Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / dvdata.c

diff --git a/libavcodec/dvdata.c b/libavcodec/dvdata.c
index 6d123a974145e1962aa73f9f84019b9c04ee6e12..6a29a59e5e2ad4d3a31a79bf734f3eafc368a175 100644 (file)
--- a/libavcodec/dvdata.c
+++ b/libavcodec/dvdata.c
@@ -2,20 +2,20 @@
  * Constants for DV codec
  * Copyright (c) 2002 Fabrice Bellard
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -25,6 +25,7 @@
  */
 
 #include "libavutil/rational.h"
+#include "libavutil/intreadwrite.h"
 #include "libavutil/pixdesc.h"
 #include "avcodec.h"
 #include "dvdata.h"
@@ -284,12 +285,12 @@ static const DVprofile dv_profiles[] = {
     }
 };
 
-const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
+const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,
                                   const uint8_t* frame, unsigned buf_size)
 {
     int i, dsf, stype;
 
-    if (buf_size < 80 * 5 + 48 + 4)
+    if(buf_size < DV_PROFILE_BYTES)
         return NULL;
 
     dsf = (frame[3] & 0x80) >> 7;
@@ -300,6 +301,9 @@ const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
         return &dv_profiles[2];
     }
 
+    if(stype == 0 && codec && codec->codec_tag==AV_RL32("dvsd") && codec->coded_width==720 && codec->coded_height==576)
+        return &dv_profiles[1];
+
     for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
         if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
             return &dv_profiles[i];
@@ -308,17 +312,36 @@ const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
     if (sys && buf_size == sys->frame_size)
         return sys;
 
+    /* hack for trac issue #217, dv files created with QuickTime 3 */
+    if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff)
+        return &dv_profiles[dsf];
+
     return NULL;
 }
 
+const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
+                                  const uint8_t* frame, unsigned buf_size)
+{
+    return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size);
+}
+
 const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
 {
     int i;
+    int w, h;
+
+    if (codec->coded_width || codec->coded_height) {
+        w = codec->coded_width;
+        h = codec->coded_height;
+    } else {
+        w = codec->width;
+        h = codec->height;
+    }
 
     for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
-       if (codec->height  == dv_profiles[i].height  &&
-           codec->pix_fmt == dv_profiles[i].pix_fmt &&
-           codec->width   == dv_profiles[i].width)
+       if (h == dv_profiles[i].height  &&
+           codec->pix_fmt      == dv_profiles[i].pix_fmt &&
+           w == dv_profiles[i].width)
                return &dv_profiles[i];
 
     return NULL;