diff options
Diffstat (limited to 'src/xine-engine/audio_out.h')
| -rw-r--r-- | src/xine-engine/audio_out.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/xine-engine/audio_out.h b/src/xine-engine/audio_out.h index 8b12d9e3c..e7aba704e 100644 --- a/src/xine-engine/audio_out.h +++ b/src/xine-engine/audio_out.h @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: audio_out.h,v 1.57 2003/08/26 21:18:32 miguelfreitas Exp $ + * $Id: audio_out.h,v 1.58 2003/09/01 04:08:41 jcdutton Exp $ */ #ifndef HAVE_AUDIO_OUT_H #define HAVE_AUDIO_OUT_H @@ -279,14 +279,22 @@ xine_audio_port_t *ao_new_port (xine_t *xine, ao_driver_t *driver, int grab_only #define AO_CAP_MODE_STEREO 0x00000008 /* driver supports stereo output */ /* 1 sample == 8 bytes (L,R,LR,RR) */ #define AO_CAP_MODE_4CHANNEL 0x00000010 /* driver supports 4 channels */ -/* 1 sample == 10 bytes (L,R,LR,RR,C) */ -#define AO_CAP_MODE_5CHANNEL 0x00000020 /* driver supports 5 channels */ +/* + * Sound cards generally support, 1,2,4,6 channels, but rarely 5. + * So xine will take 4.1, 5 and 6 channel a52 streams and + * down or upmix it correctly to fill the 6 output channels. + * Are there any requests for 2.1 out there? + */ +/* 1 sample == 12 bytes (L,R,LR,RR,Null,LFE) */ +#define AO_CAP_MODE_4_1CHANNEL 0x00000020 /* driver supports 4.1 channels */ +/* 1 sample == 12 bytes (L,R,LR,RR,C, Null) */ +#define AO_CAP_MODE_5CHANNEL 0x00000040 /* driver supports 5 channels */ /* 1 sample == 12 bytes (L,R,LR,RR,C,LFE) */ -#define AO_CAP_MODE_5_1CHANNEL 0x00000040 /* driver supports 5.1 channels */ -#define AO_CAP_MIXER_VOL 0x00000080 /* driver supports mixer control */ -#define AO_CAP_PCM_VOL 0x00000100 /* driver supports pcm control */ -#define AO_CAP_MUTE_VOL 0x00000200 /* driver can mute volume */ -#define AO_CAP_8BITS 0x00000400 /* driver support 8-bit samples */ +#define AO_CAP_MODE_5_1CHANNEL 0x00000080 /* driver supports 5.1 channels */ +#define AO_CAP_MIXER_VOL 0x00000100 /* driver supports mixer control */ +#define AO_CAP_PCM_VOL 0x00000200 /* driver supports pcm control */ +#define AO_CAP_MUTE_VOL 0x00000400 /* driver can mute volume */ +#define AO_CAP_8BITS 0x00000800 /* driver support 8-bit samples */ /* properties supported by get/set_property() */ #define AO_PROP_MIXER_VOL 0 |