mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 06:42:03 +00:00
332 lines
12 KiB
C
332 lines
12 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "common/common.h"
|
|
|
|
#include "ao_coreaudio_utils.h"
|
|
|
|
#include "ao_coreaudio_chmap.h"
|
|
|
|
static const int speaker_map[][2] = {
|
|
{ kAudioChannelLabel_Left, MP_SPEAKER_ID_FL },
|
|
{ kAudioChannelLabel_Right, MP_SPEAKER_ID_FR },
|
|
{ kAudioChannelLabel_Center, MP_SPEAKER_ID_FC },
|
|
{ kAudioChannelLabel_LFEScreen, MP_SPEAKER_ID_LFE },
|
|
{ kAudioChannelLabel_LeftSurround, MP_SPEAKER_ID_BL },
|
|
{ kAudioChannelLabel_RightSurround, MP_SPEAKER_ID_BR },
|
|
{ kAudioChannelLabel_LeftCenter, MP_SPEAKER_ID_FLC },
|
|
{ kAudioChannelLabel_RightCenter, MP_SPEAKER_ID_FRC },
|
|
{ kAudioChannelLabel_CenterSurround, MP_SPEAKER_ID_BC },
|
|
{ kAudioChannelLabel_LeftSurroundDirect, MP_SPEAKER_ID_SL },
|
|
{ kAudioChannelLabel_RightSurroundDirect, MP_SPEAKER_ID_SR },
|
|
{ kAudioChannelLabel_TopCenterSurround, MP_SPEAKER_ID_TC },
|
|
{ kAudioChannelLabel_VerticalHeightLeft, MP_SPEAKER_ID_TFL },
|
|
{ kAudioChannelLabel_VerticalHeightCenter, MP_SPEAKER_ID_TFC },
|
|
{ kAudioChannelLabel_VerticalHeightRight, MP_SPEAKER_ID_TFR },
|
|
{ kAudioChannelLabel_TopBackLeft, MP_SPEAKER_ID_TBL },
|
|
{ kAudioChannelLabel_TopBackCenter, MP_SPEAKER_ID_TBC },
|
|
{ kAudioChannelLabel_TopBackRight, MP_SPEAKER_ID_TBR },
|
|
|
|
// unofficial extensions
|
|
{ kAudioChannelLabel_RearSurroundLeft, MP_SPEAKER_ID_SDL },
|
|
{ kAudioChannelLabel_RearSurroundRight, MP_SPEAKER_ID_SDR },
|
|
{ kAudioChannelLabel_LeftWide, MP_SPEAKER_ID_WL },
|
|
{ kAudioChannelLabel_RightWide, MP_SPEAKER_ID_WR },
|
|
{ kAudioChannelLabel_LFE2, MP_SPEAKER_ID_LFE2 },
|
|
|
|
{ kAudioChannelLabel_HeadphonesLeft, MP_SPEAKER_ID_DL },
|
|
{ kAudioChannelLabel_HeadphonesRight, MP_SPEAKER_ID_DR },
|
|
|
|
{ kAudioChannelLabel_Unknown, MP_SPEAKER_ID_NA },
|
|
|
|
{ 0, -1 },
|
|
};
|
|
|
|
int ca_label_to_mp_speaker_id(AudioChannelLabel label)
|
|
{
|
|
for (int i = 0; speaker_map[i][1] >= 0; i++)
|
|
if (speaker_map[i][0] == label)
|
|
return speaker_map[i][1];
|
|
return -1;
|
|
}
|
|
|
|
#if HAVE_COREAUDIO
|
|
static void ca_log_layout(struct ao *ao, int l, AudioChannelLayout *layout)
|
|
{
|
|
if (!mp_msg_test(ao->log, l))
|
|
return;
|
|
|
|
AudioChannelDescription *descs = layout->mChannelDescriptions;
|
|
|
|
mp_msg(ao->log, l, "layout: tag: <%u>, bitmap: <%u>, "
|
|
"descriptions <%u>\n",
|
|
(unsigned) layout->mChannelLayoutTag,
|
|
(unsigned) layout->mChannelBitmap,
|
|
(unsigned) layout->mNumberChannelDescriptions);
|
|
|
|
for (int i = 0; i < layout->mNumberChannelDescriptions; i++) {
|
|
AudioChannelDescription d = descs[i];
|
|
mp_msg(ao->log, l, " - description %d: label <%u, %u>, "
|
|
" flags: <%u>, coords: <%f, %f, %f>\n", i,
|
|
(unsigned) d.mChannelLabel,
|
|
(unsigned) ca_label_to_mp_speaker_id(d.mChannelLabel),
|
|
(unsigned) d.mChannelFlags,
|
|
d.mCoordinates[0],
|
|
d.mCoordinates[1],
|
|
d.mCoordinates[2]);
|
|
}
|
|
}
|
|
|
|
static AudioChannelLayout *ca_layout_to_custom_layout(struct ao *ao,
|
|
void *talloc_ctx,
|
|
AudioChannelLayout *l)
|
|
{
|
