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small fixes

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This commit is contained in:
Wim Taymans 2017-04-08 20:59:38 +02:00
parent d3682067fa
commit 9bd92b781c
3 changed files with 30 additions and 9 deletions
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16
spa/plugins/audiomixer/audiomixer.c
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@ -576,6 +576,17 @@ spa_audiomixer_node_port_send_command (SpaNode *node,
return SPA_RESULT_NOT_IMPLEMENTED;
}
static void
clear_buffer (SpaAudioMixer *this, MixerBuffer *out)
{
int16_t *op;
size_t os;
op = SPA_MEMBER (out->outbuf->datas[0].data, out->outbuf->datas[0].chunk->offset, void);
os = out->outbuf->datas[0].chunk->size;
memset (op, 0, os);
}
static void
add_port_data (SpaAudioMixer *this, MixerBuffer *out, SpaAudioMixerPort *port, int layer)
{
@ -634,7 +645,7 @@ spa_audiomixer_node_process_input (SpaNode *node)
SpaAudioMixerPort *port = &this->in_ports[i];
SpaPortIO *input;
if ((input = port->io) == NULL)
if ((input = port->io) == NULL || port->n_buffers == 0)
continue;
if (input->buffer_id != SPA_ID_INVALID) {
@ -691,6 +702,9 @@ spa_audiomixer_node_process_input (SpaNode *node)
add_port_data (this, outbuf, port, layer++);
}
if (layer == 0)
clear_buffer (this, outbuf);
output = outport->io;
output->buffer_id = outbuf->outbuf->id;
output->status = SPA_RESULT_OK;