Skip to content

V
vlc
Commit 635fbe3c authored by Thomas Guillem's avatar Thomas Guillem Committed by Jean-Baptiste Kempf
Browse files
Options

audiotrack: simplify channel reordering 

And do it for every channels configuration.
Signed-off-by: default avatarJean-Baptiste Kempf <jb@videolan.org>
parent 0289a4ce
Hide whitespace changes
Inline Side-by-side
Showing with 37 additions and 69 deletions
modules/audio_output/audiotrack.c
View file @ 635fbe3c
......@@ -174,6 +174,8 @@ static struct
bool has_ENCODING_PCM_FLOAT;
jint CHANNEL_OUT_MONO;
jint CHANNEL_OUT_STEREO;
jint CHANNEL_OUT_FRONT_LEFT;
jint CHANNEL_OUT_FRONT_RIGHT;
jint CHANNEL_OUT_BACK_LEFT;
jint CHANNEL_OUT_BACK_RIGHT;
jint CHANNEL_OUT_FRONT_CENTER;
......@@ -325,6 +327,8 @@ InitJNIFields( audio_output_t *p_aout )
#endif
GET_CONST_INT( AudioFormat.CHANNEL_OUT_MONO, "CHANNEL_OUT_MONO", true );
GET_CONST_INT( AudioFormat.CHANNEL_OUT_STEREO, "CHANNEL_OUT_STEREO", true );
GET_CONST_INT( AudioFormat.CHANNEL_OUT_FRONT_LEFT, "CHANNEL_OUT_FRONT_LEFT", true );
GET_CONST_INT( AudioFormat.CHANNEL_OUT_FRONT_RIGHT, "CHANNEL_OUT_FRONT_RIGHT", true );
GET_CONST_INT( AudioFormat.CHANNEL_OUT_5POINT1, "CHANNEL_OUT_5POINT1", true );
GET_CONST_INT( AudioFormat.CHANNEL_OUT_BACK_LEFT, "CHANNEL_OUT_BACK_LEFT", true );
GET_CONST_INT( AudioFormat.CHANNEL_OUT_BACK_RIGHT, "CHANNEL_OUT_BACK_RIGHT", true );
......@@ -556,77 +560,43 @@ JNIThread_TimeGet( JNIEnv *env, audio_output_t *p_aout, mtime_t *p_delay )
return -1;
}
static bool
static void
AudioTrack_GetChanOrder( int i_mask, uint32_t p_chans_out[] )
{
#define HAS_CHAN( x ) ( ( i_mask & (jfields.AudioFormat.x) ) == (jfields.AudioFormat.x) )
const int i_sides = jfields.AudioFormat.CHANNEL_OUT_SIDE_LEFT |
jfields.AudioFormat.CHANNEL_OUT_SIDE_RIGHT;
const int i_backs = jfields.AudioFormat.CHANNEL_OUT_BACK_LEFT |
jfields.AudioFormat.CHANNEL_OUT_BACK_RIGHT;
/* samples will be in the following order: FL FR FC LFE BL BR BC SL SR */
int i = 0;
/* verify has FL/FR */
if ( !HAS_CHAN( CHANNEL_OUT_STEREO ) )
return false;
if( HAS_CHAN( CHANNEL_OUT_FRONT_LEFT ) )
p_chans_out[i++] = AOUT_CHAN_LEFT;
if( HAS_CHAN( CHANNEL_OUT_FRONT_RIGHT ) )
p_chans_out[i++] = AOUT_CHAN_RIGHT;
/* verify uses SIDE as a pair (ok if not using SIDE at all) */
bool b_has_sides = false;
if( jfields.AudioFormat.has_CHANNEL_OUT_SIDE && ( i_mask & i_sides ) != 0 )
{
if( ( i_mask & i_sides ) != i_sides )
return false;
b_has_sides = true;
}
/* verify uses BACK as a pair (ok if not using BACK at all) */
bool b_has_backs = false;
if( ( i_mask & i_backs ) != 0 )
{
if( ( i_mask & i_backs ) != i_backs )
return false;
b_has_backs = true;
}
if( HAS_CHAN( CHANNEL_OUT_FRONT_CENTER ) )
p_chans_out[i++] = AOUT_CHAN_CENTER;
const bool b_has_FC = HAS_CHAN( CHANNEL_OUT_FRONT_CENTER );
const bool b_has_LFE = HAS_CHAN( CHANNEL_OUT_LOW_FREQUENCY );
const bool b_has_BC = HAS_CHAN( CHANNEL_OUT_BACK_CENTER );
/* compute at what index each channel is: samples will be in the following
* order: FL FR FC LFE BL BR BC SL SR
