chromecast/media/cma/test/demuxer_stream_for_test.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/threading/thread.h"
   6 #include "chromecast/media/cma/test/demuxer_stream_for_test.h"
   7
   8 namespace chromecast {
   9 namespace media {
  10
  11 DemuxerStreamForTest::DemuxerStreamForTest(int total_frames,
  12                                            int cycle_count,
  13                                            int delayed_frame_count,
  14                                            const std::list<int>& config_idx)
  15     : total_frame_count_(total_frames),
  16       cycle_count_(cycle_count),
  17       delayed_frame_count_(delayed_frame_count),
  18       config_idx_(config_idx),
  19       frame_count_(0),
  20       has_pending_read_(false) {
  21   DCHECK_LE(delayed_frame_count, cycle_count);
  22 }
  23
  24 DemuxerStreamForTest::~DemuxerStreamForTest() {
  25 }
  26
  27 void DemuxerStreamForTest::Read(const ReadCB& read_cb) {
  28   has_pending_read_ = true;
  29   if (!config_idx_.empty() && config_idx_.front() == frame_count_) {
  30     config_idx_.pop_front();
  31     has_pending_read_ = false;
  32     read_cb.Run(kConfigChanged, scoped_refptr<::media::DecoderBuffer>());
  33     return;
  34   }
  35
  36   if ((frame_count_ % cycle_count_) < delayed_frame_count_) {
  37     base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
  38         FROM_HERE, base::Bind(&DemuxerStreamForTest::DoRead,
  39                               base::Unretained(this), read_cb),
  40         base::TimeDelta::FromMilliseconds(20));
  41     return;
  42   }
  43   DoRead(read_cb);
  44 }
  45
  46 ::media::AudioDecoderConfig DemuxerStreamForTest::audio_decoder_config() {
  47   NOTREACHED() << "DemuxerStreamForTest is a video DemuxerStream";
  48   return ::media::AudioDecoderConfig();
  49 }
  50
  51 ::media::VideoDecoderConfig DemuxerStreamForTest::video_decoder_config() {
  52   gfx::Size coded_size(640, 480);
  53   gfx::Rect visible_rect(640, 480);
  54   gfx::Size natural_size(640, 480);
  55   return ::media::VideoDecoderConfig(
  56       ::media::kCodecH264, ::media::VIDEO_CODEC_PROFILE_UNKNOWN,
  57       ::media::PIXEL_FORMAT_YV12, ::media::COLOR_SPACE_UNSPECIFIED, coded_size,
  58       visible_rect, natural_size, NULL, 0, false);
  59 }
  60
  61 ::media::DemuxerStream::Type DemuxerStreamForTest::type() const {
  62   return VIDEO;
  63 }
  64
  65 bool DemuxerStreamForTest::SupportsConfigChanges() {
  66   return true;
  67 }
  68
  69 ::media::VideoRotation DemuxerStreamForTest::video_rotation() {
  70   return ::media::VIDEO_ROTATION_0;
  71 }
  72
  73 void DemuxerStreamForTest::DoRead(const ReadCB& read_cb) {
  74   has_pending_read_ = false;
  75
  76   if (total_frame_count_ != -1 && frame_count_ >= total_frame_count_) {
  77     // End of stream
  78     read_cb.Run(kOk, ::media::DecoderBuffer::CreateEOSBuffer());
  79     return;
  80   }
  81
  82   scoped_refptr<::media::DecoderBuffer> buffer(new ::media::DecoderBuffer(16));
  83   buffer->set_timestamp(frame_count_ * base::TimeDelta::FromMilliseconds(
  84                                            kDemuxerStreamForTestFrameDuration));
  85   frame_count_++;
  86   read_cb.Run(kOk, buffer);
  87 }
  88
  89 }  // namespace media
  90 }  // namespace chromecast