As agreed during the ASoC workshop in May 2011, this set of patches are a proposal from Intel to add a new compressed data interface to ALSA. This proposal builds on the existing Intel solution and the experience gathered over two years with Meego and Android solutions. This proposal is no longer Intel-specific and was generalized with the addition of a basic core; codec-related definitions are based on the vendor-neutral OpenMAX AL standard. The code as is isn't functional and will need low-level hardware-specific drivers and a tighter integration with ALSA and ASoC. The main ideas will be presented during the Linux Plumbers Conference on September 9. Feedback through the mailing list would be greatly appreciated as well. Future versions will include support for capture, mmap, integration with alsa, asoc, dsp etc Support for effects is beyond the scope of this interface.
Vinod Koul (5): compress API documentation compress: add compress parameter definations compress: add API header and driver header files compress: add the core file compress: add makefile and kconfig file
.../sound/alsa/compress/snd_compress_data.txt | 186 ++++++ include/sound/compress_driver.h | 138 +++++ include/sound/compress_offload.h | 137 +++++ include/sound/snd_compress_params.h | 396 ++++++++++++ sound/Kconfig | 2 + sound/Makefile | 3 +- sound/compress_offload/Kconfig | 12 + sound/compress_offload/Makefile | 3 + sound/compress_offload/core.c | 632 ++++++++++++++++++++ 9 files changed, 1508 insertions(+), 1 deletions(-) create mode 100644 Documentation/sound/alsa/compress/snd_compress_data.txt create mode 100644 include/sound/compress_driver.h create mode 100644 include/sound/compress_offload.h create mode 100644 include/sound/snd_compress_params.h create mode 100644 sound/compress_offload/Kconfig create mode 100644 sound/compress_offload/Makefile create mode 100644 sound/compress_offload/core.c