pod: improve the vararg pod builder and parser

Automatically parse and build key/value when in objects without having
to prefix the key with ":"
Automatically build control/value when in sequence without the "."
prefix.
Remove the builder with key/pod, taking a reference to the stack built
temporary pods is not allowed in c++. We can use the varargs version
with the same convenient syntax.
Remove the parser "*" option, it is unused.
Improve spa_pod_builder_add_* and spa_pod_parser_get_* and make them
look similar.
This commit is contained in:
Wim Taymans 2019-01-16 11:05:12 +01:00
parent 79d68ace68
commit 80cfda89c1
59 changed files with 1833 additions and 2005 deletions

View file

@ -131,10 +131,9 @@ static int impl_node_enum_params(struct spa_node *node,
SPA_PARAM_Props };
if (*index < SPA_N_ELEMENTS(list))
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamList, id,
SPA_PARAM_LIST_id, &SPA_POD_Id(list[*index]),
0);
SPA_PARAM_LIST_id, SPA_POD_Id(list[*index]));
else
return 0;
break;
@ -142,20 +141,18 @@ static int impl_node_enum_params(struct spa_node *node,
case SPA_PARAM_PropInfo:
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_PropInfo, id,
SPA_PROP_INFO_id, &SPA_POD_Id(SPA_PROP_volume),
SPA_PROP_INFO_name, &SPA_POD_Stringc("The volume"),
SPA_PROP_INFO_type, &SPA_POD_CHOICE_RANGE_Float(p->volume, 0.0, 10.0),
0);
SPA_PROP_INFO_id, SPA_POD_Id(SPA_PROP_volume),
SPA_PROP_INFO_name, SPA_POD_String("The volume"),
SPA_PROP_INFO_type, SPA_POD_CHOICE_RANGE_Float(p->volume, 0.0, 10.0));
break;
case 1:
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_PropInfo, id,
SPA_PROP_INFO_id, &SPA_POD_Id(SPA_PROP_mute),
SPA_PROP_INFO_name, &SPA_POD_Stringc("Mute"),
SPA_PROP_INFO_type, &SPA_POD_Bool(p->mute),
0);
SPA_PROP_INFO_id, SPA_POD_Id(SPA_PROP_mute),
SPA_PROP_INFO_name, SPA_POD_String("Mute"),
SPA_PROP_INFO_type, SPA_POD_Bool(p->mute));
break;
default:
return 0;
@ -164,11 +161,10 @@ static int impl_node_enum_params(struct spa_node *node,
case SPA_PARAM_Props:
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Props, id,
SPA_PROP_volume, &SPA_POD_Float(p->volume),
SPA_PROP_mute, &SPA_POD_Bool(p->mute),
0);
SPA_PROP_volume, SPA_POD_Float(p->volume),
SPA_PROP_mute, SPA_POD_Bool(p->mute));
break;
default:
return 0;
@ -209,9 +205,10 @@ static int impl_node_set_param(struct spa_node *node, uint32_t id, uint32_t flag
reset_props(p);
return 0;
}
spa_pod_object_parse(param,
":", SPA_PROP_volume, "?d", &p->volume,
":", SPA_PROP_mute, "?b", &p->mute, NULL);
spa_pod_parse_object(param,
SPA_TYPE_OBJECT_Props, NULL,
SPA_PROP_volume, "?d", &p->volume,
SPA_PROP_mute, "?b", &p->mute);
break;
}
default:
@ -341,17 +338,16 @@ static int port_enum_formats(struct spa_node *node,
{
switch (*index) {
case 0:
*param = spa_pod_builder_object(builder,
*param = spa_pod_builder_add_object(builder,
SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
SPA_FORMAT_mediaType, &SPA_POD_Id(SPA_MEDIA_TYPE_audio),
SPA_FORMAT_mediaSubtype, &SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
SPA_FORMAT_AUDIO_format, &SPA_POD_CHOICE_ENUM_Id(3,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_audio),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
SPA_FORMAT_AUDIO_format, SPA_POD_CHOICE_ENUM_Id(3,
SPA_AUDIO_FORMAT_S16,
SPA_AUDIO_FORMAT_S16,
SPA_AUDIO_FORMAT_S32),
SPA_FORMAT_AUDIO_rate, &SPA_POD_CHOICE_RANGE_Int(44100, 1, INT32_MAX),
SPA_FORMAT_AUDIO_channels, &SPA_POD_CHOICE_RANGE_Int(2, 1, INT32_MAX),
0);
SPA_FORMAT_AUDIO_rate, SPA_POD_CHOICE_RANGE_Int(44100, 1, INT32_MAX),
SPA_FORMAT_AUDIO_channels, SPA_POD_CHOICE_RANGE_Int(2, 1, INT32_MAX));
break;
default:
return 0;
@ -397,10 +393,9 @@ impl_node_port_enum_params(struct spa_node *node,
SPA_PARAM_IO };
if (*index < SPA_N_ELEMENTS(list))
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamList, id,
SPA_PARAM_LIST_id, &SPA_POD_Id(list[*index]),
0);
SPA_PARAM_LIST_id, SPA_POD_Id(list[*index]));
else
return 0;
break;
@ -425,26 +420,24 @@ impl_node_port_enum_params(struct spa_node *node,
if (*index > 0)
return 0;
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamBuffers, id,
SPA_PARAM_BUFFERS_buffers, &SPA_POD_CHOICE_RANGE_Int(2, 1, MAX_BUFFERS),
SPA_PARAM_BUFFERS_blocks, &SPA_POD_Int(1),
SPA_PARAM_BUFFERS_size, &SPA_POD_CHOICE_RANGE_Int(
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(2, 1, MAX_BUFFERS),
SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(1),
SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(
1024 * this->bpf,
16 * this->bpf,
INT32_MAX / this->bpf),
SPA_PARAM_BUFFERS_stride, &SPA_POD_Int(0),
SPA_PARAM_BUFFERS_align, &SPA_POD_Int(16),
0);
SPA_PARAM_BUFFERS_stride, SPA_POD_Int(0),
SPA_PARAM_BUFFERS_align, SPA_POD_Int(16));
break;
case SPA_PARAM_Meta:
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamMeta, id,
SPA_PARAM_META_type, &SPA_POD_Id(SPA_META_Header),
SPA_PARAM_META_size, &SPA_POD_Int(sizeof(struct spa_meta_header)),
0);
SPA_PARAM_META_type, SPA_POD_Id(SPA_META_Header),
SPA_PARAM_META_size, SPA_POD_Int(sizeof(struct spa_meta_header)));
break;
default:
return 0;
@ -453,18 +446,16 @@ impl_node_port_enum_params(struct spa_node *node,
case SPA_PARAM_IO:
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamIO, id,
SPA_PARAM_IO_id, &SPA_POD_Id(SPA_IO_Buffers),
SPA_PARAM_IO_size, &SPA_POD_Int(sizeof(struct spa_io_buffers)),
0);
SPA_PARAM_IO_id, SPA_POD_Id(SPA_IO_Buffers),
SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_buffers)));
break;
case 1:
param = spa_pod_builder_object(&b,
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamIO, id,
SPA_PARAM_IO_id, &SPA_POD_Id(SPA_IO_Range),
SPA_PARAM_IO_size, &SPA_POD_Int(sizeof(struct spa_io_range)),
0);
SPA_PARAM_IO_id, SPA_POD_Id(SPA_IO_Range),
SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_range)));
break;
default:
return 0;