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@xxxxxxxx/ > 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
