From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: broonie@kernel.org
Cc: vkoul@kernel.org, perex@perex.cz, tiwai@suse.com,
lgirdwood@gmail.com, alsa-devel@alsa-project.org,
linux-kernel@vger.kernel.org, ckeepax@opensource.cirrus.com,
pierre-louis.bossart@linux.intel.com,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH v3 07/10] ASoC: q6asm-dai: add next track metadata support
Date: Mon, 27 Jul 2020 10:38:03 +0100 [thread overview]
Message-ID: <20200727093806.17089-8-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <20200727093806.17089-1-srinivas.kandagatla@linaro.org>
This patch adds support to metadata required to do a gapless playback.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
sound/soc/qcom/qdsp6/q6asm-dai.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index 4652c78d57c5..a7fe4147c0a2 100644
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -70,6 +70,8 @@ struct q6asm_dai_rtd {
uint32_t stream_id;
uint16_t session_id;
enum stream_state state;
+ uint32_t initial_samples_drop;
+ uint32_t trailing_samples_drop;
};
struct q6asm_dai_data {
@@ -868,6 +870,29 @@ static int q6asm_dai_compr_set_params(struct snd_soc_component *component,
return 0;
}
+static int q6asm_dai_compr_set_metadata(struct snd_soc_component *component,
+ struct snd_compr_stream *stream,
+ struct snd_compr_metadata *metadata)
+{
+ struct snd_compr_runtime *runtime = stream->runtime;
+ struct q6asm_dai_rtd *prtd = runtime->private_data;
+ int ret = 0;
+
+ switch (metadata->key) {
+ case SNDRV_COMPRESS_ENCODER_PADDING:
+ prtd->trailing_samples_drop = metadata->value[0];
+ break;
+ case SNDRV_COMPRESS_ENCODER_DELAY:
+ prtd->initial_samples_drop = metadata->value[0];
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
static int q6asm_dai_compr_trigger(struct snd_soc_component *component,
struct snd_compr_stream *stream, int cmd)
{
@@ -984,6 +1009,7 @@ static struct snd_compress_ops q6asm_dai_compress_ops = {
.open = q6asm_dai_compr_open,
.free = q6asm_dai_compr_free,
.set_params = q6asm_dai_compr_set_params,
+ .set_metadata = q6asm_dai_compr_set_metadata,
.pointer = q6asm_dai_compr_pointer,
.trigger = q6asm_dai_compr_trigger,
.get_caps = q6asm_dai_compr_get_caps,
--
2.21.0
next prev parent reply other threads:[~2020-07-27 9:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-27 9:37 [PATCH v3 00/10] ASoC: qdsp6: add gapless compressed audio support Srinivas Kandagatla
2020-07-27 9:37 ` [PATCH v3 01/10] ASoC: q6asm: rename misleading session id variable Srinivas Kandagatla
2020-07-27 9:37 ` [PATCH v3 02/10] ASoC: q6asm: make commands specific to streams Srinivas Kandagatla
2020-07-27 9:37 ` [PATCH v3 03/10] ASoC: q6asm: use flags directly from q6asm-dai Srinivas Kandagatla
2020-07-27 9:38 ` [PATCH v3 04/10] ASoC: q6asm: add length to write command token Srinivas Kandagatla
2020-07-27 9:38 ` [PATCH v3 05/10] ASoC: q6asm: add support to remove intial and trailing silence Srinivas Kandagatla
2020-07-27 9:38 ` [PATCH v3 06/10] ASoC: q6asm: add support to gapless flag in q6asm open Srinivas Kandagatla
2020-07-27 9:38 ` Srinivas Kandagatla [this message]
2020-07-27 9:38 ` [PATCH v3 08/10] ASoC: q6asm-dai: prepare set params to accept profile change Srinivas Kandagatla
2020-07-27 9:38 ` [PATCH v3 09/10] ASoC: q6asm-dai: add gapless support Srinivas Kandagatla
2020-07-27 9:38 ` [PATCH v3 10/10] ASoC: q6asm-dai: add support to copy callback Srinivas Kandagatla
2020-07-27 15:24 ` [PATCH v3 00/10] ASoC: qdsp6: add gapless compressed audio support Pierre-Louis Bossart
2020-07-28 12:02 ` Vinod Koul
2020-08-18 16:55 ` Mark Brown
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