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hooks: use hook to implement the callbacks

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This way we get the version check implemented and save some
code.
This commit is contained in:
Wim Taymans 2019-05-15 11:19:23 +02:00
parent a78617c6a8
commit 6ee192dff5
26 changed files with 121 additions and 111 deletions
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21
spa/include/spa/pod/builder.h
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@ -31,6 +31,7 @@ extern "C" {
#include <stdarg.h>
#include <spa/utils/hook.h>
#include <spa/pod/iter.h>
#include <spa/pod/vararg.h>
@ -47,7 +48,8 @@ struct spa_pod_builder;
struct spa_pod_builder_callbacks {
#define SPA_VERSION_POD_BUILDER_CALLBACKS 0
uint32_t version;
int (*overflow) (void *callbacks_data, uint32_t size);
int (*overflow) (void *data, uint32_t size);
};
struct spa_pod_builder {
@ -55,8 +57,7 @@ struct spa_pod_builder {
uint32_t size;
uint32_t _padding;
struct spa_pod_builder_state state;
const struct spa_pod_builder_callbacks *callbacks;
void *callbacks_data;
struct spa_hook callbacks;
};
#define SPA_POD_BUILDER_INIT(buffer,size) (struct spa_pod_builder){ buffer, size, }
@ -67,6 +68,13 @@ spa_pod_builder_get_state(struct spa_pod_builder *builder, struct spa_pod_builde
*state = builder->state;
}
static inline void
spa_pod_builder_set_callbacks(struct spa_pod_builder *builder,
const struct spa_pod_builder_callbacks *callbacks, void *data)
{
builder->callbacks = SPA_HOOK_INIT(callbacks, data);
}
static inline void
spa_pod_builder_reset(struct spa_pod_builder *builder, struct spa_pod_builder_state *state)
{
@ -118,10 +126,9 @@ static inline int spa_pod_builder_raw(struct spa_pod_builder *builder, const voi
uint32_t offset = builder->state.offset;
if (offset + size > builder->size) {
if (builder->callbacks && builder->callbacks->overflow)
res = builder->callbacks->overflow(builder->callbacks_data, offset + size);
else
res = -ENOSPC;
res = -ENOSPC;
spa_hook_call_res(&builder->callbacks, struct spa_pod_builder_callbacks, res,
overflow, 0, offset + size);
}
if (res == 0)
memcpy(SPA_MEMBER(builder->data, offset, void), data, size);