Method DrainResamplerToFifoQueue

src/plugins/ffmpegdecoder/FfmpegDecoder.cpp:528–572

}

bool FfmpegDecoder::DrainResamplerToFifoQueue() {
    if (!this->resampler) {
        return false;
    }

    const int64_t targetRate =
        RESOLVE_SAMPLE_RATE() > this->codecContext->sample_rate
            ? RESOLVE_SAMPLE_RATE()
            : this->codecContext->sample_rate;

    int64_t bufferedFrames = swr_get_delay(this->resampler, targetRate);

    while (bufferedFrames > 0) {
        this->resampledFrame = this->AllocFrame(
            this->resampledFrame,
            this->codecContext->sample_fmt,
            this->codecContext->sample_rate);

        int converted = swr_convert(
            this->resampler,
            this->resampledFrame->extended_data,
            this->resampledFrame->nb_samples,
            nullptr,
            0);

        if (converted > 0) {
            int error = av_audio_fifo_write(
                this->outputFifo,
                (void**) this->resampledFrame->extended_data,
                converted);

            if (error < 0) {
                logAvError("av_audio_fifo_write", error);
                return false;
            }

            bufferedFrames -= converted;
        }
        else {
            break;
        }
    }

    return true;
}

bool FfmpegDecoder::RefillFifoQueue() {
    bool sentAtLeastOnePacket = false;