videolan
/
ffmpeg
mirror of https://git.videolan.org/git/ffmpeg.git
1
Fork 0
Code Releases Activity

Merge commit '4620affa24eedb167482198aa04126bcedd05620' 

* commit '4620affa24eedb167482198aa04126bcedd05620':
  m4vdec: K&R formatting cosmetics

Conflicts:
	libavformat/m4vdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-09-25 14:02:55 +02:00
parent 59f4966756 4620affa24
commit 454f98b881
1 changed files with 18 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
libavformat/m4vdec.c
View File

@ -27,28 +27,34 @@
static int mpeg4video_probe(AVProbeData *probe_packet)
{
uint32_t temp_buffer= -1;
int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
uint32_t temp_buffer = -1;
int VO = 0, VOL = 0, VOP = 0, VISO = 0, res = 0;
int i;
for(i=0; i<probe_packet->buf_size; i++){
temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
for (i = 0; i < probe_packet->buf_size; i++) {
temp_buffer = (temp_buffer << 8) + probe_packet->buf[i];
if (temp_buffer & 0xfffffe00)
continue;
if (temp_buffer < 2)
continue;
if (temp_buffer == VOP_START_CODE) VOP++;
else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++;
else if (temp_buffer >= 0x100 && temp_buffer < 0x120) VO++;
else if (temp_buffer >= 0x120 && temp_buffer < 0x130) VOL++;
else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
&& !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
if (temp_buffer == VOP_START_CODE)
VOP++;
else if (temp_buffer == VISUAL_OBJECT_START_CODE)
VISO++;
else if (temp_buffer >= 0x100 && temp_buffer < 0x120)
VO++;
else if (temp_buffer >= 0x120 && temp_buffer < 0x130)
VOL++;
else if (!(0x1AF < temp_buffer && temp_buffer < 0x1B7) &&
!(0x1B9 < temp_buffer && temp_buffer < 0x1C4))
res++;
}
if (VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
if (VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res == 0)
return VOP+VO > 4 ? AVPROBE_SCORE_EXTENSION : AVPROBE_SCORE_EXTENSION/2;
return 0;
}
FF_DEF_RAWVIDEO_DEMUXER(m4v, "raw MPEG-4 video", mpeg4video_probe, "m4v", AV_CODEC_ID_MPEG4)
FF_DEF_RAWVIDEO_DEMUXER(m4v, "raw MPEG-4 video", mpeg4video_probe, "m4v",
AV_CODEC_ID_MPEG4)