av_frame_unref(p);
+ return -1;
}
+ }
- if (!is_alpha) {
- if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P) {
+ int bak_w = avctx->width;
+ int bak_h = avctx->height;
+ int bak_cw = avctx->coded_width;
+ int bak_ch = avctx->coded_height;
+ buf += alpha_offset;
+ remaining_buf_size -= alpha_offset;
+
+ res = s->alpha_context->parse_header(s->alpha_context, buf, remaining_buf_size);
+ if (res != 0) {
+ if(res==VP56_SIZE_CHANGE) {
+ av_log(avctx, AV_LOG_ERROR, "Alpha reconfiguration\n");
+ avctx->width = bak_w;
+ avctx->height = bak_h;
+ avctx->coded_width = bak_cw;
+ avctx->coded_height = bak_ch;
}
-
- if (res == VP56_SIZE_CHANGE)
- if (vp56_size_changed(avctx)) {
- av_frame_unref(p);
- return -1;
- }
+ av_frame_unref(p);
+ return -1;
}
+ }
- if (p->key_frame) {
- p->pict_type = AV_PICTURE_TYPE_I;
- s->default_models_init(s);
- for (block=0; block<s->mb_height*s->mb_width; block++)
- s->macroblocks[block].type = VP56_MB_INTRA;
- } else {
- p->pict_type = AV_PICTURE_TYPE_P;
- vp56_parse_mb_type_models(s);
- s->parse_vector_models(s);
- s->mb_type = VP56_MB_INTER_NOVEC_PF;
- }
+ avctx->execute2(avctx, ff_vp56_decode_mbs, 0, 0, (avctx->pix_fmt == AV_PIX_FMT_YUVA420P) + 1);
- if (s->parse_coeff_models(s))
- goto next;
+ if ((res = av_frame_ref(data, p)) < 0)
+ return res;
+ *got_frame = 1;
- memset(s->prev_dc, 0, sizeof(s->prev_dc));
- s->prev_dc[1][VP56_FRAME_CURRENT] = 128;
- s->prev_dc[2][VP56_FRAME_CURRENT] = 128;
+ return avpkt->size;
+}
- for (block=0; block < 4*s->mb_width+6; block++) {
- s->above_blocks[block].ref_frame = VP56_FRAME_NONE;
- s->above_blocks[block].dc_coeff = 0;
- s->above_blocks[block].not_null_dc = 0;
- }
- s->above_blocks[2*s->mb_width + 2].ref_frame = VP56_FRAME_CURRENT;
- s->above_blocks[3*s->mb_width + 4].ref_frame = VP56_FRAME_CURRENT;
+static int ff_vp56_decode_mbs(AVCodecContext *avctx, void *data,
+ int jobnr, int threadnr)
+{
+ VP56Context *s0 = avctx->priv_data;
+ int is_alpha = (jobnr == 1);
+ VP56Context *s = is_alpha ? s0->alpha_context : s0;
+ AVFrame *const p = s->frames[VP56_FRAME_CURRENT];
+ int mb_row, mb_col, mb_row_flip, mb_offset = 0;
- int block, y, uv, stride_y, stride_uv;
++ int block, y, uv;
++ ptrdiff_t stride_y, stride_uv;
+ int res;
+
+ if (p->key_frame) {
+ p->pict_type = AV_PICTURE_TYPE_I;
+ s->default_models_init(s);
+ for (block=0; block<s->mb_height*s->mb_width; block++)
+ s->macroblocks[block].type = VP56_MB_INTRA;
+ } else {
+ p->pict_type = AV_PICTURE_TYPE_P;
+ vp56_parse_mb_type_models(s);
+ s->parse_vector_models(s);
+ s->mb_type = VP56_MB_INTER_NOVEC_PF;
+ }
- stride_y = p->linesize[0];
- stride_uv = p->linesize[1];
+ if (s->parse_coeff_models(s))
+ goto next;
+ memset(s->prev_dc, 0, sizeof(s->prev_dc));
+ s->prev_dc[1][VP56_FRAME_CURRENT] = 128;
+ s->prev_dc[2][VP56_FRAME_CURRENT] = 128;
+
+ for (block=0; block < 4*s->mb_width+6; block++) {
+ s->above_blocks[block].ref_frame = VP56_FRAME_NONE;
+ s->above_blocks[block].dc_coeff = 0;
+ s->above_blocks[block].not_null_dc = 0;
+ }
+ s->above_blocks[2*s->mb_width + 2].ref_frame = VP56_FRAME_CURRENT;
+ s->above_blocks[3*s->mb_width + 4].ref_frame = VP56_FRAME_CURRENT;
+
+ stride_y = p->linesize[0];
+ stride_uv = p->linesize[1];
+
+ if (s->flip < 0)
+ mb_offset = 7;
