virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-11-23 21:54:53 +02:00
Code Issues Releases Activity

lavc: Edge emulation with dst/src linesize

Browse Source 
Allow supporting files for which the image stride is smaller than
the maximum block size + number of subpel mc taps, e.g. a 64x64 VP9
file or a 16x16 VP8 file with -fflags +emu_edge.
This commit is contained in:
Ronald S. Bultje
2013-10-14 03:13:10 +02:00
committed by Luca Barbato
parent 3cbe112653
commit 458446acfa
16 changed files with 630 additions and 623 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
libavcodec/rv34.c
View File

@@ -723,12 +723,18 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type,
uint8_t *uvbuf = s->edge_emu_buffer + 22 * s->linesize;
srcY -= 2 + 2*s->linesize;
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
s->linesize, s->linesize,
(width << 3) + 6, (height << 3) + 6,
src_x - 2, src_y - 2, s->h_edge_pos, s->v_edge_pos);
srcY = s->edge_emu_buffer + 2 + 2*s->linesize;
s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, (width<<2)+1, (height<<2)+1,
s->vdsp.emulated_edge_mc(uvbuf, srcU,
s->uvlinesize,s->uvlinesize,
(width << 2) + 1, (height << 2) + 1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, (width<<2)+1, (height<<2)+1,
s->vdsp.emulated_edge_mc(uvbuf + 16, srcV,
s->uvlinesize, s->uvlinesize,
(width << 2) + 1, (height << 2) + 1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
srcU = uvbuf;
srcV = uvbuf + 16;