Add wrapper class to media for support of VP9 video, and add a comman…

…d line flag to enable the support. This initial version of the wrapper provides support for decoding VP9 video in WebM container files, and is disabled by default. New flag added: --enable-vp9-playback BUG=166094 TEST=VP9 video in WebM containers plays back in <video> elements when --enable-vp9-playback is specified on the command line. Review URL: https://chromiumcodereview.appspot.com/11468018 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@174311 0039d316-1c4b-4281-b951-d872f2087c98
hylschwy · Dec 21, 2012 · f0811ff · f0811ff
1 parent 3507cc7
commit f0811ff
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Showing 13 changed files with 506 additions and 6 deletions.
diff --git a/DEPS b/DEPS
@@ -20,7 +20,7 @@ vars = {
 
   "libjingle_revision": "251",
   "libphonenumber_revision": "456",
-  "libvpx_revision": "173187",
+  "libvpx_revision": "174246",
   "lss_revision": "17",
 
   # These two FFmpeg variables must be updated together.  One is used for SVN

diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
@@ -6628,6 +6628,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_ENABLE_OPUS_PLAYBACK_DESCRIPTION" desc="Description for the flag to enable Opus playback in &lt;video&gt; elements.">
         Enable experimental Opus playback in the video element.
       </message>
+      <message name="IDS_FLAGS_ENABLE_VP9_PLAYBACK_NAME" desc="Title for the flag to enable VP9 playback in &lt;video&gt; elements.">
+        Enable VP9 playback in &lt;video&gt; elements.
+      </message>
+      <message name="IDS_FLAGS_ENABLE_VP9_PLAYBACK_DESCRIPTION" desc="Description for the flag to enable VP9 playback in &lt;video&gt; elements.">
+        Enable experimental VP9 playback in the video element.
+      </message>
       <message name="IDS_FLAGS_AURA_TRANSLUCENT_FRAMES_NAME" desc="Title for the flag to enable fancy translucent windows.">
         Translucent windows
       </message>

diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
@@ -643,6 +643,13 @@ const Experiment kExperiments[] = {
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableOpusPlayback)
   },
+  {
+    "enable-vp9-playback",
+    IDS_FLAGS_ENABLE_VP9_PLAYBACK_NAME,
+    IDS_FLAGS_ENABLE_VP9_PLAYBACK_DESCRIPTION,
+    kOsAll,
+    SINGLE_VALUE_TYPE(switches::kEnableVp9Playback)
+  },
 #if defined(USE_ASH)
   {
     "ash-disable-auto-window-placement",

diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
@@ -801,6 +801,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kDisableTouchAdjustment,
     switches::kEnableViewport,
     switches::kEnableOpusPlayback,
+    switches::kEnableVp9Playback,
     switches::kForceDeviceScaleFactor,
     switches::kFullMemoryCrashReport,
 #if !defined (GOOGLE_CHROME_BUILD)

diff --git a/media/DEPS b/media/DEPS
@@ -1,6 +1,7 @@
 include_rules = [
   "+jni",
   "+third_party/ffmpeg",
+  "+third_party/libvpx",
   "+third_party/openmax",
   "+third_party/opus",
   "+third_party/skia",

diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
@@ -64,4 +64,7 @@ const char kEnableEncryptedMedia[] = "enable-encrypted-media";
 // Enables Opus playback in media elements.
 const char kEnableOpusPlayback[] = "enable-opus-playback";
 
+// Enables VP9 playback in media elements.
+const char kEnableVp9Playback[] = "enable-vp9-playback";
+
 }  // namespace switches
diff --git a/media/base/media_switches.h b/media/base/media_switches.h
@@ -51,6 +51,8 @@ MEDIA_EXPORT extern const char kEnableEncryptedMedia[];
 
 MEDIA_EXPORT extern const char kEnableOpusPlayback[];
 
+MEDIA_EXPORT extern const char kEnableVp9Playback[];
+
 }  // namespace switches
 
 #endif  // MEDIA_BASE_MEDIA_SWITCHES_H_
diff --git a/media/base/video_decoder_config.h b/media/base/video_decoder_config.h
@@ -27,12 +27,13 @@ enum VideoCodec {
   kCodecMPEG4,
   kCodecTheora,
   kCodecVP8,
+  kCodecVP9,
   // DO NOT ADD RANDOM VIDEO CODECS!
   //
   // The only acceptable time to add a new codec is if there is production code
   // that uses said codec in the same CL.
 
