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// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef STARBOARD_ANDROID_SHARED_MEDIA_CODEC_BRIDGE_H_
#define STARBOARD_ANDROID_SHARED_MEDIA_CODEC_BRIDGE_H_
#include <string>
#include "starboard/android/shared/jni_env_ext.h"
#include "starboard/android/shared/jni_utils.h"
#include "starboard/android/shared/media_common.h"
#include "starboard/common/scoped_ptr.h"
namespace starboard {
namespace android {
namespace shared {
// These must be in sync with MediaCodecWrapper.MEDIA_CODEC_XXX constants in
// MediaCodecBridge.java.
const jint MEDIA_CODEC_OK = 0;
const jint MEDIA_CODEC_DEQUEUE_INPUT_AGAIN_LATER = 1;
const jint MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER = 2;
const jint MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED = 3;
const jint MEDIA_CODEC_OUTPUT_FORMAT_CHANGED = 4;
const jint MEDIA_CODEC_INPUT_END_OF_STREAM = 5;
const jint MEDIA_CODEC_OUTPUT_END_OF_STREAM = 6;
const jint MEDIA_CODEC_NO_KEY = 7;
const jint MEDIA_CODEC_INSUFFICIENT_OUTPUT_PROTECTION = 8;
const jint MEDIA_CODEC_ABORT = 9;
const jint MEDIA_CODEC_ERROR = 10;
const jint BUFFER_FLAG_CODEC_CONFIG = 2;
const jint BUFFER_FLAG_END_OF_STREAM = 4;
const jint CRYPTO_MODE_UNENCRYPTED = 0;
const jint CRYPTO_MODE_AES_CTR = 1;
const jint CRYPTO_MODE_AES_CBC = 2;
struct DequeueInputResult {
jint status;
jint index;
};
struct DequeueOutputResult {
jint status;
jint index;
jint flags;
jint offset;
jlong presentation_time_microseconds;
jint num_bytes;
};
struct SurfaceDimensions {
jint width;
jint height;
};
struct AudioOutputFormatResult {
jint status;
jint sample_rate;
jint channel_count;
};
class MediaCodecBridge {
public:
// The methods are called on the default Looper. They won't get called after
// Flush() is returned.
class Handler {
public:
virtual void OnMediaCodecError(bool is_recoverable,
bool is_transient,
const std::string& diagnostic_info) = 0;
virtual void OnMediaCodecInputBufferAvailable(int buffer_index) = 0;
virtual void OnMediaCodecOutputBufferAvailable(int buffer_index,
int flags,
int offset,
int64_t presentation_time_us,
int size) = 0;
virtual void OnMediaCodecOutputFormatChanged() = 0;
protected:
~Handler() {}
};
static scoped_ptr<MediaCodecBridge> CreateAudioMediaCodecBridge(
SbMediaAudioCodec audio_codec,
const SbMediaAudioSampleInfo& audio_sample_info,
Handler* handler,
jobject j_media_crypto);
static scoped_ptr<MediaCodecBridge> CreateVideoMediaCodecBridge(
SbMediaVideoCodec video_codec,
int width,
int height,
Handler* handler,
jobject j_surface,
jobject j_media_crypto,
const SbMediaColorMetadata* color_metadata,
bool require_software_codec,
std::string* error_message);
~MediaCodecBridge();
// It is the responsibility of the client to manage the lifetime of the
// jobject that |GetInputBuffer| returns.
jobject GetInputBuffer(jint index);
jint QueueInputBuffer(jint index,
jint offset,
jint size,
jlong presentation_time_microseconds,
jint flags);
jint QueueSecureInputBuffer(jint index,
jint offset,
const SbDrmSampleInfo& drm_sample_info,
jlong presentation_time_microseconds);
// It is the responsibility of the client to manage the lifetime of the
// jobject that |GetOutputBuffer| returns.
jobject GetOutputBuffer(jint index);
void ReleaseOutputBuffer(jint index, jboolean render);
void ReleaseOutputBufferAtTimestamp(jint index, jlong render_timestamp_ns);
void SetPlaybackRate(double playback_rate);
jint Flush();
SurfaceDimensions GetOutputDimensions();
AudioOutputFormatResult GetAudioOutputFormat();
void OnMediaCodecError(bool is_recoverable,
bool is_transient,
const std::string& diagnostic_info);
void OnMediaCodecInputBufferAvailable(int buffer_index);
void OnMediaCodecOutputBufferAvailable(int buffer_index,
int flags,
int offset,
int64_t presentation_time_us,
int size);
void OnMediaCodecOutputFormatChanged();
private:
// |MediaCodecBridge|s must only be created through its factory methods.
explicit MediaCodecBridge(Handler* handler);
void Initialize(jobject j_media_codec_bridge);
Handler* handler_ = NULL;
jobject j_media_codec_bridge_ = NULL;
// Profiling and allocation tracking has identified this area to be hot,
// and, capable of enough to cause GC times to raise high enough to impact
// playback. We mitigate this by reusing these output objects between calls
// to |DequeueInputBuffer|, |DequeueOutputBuffer|, and
// |GetOutputDimensions|.
jobject j_reused_get_output_format_result_ = NULL;
MediaCodecBridge(const MediaCodecBridge&) = delete;
void operator=(const MediaCodecBridge&) = delete;
};
} // namespace shared
} // namespace android
} // namespace starboard
#endif // STARBOARD_ANDROID_SHARED_MEDIA_CODEC_BRIDGE_H_