X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fvp56.c;h=e3634c8261782443ad43a98a58fc3cfb718e6ea8;hb=f683dbdc6a19c4d10e3d8cc7364ff034af53da70;hp=c69b1201d11f94afe7246dd05cf8040fd8b3c9b1;hpb=0dd5866af767953af61828504c2de662bb6ae49a;p=ffmpeg diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index c69b1201d11..e3634c82617 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -4,19 +4,21 @@ * * Copyright (C) 2006 Aurelien Jacobs * - * 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 - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "avcodec.h" @@ -306,8 +308,8 @@ static void vp56_edge_filter(vp56_context_t *s, uint8_t *yuv, 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; } } @@ -324,7 +326,7 @@ static void vp56_mc(vp56_context_t *s, int b, uint8_t *src, 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; @@ -335,7 +337,7 @@ static void vp56_mc(vp56_context_t *s, int b, uint8_t *src, 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]; @@ -358,14 +360,11 @@ static void vp56_mc(vp56_context_t *s, int b, uint8_t *src, 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 { @@ -401,7 +400,7 @@ static void vp56_decode_mb(vp56_context_t *s, int row, int col) 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); @@ -413,8 +412,8 @@ static void vp56_decode_mb(vp56_context_t *s, int row, int 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: @@ -460,19 +459,19 @@ static void vp56_decode_mb(vp56_context_t *s, int row, int col) 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"); @@ -483,7 +482,8 @@ static int vp56_size_changed(AVCodecContext *avctx, vp56_context_t *s) (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; @@ -495,8 +495,7 @@ int vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size, 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; @@ -594,20 +593,21 @@ int vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size, } } - 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; } @@ -627,7 +627,8 @@ void vp56_init(vp56_context_t *s, AVCodecContext *avctx, int flip) 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; @@ -655,11 +656,10 @@ int vp56_free(AVCodecContext *avctx) 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; }