commit 4d5a622bdac3da93acee15d1a27d8aca18f00d8c
author Ritu Sharma <quic_ritushar@quicinc.com> Wed May 29 11:48:16 2024 +0530
committer Ajender Reddy <quic_ajender@quicinc.com> Mon Oct 21 12:39:48 2024 +0000
tree bd83afea81e83282d7de983f2d3cbfbe4590afbd
parent 80b3183143d24021b29f7afd147b55625f39a2ef

tinycompress: Add support for compress_set_codec_params API Add support for compress_set_codec_params API which is used to send codec parameters from clients directly. CRs-Fixed: 2926417 Change-Id: I83f52378e288f15bccfc8a7798d33943a02d5e52 (cherry picked from commit 59ab62c9cd847563a68ef88b81eec9014413f23a) 

compress.c

diff --git a/compress.c b/compress.c index ac2c73f..027d36d 100644 --- a/compress.c +++ b/compress.c @@ -619,6 +619,25 @@ 	return oops(compress, EIO, "poll signalled unhandled event");  }   +int compress_set_codec_params(struct compress *compress, +	struct snd_codec *codec) { +	struct snd_compr_params params; + +	if (!is_compress_ready(compress) || !compress->next_track) +	return oops(compress, ENODEV, "device not ready"); + +	params.buffer.fragment_size = compress->config->fragment_size; +	params.buffer.fragments = compress->config->fragments; +	memcpy(&params.codec, codec, sizeof(params.codec)); +	memcpy(&compress->config->codec, codec, sizeof(struct snd_codec)); + +	if (compress->ops->ioctl(compress->data, SNDRV_COMPRESS_SET_PARAMS, &params)) +	return oops(compress, errno, "cannot set device"); + +	compress->next_track = 0; +	return 0; +} +  #ifdef ENABLE_EXTENDED_COMPRESS_FORMAT  int compress_get_metadata(struct compress *compress, 	struct snd_compr_metadata *mdata) { 

compress_plugin.c

diff --git a/compress_plugin.c b/compress_plugin.c index 7a5538d..eac0f38 100644 --- a/compress_plugin.c +++ b/compress_plugin.c @@ -84,7 +84,9 @@ 	struct compress_plugin *plugin = plug_data->plugin; 	int rc;   -	if (plugin->state != COMPRESS_PLUG_STATE_OPEN) +	if (plugin->state == COMPRESS_PLUG_STATE_RUNNING) +	return plugin->ops->set_params(plugin, params); +	else if (plugin->state != COMPRESS_PLUG_STATE_OPEN) 	return -EBADFD;   	if (params->buffer.fragment_size == 0 || 

include/tinycompress/tinycompress.h

diff --git a/include/tinycompress/tinycompress.h b/include/tinycompress/tinycompress.h index 0ab7134..d430e4d 100644 --- a/include/tinycompress/tinycompress.h +++ b/include/tinycompress/tinycompress.h @@ -309,6 +309,17 @@  /* utility functions */  unsigned int compress_get_alsa_rate(unsigned int rate);   + /* + * compress_set_codec_params: set codec config intended for next track + * if DSP has support to switch CODEC config during gapless playback + * This API is expected to be called after compress_next_track is called + * return 0 on success, negative on error + * + * @compress: compress stream for which metadata has to set + * @codec: codec configuration for next track + */ +int compress_set_codec_params(struct compress *compress, struct snd_codec *codec); +  #ifdef ENABLE_EXTENDED_COMPRESS_FORMAT  /* set metadata */  int compress_set_metadata(struct compress *compress,