|
AudioChannelLayoutTag tag = l->mChannelLayoutTag;
|
|
AudioChannelLayout *r;
|
|
OSStatus err;
|
|
|
|
if (tag == kAudioChannelLayoutTag_UseChannelDescriptions)
|
|
return l;
|
|
|
|
if (tag == kAudioChannelLayoutTag_UseChannelBitmap) {
|
|
uint32_t psize;
|
|
err = AudioFormatGetPropertyInfo(
|
|
kAudioFormatProperty_ChannelLayoutForBitmap,
|
|
sizeof(uint32_t), &l->mChannelBitmap, &psize);
|
|
CHECK_CA_ERROR("failed to convert channel bitmap to descriptions (info)");
|
|
r = talloc_size(NULL, psize);
|
|
err = AudioFormatGetProperty(
|
|
kAudioFormatProperty_ChannelLayoutForBitmap,
|
|
sizeof(uint32_t), &l->mChannelBitmap, &psize, r);
|
|
CHECK_CA_ERROR("failed to convert channel bitmap to descriptions (get)");
|
|
} else {
|
|
uint32_t psize;
|
|
err = AudioFormatGetPropertyInfo(
|
|
kAudioFormatProperty_ChannelLayoutForTag,
|
|
sizeof(AudioChannelLayoutTag), &l->mChannelLayoutTag, &psize);
|
|
r = talloc_size(NULL, psize);
|
|
CHECK_CA_ERROR("failed to convert channel tag to descriptions (info)");
|
|
err = AudioFormatGetProperty(
|
|
kAudioFormatProperty_ChannelLayoutForTag,
|
|
sizeof(AudioChannelLayoutTag), &l->mChannelLayoutTag, &psize, r);
|
|
CHECK_CA_ERROR("failed to convert channel tag to descriptions (get)");
|
|
}
|
|
|
|
MP_VERBOSE(ao, "converted input channel layout:\n");
|
|
ca_log_layout(ao, MSGL_V, l);
|
|
|
|
return r;
|
|
coreaudio_error:
|
|
return NULL;
|
|
}
|
|
|
|
|
|
#define CHMAP(n, ...) &(struct mp_chmap) MP_CONCAT(MP_CHMAP, n) (__VA_ARGS__)
|
|
|
|
// Replace each channel in a with b (a->num == b->num)
|
|
static void replace_submap(struct mp_chmap *dst, struct mp_chmap *a,
|
|
struct mp_chmap *b)
|
|
{
|
|
struct mp_chmap t = *dst;
|
|
if (!mp_chmap_is_valid(&t) || mp_chmap_diffn(a, &t) != 0)
|
|
return;
|
|
assert(a->num == b->num);
|
|
for (int n = 0; n < t.num; n++) {
|
|
for (int i = 0; i < a->num; i++) {
|
|
if (t.speaker[n] == a->speaker[i]) {
|
|
t.speaker[n] = b->speaker[i];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (mp_chmap_is_valid(&t))
|
|
*dst = t;
|
|
}
|
|
|
|
static bool ca_layout_to_mp_chmap(struct ao *ao, AudioChannelLayout *layout,
|
|
struct mp_chmap *chmap)
|
|
{
|
|
void *talloc_ctx = talloc_new(NULL);
|
|
|
|
MP_VERBOSE(ao, "input channel layout:\n");
|
|
ca_log_layout(ao, MSGL_V, layout);
|
|
|
|
AudioChannelLayout *l = ca_layout_to_custom_layout(ao, talloc_ctx, layout);
|
|
if (!l)
|
|
goto coreaudio_error;
|
|
|
|
if (l->mNumberChannelDescriptions > MP_NUM_CHANNELS) {
|
|
MP_VERBOSE(ao, "layout has too many descriptions (%u, max: %d)\n",
|
|
(unsigned) l->mNumberChannelDescriptions, MP_NUM_CHANNELS);
|
|
return false;
|
|
}
|
|
|
|
chmap->num = l->mNumberChannelDescriptions;
|
|
for (int n = 0; n < l->mNumberChannelDescriptions; n++) {
|
|
AudioChannelLabel label = l->mChannelDescriptions[n].mChannelLabel;
|
|
int speaker = ca_label_to_mp_speaker_id(label);
|
|
if (speaker < 0) {
|
|
MP_VERBOSE(ao, "channel label=%u unusable to build channel "
|
|
"bitmap, skipping layout\n", (unsigned) label);
|
|
goto coreaudio_error;
|
|
}
|
|
chmap->speaker[n] = speaker;
|
|
}
|
|
|
|
// Remap weird 7.1(rear) layouts correctly.
