diff options
Diffstat (limited to 'libavcodec/vp8.c')
-rw-r--r-- | libavcodec/vp8.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 2660395964..0e4a36d138 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 */ @@ -45,7 +45,6 @@ static void free_buffers(VP8Context *s) pthread_mutex_destroy(&s->thread_data[i].lock); #endif av_freep(&s->thread_data[i].filter_strength); - av_freep(&s->thread_data[i].edge_emu_buffer); } av_freep(&s->thread_data); av_freep(&s->macroblocks_base); @@ -116,7 +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); @@ -383,7 +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; } @@ -699,9 +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; @@ -1184,7 +1184,7 @@ void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst, uint8_t *src = ref->f->data[0]; if (AV_RN32A(mv)) { - + int src_linesize = linesize; int mx = (mv->x << 1)&7, mx_idx = subpel_idx[0][mx]; int my = (mv->y << 1)&7, my_idx = subpel_idx[0][my]; @@ -1198,12 +1198,14 @@ void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst, y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) { s->vdsp.emulated_edge_mc(td->edge_emu_buffer, src - my_idx * linesize - mx_idx, - linesize, linesize, - block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my], + 32, linesize, + 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 + linesize * my_idx; + src = td->edge_emu_buffer + mx_idx + 32 * my_idx; + src_linesize = 32; } - mc_func[my_idx][mx_idx](dst, linesize, src, linesize, block_h, mx, my); + mc_func[my_idx][mx_idx](dst, linesize, src, src_linesize, block_h, mx, my); } else { ff_thread_await_progress(ref, (3 + y_off + block_h) >> 4, 0); mc_func[0][0](dst, linesize, src + y_off * linesize + x_off, linesize, block_h, 0, 0); @@ -1250,19 +1252,21 @@ void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1, uint8_t *dst y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) { s->vdsp.emulated_edge_mc(td->edge_emu_buffer, src1 - my_idx * linesize - mx_idx, - linesize, linesize, - block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my], + 32, linesize, + 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 + linesize * my_idx; - mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my); + src1 = td->edge_emu_buffer + mx_idx + 32 * my_idx; + mc_func[my_idx][mx_idx](dst1, linesize, src1, 32, block_h, mx, my); s->vdsp.emulated_edge_mc(td->edge_emu_buffer, src2 - my_idx * linesize - mx_idx, - linesize, linesize, - block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my], + 32, linesize, + 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 + linesize * my_idx; - mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my); + src2 = td->edge_emu_buffer + mx_idx + 32 * my_idx; + mc_func[my_idx][mx_idx](dst2, linesize, src2, 32, block_h, mx, my); } else { mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my); mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my); @@ -1922,10 +1926,8 @@ 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) { @@ -1950,10 +1952,6 @@ int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, s->linesize = curframe->tf.f->linesize[0]; s->uvlinesize = curframe->tf.f->linesize[1]; - if (!s->thread_data[0].edge_emu_buffer) - for (i = 0; i < MAX_THREADS; i++) - s->thread_data[i].edge_emu_buffer = av_malloc(21*s->linesize); - memset(s->top_nnz, 0, s->mb_width*sizeof(*s->top_nnz)); /* Zero macroblock structures for top/top-left prediction from outside the frame. */ if (!s->mb_layout) @@ -2124,3 +2122,4 @@ 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), }; + |