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Improve memory handling

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Reserve 0,0 for stack allocated mem that we never free
Improve allocation in the link
Parse format and properties in-line, there is no need to allocate
memory.
Improve buffer cleanup in alsa
Add timestamps and offset to alsa
This commit is contained in:
Wim Taymans 2016-09-20 19:52:05 +02:00
parent 77f93e37ed
commit 27acab7532
7 changed files with 155 additions and 69 deletions
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13
spa/plugins/alsa/alsa-utils.c
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@ -318,15 +318,25 @@ mmap_read (SpaALSAState *state)
avail = snd_pcm_status_get_avail (status);
snd_pcm_status_get_htstamp (status, &htstamp);
now = (int64_t)htstamp.tv_sec * 1000000000ll + (int64_t)htstamp.tv_nsec;
now = (int64_t)htstamp.tv_sec * SPA_NSEC_PER_SEC + (int64_t)htstamp.tv_nsec;
state->last_ticks = state->sample_count * SPA_USEC_PER_SEC / state->rate;
state->last_monotonic = now;
SPA_QUEUE_POP_HEAD (&state->free, SpaALSABuffer, next, b);
if (b == NULL) {
fprintf (stderr, "no more buffers\n");
} else {
dest = b->ptr;
if (b->h) {
b->h->seq = state->sample_count;
b->h->pts = state->last_monotonic;
b->h->dts_offset = 0;
}
}
state->sample_count += avail;
size = avail;
while (size > 0) {
frames = size;
@ -358,6 +368,7 @@ mmap_read (SpaALSAState *state)
size -= frames;
}
if (b) {
SpaNodeEvent event;
SpaNodeEventHaveOutput ho;