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1. Add the ability to work back through queued buffers to find the first buffer that’s older than the given one. This is to enable the replacement of deciphered buffers with buffers that arrive later but are timed earlier.
Added functions that relate to this are: get_revised_seqno() to wind back through the queued buffers and clear_buffers_from() to free buffers that are already occupied.

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2. Clean up get_audio_buffer_size_and_occupancy() and replace it with get_audio_buffer_occupancy().
3. Add a new general setting: audio_decoded_buffer_desired_length_in_seconds for managing the size of the player buffer queue when the source is buffered audio. Default is 0.75 seconds so that we can step back up to that time if older buffers appear.
This commit is contained in:
Mike Brady
2025-12-14 10:17:38 +00:00
parent ee56f778fd
commit 07b60e7112
10 changed files with 119 additions and 32 deletions
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rtsp.c
+5 -5
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@@ -1929,7 +1929,7 @@ struct pairings {
uint8_t public_key[32];
struct pairings *next;
} *pairings;
} * pairings;
static struct pairings *pairing_find(const char *device_id) {
for (struct pairings *pairing = pairings; pairing; pairing = pairing->next) {
@@ -4347,9 +4347,9 @@ static void handle_announce(rtsp_conn_info *conn, rtsp_message *req, rtsp_messag
#ifdef CONFIG_AIRPLAY_2
// In AirPlay 2, an ANNOUNCE signifies the start of an AirPlay 1 session.
debug(1, "Connection %d: %s connection from %s:%u to self at %s:%u.",
conn->connection_number, get_category_string(conn->airplay_stream_category), conn->client_ip_string, conn->client_rtsp_port,
conn->self_ip_string, conn->self_rtsp_port);
debug(1, "Connection %d: %s connection from %s:%u to self at %s:%u.", conn->connection_number,
get_category_string(conn->airplay_stream_category), conn->client_ip_string,
conn->client_rtsp_port, conn->self_ip_string, conn->self_rtsp_port);
conn->airplay_type = ap_1;
conn->timing_type = ts_ntp;
conn->type = 96; // this is the AirPlay 2 code for Realtime Audio -- not sure it's right
@@ -4911,7 +4911,7 @@ void rtsp_conversation_thread_cleanup_function(void *arg) {
} while ((conn->ap2_event_receiver_exited == 0) && (event_receiver_wait_time < 2000000000L));
if (conn->ap2_event_receiver_exited == 0) {
debug(1, "Connection %d: %s event receiver has not exited, so cancelling it.",
debug(2, "Connection %d: %s event receiver has not exited, so cancelling it.",
conn->connection_number, get_category_string(conn->airplay_stream_category));
pthread_cancel(*conn->rtp_event_thread);
}