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Commit 9714b27b authored by Eric Laurent's avatar Eric Laurent
Browse files

Added PCM formats to audio.h 

Added formats for 32 bit PCM audio to allow direct use of
common audio formats defined in audio.h by audio effect
API defined in audio_effect.h

Change-Id: I5d58c2db8325ca625ab6d2b10cc0d422ba119ca5
parent 7956d759

include/system/audio.h

+8 −2
Original line number Diff line number Diff line
@@ -88,8 +88,10 @@ typedef enum { 


/* PCM sub formats */

typedef enum {

    AUDIO_FORMAT_PCM_SUB_16_BIT          = 0x1, /* DO NOT CHANGE */

    AUDIO_FORMAT_PCM_SUB_8_BIT           = 0x2, /* DO NOT CHANGE */

    AUDIO_FORMAT_PCM_SUB_16_BIT          = 0x1, /* DO NOT CHANGE - PCM signed 16 bits */

    AUDIO_FORMAT_PCM_SUB_8_BIT           = 0x2, /* DO NOT CHANGE - PCM unsigned 8 bits */

    AUDIO_FORMAT_PCM_SUB_32_BIT          = 0x3, /* PCM signed .31 fixed point */

    AUDIO_FORMAT_PCM_SUB_8_24_BIT        = 0x4, /* PCM signed 7.24 fixed point */

} audio_format_pcm_sub_fmt_t;



/* MP3 sub format field definition : can use 11 LSBs in the same way as MP3
@@ -144,6 +146,10 @@ typedef enum { 
                                        AUDIO_FORMAT_PCM_SUB_16_BIT),

    AUDIO_FORMAT_PCM_8_BIT           = (AUDIO_FORMAT_PCM |

                                        AUDIO_FORMAT_PCM_SUB_8_BIT),

    AUDIO_FORMAT_PCM_32_BIT          = (AUDIO_FORMAT_PCM |

                                        AUDIO_FORMAT_PCM_SUB_32_BIT),

    AUDIO_FORMAT_PCM_8_24_BIT        = (AUDIO_FORMAT_PCM |

                                        AUDIO_FORMAT_PCM_SUB_8_24_BIT),

} audio_format_t;



/* Channel mask definitions must be kept in sync with JAVA values in