C++ (Cpp) ca_layout_to_mp_chmap Examples

Example #1

File: ao_coreaudio_chmap.c Project: AppleNuts/mpv

bool ca_init_chmap(struct ao *ao, AudioDeviceID device)
{
    void *ta_ctx = talloc_new(NULL);

    struct mp_chmap_sel chmap_sel = {.tmp = ta_ctx};
    struct mp_chmap chmap = {0};

    AudioChannelLayout *ml = ca_query_layout(ao, device, ta_ctx);
    if (ml && ca_layout_to_mp_chmap(ao, ml, &chmap))
        mp_chmap_sel_add_map(&chmap_sel, &chmap);

    AudioChannelLayout *sl = ca_query_stereo_layout(ao, device, ta_ctx);
    if (sl && ca_layout_to_mp_chmap(ao, sl, &chmap))
        mp_chmap_sel_add_map(&chmap_sel, &chmap);

    if (!ao_chmap_sel_adjust(ao, &chmap_sel, &ao->channels)) {
        MP_ERR(ao, "could not select a suitable channel map among the "
                   "hardware supported ones. Make sure to configure your "
                   "output device correctly in 'Audio MIDI Setup.app'\n");
        goto coreaudio_error;
    }

    talloc_free(ta_ctx);
    return true;

coreaudio_error:
    talloc_free(ta_ctx);
    return false;
}

Example #2

File: ao_coreaudio_chmap.c Project: qyot27/mpv

static void ca_retrieve_layouts(struct ao *ao, struct mp_chmap_sel *s,
                                AudioDeviceID device)
{
    void *ta_ctx = talloc_new(NULL);
    struct mp_chmap chmap;

    AudioChannelLayout *ml = ca_query_layout(ao, device, ta_ctx);
    if (ml && ca_layout_to_mp_chmap(ao, ml, &chmap))
        mp_chmap_sel_add_map(s, &chmap);

    AudioChannelLayout *sl = ca_query_stereo_layout(ao, device, ta_ctx);
    if (sl && ca_layout_to_mp_chmap(ao, sl, &chmap))
        mp_chmap_sel_add_map(s, &chmap);

    talloc_free(ta_ctx);
}