+
+ /* main macroblocks loop */
+ for (mb_row=0; mb_row<s->mb_height; mb_row++) {
if (s->flip < 0)
- mb_offset = 7;
-
- /* main macroblocks loop */
- for (mb_row=0; mb_row<s->mb_height; mb_row++) {
- if (s->flip < 0)
- mb_row_flip = s->mb_height - mb_row - 1;
- else
- mb_row_flip = mb_row;
-
- for (block=0; block<4; block++) {
- s->left_block[block].ref_frame = VP56_FRAME_NONE;
- s->left_block[block].dc_coeff = 0;
- s->left_block[block].not_null_dc = 0;
- }
- memset(s->coeff_ctx, 0, sizeof(s->coeff_ctx));
- memset(s->coeff_ctx_last, 24, sizeof(s->coeff_ctx_last));
-
- s->above_block_idx[0] = 1;
- s->above_block_idx[1] = 2;
- s->above_block_idx[2] = 1;
- s->above_block_idx[3] = 2;
- s->above_block_idx[4] = 2*s->mb_width + 2 + 1;
- s->above_block_idx[5] = 3*s->mb_width + 4 + 1;
-
- s->block_offset[s->frbi] = (mb_row_flip*16 + mb_offset) * stride_y;
- s->block_offset[s->srbi] = s->block_offset[s->frbi] + 8*stride_y;
- s->block_offset[1] = s->block_offset[0] + 8;
- s->block_offset[3] = s->block_offset[2] + 8;
- s->block_offset[4] = (mb_row_flip*8 + mb_offset) * stride_uv;
- s->block_offset[5] = s->block_offset[4];
-
- for (mb_col=0; mb_col<s->mb_width; mb_col++) {
- vp56_decode_mb(s, mb_row, mb_col, is_alpha);
-
- for (y=0; y<4; y++) {
- s->above_block_idx[y] += 2;
- s->block_offset[y] += 16;
- }
+ mb_row_flip = s->mb_height - mb_row - 1;
+ else
+ mb_row_flip = mb_row;
- for (uv=4; uv<6; uv++) {
- s->above_block_idx[uv] += 1;
- s->block_offset[uv] += 8;
- }
- }
+ for (block=0; block<4; block++) {
+ s->left_block[block].ref_frame = VP56_FRAME_NONE;
+ s->left_block[block].dc_coeff = 0;
+ s->left_block[block].not_null_dc = 0;
}
+ memset(s->coeff_ctx, 0, sizeof(s->coeff_ctx));
+ memset(s->coeff_ctx_last, 24, sizeof(s->coeff_ctx_last));
+
+ s->above_block_idx[0] = 1;
+ s->above_block_idx[1] = 2;
+ s->above_block_idx[2] = 1;
+ s->above_block_idx[3] = 2;
+ s->above_block_idx[4] = 2*s->mb_width + 2 + 1;
+ s->above_block_idx[5] = 3*s->mb_width + 4 + 1;
+
+ s->block_offset[s->frbi] = (mb_row_flip*16 + mb_offset) * stride_y;
+ s->block_offset[s->srbi] = s->block_offset[s->frbi] + 8*stride_y;
+ s->block_offset[1] = s->block_offset[0] + 8;
+ s->block_offset[3] = s->block_offset[2] + 8;
+ s->block_offset[4] = (mb_row_flip*8 + mb_offset) * stride_uv;
+ s->block_offset[5] = s->block_offset[4];
+
+ for (mb_col=0; mb_col<s->mb_width; mb_col++) {
+ vp56_decode_mb(s, mb_row, mb_col, is_alpha);
+
+ for (y=0; y<4; y++) {
+ s->above_block_idx[y] += 2;
+ s->block_offset[y] += 16;
+ }
- next:
- if (p->key_frame || golden_frame) {
- av_frame_unref(s->frames[VP56_FRAME_GOLDEN]);
- if ((res = av_frame_ref(s->frames[VP56_FRAME_GOLDEN], p)) < 0)
- return res;
+ for (uv=4; uv<6; uv++) {
+ s->above_block_idx[uv] += 1;
+ s->block_offset[uv] += 8;
+ }
}
+ }
- if (s->has_alpha) {
- FFSWAP(AVFrame *, s->frames[VP56_FRAME_GOLDEN],
- s->frames[VP56_FRAME_GOLDEN2]);
- buf += alpha_offset;
- remaining_buf_size -= alpha_offset;
- }
+next:
+ if (p->key_frame || s->golden_frame) {
+ av_frame_unref(s->frames[VP56_FRAME_GOLDEN]);
+ if ((res = av_frame_ref(s->frames[VP56_FRAME_GOLDEN], p)) < 0)
+ return res;
}
av_frame_unref(s->frames[VP56_FRAME_PREVIOUS]);
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