--- /dev/null
+/*
+ * RAW H.264 video demuxer
+ * Copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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 "raw.h"
+
+static int h264_probe(AVProbeData *p)
+{
+ uint32_t code= -1;
+ int sps=0, pps=0, idr=0, res=0, sli=0;
+ int i;
+
+ for(i=0; i<p->buf_size; i++){
+ code = (code<<8) + p->buf[i];
+ if ((code & 0xffffff00) == 0x100) {
+ int ref_idc= (code>>5)&3;
+ int type = code & 0x1F;
+ static const int8_t ref_zero[32]={
+ 2, 0, 0, 0, 0,-1, 1,-1,
+ -1, 1, 1, 1, 1,-1, 2, 2,
+ 2, 2, 2, 0, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2
+ };
+
+ if(code & 0x80) //forbidden bit
+ return 0;
+
+ if(ref_zero[type] == 1 && ref_idc)
+ return 0;
+ if(ref_zero[type] ==-1 && !ref_idc)
+ return 0;
+ if(ref_zero[type] == 2)
+ res++;
+
+ switch(type){
+ case 1: sli++; break;
+ case 5: idr++; break;
+ case 7:
+ if(p->buf[i+2]&0x0F)
+ return 0;
+ sps++;
+ break;
+ case 8: pps++; break;
+ }
+ }
+ }
+ if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
+ return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
+ return 0;
+}
+
+AVInputFormat h264_demuxer = {
+ "h264",
+ NULL_IF_CONFIG_SMALL("raw H.264 video format"),
+ 0,
+ h264_probe,
+ ff_raw_video_read_header,
+ ff_raw_read_partial_packet,
+ .flags= AVFMT_GENERIC_INDEX,
+ .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
+ .value = CODEC_ID_H264,
+};
}
#endif
-#if CONFIG_H264_DEMUXER
-static int h264_probe(AVProbeData *p)
-{
- uint32_t code= -1;
- int sps=0, pps=0, idr=0, res=0, sli=0;
- int i;
-
- for(i=0; i<p->buf_size; i++){
- code = (code<<8) + p->buf[i];
- if ((code & 0xffffff00) == 0x100) {
- int ref_idc= (code>>5)&3;
- int type = code & 0x1F;
- static const int8_t ref_zero[32]={
- 2, 0, 0, 0, 0,-1, 1,-1,
- -1, 1, 1, 1, 1,-1, 2, 2,
- 2, 2, 2, 0, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2
- };
-
- if(code & 0x80) //forbidden bit
- return 0;
-
- if(ref_zero[type] == 1 && ref_idc)
- return 0;
- if(ref_zero[type] ==-1 && !ref_idc)
- return 0;
- if(ref_zero[type] == 2)
- res++;
-
- switch(type){
- case 1: sli++; break;
- case 5: idr++; break;
- case 7:
- if(p->buf[i+2]&0x0F)
- return 0;
- sps++;
- break;
- case 8: pps++; break;
- }
- }
- }
- if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
- return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
- return 0;
-}
-#endif
-
#if CONFIG_H263_DEMUXER
static int h263_probe(AVProbeData *p)
{
};
#endif
-#if CONFIG_H264_DEMUXER
-AVInputFormat h264_demuxer = {
- "h264",
- NULL_IF_CONFIG_SMALL("raw H.264 video format"),
- 0,
- h264_probe,
- ff_raw_video_read_header,
- ff_raw_read_partial_packet,
- .flags= AVFMT_GENERIC_INDEX,
- .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
- .value = CODEC_ID_H264,
-};
-#endif
-
#if CONFIG_H264_MUXER
AVOutputFormat h264_muxer = {
"h264",