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Add support for trace logging in lockfree ringbuffer

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Fix some crashes when the connection is dead.
Small cleanups in the audio mixer
Only propose alloc_buffer when we are using export_buf in v4l2
This commit is contained in:
Wim Taymans 2017-04-27 17:17:47 +02:00
parent b51d3e4862
commit 214a0e27d8
10 changed files with 248 additions and 83 deletions
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36
spa/plugins/audiomixer/audiomixer.c
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@ -575,22 +575,24 @@ spa_audiomixer_node_port_send_command (SpaNode *node,
return SPA_RESULT_NOT_IMPLEMENTED;
}
static void
static inline void
add_port_data (SpaAudioMixer *this, MixerBuffer *out, SpaAudioMixerPort *port, int layer)
{
int i;
int16_t *op, *ip;
size_t os, is, chunk;
MixerBuffer *b;
SpaData *id, *od;
op = SPA_MEMBER (out->outbuf->datas[0].data, out->outbuf->datas[0].chunk->offset, void);
os = out->outbuf->datas[0].chunk->size;
od = out->outbuf->datas;
op = SPA_MEMBER (od[0].data, od[0].chunk->offset, void);
os = od[0].chunk->size;
b = spa_list_first (&port->queue, MixerBuffer, link);
ip = SPA_MEMBER (b->outbuf->datas[0].data,
port->queued_offset + b->outbuf->datas[0].chunk->offset, void);
is = b->outbuf->datas[0].chunk->size - port->queued_offset;
id = b->outbuf->datas;
ip = SPA_MEMBER (id[0].data, port->queued_offset + id[0].chunk->offset, void);
is = id[0].chunk->size - port->queued_offset;
chunk = SPA_MIN (os, is);
@ -629,6 +631,7 @@ mix_output (SpaAudioMixer *this, size_t n_bytes)
int i, layer;
SpaAudioMixerPort *outport;
SpaPortIO *output;
SpaData *od;
outport = &this->out_ports[0];
output = outport->io;
@ -638,16 +641,16 @@ mix_output (SpaAudioMixer *this, size_t n_bytes)
outbuf = spa_list_first (&outport->queue, MixerBuffer, link);
spa_list_remove (&outbuf->link);
outbuf->outstanding = true;
n_bytes = SPA_MIN (n_bytes, outbuf->outbuf->datas[0].maxsize);
od = outbuf->outbuf->datas;
n_bytes = SPA_MIN (n_bytes, od[0].maxsize);
od[0].chunk->offset = 0;
od[0].chunk->size = n_bytes;
od[0].chunk->stride = 0;
spa_log_trace (this->log, "audiomixer %p: dequeue output buffer %d %zd", this, outbuf->outbuf->id, n_bytes);
outbuf->outstanding = true;
outbuf->outbuf->datas[0].chunk->offset = 0;
outbuf->outbuf->datas[0].chunk->size = n_bytes;
outbuf->outbuf->datas[0].chunk->stride = 0;
for (layer = 0, i = 0; i < MAX_PORTS; i++) {
SpaAudioMixerPort *port = &this->in_ports[i];
@ -662,11 +665,6 @@ mix_output (SpaAudioMixer *this, size_t n_bytes)
}
add_port_data (this, outbuf, port, layer++);
}
if (layer == 0) {
this->state = STATE_IN;
return SPA_RESULT_NEED_INPUT;
}
output->buffer_id = outbuf->outbuf->id;
output->status = SPA_RESULT_HAVE_OUTPUT;
this->state = STATE_OUT;
@ -747,10 +745,8 @@ spa_audiomixer_node_process_output (SpaNode *node)
this = SPA_CONTAINER_OF (node, SpaAudioMixer, node);
port = &this->out_ports[0];
spa_return_val_if_fail (port->io != NULL, SPA_RESULT_ERROR);
output = port->io;
spa_return_val_if_fail (port->n_buffers > 0, SPA_RESULT_NO_BUFFERS);
spa_return_val_if_fail (output != NULL, SPA_RESULT_ERROR);
/* recycle */
if (output->buffer_id != SPA_ID_INVALID) {