setup_resampler()

bool MayaFlux::IO::AudioEncodeContext::setup_resampler ( )

private

Definition at line 173 of file AudioEncodeContext.cpp.

{
    AVChannelLayout layout {};
    av_channel_layout_default(&layout, static_cast<int>(m_channels));
 
    int ret = swr_alloc_set_opts2(
        &swr_context,
        &layout, codec_context->sample_fmt, codec_context->sample_rate,
        &layout, AV_SAMPLE_FMT_DBL, static_cast<int>(m_sample_rate),
        0, nullptr);
 
    av_channel_layout_uninit(&layout);
 
    if (ret < 0 || !swr_context) {
        m_last_error = "swr_alloc_set_opts2 failed";
        return false;
    }
 
    if (swr_init(swr_context) < 0) {
        m_last_error = "swr_init failed";
        swr_free(&swr_context);
        swr_context = nullptr;
        return false;
    }
 
    return true;
}

References codec_context, m_channels, m_last_error, m_sample_rate, and swr_context.

Referenced by open().

Here is the caller graph for this function: