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In IEC 61883-6, PCM frames are transferred in Multi Bit Linear Audio data channel. The data channel transfers 16/20/24 bit PCM samples. Thus, PCM substream has a constrain about it. This commit moves codes related to the constraint from packet streaming layer to AM824 data block processing layer. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
18 lines
572 B
C
18 lines
572 B
C
#ifndef SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
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#define SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
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#include <sound/pcm.h>
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#include "amdtp-stream.h"
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int amdtp_am824_set_parameters(struct amdtp_stream *s, unsigned int rate,
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unsigned int pcm_channels,
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unsigned int midi_ports,
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bool double_pcm_frames);
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int amdtp_am824_add_pcm_hw_constraints(struct amdtp_stream *s,
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struct snd_pcm_runtime *runtime);
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int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,
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enum amdtp_stream_direction dir, enum cip_flags flags);
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#endif
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