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Unified Diff: media/filters/fake_demuxer_stream.cc

Issue 1137263002: Chromecast: adds CmaRenderer test coverage. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: moved FakeDemuxerStreamProvider to media/base/ Created 5 years, 7 months ago
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Index: media/filters/fake_demuxer_stream.cc
diff --git a/media/filters/fake_demuxer_stream.cc b/media/filters/fake_demuxer_stream.cc
deleted file mode 100644
index 15748d5ce46923253bf28988f203ce7daa5e8ea9..0000000000000000000000000000000000000000
--- a/media/filters/fake_demuxer_stream.cc
+++ /dev/null
@@ -1,196 +0,0 @@
-// Copyright (c) 2013 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/filters/fake_demuxer_stream.h"
-
-#include "base/bind.h"
-#include "base/callback_helpers.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
-#include "media/base/bind_to_current_loop.h"
-#include "media/base/decoder_buffer.h"
-#include "media/base/test_helpers.h"
-#include "media/base/video_frame.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace media {
-
-const int kStartTimestampMs = 0;
-const int kDurationMs = 30;
-const int kStartWidth = 320;
-const int kStartHeight = 240;
-const int kWidthDelta = 4;
-const int kHeightDelta = 3;
-const uint8 kKeyId[] = { 0x00, 0x01, 0x02, 0x03 };
-const uint8 kIv[] = {
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-FakeDemuxerStream::FakeDemuxerStream(int num_configs,
- int num_buffers_in_one_config,
- bool is_encrypted)
- : task_runner_(base::ThreadTaskRunnerHandle::Get()),
- num_configs_(num_configs),
- num_buffers_in_one_config_(num_buffers_in_one_config),
- config_changes_(num_configs > 1),
- is_encrypted_(is_encrypted),
- read_to_hold_(-1) {
- DCHECK_GT(num_configs, 0);
- DCHECK_GT(num_buffers_in_one_config, 0);
- Initialize();
- UpdateVideoDecoderConfig();
-}
-
-FakeDemuxerStream::~FakeDemuxerStream() {}
-
-void FakeDemuxerStream::Initialize() {
- DCHECK_EQ(-1, read_to_hold_);
- num_configs_left_ = num_configs_;
- num_buffers_left_in_current_config_ = num_buffers_in_one_config_;
- num_buffers_returned_ = 0;
- current_timestamp_ = base::TimeDelta::FromMilliseconds(kStartTimestampMs);
- duration_ = base::TimeDelta::FromMilliseconds(kDurationMs);
- splice_timestamp_ = kNoTimestamp();
- next_coded_size_ = gfx::Size(kStartWidth, kStartHeight);
- next_read_num_ = 0;
-}
-
-void FakeDemuxerStream::Read(const ReadCB& read_cb) {
- DCHECK(task_runner_->BelongsToCurrentThread());
- DCHECK(read_cb_.is_null());
-
- read_cb_ = BindToCurrentLoop(read_cb);
-
- if (read_to_hold_ == next_read_num_)
- return;
-
- DCHECK(read_to_hold_ == -1 || read_to_hold_ > next_read_num_);
- DoRead();
-}
-
-AudioDecoderConfig FakeDemuxerStream::audio_decoder_config() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- NOTREACHED();
- return AudioDecoderConfig();
-}
-
-VideoDecoderConfig FakeDemuxerStream::video_decoder_config() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- return video_decoder_config_;
-}
-
-// TODO(xhwang): Support audio if needed.
-DemuxerStream::Type FakeDemuxerStream::type() const {
- DCHECK(task_runner_->BelongsToCurrentThread());
- return VIDEO;
-}
-
-bool FakeDemuxerStream::SupportsConfigChanges() {
- return config_changes_;
-}
-
-VideoRotation FakeDemuxerStream::video_rotation() {
- return VIDEO_ROTATION_0;
-}
-
-void FakeDemuxerStream::HoldNextRead() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- read_to_hold_ = next_read_num_;
-}
-
-void FakeDemuxerStream::HoldNextConfigChangeRead() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- // Set |read_to_hold_| to be the next config change read.
- read_to_hold_ = next_read_num_ + num_buffers_in_one_config_ -
- next_read_num_ % (num_buffers_in_one_config_ + 1);
-}
-
-void FakeDemuxerStream::SatisfyRead() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- DCHECK_EQ(read_to_hold_, next_read_num_);
- DCHECK(!read_cb_.is_null());
-
- read_to_hold_ = -1;
- DoRead();
-}
-
-void FakeDemuxerStream::SatisfyReadAndHoldNext() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- DCHECK_EQ(read_to_hold_, next_read_num_);
- DCHECK(!read_cb_.is_null());
-
- ++read_to_hold_;
- DoRead();
-}
-
-void FakeDemuxerStream::Reset() {
- read_to_hold_ = -1;
-
- if (!read_cb_.is_null())
- base::ResetAndReturn(&read_cb_).Run(kAborted, NULL);
-}
-
-void FakeDemuxerStream::SeekToStart() {
- Reset();
- Initialize();
-}
-
-void FakeDemuxerStream::UpdateVideoDecoderConfig() {
- const gfx::Rect kVisibleRect(kStartWidth, kStartHeight);
- video_decoder_config_.Initialize(
- kCodecVP8, VIDEO_CODEC_PROFILE_UNKNOWN, VideoFrame::YV12,
- next_coded_size_, kVisibleRect, next_coded_size_,
- NULL, 0, is_encrypted_, false);
- next_coded_size_.Enlarge(kWidthDelta, kHeightDelta);
-}
-
-void FakeDemuxerStream::DoRead() {
- DCHECK(task_runner_->BelongsToCurrentThread());
- DCHECK(!read_cb_.is_null());
-
- next_read_num_++;
-
- if (num_buffers_left_in_current_config_ == 0) {
- // End of stream.
- if (num_configs_left_ == 0) {
- base::ResetAndReturn(&read_cb_).Run(kOk,
- DecoderBuffer::CreateEOSBuffer());
- return;
- }
-
- // Config change.
- num_buffers_left_in_current_config_ = num_buffers_in_one_config_;
- UpdateVideoDecoderConfig();
- base::ResetAndReturn(&read_cb_).Run(kConfigChanged, NULL);
- return;
- }
-
- scoped_refptr<DecoderBuffer> buffer = CreateFakeVideoBufferForTest(
- video_decoder_config_, current_timestamp_, duration_);
-
- // TODO(xhwang): Output out-of-order buffers if needed.
- if (is_encrypted_) {
- buffer->set_decrypt_config(scoped_ptr<DecryptConfig>(
- new DecryptConfig(std::string(kKeyId, kKeyId + arraysize(kKeyId)),
- std::string(kIv, kIv + arraysize(kIv)),
- std::vector<SubsampleEntry>())));
- }
- buffer->set_timestamp(current_timestamp_);
- buffer->set_duration(duration_);
- buffer->set_splice_timestamp(splice_timestamp_);
- current_timestamp_ += duration_;
-
- num_buffers_left_in_current_config_--;
- if (num_buffers_left_in_current_config_ == 0)
- num_configs_left_--;
-
- num_buffers_returned_++;
- base::ResetAndReturn(&read_cb_).Run(kOk, buffer);
-}
-
-} // namespace media

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