Mpeg2TS - estimate duration for video frames.

media/formats/mp2t/mp2t_stream_parser.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/formats/mp2t/mp2t_stream_parser.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
@@ skipping 487 matching lines @@
     scoped_refptr<StreamParserBuffer> stream_parser_buffer) {
   DCHECK_EQ(pes_pid, selected_audio_pid_);
 
   DVLOG(LOG_LEVEL_ES)
       << "OnEmitAudioBuffer: "
       << " size="
       << stream_parser_buffer->data_size()
       << " dts="
       << stream_parser_buffer->GetDecodeTimestamp().InMilliseconds()
       << " pts="
-      << stream_parser_buffer->timestamp().InMilliseconds();
+      << stream_parser_buffer->timestamp().InMilliseconds()
+      << " dur="
+      << stream_parser_buffer->duration().InMilliseconds();
   stream_parser_buffer->set_timestamp(
       stream_parser_buffer->timestamp() - time_offset_);
   stream_parser_buffer->SetDecodeTimestamp(
       stream_parser_buffer->GetDecodeTimestamp() - time_offset_);
 
   // Ignore the incoming buffer if it is not associated with any config.
   if (buffer_queue_chain_.empty()) {
     DVLOG(1) << "Ignoring audio buffer with no corresponding audio config";
     return;
   }
 
   buffer_queue_chain_.back().audio_queue.push_back(stream_parser_buffer);
 }
 
 void Mp2tStreamParser::OnEmitVideoBuffer(
     int pes_pid,
     scoped_refptr<StreamParserBuffer> stream_parser_buffer) {
   DCHECK_EQ(pes_pid, selected_video_pid_);
 
   DVLOG(LOG_LEVEL_ES)
       << "OnEmitVideoBuffer"
       << " size="
       << stream_parser_buffer->data_size()
       << " dts="
       << stream_parser_buffer->GetDecodeTimestamp().InMilliseconds()
       << " pts="
       << stream_parser_buffer->timestamp().InMilliseconds()
+      << " dur="
+      << stream_parser_buffer->duration().InMilliseconds()
       << " IsKeyframe="
       << stream_parser_buffer->IsKeyframe();
   stream_parser_buffer->set_timestamp(
       stream_parser_buffer->timestamp() - time_offset_);
   stream_parser_buffer->SetDecodeTimestamp(
       stream_parser_buffer->GetDecodeTimestamp() - time_offset_);
 
   // Discard the incoming buffer:
   // - if it is not associated with any config,
   // - or if only non-key frames have been added to a new segment.
@@ skipping 99 matching lines @@
   while (!discarded_frames_dts_.empty()) {
     scoped_refptr<StreamParserBuffer> frame =
         StreamParserBuffer::CopyFrom(
             stream_parser_buffer->data(),
             stream_parser_buffer->data_size(),
             stream_parser_buffer->IsKeyframe(),
             stream_parser_buffer->type(),
             stream_parser_buffer->track_id());
     frame->SetDecodeTimestamp(discarded_frames_dts_.front());
     frame->set_timestamp(pts);
+    frame->set_duration(pts_delta);
     buffer_queue_chain_.back().video_queue.push_back(frame);
     pts += pts_delta;
     discarded_frames_dts_.pop_front();
   }
 }
 
 }  // namespace mp2t
 }  // namespace media