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d="scan'208";a="464099679" Received: from pdewan-mobl1.amr.corp.intel.com (HELO [10.255.228.220]) ([10.255.228.220]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2020 08:31:58 -0700 Subject: Re: [PATCH v3 00/10] ASoC: qdsp6: add gapless compressed audio support To: Srinivas Kandagatla , broonie@kernel.org References: <20200727093806.17089-1-srinivas.kandagatla@linaro.org> From: Pierre-Louis Bossart Message-ID: <5f3e6f81-965e-d7e2-bd93-edb54f72e478@linux.intel.com> Date: Mon, 27 Jul 2020 10:24:34 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200727093806.17089-1-srinivas.kandagatla@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Cc: alsa-devel@alsa-project.org, ckeepax@opensource.cirrus.com, tiwai@suse.com, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, vkoul@kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 7/27/20 4:37 AM, Srinivas Kandagatla wrote: > This patchset adds gapless compressed audio support on q6asm. > Gapless on q6asm is implemented using 2 streams in a single q6asm session. > > First few patches such as stream id per each command, gapless flags > and silence meta data are for preparedness for adding gapless support. > Last patch implements copy callback to allow finer control over buffer offsets, > specially in partial drain cases. > > This patchset is tested on RB3 aka DB845c platform. > > This patchset as it is will support gapless however QDSP can also > support switching decoders on a single stream. Patches to support such feature > are send in different patchset which involves adding generic interfaces. > > Thanks, > srini I've run out of comments :-) Reviewed-by: Pierre-Louis Bossart > Changes since v2:(mostly suggested by Pierre) > - removed unnessary kernel style comments, > - moved TIMESTAMP flag to respective patch. > - move preparatory code from gapless support patch to new one. > - fix subject prefix of one patch. > - add comments to clarify valid stream_ids > > Srinivas Kandagatla (10): > ASoC: q6asm: rename misleading session id variable > ASoC: q6asm: make commands specific to streams > ASoC: q6asm: use flags directly from q6asm-dai > ASoC: q6asm: add length to write command token > ASoC: q6asm: add support to remove intial and trailing silence > ASoC: q6asm: add support to gapless flag in q6asm open > ASoC: q6asm-dai: add next track metadata support > ASoC: q6asm-dai: prepare set params to accept profile change > ASoC: q6asm-dai: add gapless support > ASoC: q6asm-dai: add support to copy callback > > sound/soc/qcom/qdsp6/q6asm-dai.c | 414 +++++++++++++++++++++++-------- > sound/soc/qcom/qdsp6/q6asm.c | 169 +++++++++---- > sound/soc/qcom/qdsp6/q6asm.h | 49 ++-- > 3 files changed, 469 insertions(+), 163 deletions(-) >