FFmpeg fixups for M33 roll. Now with more Opus!

media/filters/ffmpeg_video_decoder.cc

Index: media/filters/ffmpeg_video_decoder.cc
diff --git a/media/filters/ffmpeg_video_decoder.cc b/media/filters/ffmpeg_video_decoder.cc
index 75289cef27bf26bb88d102931ca155e9ca2d6144..78815e79b8d62c99ef73ef8bf36b4d5d027d59d5 100644
--- a/media/filters/ffmpeg_video_decoder.cc
+++ b/media/filters/ffmpeg_video_decoder.cc
@@ -104,8 +104,6 @@ int FFmpegVideoDecoder::GetVideoBuffer(AVCodecContext* codec_context,
   frame->opaque = NULL;
   video_frame.swap(reinterpret_cast<VideoFrame**>(&frame->opaque));
   frame->type = FF_BUFFER_TYPE_USER;
-  frame->pkt_pts = codec_context->pkt ? codec_context->pkt->pts :
-                                        AV_NOPTS_VALUE;
   frame->width = codec_context->width;
   frame->height = codec_context->height;
   frame->format = codec_context->pix_fmt;
@@ -382,7 +380,7 @@ bool FFmpegVideoDecoder::ConfigureDecoder() {
     return false;
   }
 
-  av_frame_.reset(avcodec_alloc_frame());
+  av_frame_.reset(av_frame_alloc());
   return true;
 }