Imported Debian version 2.5.0~trusty1.1

[deb_ffmpeg.git] / ffmpeg / libavformat / m4vdec.c

diff --git a/ffmpeg/libavformat/m4vdec.c b/ffmpeg/libavformat/m4vdec.c
index 80bd75e589f894903845725bbd35e42e77f173f1..d8ee530010aafce797763e89e3d5733251f184c6 100644 (file)
--- a/ffmpeg/libavformat/m4vdec.c
+++ b/ffmpeg/libavformat/m4vdec.c
@@ -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_DEMUXER2(m4v, "raw MPEG-4 video", mpeg4video_probe, "m4v",
+                         AV_CODEC_ID_MPEG4, AVFMT_GENERIC_INDEX | AVFMT_TS_DISCONT)