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author | wm4 <wm4@nowhere> | 2015-05-04 23:59:27 +0200 |
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committer | wm4 <wm4@nowhere> | 2015-05-05 01:11:16 +0200 |
commit | 4d8a7e03944155bf07ba9a775cf9554bb1c76f0f (patch) | |
tree | 0de6273d01adc380217d28171974b859803dc45c /audio/out | |
parent | 06050aed9906b784159ad03e86e13348c4d9fa47 (diff) | |
download | mpv-4d8a7e03944155bf07ba9a775cf9554bb1c76f0f.tar.bz2 mpv-4d8a7e03944155bf07ba9a775cf9554bb1c76f0f.tar.xz |
ao_coreaudio: support padded channel layouts
If for example the audio settings are set to 5.1 output, but the
hardware does 8 channels natively (HDMI), the reported channel
layout will have 2 dummy channels. To avoid falling back to stereo,
we have to write audio in this format to the device.
Diffstat (limited to 'audio/out')
-rw-r--r-- | audio/out/ao_coreaudio.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/audio/out/ao_coreaudio.c b/audio/out/ao_coreaudio.c index 8716fcc75d..65f7a070fd 100644 --- a/audio/out/ao_coreaudio.c +++ b/audio/out/ao_coreaudio.c @@ -78,7 +78,6 @@ static OSStatus render_cb_lpcm(void *ctx, AudioUnitRenderActionFlags *aflags, int64_t end = mp_time_us(); end += p->hw_latency_us + ca_get_latency(ts) + ca_frames_to_us(ao, frames); - ao_read_data(ao, &buf.mData, frames, end); return noErr; } @@ -445,7 +444,7 @@ static const int speaker_map[][2] = { { kAudioChannelLabel_HeadphonesLeft, MP_SPEAKER_ID_DL }, { kAudioChannelLabel_HeadphonesRight, MP_SPEAKER_ID_DR }, - { kAudioChannelLabel_Unknown, MP_SPEAKER_ID_UNKNOWN0 }, + { kAudioChannelLabel_Unknown, MP_SPEAKER_ID_NA0 }, { 0, -1 }, }; @@ -543,9 +542,14 @@ bool ca_layout_to_mp_chmap(struct ao *ao, AudioChannelLayout *layout, return false; } + int next_na = MP_SPEAKER_ID_NA0; for (int n = 0; n < l->mNumberChannelDescriptions; n++) { AudioChannelLabel label = l->mChannelDescriptions[n].mChannelLabel; uint8_t speaker = ca_label_to_mp_speaker_id(label); + if (speaker == MP_SPEAKER_ID_NA0 && next_na < MP_SPEAKER_ID_NA_LAST) + { + speaker = next_na++; + } if (speaker < 0) { MP_VERBOSE(ao, "channel label=%u unusable to build channel " "bitmap, skipping layout\n", (unsigned) label); |