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vlc-2-2
Commit 1f337eb4 authored by David Fuhrmann's avatar David Fuhrmann
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auhal: rename layout variable to make more clear that this is the input layout

parent a748266b
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Showing with 20 additions and 22 deletions
modules/audio_output/auhal.c
View file @ 1f337eb4
......@@ -439,7 +439,6 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
AudioComponentDescription desc;
AudioStreamBasicDescription DeviceFormat;
AudioChannelLayout *layout;
AudioChannelLayout new_layout;
AURenderCallbackStruct input;
p_aout->sys->chans_to_reorder = 0;
......@@ -593,7 +592,9 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
msg_Dbg(p_aout, "selected %d physical channels for device output", aout_FormatNbChannels(fmt));
msg_Dbg(p_aout, "VLC will output: %s", aout_FormatPrintChannels(fmt));
memset (&new_layout, 0, sizeof(new_layout));
/* Now we set the INPUT layout of the AU */
AudioChannelLayout input_layout;
memset (&input_layout, 0, sizeof(input_layout));
uint32_t chans_out[AOUT_CHAN_MAX];
/* Some channel abbreviations used below:
......@@ -620,34 +621,34 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
switch(aout_FormatNbChannels(fmt)) {
case 1:
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Mono;
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Mono;
break;
case 2:
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Stereo;
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Stereo;
break;
case 3:
if (fmt->i_physical_channels & AOUT_CHAN_CENTER)
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_7; // L R C
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_7; // L R C
else if (fmt->i_physical_channels & AOUT_CHAN_LFE)
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_4; // L R LFE
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_4; // L R LFE
break;
case 4:
if (fmt->i_physical_channels & (AOUT_CHAN_CENTER | AOUT_CHAN_LFE))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_10; // L R C LFE
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_10; // L R C LFE
else if (fmt->i_physical_channels & (AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_3; // L R Ls Rs
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_3; // L R Ls Rs
else if (fmt->i_physical_channels & (AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_3; // L R C Cs
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_3; // L R C Cs
break;
case 5:
if (fmt->i_physical_channels & (AOUT_CHAN_CENTER))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_19; // L R Ls Rs C
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_19; // L R Ls Rs C
else if (fmt->i_physical_channels & (AOUT_CHAN_LFE))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_18; // L R Ls Rs LFE
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_18; // L R Ls Rs LFE
break;
case 6:
if (fmt->i_physical_channels & (AOUT_CHAN_LFE)) {
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_20; // L R Ls Rs C LFE
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_20; // L R Ls Rs C LFE
chans_out[0] = AOUT_CHAN_LEFT;
chans_out[1] = AOUT_CHAN_RIGHT;
......@@ -660,7 +661,7 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
if (p_aout->sys->chans_to_reorder)
msg_Dbg(p_aout, "channel reordering needed for 5.1 output");
} else {
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_AudioUnit_6_0; // L R Ls Rs C Cs
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_AudioUnit_6_0; // L R Ls Rs C Cs
chans_out[0] = AOUT_CHAN_LEFT;
chans_out[1] = AOUT_CHAN_RIGHT;
......@@ -675,7 +676,7 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
}
break;
case 7:
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_6_1_A; // L R C LFE Ls Rs Cs
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_6_1_A; // L R C LFE Ls Rs Cs
chans_out[0] = AOUT_CHAN_LEFT;
chans_out[1] = AOUT_CHAN_RIGHT;
......@@ -692,7 +693,7 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
break;
case 8:
if (fmt->i_physical_channels & (AOUT_CHAN_LFE) || currentMinorSystemVersion < 7) {
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_7_1_A; // L R C LFE Ls Rs Lc Rc
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_7_1_A; // L R C LFE Ls Rs Lc Rc
chans_out[0] = AOUT_CHAN_LEFT;
chans_out[1] = AOUT_CHAN_RIGHT;
......@@ -708,7 +709,7 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
}
#ifdef MAC_OS_X_VERSION_10_7
else {
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DTS_8_0_B; // Lc C Rc L R Ls Cs Rs
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DTS_8_0_B; // Lc C Rc L R Ls Cs Rs
chans_out[0] = AOUT_CHAN_MIDDLELEFT;
chans_out[1] = AOUT_CHAN_CENTER;
......@@ -732,7 +733,7 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
}
#ifdef MAC_OS_X_VERSION_10_7
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DTS_8_1_B; // Lc C Rc L R Ls Cs Rs LFE
input_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DTS_8_1_B; // Lc C Rc L R Ls Cs Rs LFE
chans_out[0] = AOUT_CHAN_MIDDLELEFT;
chans_out[1] = AOUT_CHAN_CENTER;
chans_out[2] = AOUT_CHAN_MIDDLERIGHT;
......@@ -799,14 +800,11 @@ static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
kAudioUnitScope_Input,
0, &input, sizeof(input)));
/* Set the new_layout as the layout VLC will use to feed the AU unit */
/* Set the input_layout as the layout VLC will use to feed the AU unit */
verify_noerr(AudioUnitSetProperty(p_sys->au_unit,
kAudioUnitProperty_AudioChannelLayout,
kAudioUnitScope_Input, /* yes, it must be the INPUT scope */
0, &new_layout, sizeof(new_layout)));
if (new_layout.mNumberChannelDescriptions > 0)
free(new_layout.mChannelDescriptions);
0, &input_layout, sizeof(input_layout)));
/* AU initiliaze */
verify_noerr(AudioUnitInitialize(p_sys->au_unit));
......
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