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format: make helper functions to create formats

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Use helper functions to create a fully specified format.
This commit is contained in:
Wim Taymans 2018-08-29 15:53:26 +02:00
parent 80de83f38a
commit 514528f2c7
24 changed files with 158 additions and 430 deletions
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30
src/examples/export-sink.c
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@ -205,31 +205,6 @@ static int port_enum_formats(struct spa_node *node,
return 1;
}
static int port_get_format(struct spa_node *node,
enum spa_direction direction, uint32_t port_id,
uint32_t *index,
const struct spa_pod *filter,
struct spa_pod **result,
struct spa_pod_builder *builder)
{
struct data *d = SPA_CONTAINER_OF(node, struct data, impl_node);
if (*index != 0 || d->format.format == 0)
return 0;
*result = spa_pod_builder_object(builder,
SPA_TYPE_OBJECT_Format, SPA_PARAM_Format,
"I", SPA_MEDIA_TYPE_video,
"I", SPA_MEDIA_SUBTYPE_raw,
":", SPA_FORMAT_VIDEO_format, "I", d->format.format,
":", SPA_FORMAT_VIDEO_size, "R", &d->format.size,
":", SPA_FORMAT_VIDEO_framerate, "F", &d->format.framerate);
(*index)++;
return 1;
}
static int impl_port_enum_params(struct spa_node *node,
enum spa_direction direction, uint32_t port_id,
uint32_t id, uint32_t *index,
@ -261,7 +236,10 @@ static int impl_port_enum_params(struct spa_node *node,
return port_enum_formats(node, direction, port_id, index, filter, result, builder);
case SPA_PARAM_Format:
return port_get_format(node, direction, port_id, index, filter, result, builder);
if (*index != 0 || d->format.format == 0)
return 0;
param = spa_format_video_raw_build(builder, id, &d->format);
break;
case SPA_PARAM_Buffers:
if (*index != 0)