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volume: improve negotiation and params

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This commit is contained in:
Wim Taymans 2017-09-15 13:29:53 +02:00
parent 83b5765bbd
commit e641914c2f
1 changed files with 26 additions and 9 deletions
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35
spa/plugins/volume/volume.c
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@ -114,6 +114,7 @@ struct impl {
uint8_t format_buffer[1024];
struct spa_audio_info current_format;
int bpf;
struct port in_ports[1];
struct port out_ports[1];
@ -377,6 +378,7 @@ impl_node_port_set_format(struct spa_node *node,
if (!spa_format_audio_raw_parse(format, &info.info.raw, &this->type.format_audio))
return SPA_RESULT_INVALID_MEDIA_TYPE;
this->bpf = 2 * info.info.raw.channels;
this->current_format = info;
port->have_format = true;
}
@ -392,6 +394,8 @@ impl_node_port_get_format(struct spa_node *node,
{
struct impl *this;
struct port *port;
struct spa_pod_builder b = { NULL, };
struct spa_pod_frame f[2];
spa_return_val_if_fail(node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail(format != NULL, SPA_RESULT_INVALID_ARGUMENTS);
@ -406,7 +410,17 @@ impl_node_port_get_format(struct spa_node *node,
if (!port->have_format)
return SPA_RESULT_NO_FORMAT;
*format = NULL;
spa_pod_builder_init(&b, this->format_buffer, sizeof(this->format_buffer));
spa_pod_builder_format(&b, &f[0], this->type.format,
this->type.media_type.audio,
this->type.media_subtype.raw,
PROP(&f[1], this->type.format_audio.format, SPA_POD_TYPE_ID,
this->current_format.info.raw.format),
PROP(&f[1], this->type.format_audio.rate, SPA_POD_TYPE_INT,
this->current_format.info.raw.rate),
PROP(&f[1], this->type.format_audio.channels, SPA_POD_TYPE_INT,
this->current_format.info.raw.channels));
*format = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_format);
return SPA_RESULT_OK;
}
@ -461,15 +475,14 @@ impl_node_port_enum_params(struct spa_node *node,
switch (index) {
case 0:
spa_pod_builder_object(&b, &f[0], 0, this->type.param_alloc_buffers.Buffers,
PROP(&f[1], this->type.param_alloc_buffers.size, SPA_POD_TYPE_INT,
16),
PROP(&f[1], this->type.param_alloc_buffers.stride, SPA_POD_TYPE_INT,
16),
PROP_U_MM(&f[1], this->type.param_alloc_buffers.size, SPA_POD_TYPE_INT,
1024 * this->bpf,
16 * this->bpf,
INT32_MAX / this->bpf),
PROP (&f[1], this->type.param_alloc_buffers.stride, SPA_POD_TYPE_INT, 0),
PROP_U_MM(&f[1], this->type.param_alloc_buffers.buffers, SPA_POD_TYPE_INT,
MAX_BUFFERS,
2, MAX_BUFFERS),
PROP(&f[1], this->type.param_alloc_buffers.align, SPA_POD_TYPE_INT,
16));
2, 1, MAX_BUFFERS),
PROP (&f[1], this->type.param_alloc_buffers.align, SPA_POD_TYPE_INT, 16));
break;
case 1:
@ -713,10 +726,14 @@ static int impl_node_process_input(struct spa_node *node)
if (output->status == SPA_RESULT_HAVE_BUFFER)
return SPA_RESULT_HAVE_BUFFER;
in_port = &this->in_ports[0];
input = in_port->io;
spa_return_val_if_fail(input != NULL, SPA_RESULT_ERROR);
if (input->buffer_id >= in_port->n_buffers)
return SPA_RESULT_NEED_BUFFER;
if ((dbuf = find_free_buffer(this, out_port)) == NULL)
return SPA_RESULT_OUT_OF_BUFFERS;