From: Vinod Koul <vkoul@kernel.org>
To: Shengjiu Wang <shengjiu.wang@nxp.com>
Cc: perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org,
linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com,
nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v4 0/7] ASoC: fsl: add memory to memory function for ASRC
Date: Wed, 23 Oct 2024 11:02:38 +0530 [thread overview]
Message-ID: <ZxiKdpeuIhe/DiV4@vaman> (raw)
In-Reply-To: <1727247316-16156-1-git-send-email-shengjiu.wang@nxp.com>
On 25-09-24, 14:55, Shengjiu Wang wrote:
> This function is base on the accelerator implementation
> for compress API:
> https://patchwork.kernel.org/project/alsa-devel/patch/20240731083843.59911-1-perex@perex.cz/
> Add it to this patch set.
>
> Audio signal processing also has the requirement for memory to
> memory similar as Video.
>
> This asrc memory to memory (memory ->asrc->memory) case is a non
> real time use case.
>
> User fills the input buffer to the asrc module, after conversion, then asrc
> sends back the output buffer to user. So it is not a traditional ALSA playback
> and capture case.
>
> Because we had implemented the "memory -> asrc ->i2s device-> codec"
> use case in ALSA. Now the "memory->asrc->memory" needs
> to reuse the code in asrc driver, so the patch 1 and patch 2 is for refining
> the code to make it can be shared by the "memory->asrc->memory"
> driver.
>
> Other change is to add memory to memory support for two kinds of i.MX ASRC
> modules.
Are there any patches for tinycompress to use the new IOCTLs here, I
would like to see those changes as well
--
~Vinod
next prev parent reply other threads:[~2024-10-23 5:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-25 6:55 [PATCH v4 0/7] ASoC: fsl: add memory to memory function for ASRC Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 1/7] ALSA: compress_offload: introduce accel operation mode Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 2/7] ALSA: compress: Add output rate and output format support Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 3/7] ASoC: fsl_asrc: define functions for memory to memory usage Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 4/7] ASoC: fsl_easrc: " Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 5/7] ASoC: fsl_asrc_m2m: Add memory to memory function Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 6/7] ASoC: fsl_asrc: register m2m platform device Shengjiu Wang
2024-09-25 6:55 ` [PATCH v4 7/7] ASoC: fsl_easrc: " Shengjiu Wang
2024-10-14 10:07 ` [PATCH v4 0/7] ASoC: fsl: add memory to memory function for ASRC Takashi Iwai
2024-10-23 5:32 ` Vinod Koul [this message]
2024-10-24 5:17 ` Shengjiu Wang
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