linux-kernel - [PATCH 6/9] ALSA: compress: add alac & ape decoder params

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Message-Id: <20200313070847.1464977-7-vkoul@kernel.org>
Date:   Fri, 13 Mar 2020 12:38:44 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH 6/9] ALSA: compress: add alac & ape decoder params

Add ALAC (Apple Lossless Audio Codec) and APE (Monkey's Lossless Audio
Codec) defines and parameters required to configure these.

Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 include/uapi/sound/compress_params.h | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h
index 19d69d626573..cf57c7f74635 100644
--- a/include/uapi/sound/compress_params.h
+++ b/include/uapi/sound/compress_params.h
@@ -75,7 +75,9 @@
 #define SND_AUDIOCODEC_G723_1                ((__u32) 0x0000000C)
 #define SND_AUDIOCODEC_G729                  ((__u32) 0x0000000D)
 #define SND_AUDIOCODEC_BESPOKE               ((__u32) 0x0000000E)
-#define SND_AUDIOCODEC_MAX                   SND_AUDIOCODEC_BESPOKE
+#define SND_AUDIOCODEC_ALAC                  ((__u32) 0x0000000F)
+#define SND_AUDIOCODEC_APE                   ((__u32) 0x00000010)
+#define SND_AUDIOCODEC_MAX                   SND_AUDIOCODEC_APE
 
 /*
  * Profile and modes are listed with bit masks. This allows for a
@@ -336,6 +338,26 @@ struct snd_dec_wma {
 	__u32 reserved;
 } __attribute__((packed, aligned(4)));
 
+struct snd_dec_alac {
+	__u32 frame_length;
+	__u8 compatible_version;
+	__u8 pb;
+	__u8 mb;
+	__u8 kb;
+	__u32 max_run;
+	__u32 max_frame_bytes;
+} __attribute__((packed, aligned(4)));
+
+struct snd_dec_ape {
+	__u16 compatible_version;
+	__u16 compression_level;
+	__u32 format_flags;
+	__u32 blocks_per_frame;
+	__u32 final_frame_blocks;
+	__u32 total_frames;
+	__u32 seek_table_present;
+} __attribute__((packed, aligned(4)));
+
 union snd_codec_options {
 	struct snd_enc_wma wma;
 	struct snd_enc_vorbis vorbis;
@@ -344,6 +366,8 @@ union snd_codec_options {
 	struct snd_enc_generic generic;
 	struct snd_dec_flac flac_d;
 	struct snd_dec_wma wma_d;
+	struct snd_dec_alac alac_d;
+	struct snd_dec_ape ape_d;
 } __attribute__((packed, aligned(4)));
 
 /** struct snd_codec_desc - description of codec capabilities
-- 
2.24.1