-  kVideoCodecMax = kCodecVP8  // Must equal the last "real" codec above.
+  kVideoCodecMax = kCodecVP9  // Must equal the last "real" codec above.
 };
 
 // Video stream profile.  This *must* match PP_VideoDecoder_Profile.
@@ -58,7 +59,10 @@ enum VideoCodecProfile {
   VP8PROFILE_MIN = 11,
   VP8PROFILE_MAIN = VP8PROFILE_MIN,
   VP8PROFILE_MAX = VP8PROFILE_MAIN,
-  VIDEO_CODEC_PROFILE_MAX = VP8PROFILE_MAX,
+  VP9PROFILE_MIN = 12,
+  VP9PROFILE_MAIN = VP9PROFILE_MIN,
+  VP9PROFILE_MAX = VP9PROFILE_MAIN,
+  VIDEO_CODEC_PROFILE_MAX = VP9PROFILE_MAX,
 };
 
 class MEDIA_EXPORT VideoDecoderConfig {

diff --git a/media/ffmpeg/ffmpeg_common.cc b/media/ffmpeg/ffmpeg_common.cc
@@ -10,6 +10,10 @@
 #include "media/base/video_frame.h"
 #include "media/base/video_util.h"
 
+// TODO(tomfinegan): Remove this once FFmpeg rolls for M25. The VP9 patch is in
+// tree, but this is required until the roll happens.
+#define AV_CODEC_ID_VP9 170
+
 namespace media {
 
 // Why FF_INPUT_BUFFER_PADDING_SIZE? FFmpeg assumes all input buffers are
@@ -149,6 +153,11 @@ VideoCodec CodecIDToVideoCodec(CodecID codec_id) {
     case CODEC_ID_VP8:
       return kCodecVP8;
     default:
+      if (codec_id == AV_CODEC_ID_VP9) {
+        // TODO(tomfinegan): Remove this once FFmpeg rolls for M25, and
+        // AV_CODEC_ID_VP9 is part of CodecID.
+        return kCodecVP9;
+      }
       DVLOG(1) << "Unknown video CodecID: " << codec_id;
   }
   return kUnknownVideoCodec;
@@ -168,6 +177,10 @@ static CodecID VideoCodecToCodecID(VideoCodec video_codec) {
       return CODEC_ID_MPEG4;
     case kCodecVP8:
       return CODEC_ID_VP8;
+    case kCodecVP9:
+      // TODO(tomfinegan): Remove this cast once FFmpeg rolls for M25, and the
+      // local define for AV_CODEC_ID_VP9 is removed.
+      return static_cast<CodecID>(AV_CODEC_ID_VP9);
     default:
       DVLOG(1) << "Unknown VideoCodec: " << video_codec;
   }
@@ -311,13 +324,28 @@ void AVStreamToVideoDecoderConfig(
     aspect_ratio = stream->codec->sample_aspect_ratio;
 
   VideoCodec codec = CodecIDToVideoCodec(stream->codec->codec_id);
-  VideoCodecProfile profile = (codec == kCodecVP8) ? VP8PROFILE_MAIN :
-      ProfileIDToVideoCodecProfile(stream->codec->profile);
+
+  VideoCodecProfile profile = VIDEO_CODEC_PROFILE_UNKNOWN;
+  if (codec == kCodecVP8)
+    profile = VP8PROFILE_MAIN;
+  else if (codec == kCodecVP9)
+    profile = VP9PROFILE_MAIN;
+  else
+    profile = ProfileIDToVideoCodecProfile(stream->codec->profile);
+
   gfx::Size natural_size = GetNaturalSize(
       visible_rect.size(), aspect_ratio.num, aspect_ratio.den);
+
+  VideoFrame::Format format = PixelFormatToVideoFormat(stream->codec->pix_fmt);
+  if (codec == kCodecVP9) {
+    // TODO(tomfinegan): libavcodec doesn't know about VP9.
+    format = VideoFrame::YV12;
+    coded_size = natural_size;
+  }
+
   config->Initialize(codec,
                      profile,
-                     PixelFormatToVideoFormat(stream->codec->pix_fmt),
+                     format,
                      coded_size, visible_rect, natural_size,
                      stream->codec->extradata, stream->codec->extradata_size,
                      false,  // Not encrypted.