diff options
Diffstat (limited to 'include/uapi/sound/compress_offload.h')
| -rw-r--r-- | include/uapi/sound/compress_offload.h | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index d62eb93af0ed..b610683fd8db 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -13,8 +13,7 @@ #include <sound/asound.h> #include <sound/compress_params.h> - -#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 3, 0) +#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 4, 1) /** * struct snd_compressed_buffer - compressed buffer * @fragment_size: size of buffer fragment in bytes @@ -57,6 +56,25 @@ struct snd_compr_tstamp { } __attribute__((packed, aligned(4))); /** + * struct snd_compr_tstamp64 - timestamp descriptor with fields in 64 bit + * @byte_offset: Byte offset in ring buffer to DSP + * @copied_total: Total number of bytes copied from/to ring buffer to/by DSP + * @pcm_frames: Frames decoded or encoded by DSP. This field will evolve by + * large steps and should only be used to monitor encoding/decoding + * progress. It shall not be used for timing estimates. + * @pcm_io_frames: Frames rendered or received by DSP into a mixer or an audio + * output/input. This field should be used for A/V sync or time estimates. + * @sampling_rate: sampling rate of audio + */ +struct snd_compr_tstamp64 { + __u32 byte_offset; + __u64 copied_total; + __u64 pcm_frames; + __u64 pcm_io_frames; + __u32 sampling_rate; +} __attribute__((packed, aligned(4))); + +/** * struct snd_compr_avail - avail descriptor * @avail: Number of bytes available in ring buffer for writing/reading * @tstamp: timestamp information @@ -66,6 +84,16 @@ struct snd_compr_avail { struct snd_compr_tstamp tstamp; } __attribute__((packed, aligned(4))); +/** + * struct snd_compr_avail64 - avail descriptor with tstamp in 64 bit format + * @avail: Number of bytes available in ring buffer for writing/reading + * @tstamp: timestamp information + */ +struct snd_compr_avail64 { + __u64 avail; + struct snd_compr_tstamp64 tstamp; +} __attribute__((packed, aligned(4))); + enum snd_compr_direction { SND_COMPRESS_PLAYBACK = 0, SND_COMPRESS_CAPTURE, @@ -189,6 +217,7 @@ struct snd_compr_task_status { * Note: only codec params can be changed runtime and stream params cant be * SNDRV_COMPRESS_GET_PARAMS: Query codec params * SNDRV_COMPRESS_TSTAMP: get the current timestamp value + * SNDRV_COMPRESS_TSTAMP64: get the current timestamp value in 64 bit format * SNDRV_COMPRESS_AVAIL: get the current buffer avail value. * This also queries the tstamp properties * SNDRV_COMPRESS_PAUSE: Pause the running stream @@ -211,6 +240,8 @@ struct snd_compr_task_status { struct snd_compr_metadata) #define SNDRV_COMPRESS_TSTAMP _IOR('C', 0x20, struct snd_compr_tstamp) #define SNDRV_COMPRESS_AVAIL _IOR('C', 0x21, struct snd_compr_avail) +#define SNDRV_COMPRESS_TSTAMP64 _IOR('C', 0x22, struct snd_compr_tstamp64) +#define SNDRV_COMPRESS_AVAIL64 _IOR('C', 0x23, struct snd_compr_avail64) #define SNDRV_COMPRESS_PAUSE _IO('C', 0x30) #define SNDRV_COMPRESS_RESUME _IO('C', 0x31) #define SNDRV_COMPRESS_START _IO('C', 0x32) |