Initial implementation of stream switching in AdaptiveDemuxer.

media/video/ffmpeg_video_decode_engine.cc

Index: media/video/ffmpeg_video_decode_engine.cc
diff --git a/media/video/ffmpeg_video_decode_engine.cc b/media/video/ffmpeg_video_decode_engine.cc
index 041309244d2c80f90618454ccef8e951ba2019e7..34cc90242fe1a54e7da82ebae02e83f6ede6c143 100644
--- a/media/video/ffmpeg_video_decode_engine.cc
+++ b/media/video/ffmpeg_video_decode_engine.cc
@@ -303,6 +303,17 @@ void FFmpegVideoDecodeEngine::DecodeFrame(scoped_refptr<Buffer> buffer) {
     video_frame = frame_queue_available_.front();
     frame_queue_available_.pop_front();
 
+    if ((video_frame->width() != codec_context_->width) ||
+        (video_frame->height() != codec_context_->height)) {
+

[Ami GONE FROM CHROMIUM, 2011/05/19 20:27:37]

extra newline

[acolwell GONE FROM CHROMIUM, 2011/05/20 01:26:37]

Done.

+      VideoFrame::CreateFrame(VideoFrame::YV12,
+                              codec_context_->width,
+                              codec_context_->height,
+                              kNoTimestamp,
+                              kNoTimestamp,
+                              &video_frame);
+    }
+
     // Copy the frame data since FFmpeg reuses internal buffers for AVFrame
     // output, meaning the data is only valid until the next
     // avcodec_decode_video() call.