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// Copyright 2015 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.
#ifndef MEDIA_BASE_ANDROID_TEST_DATA_FACTORY_H_
#define MEDIA_BASE_ANDROID_TEST_DATA_FACTORY_H_
#include <stdint.h>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "media/base/android/demuxer_stream_player_params.h"
namespace media {
// TestDataFactory is used by MediaCodecDecoder unit test and MediaCodecPlayer
// unit test to simulate the audio or video access unit stream.
class TestDataFactory {
public:
// These methods return corresponding demuxer configs.
static DemuxerConfigs CreateAudioConfigs(AudioCodec audio_codec,
const base::TimeDelta& duration);
static DemuxerConfigs CreateVideoConfigs(VideoCodec video_codec,
const base::TimeDelta& duration,
const gfx::Size& video_size);
// Constructor calls |LoadPackets| to load packets from files.
// Parameters:
// file_name_template: the sprintf format string used to generate a file
// name for the packet in the form e.g. "h264-AxB-%d"
// The |%d| will be replaced by 0, 1, 2, 3.
// duration: after the last AU exceeds duration the factory generates EOS
// unit and stops.
// frame_period: PTS increment between units.
TestDataFactory(const char* file_name_template,
const base::TimeDelta& duration,
const base::TimeDelta& frame_period);
virtual ~TestDataFactory();
// Returns demuxer configuration for this factory.
virtual DemuxerConfigs GetConfigs() const = 0;
// Populates next chunk and the corresponding delay and returns true if
// duration is not exceeded, otherwise returns false.
// Default implementation repeatedly uses |packet_| array in order 0-1-2-3
// and monotonically increases timestamps from 0 to |duration_|.
// The first unit to exceed |duration_| becomes EOS. The delay is set to 0.
virtual bool CreateChunk(DemuxerData* chunk, base::TimeDelta* delay);
// In starvation mode we do not add EOS at the end.
void SetStarvationMode(bool value) { starvation_mode_ = value; }
base::TimeDelta last_pts() const { return last_pts_; }
protected:
// Called by constructor to load packets from files referred by
// |file_name_template|.
virtual void LoadPackets(const char* file_name_template);
// Used to modify the generated access unit by a subclass.
virtual void ModifyAccessUnit(int index_in_chunk, AccessUnit* unit) {}
base::TimeDelta duration_;
base::TimeDelta frame_period_;
std::vector<uint8_t> packet_[4];
base::TimeDelta regular_pts_; // monotonically increasing PTS
base::TimeDelta last_pts_; // subclass can modify PTS, maintains the last
bool starvation_mode_; // true means no EOS at the end
};
} // namespace media
#endif // MEDIA_BASE_ANDROID_TEST_DATA_FACTORY_H_
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