void SimpleAudio::Init() {
#ifdef USE_FFMPEG
avcodec_register_all();
av_register_all();
InitFFmpeg();
frame_ = av_frame_alloc();
// Get Audio Codec ctx
int audioCodecId = GetAudioCodecID(audioType);
if (!audioCodecId) {
ERROR_LOG(ME, "This version of FFMPEG does not support Audio codec type: %08x. Update your submodule.", audioType);
return;
}
// Find decoder
codec_ = avcodec_find_decoder((AVCodecID)audioCodecId);
if (!codec_) {
// Eh, we shouldn't even have managed to compile. But meh.
ERROR_LOG(ME, "This version of FFMPEG does not support AV_CODEC_ctx for audio (%s). Update your submodule.", GetCodecName(audioType));
return;
}
// Allocate codec context
codecCtx_ = avcodec_alloc_context3(codec_);
if (!codecCtx_) {
ERROR_LOG(ME, "Failed to allocate a codec context");
return;
}
codecCtx_->channels = channels_;
codecCtx_->channel_layout = channels_ == 2 ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
codecCtx_->sample_rate = sample_rate_;
codecOpen_ = false;
#endif // USE_FFMPEG
}
SimpleAudio::SimpleAudio(u32 ctxPtr, int audioType)
: codec_(0), codecCtx_(0), swrCtx_(0), ctxPtr(ctxPtr), audioType(audioType), outSamples(0), wanted_resample_freq(44100){
#ifdef USE_FFMPEG
avcodec_register_all();
av_register_all();
InitFFmpeg();
frame_ = av_frame_alloc();
// Get Audio Codec ctx
if (!GetAudioCodecID(audioType)){
ERROR_LOG(ME, "This version of FFMPEG does not support Audio codec type: %08x. Update your submodule.", audioType);
return;
}
// Find decoder
codec_ = avcodec_find_decoder(audioCodecId);
if (!codec_) {
// Eh, we shouldn't even have managed to compile. But meh.
ERROR_LOG(ME, "This version of FFMPEG does not support AV_CODEC_ctx for audio (%s). Update your submodule.", GetCodecName(audioType));
return;
}
// Allocate codec context
codecCtx_ = avcodec_alloc_context3(codec_);
if (!codecCtx_) {
ERROR_LOG(ME, "Failed to allocate a codec context");
return;
}
codecCtx_->channels = 2;
codecCtx_->channel_layout = AV_CH_LAYOUT_STEREO;
codecCtx_->sample_rate = 44100;
// Open codec
AVDictionary *opts = 0;
if (avcodec_open2(codecCtx_, codec_, &opts) < 0) {
ERROR_LOG(ME, "Failed to open codec");
av_dict_free(&opts);
return;
}
av_dict_free(&opts);
#endif // USE_FFMPEG
}
bool SimpleAudio::ResetCodecCtx(int channels, int samplerate) {
#ifdef USE_FFMPEG
if (codecCtx_)
avcodec_close(codecCtx_);
// Find decoder
int audioCodecId = GetAudioCodecID(audioType);
codec_ = avcodec_find_decoder((AVCodecID)audioCodecId);
if (!codec_) {
// Eh, we shouldn't even have managed to compile. But meh.
ERROR_LOG(ME, "This version of FFMPEG does not support AV_CODEC_ctx for audio (%s). Update your submodule.", GetCodecName(audioType));
return false;
}
codecCtx_->channels = channels;
codecCtx_->channel_layout = channels==2?AV_CH_LAYOUT_STEREO:AV_CH_LAYOUT_MONO;
codecCtx_->sample_rate = samplerate;
codecOpen_ = false;
return true;
#endif
return false;
}
