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module-netjack2: add MIDI send and receive

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This commit is contained in:
Wim Taymans 2023-06-08 16:38:53 +02:00
parent 98acb0d62d
commit 9dd5bab535
4 changed files with 239 additions and 87 deletions
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32
src/modules/module-netjack2/packets.h
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@ -142,27 +142,51 @@ static inline void nj2_dump_packet_header(struct nj2_packet_header *header)
pw_log_info("Is Last: %u", ntohl(header->is_last));
}
#define MIDI_INLINE_MAX 4
struct nj2_midi_event {
uint32_t time; /**< Sample index at which event is valid */
uint32_t size; /**< Number of bytes of data in the event */
union {
uint32_t offset; /**< offset in buffer */
uint8_t buffer[4]; /**< Raw inline data */
uint32_t offset; /**< offset in buffer */
uint8_t buffer[MIDI_INLINE_MAX]; /**< Raw inline data */
};
};
struct nj2_midi_buffer {
#define MIDI_BUFFER_MAGIC 0x900df00d
uint32_t magic;
int32_t buffer_size;
uint32_t buffer_size;
uint32_t nframes;
int32_t write_pos;
uint32_t write_pos;
uint32_t event_count;
uint32_t lost_events;
struct nj2_midi_event event[1];
};
static inline void nj2_midi_buffer_hton(struct nj2_midi_buffer *net,
const struct nj2_midi_buffer *host)
{
net->magic = htonl(host->magic);
net->buffer_size = htonl(host->buffer_size);
net->nframes = htonl(host->nframes);
net->write_pos = htonl(host->write_pos);
net->event_count = htonl(host->event_count);
net->lost_events = htonl(host->lost_events);
}
static inline void nj2_midi_buffer_ntoh(struct nj2_midi_buffer *host,
const struct nj2_midi_buffer *net)
{
host->magic = ntohl(net->magic);
host->buffer_size = ntohl(net->buffer_size);
host->nframes = ntohl(net->nframes);
host->write_pos = ntohl(net->write_pos);
host->event_count = ntohl(net->event_count);
host->lost_events = ntohl(net->lost_events);
}
#ifdef __cplusplus
}
#endif