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module-rtp: send journal feedback

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Parse the journal and send feedback.
Handle the NO and RS commands.
This commit is contained in:
Wim Taymans 2023-03-10 10:47:03 +01:00
parent 1276c946fd
commit f841a0d3f1
7 changed files with 124 additions and 8 deletions
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21
src/modules/module-rtp/midi.c
View file

@ -126,6 +126,13 @@ static int get_midi_size(uint8_t *p, uint32_t avail)
}
return size;
}
static int parse_journal(struct impl *impl, uint8_t *packet, uint16_t seq, uint32_t len)
{
struct rtp_midi_journal *j = (struct rtp_midi_journal*)packet;
uint16_t seqnum = ntohs(j->checkpoint_seqnum);
rtp_stream_emit_send_feedback(impl, seqnum);
return 0;
}
static double get_time(struct impl *impl)
{
@ -143,8 +150,8 @@ static double get_time(struct impl *impl)
return t;
}
static int receive_midi(struct impl *impl, uint8_t *packet,
uint32_t timestamp, uint32_t payload_offset, uint32_t plen)
static int receive_midi(struct impl *impl, uint8_t *packet, uint32_t timestamp,
uint16_t seq, uint32_t payload_offset, uint32_t plen)
{
uint32_t write;
struct rtp_midi_header *hdr;
@ -160,7 +167,7 @@ static int receive_midi(struct impl *impl, uint8_t *packet,
* midi events and render them in the corresponding cycle */
if (!impl->have_sync) {
pw_log_info("sync to timestamp:%u seq:%u ts_offset:%u SSRC:%u direct:%d",
timestamp, impl->seq-1, impl->ts_offset, impl->ssrc,
timestamp, seq, impl->ts_offset, impl->ssrc,
impl->direct_timestamp);
impl->have_sync = true;
}
@ -186,7 +193,7 @@ static int receive_midi(struct impl *impl, uint8_t *packet,
spa_dll_set_bw(&impl->dll, SPA_DLL_BW_MIN, 256, impl->rate);
pw_log_info("sync to timestamp:%u seq:%u ts_offset:%u SSRC:%u direct:%d",
timestamp, impl->seq-1, impl->ts_offset, impl->ssrc,
timestamp, seq, impl->ts_offset, impl->ssrc,
impl->direct_timestamp);
impl->have_sync = true;
impl->ring.readindex = impl->ring.writeindex;
@ -221,6 +228,8 @@ static int receive_midi(struct impl *impl, uint8_t *packet,
pw_log_warn("invalid packet %d > %d", end, plen);
return -EINVAL;
}
if (hdr->j)
parse_journal(impl, &packet[end], seq, plen - end);
ptr = SPA_PTROFF(impl->buffer, write & BUFFER_MASK2, void);
@ -258,6 +267,8 @@ static int receive_midi(struct impl *impl, uint8_t *packet,
write += b.state.offset;
spa_ringbuffer_write_update(&impl->ring, write);
return 0;
}
@ -297,7 +308,7 @@ static int receive_rtp_midi(struct impl *impl, uint8_t *buffer, ssize_t len)
impl->receiving = true;
return receive_midi(impl, buffer, timestamp, hlen, len);
return receive_midi(impl, buffer, timestamp, seq, hlen, len);
short_packet:
pw_log_warn("short packet received");