Remove FFmpegVideoDecodeEngine's dependency on AVStream.

First step of many towards removing DemuxerStream::QueryInterface, AVStreamProvider, and MediaFormat.

BUG=28206
TEST=media_unittests

Review URL: http://codereview.chromium.org/6624062

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@77476 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 46 insertions, 0 deletions

diff --git a/media/ffmpeg/ffmpeg_common.cc b/media/ffmpeg/ffmpeg_common.cc
index 244d2729..dce96a5 100644
--- a/media/ffmpeg/ffmpeg_common.cc
+++ b/media/ffmpeg/ffmpeg_common.cc
@@ -4,8 +4,50 @@
 
 #include "media/ffmpeg/ffmpeg_common.h"
 
+#include "base/logging.h"
+
 namespace media {
 
 // TODO(scherkus): combine ffmpeg_common.h with ffmpeg_util.h
 
+VideoCodec CodecIDToVideoCodec(CodecID codec_id) {
+  switch (codec_id) {
+    case CODEC_ID_VC1:
+      return kCodecVC1;
+    case CODEC_ID_H264:
+      return kCodecH264;
+    case CODEC_ID_THEORA:
+      return kCodecTheora;
+    case CODEC_ID_MPEG2VIDEO:
+      return kCodecMPEG2;
+    case CODEC_ID_MPEG4:
+      return kCodecMPEG4;
+    case CODEC_ID_VP8:
+      return kCodecVP8;
+    default:
+      NOTREACHED();
+  }
+  return kUnknown;
+}
+
+CodecID VideoCodecToCodecID(VideoCodec video_codec) {
+  switch (video_codec) {
+    case kCodecVC1:
+      return CODEC_ID_VC1;
+    case kCodecH264:
+      return CODEC_ID_H264;
+    case kCodecTheora:
+      return CODEC_ID_THEORA;
+    case kCodecMPEG2:
+      return CODEC_ID_MPEG2VIDEO;
+    case kCodecMPEG4:
+      return CODEC_ID_MPEG4;
+    case kCodecVP8:
+      return CODEC_ID_VP8;
+    default:
+      NOTREACHED();
+  }
+  return CODEC_ID_NONE;
+}
+
 }  // namespace media
diff --git a/media/ffmpeg/ffmpeg_common.h b/media/ffmpeg/ffmpeg_common.h
index 714a6a1..3b0d0ee 100644
--- a/media/ffmpeg/ffmpeg_common.h
+++ b/media/ffmpeg/ffmpeg_common.h
@@ -10,6 +10,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/singleton.h"
+#include "media/video/video_decode_engine.h"
 
 // Include FFmpeg header files.
 extern "C" {
@@ -48,6 +49,9 @@ class ScopedPtrAVFreePacket {
   }
 };
 
+VideoCodec CodecIDToVideoCodec(CodecID codec_id);
+CodecID VideoCodecToCodecID(VideoCodec video_codec);
+
 }  // namespace media
 
 #endif  // MEDIA_FFMPEG_FFMPEG_COMMON_H_