| Message ID | 20210522013303.49596-1-o-takashi@sakamocchi.jp |
|---|---|
| Headers | show |
| Series | ALSA: firewire-lib: code refactoring for processing rx packets | expand |
On Sat, 22 May 2021 03:32:57 +0200, Takashi Sakamoto wrote: > > Hi, > > This patchset refactors mainly for processing rx packets. > > Except for devices handled by ALSA bebob and dice drivers, the devices > doesn't take care of the value of syt field of CIP header for playback > timing. To code it explicitly, the new flag is added in 1st patch. > > Some of devices based on DICE ASICs supports two pairs of packet > streams. In the case, the sequence of rx packet in the streams should > be different independently so that each of them deliver timing > information from each peer. On the other hand, current implementation > pools the sequence in AMDTP domain, then the rx packets are processed > with the same pool. It is inconvenient and in 2nd patch the pool is > prepared per streams. > > The other patches are for my future work. > > > Regards > > Takashi Sakamoto (6): > ALSA: firewire-lib: add flag to unaware of syt in CIP header > ALSA: firewire-lib: pool sequence of packet in IT context > independently > ALSA: firewire-lib: code refactoring for generation of packet > descriptors > ALSA: firewire-lib: code refactoring for generation of syt sequence > ALSA: firewire-lib: code refactoring for generation of data block > sequence > ALSA: firewire-lib: code refactoring for transfer delay Thanks, applied all six patches now. Takashi
Hi, This patchset refactors mainly for processing rx packets. Except for devices handled by ALSA bebob and dice drivers, the devices doesn't take care of the value of syt field of CIP header for playback timing. To code it explicitly, the new flag is added in 1st patch. Some of devices based on DICE ASICs supports two pairs of packet streams. In the case, the sequence of rx packet in the streams should be different independently so that each of them deliver timing information from each peer. On the other hand, current implementation pools the sequence in AMDTP domain, then the rx packets are processed with the same pool. It is inconvenient and in 2nd patch the pool is prepared per streams. The other patches are for my future work. Regards Takashi Sakamoto (6): ALSA: firewire-lib: add flag to unaware of syt in CIP header ALSA: firewire-lib: pool sequence of packet in IT context independently ALSA: firewire-lib: code refactoring for generation of packet descriptors ALSA: firewire-lib: code refactoring for generation of syt sequence ALSA: firewire-lib: code refactoring for generation of data block sequence ALSA: firewire-lib: code refactoring for transfer delay sound/firewire/amdtp-stream.c | 267 +++++++++++++-------------- sound/firewire/amdtp-stream.h | 33 ++-- sound/firewire/motu/amdtp-motu.c | 4 +- sound/firewire/tascam/amdtp-tascam.c | 6 +- 4 files changed, 146 insertions(+), 164 deletions(-)