diff options
Diffstat (limited to 'ffmpeg1/libavformat/cavsvideodec.c')
| -rw-r--r-- | ffmpeg1/libavformat/cavsvideodec.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/ffmpeg1/libavformat/cavsvideodec.c b/ffmpeg1/libavformat/cavsvideodec.c deleted file mode 100644 index c035128..0000000 --- a/ffmpeg1/libavformat/cavsvideodec.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * RAW Chinese AVS video demuxer - * Copyright (c) 2009 Stefan Gehrer <stefan.gehrer@gmx.de> - * - * 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. - * - * 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "avformat.h" -#include "rawdec.h" - -#define CAVS_SEQ_START_CODE 0x000001b0 -#define CAVS_PIC_I_START_CODE 0x000001b3 -#define CAVS_UNDEF_START_CODE 0x000001b4 -#define CAVS_PIC_PB_START_CODE 0x000001b6 -#define CAVS_VIDEO_EDIT_CODE 0x000001b7 -#define CAVS_PROFILE_JIZHUN 0x20 - -static int cavsvideo_probe(AVProbeData *p) -{ - uint32_t code= -1; - int pic=0, seq=0, slice_pos = 0; - int i; - - for(i=0; i<p->buf_size; i++){ - code = (code<<8) + p->buf[i]; - if ((code & 0xffffff00) == 0x100) { - if(code < CAVS_SEQ_START_CODE) { - /* slices have to be consecutive */ - if(code < slice_pos) - return 0; - slice_pos = code; - } else { - slice_pos = 0; - } - if (code == CAVS_SEQ_START_CODE) { - seq++; - /* check for the only currently supported profile */ - if(p->buf[i+1] != CAVS_PROFILE_JIZHUN) - return 0; - } else if ((code == CAVS_PIC_I_START_CODE) || - (code == CAVS_PIC_PB_START_CODE)) { - pic++; - } else if ((code == CAVS_UNDEF_START_CODE) || - (code > CAVS_VIDEO_EDIT_CODE)) { - return 0; - } - } - } - if(seq && seq*9<=pic*10) - return AVPROBE_SCORE_MAX/2; - return 0; -} - -FF_DEF_RAWVIDEO_DEMUXER(cavsvideo, "raw Chinese AVS (Audio Video Standard)", cavsvideo_probe, NULL, AV_CODEC_ID_CAVS) |