|
|
replace_submap(chmap, CHMAP(6, FL, FR, BL, BR, SDL, SDR),
|
|
CHMAP(6, FL, FR, SL, SR, BL, BR));
|
|
|
|
talloc_free(talloc_ctx);
|
|
MP_VERBOSE(ao, "mp chmap: %s\n", mp_chmap_to_str(chmap));
|
|
return mp_chmap_is_valid(chmap) && !mp_chmap_is_unknown(chmap);
|
|
coreaudio_error:
|
|
MP_VERBOSE(ao, "converted input channel layout (failed):\n");
|
|
ca_log_layout(ao, MSGL_V, layout);
|
|
talloc_free(talloc_ctx);
|
|
return false;
|
|
}
|
|
|
|
static AudioChannelLayout* ca_query_layout(struct ao *ao,
|
|
AudioDeviceID device,
|
|
void *talloc_ctx)
|
|
{
|
|
OSStatus err;
|
|
uint32_t psize;
|
|
AudioChannelLayout *r = NULL;
|
|
|
|
AudioObjectPropertyAddress p_addr = (AudioObjectPropertyAddress) {
|
|
.mSelector = kAudioDevicePropertyPreferredChannelLayout,
|
|
.mScope = kAudioDevicePropertyScopeOutput,
|
|
.mElement = kAudioObjectPropertyElementWildcard,
|
|
};
|
|
|
|
err = AudioObjectGetPropertyDataSize(device, &p_addr, 0, NULL, &psize);
|
|
CHECK_CA_ERROR("could not get device preferred layout (size)");
|
|
|
|
r = talloc_size(talloc_ctx, psize);
|
|
|
|
err = AudioObjectGetPropertyData(device, &p_addr, 0, NULL, &psize, r);
|
|
CHECK_CA_ERROR("could not get device preferred layout (get)");
|
|
|
|
coreaudio_error:
|
|
return r;
|
|
}
|
|
|
|
static AudioChannelLayout* ca_query_stereo_layout(struct ao *ao,
|
|
AudioDeviceID device,
|
|
void *talloc_ctx)
|
|
{
|
|
OSStatus err;
|
|
const int nch = 2;
|
|
uint32_t channels[nch];
|
|
AudioChannelLayout *r = NULL;
|
|
|
|
AudioObjectPropertyAddress p_addr = (AudioObjectPropertyAddress) {
|
|
.mSelector = kAudioDevicePropertyPreferredChannelsForStereo,
|
|
.mScope = kAudioDevicePropertyScopeOutput,
|
|
.mElement = kAudioObjectPropertyElementWildcard,
|
|
};
|
|
|
|
uint32_t psize = sizeof(channels);
|
|
err = AudioObjectGetPropertyData(device, &p_addr, 0, NULL, &psize, channels);
|
|
CHECK_CA_ERROR("could not get device preferred stereo layout");
|
|
|
|
psize = sizeof(AudioChannelLayout) + nch * sizeof(AudioChannelDescription);
|
|
r = talloc_zero_size(talloc_ctx, psize);
|
|
r->mChannelLayoutTag = kAudioChannelLayoutTag_UseChannelDescriptions;
|
|
r->mNumberChannelDescriptions = nch;
|
|
|
|
AudioChannelDescription desc = {0};
|
|
desc.mChannelFlags = kAudioChannelFlags_AllOff;
|
|
|
|
for(int i = 0; i < nch; i++) {
|
|
desc.mChannelLabel = channels[i];
|
|
r->mChannelDescriptions[i] = desc;
|
|
}
|
|
|
|
coreaudio_error:
|
|
return r;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
bool ca_init_chmap(struct ao *ao, AudioDeviceID device)
|
|
{
|
|
struct mp_chmap_sel chmap_sel = {0};
|
|
ca_retrieve_layouts(ao, &chmap_sel, device);
|
|
|
|
if (!chmap_sel.num_chmaps)
|
|
mp_chmap_sel_add_map(&chmap_sel, &(struct mp_chmap)MP_CHMAP_INIT_STEREO);
|
|
|
|
mp_chmap_sel_add_map(&chmap_sel, &(struct mp_chmap)MP_CHMAP_INIT_MONO);
|
|
|
|
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");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void ca_get_active_chmap(struct ao *ao, AudioDeviceID device, int channel_count,
|
|
struct mp_chmap *out_map)
|
|
{
|
|
// Apparently, we have to guess by looking back at the supported layouts,
|
|
// and I haven't found a property that retrieves the actual currently
|
|
// active channel layout.
|
|
|
|
struct mp_chmap_sel chmap_sel = {0};
|
|
ca_retrieve_layouts(ao, &chmap_sel, device);
|
|
|
|
// Use any exact match.
|
|
for (int n = 0; n < chmap_sel.num_chmaps; n++) {
|
|
if (chmap_sel.chmaps[n].num == channel_count) {
|
|
MP_VERBOSE(ao, "mismatching channels - fallback #%d\n", n);
|
|
*out_map = chmap_sel.chmaps[n];
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Fall back to stereo or mono, and fill the rest with silence. (We don't
|
|
// know what the device expects. We could use a larger default layout here,
|
|
// but let's not.)
|
|
mp_chmap_from_channels(out_map, MPMIN(2, channel_count));
|
|
out_map->num = channel_count;
|
|
for (int n = 2; n < out_map->num; n++)
|
|
out_map->speaker[n] = MP_SPEAKER_ID_NA;
|
|
MP_WARN(ao, "mismatching channels - falling back to %s\n",
|
|
mp_chmap_to_str(out_map));
|
|
}
|
|
#endif
|