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msm: audio: support for gapless_pcm

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snd_codec_option structure for gapless_pcm_playback.
This is used for updating the channels in gapless pcm
cases.

Change-Id: Id0d950f0f431e5d9fe2a8ccd5e5124a235b66f27
Acked-by: Janamaddi Sravan Kumar <c_jsrava@qti.qualcomm.com>
Signed-off-by: Nidhisha Dhananjayan <nidhis@codeaurora.org>
This commit is contained in:
Nidhisha Dhananjayan
2019-02-13 15:04:28 +05:30
parent 71f1e4e513
commit 01d649fdf6
1 changed files with 13 additions and 0 deletions
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13
include/uapi/sound/compress_params.h
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@@ -56,6 +56,9 @@
#define SND_DEC_DDP_MAX_PARAMS 18
/* Maximum PCM channels */
#define MAX_PCM_DECODE_CHANNELS 32
/* AUDIO CODECS SUPPORTED */
#define MAX_NUM_CODECS 32
#define MAX_NUM_CODEC_DESCRIPTORS 32
@@ -416,6 +419,15 @@ struct snd_dec_aptx {
__u32 nap;
};
/** struct snd_dec_pcm - codec options for PCM format
* @num_channels: Number of channels
* @ch_map: Channel map for the above corresponding channels
*/
struct snd_dec_pcm {
__u32 num_channels;
__u8 ch_map[MAX_PCM_DECODE_CHANNELS];
} __attribute__((packed, aligned(4)));
union snd_codec_options {
struct snd_enc_wma wma;
struct snd_enc_vorbis vorbis;
@@ -429,6 +441,7 @@ union snd_codec_options {
struct snd_dec_ape ape;
struct snd_dec_aptx aptx_dec;
struct snd_dec_thd truehd;
struct snd_dec_pcm pcm_dec;
};
/** struct snd_codec_desc - description of codec capabilities