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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.
#include "starboard/player.h"
#include "starboard/android/shared/video_decoder.h"
#include "starboard/android/shared/video_window.h"
#include "starboard/common/log.h"
#include "starboard/configuration.h"
#include "starboard/decode_target.h"
#include "starboard/shared/starboard/player/filter/filter_based_player_worker_handler.h"
#include "starboard/shared/starboard/player/player_internal.h"
#include "starboard/shared/starboard/player/player_worker.h"
#include "starboard/string.h"
using starboard::shared::starboard::player::filter::
FilterBasedPlayerWorkerHandler;
using starboard::shared::starboard::player::PlayerWorker;
using starboard::android::shared::VideoDecoder;
SbPlayer SbPlayerCreate(SbWindow window,
const SbPlayerCreationParam* creation_param,
SbPlayerDeallocateSampleFunc sample_deallocate_func,
SbPlayerDecoderStatusFunc decoder_status_func,
SbPlayerStatusFunc player_status_func,
SbPlayerErrorFunc player_error_func,
void* context,
SbDecodeTargetGraphicsContextProvider* provider) {
if (!creation_param) {
SB_LOG(ERROR) << "CreationParam cannot be null.";
return kSbPlayerInvalid;
}
bool has_audio =
creation_param->audio_sample_info.codec != kSbMediaAudioCodecNone;
bool has_video =
creation_param->video_sample_info.codec != kSbMediaVideoCodecNone;
const char* audio_mime =
has_audio ? creation_param->audio_sample_info.mime : "";
const char* video_mime =
has_video ? creation_param->video_sample_info.mime : "";
const char* max_video_capabilities =
has_video ? creation_param->video_sample_info.max_video_capabilities : "";
if (!audio_mime) {
SB_LOG(ERROR) << "creation_param->audio_sample_info.mime cannot be null.";
return kSbPlayerInvalid;
}
if (!video_mime) {
SB_LOG(ERROR) << "creation_param->video_sample_info.mime cannot be null.";
return kSbPlayerInvalid;
}
if (!max_video_capabilities) {
SB_LOG(ERROR) << "creation_param->video_sample_info.max_video_capabilities"
<< " cannot be null.";
return kSbPlayerInvalid;
}
SB_LOG(INFO) << "SbPlayerCreate() called with audio mime \"" << audio_mime
<< "\", video mime \"" << video_mime
<< "\", and max video capabilities \"" << max_video_capabilities
<< "\".";
if (!sample_deallocate_func || !decoder_status_func || !player_status_func ||
!player_error_func) {
return kSbPlayerInvalid;
}
auto audio_codec = creation_param->audio_sample_info.codec;
auto video_codec = creation_param->video_sample_info.codec;
if (audio_codec != kSbMediaAudioCodecNone &&
audio_codec != kSbMediaAudioCodecAac &&
audio_codec != kSbMediaAudioCodecOpus) {
SB_LOG(ERROR) << "Unsupported audio codec " << audio_codec;
return kSbPlayerInvalid;
}
if (video_codec != kSbMediaVideoCodecNone &&
video_codec != kSbMediaVideoCodecH264 &&
video_codec != kSbMediaVideoCodecH265 &&
video_codec != kSbMediaVideoCodecVp9 &&
video_codec != kSbMediaVideoCodecAv1) {
SB_LOG(ERROR) << "Unsupported video codec " << video_codec;
return kSbPlayerInvalid;
}
if (audio_codec == kSbMediaAudioCodecNone &&
video_codec == kSbMediaVideoCodecNone) {
SB_LOG(ERROR) << "SbPlayerCreate() requires at least one audio track or"
<< " one video track.";
return kSbPlayerInvalid;
}
if (has_audio && creation_param->audio_sample_info.number_of_channels >
SbAudioSinkGetMaxChannels()) {
SB_LOG(ERROR) << "creation_param->audio_sample_info.number_of_channels"
<< " exceeds the maximum number of audio channels supported"
<< " by this platform.";
return kSbPlayerInvalid;
}
auto output_mode = creation_param->output_mode;
if (SbPlayerGetPreferredOutputMode(creation_param) != output_mode) {
SB_LOG(ERROR) << "Unsupported player output mode " << output_mode;
return kSbPlayerInvalid;
}
if (SbStringGetLength(max_video_capabilities) == 0) {
// Check the availability of hardware video decoder. Main player must use a
// hardware codec, but Android doesn't support multiple concurrent hardware
// codecs. Since it's not safe to have multiple hardware codecs, we only
// support one main player on Android, which can be either in punch out mode
// or decode to target mode.
const int kMaxNumberOfHardwareDecoders = 1;
if (VideoDecoder::number_of_hardware_decoders() >=
kMaxNumberOfHardwareDecoders) {
return kSbPlayerInvalid;
}
}
if (creation_param->output_mode != kSbPlayerOutputModeDecodeToTexture &&
// TODO: This is temporary for supporting background media playback.
// Need to be removed with media refactor.
video_codec != kSbMediaVideoCodecNone) {
// Check the availability of the video window. As we only support one main
// player, and sub players are in decode to texture mode on Android, a
// single video window should be enough.
if (!starboard::android::shared::VideoSurfaceHolder::
IsVideoSurfaceAvailable()) {
SB_LOG(ERROR) << "Video surface is not available now.";
return kSbPlayerInvalid;
}
}
starboard::scoped_ptr<PlayerWorker::Handler> handler(
new FilterBasedPlayerWorkerHandler(creation_param, provider));
SbPlayer player = SbPlayerPrivate::CreateInstance(
audio_codec, video_codec, &creation_param->audio_sample_info,
sample_deallocate_func, decoder_status_func, player_status_func,
player_error_func, context, handler.Pass());
if (creation_param->output_mode != kSbPlayerOutputModeDecodeToTexture) {
// TODO: accomplish this through more direct means.
// Set the bounds to initialize the VideoSurfaceView. The initial values
// don't matter.
SbPlayerSetBounds(player, 0, 0, 0, 0, 0);
}
return player;
}