* when a channel is not present, its index is set to the same as the index
* of the preceding channel. */
const int i_FC = b_has_FC ? 2 : 1;
const int i_LFE = b_has_LFE ? i_FC + 1 : i_FC;
const int i_BL = b_has_backs ? i_LFE + 1 : i_LFE;
const int i_BR = b_has_backs ? i_BL + 1 : i_BL;
const int i_BC = b_has_BC ? i_BR + 1 : i_BR;
const int i_SL = b_has_sides ? i_BC + 1 : i_BC;
const int i_SR = b_has_sides ? i_SL + 1 : i_SL;
p_chans_out[0] = AOUT_CHAN_LEFT;
p_chans_out[1] = AOUT_CHAN_RIGHT;
if( b_has_FC )
p_chans_out[i_FC] = AOUT_CHAN_CENTER;
if( b_has_LFE )
p_chans_out[i_LFE] = AOUT_CHAN_LFE;
if( b_has_backs )
{
p_chans_out[i_BL] = AOUT_CHAN_REARLEFT;
p_chans_out[i_BR] = AOUT_CHAN_REARRIGHT;
}
if( b_has_BC )
p_chans_out[i_BC] = AOUT_CHAN_REARCENTER;
if( b_has_sides )
if( HAS_CHAN( CHANNEL_OUT_LOW_FREQUENCY ) )
p_chans_out[i++] = AOUT_CHAN_LFE;
if( HAS_CHAN( CHANNEL_OUT_BACK_LEFT ) )
p_chans_out[i++] = AOUT_CHAN_REARLEFT;
if( HAS_CHAN( CHANNEL_OUT_BACK_RIGHT ) )
p_chans_out[i++] = AOUT_CHAN_REARRIGHT;
if( HAS_CHAN( CHANNEL_OUT_BACK_CENTER ) )
p_chans_out[i++] = AOUT_CHAN_REARCENTER;
if( jfields.AudioFormat.has_CHANNEL_OUT_SIDE )
{
p_chans_out[i_SL] = AOUT_CHAN_MIDDLELEFT;
p_chans_out[i_SR] = AOUT_CHAN_MIDDLERIGHT;
if( HAS_CHAN( CHANNEL_OUT_SIDE_LEFT ) )
p_chans_out[i++] = AOUT_CHAN_MIDDLELEFT;
if( HAS_CHAN( CHANNEL_OUT_SIDE_RIGHT ) )
p_chans_out[i++] = AOUT_CHAN_MIDDLERIGHT;
}
assert( i <= AOUT_CHAN_MAX );
#undef HAS_CHAN
return true;
}
/**
* Configure and create an Android AudioTrack.
* returns -1 on critical error, 0 on success, 1 on configuration error
......@@ -639,6 +609,7 @@ JNIThread_Configure( JNIEnv *env, audio_output_t *p_aout )
i_format_size, i_nb_channels;
uint8_t i_chans_to_reorder = 0;
uint8_t p_chan_table[AOUT_CHAN_MAX];
uint32_t p_chans_out[AOUT_CHAN_MAX];
jobject p_audiotrack;
audio_sample_format_t fmt = p_sys->fmt;
......@@ -685,8 +656,6 @@ JNIThread_Configure( JNIEnv *env, audio_output_t *p_aout )
*/
if( i_nb_channels > 5 )
{
uint32_t p_chans_out[AOUT_CHAN_MAX];
if( i_nb_channels > 7 && jfields.AudioFormat.has_CHANNEL_OUT_SIDE )
{
fmt.i_physical_channels = AOUT_CHANS_7_1;
......@@ -700,13 +669,6 @@ JNIThread_Configure( JNIEnv *env, audio_output_t *p_aout )
fmt.i_physical_channels = AOUT_CHANS_5_1;
i_channel_config = jfields.AudioFormat.CHANNEL_OUT_5POINT1;
}
if( AudioTrack_GetChanOrder( i_channel_config, p_chans_out ) )
i_chans_to_reorder =
aout_CheckChannelReorder( NULL, p_chans_out,
fmt.i_physical_channels,
p_chan_table );
else
return 1;
} else
{
if( i_nb_channels == 1 )
......@@ -720,6 +682,12 @@ JNIThread_Configure( JNIEnv *env, audio_output_t *p_aout )
}
i_nb_channels = aout_FormatNbChannels( &fmt );
memset( p_chans_out, 0, sizeof(p_chans_out) );
AudioTrack_GetChanOrder( i_channel_config, p_chans_out );
i_chans_to_reorder = aout_CheckChannelReorder( NULL, p_chans_out,
fmt.i_physical_channels,
p_chan_table );
i_min_buffer_size = JNI_AT_CALL_STATIC_INT( getMinBufferSize, fmt.i_rate,
i_channel_config, i_format );
if( i_min_buffer_size <= 0 )
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment