blender/extern/verse/dist/vs_node_audio.c
2006-10-02 13:29:17 +00:00

421 lines
13 KiB
C

/*
**
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "v_cmd_gen.h"
#if !defined V_GENERATE_FUNC_MODE
#include "verse.h"
#include "vs_server.h"
typedef struct {
void **data;
unsigned int length;
char name[16];
VNABlockType type;
real64 frequency;
VSSubscriptionList *subscribers;
} VSNLayer;
typedef struct {
char name[16];
VSSubscriptionList *subscribers;
} VSNStream;
typedef struct{
VSNodeHead head;
VSNLayer *buffers;
unsigned int buffer_count;
VSNStream *streams;
unsigned int stream_count;
} VSNodeAudio;
VSNodeAudio * vs_a_create_node(unsigned int owner)
{
VSNodeAudio *node;
char name[48];
unsigned int i;
node = malloc(sizeof *node);
vs_add_new_node(&node->head, V_NT_AUDIO);
sprintf(name, "Audio_Node_%u", node->head.id);
create_node_head(&node->head, name, owner);
node->buffer_count = 16;
node->buffers = malloc((sizeof *node->buffers) * node->buffer_count);
for(i = 0; i < node->buffer_count; i++)
node->buffers[i].name[0] = 0;
node->stream_count = 16;
node->streams = malloc((sizeof *node->streams) * node->stream_count);
for(i = 0; i < node->stream_count; i++)
node->streams[i].name[0] = 0;
return node;
}
void vs_a_destroy_node(VSNodeAudio *node)
{
unsigned int i, j;
destroy_node_head(&node->head);
for(i = 0; i < node->buffer_count; i++)
{
if(node->buffers[i].name[0] != 0)
{
for(j = 0; j < node->buffers[i].length; j++)
if(node->buffers[i].data[j] != NULL)
free(node->buffers[i].data[j]);
free(node->buffers[i].data);
}
}
free(node->buffers);
free(node->streams);
free(node);
}
void vs_a_subscribe(VSNodeAudio *node)
{
unsigned int i;
if(node == NULL)
return;
for(i = 0; i < node->buffer_count; i++)
if(node->buffers[i].name[0] != 0)
verse_send_a_buffer_create(node->head.id, i, node->buffers[i].name, node->buffers[i].type,
node->buffers[i].frequency);
for(i = 0; i < node->stream_count; i++)
if(node->streams[i].name[0] != 0)
verse_send_a_stream_create(node->head.id, i, node->streams[i].name);
}
void vs_a_unsubscribe(VSNodeAudio *node)
{
unsigned int i;
for(i = 0; i < node->buffer_count; i++)
if(node->buffers[i].name[0] != 0)
vs_remove_subscriptor(node->buffers[i].subscribers);
for(i = 0; i < node->stream_count; i++)
if(node->streams[i].name[0] != 0)
vs_remove_subscriptor(node->streams[i].subscribers);
}
static void callback_send_a_stream_create(void *user, VNodeID node_id, VLayerID stream_id, const char *name)
{
VSNodeAudio *node;
unsigned int i, j, count;
node = (VSNodeAudio *) vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
for(i = 0; i < node->stream_count; i++)
{
if(stream_id != i)
{
for(j = 0; name[j] == node->streams[i].name[j] && name[j] != 0; j++);
if(name[j] == node->streams[i].name[j])
return;
}
}
if(stream_id >= node->stream_count || node->streams[stream_id].name[0] == 0)
{
for(stream_id = 0; stream_id < node->stream_count && node->streams[stream_id].name[0] != 0; stream_id++);
if(stream_id == node->stream_count)
{
stream_id = node->stream_count;
node->stream_count += 16;
node->streams = realloc(node->streams, (sizeof *node->streams) * node->stream_count);
for(i = stream_id; i < node->stream_count; i++)
node->streams[i].name[0] = 0;
}
node->streams[stream_id].subscribers = vs_create_subscription_list();
}
for(i = 0; name[i] != 0 && i < 15; i++)
node->streams[stream_id].name[i] = name[i];
node->streams[stream_id].name[i] = 0;
count = vs_get_subscript_count(node->head.subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->head.subscribers, i);
verse_send_a_stream_create(node_id, stream_id, name);
}
vs_reset_subscript_session();
}
static void callback_send_a_stream_destroy(void *user, VNodeID node_id, VLayerID stream_id)
{
VSNodeAudio *node;
unsigned int i, count;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL || stream_id >= node->stream_count || node->streams[stream_id].name[0] == 0)
return;
vs_remove_subscriptor(node->streams[stream_id].subscribers);
node->streams[stream_id].name[0] = 0;
count = vs_get_subscript_count(node->head.subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->head.subscribers, i);
verse_send_a_stream_destroy(node_id, stream_id);
}
vs_reset_subscript_session();
}
static void callback_send_a_buffer_create(void *user, VNodeID node_id, VBufferID buffer_id, const char *name,
VNABlockType type, real64 frequency)
{
VSNodeAudio *node;
unsigned int i, j, count;
if(frequency < 0.0)
return;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
for(i = 0; i < node->buffer_count; i++)
{
if(buffer_id != i)
{
for(j = 0; name[j] == node->buffers[i].name[j] && name[j] != 0; j++);
if(name[j] == node->buffers[i].name[j])
return;
}
}
if(buffer_id < node->buffer_count && node->buffers[buffer_id].name[0] != 0 && type != node->buffers[buffer_id].type)
{
free(node->buffers[buffer_id].data);
vs_destroy_subscription_list(node->buffers[buffer_id].subscribers);
node->buffers[buffer_id].name[0] = 0;
}
if(buffer_id >= node->buffer_count || node->buffers[buffer_id].name[0] == 0)
{
for(buffer_id = 0; buffer_id < node->buffer_count && node->buffers[buffer_id].name[0] != 0; buffer_id++);
if(buffer_id == node->buffer_count)
{
buffer_id = node->buffer_count;
node->buffer_count += 16;
node->buffers = realloc(node->buffers, (sizeof *node->buffers) * node->buffer_count);
for(i = buffer_id; i < node->buffer_count; i++)
node->buffers[i].name[0] = 0;
}
node->buffers[buffer_id].subscribers = vs_create_subscription_list();
node->buffers[buffer_id].type = type;
node->buffers[buffer_id].frequency = frequency;
node->buffers[buffer_id].length = 64;
node->buffers[buffer_id].data = malloc(sizeof(*node->buffers[buffer_id].data) * node->buffers[buffer_id].length);
for(i = 0; i < node->buffers[buffer_id].length; i++)
node->buffers[buffer_id].data[i] = NULL;
}
for(i = 0; name[i] != 0 && i < 15; i++)
node->buffers[buffer_id].name[i] = name[i];
node->buffers[buffer_id].name[i] = 0;
count = vs_get_subscript_count(node->head.subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->head.subscribers, i);
verse_send_a_buffer_create(node_id, buffer_id, name, type, frequency);
}
vs_reset_subscript_session();
}
static void callback_send_a_buffer_destroy(void *user, VNodeID node_id, VBufferID buffer_id)
{
VSNodeAudio *node;
unsigned int i, count;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL || buffer_id >= node->buffer_count || node->buffers[buffer_id].name[0] == 0)
return;
vs_remove_subscriptor(node->buffers[buffer_id].subscribers);
node->buffers[buffer_id].name[0] = 0;
free(node->buffers[buffer_id].data);
count = vs_get_subscript_count(node->head.subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->head.subscribers, i);
verse_send_a_buffer_destroy(node_id, buffer_id);
}
vs_reset_subscript_session();
}
static void callback_send_a_buffer_subscribe(void *user, VNodeID node_id, VLayerID buffer_id)
{
VSNodeAudio *node;
unsigned int i;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->buffer_count <= buffer_id)
return;
if(node->buffers[buffer_id].name[0] == 0)
return;
vs_add_new_subscriptor(node->buffers[buffer_id].subscribers);
for(i = 0; i < node->buffers[buffer_id].length; i++)
{
if(node->buffers[buffer_id].data[i] != NULL)
verse_send_a_block_set(node_id, buffer_id, i, node->buffers[buffer_id].type, node->buffers[buffer_id].data[i]);
}
}
static void callback_send_a_buffer_unsubscribe(void *user, VNodeID node_id, VLayerID buffer_id)
{
VSNodeAudio *node;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->buffer_count <= buffer_id)
return;
if(node->buffers[buffer_id].name[0] == 0)
return;
vs_remove_subscriptor(node->buffers[buffer_id].subscribers);
}
static void callback_send_a_block_set(void *user, VNodeID node_id, VLayerID buffer_id, uint32 block_index,
VNABlockType type, const VNABlock *data)
{
static const size_t blocksize[] = {
VN_A_BLOCK_SIZE_INT8 * sizeof (int8),
VN_A_BLOCK_SIZE_INT16 * sizeof (int16),
VN_A_BLOCK_SIZE_INT24 * 3 * sizeof (int8),
VN_A_BLOCK_SIZE_INT32 * sizeof (int32),
VN_A_BLOCK_SIZE_REAL32 * sizeof (real32),
VN_A_BLOCK_SIZE_REAL64 * sizeof (real64)
};
VSNodeAudio *node;
unsigned int i, count;
if(type > VN_A_BLOCK_REAL64) /* Protect blocksize array. */
return;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->buffers[buffer_id].name[0] == 0)
return;
if(type != node->buffers[buffer_id].type) /* Disregard attempts to set data of wrong type. */
return;
if(block_index > node->buffers[buffer_id].length)
{
node->buffers[buffer_id].data = realloc(node->buffers[buffer_id].data,
(sizeof *node->buffers[buffer_id].data) * (block_index + 64));
for(i = node->buffers[buffer_id].length; i < block_index + 64; i++)
node->buffers[buffer_id].data[i] = NULL;
node->buffers[buffer_id].length = block_index + 64;
}
if(node->buffers[buffer_id].data[block_index] == NULL)
node->buffers[buffer_id].data[block_index] = malloc(blocksize[type]);
if(node->buffers[buffer_id].data[block_index] != NULL)
{
memcpy(node->buffers[buffer_id].data[block_index], data, blocksize[type]);
count = vs_get_subscript_count(node->buffers[buffer_id].subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->buffers[buffer_id].subscribers, i);
verse_send_a_block_set(node_id, buffer_id, block_index, type, data);
}
vs_reset_subscript_session();
}
}
static void callback_send_a_block_clear(void *user, VNodeID node_id, VLayerID buffer_id, uint32 id)
{
VSNodeAudio *node;
unsigned int i, count;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->buffer_count <= buffer_id)
return;
if(node->buffers[buffer_id].name[0] == 0)
return;
if(id >= node->buffers[buffer_id].length)
return;
if(node->buffers[buffer_id].data[id] == NULL)
return;
free(node->buffers[buffer_id].data[id]);
node->buffers[buffer_id].data[id] = NULL;
count = vs_get_subscript_count(node->buffers[buffer_id].subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->buffers[buffer_id].subscribers, i);
verse_send_a_block_clear(node_id, buffer_id, id);
}
vs_reset_subscript_session();
}
static void callback_send_a_stream_subscribe(void *user, VNodeID node_id, VLayerID stream_id)
{
VSNodeAudio *node;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->stream_count <= stream_id)
return;
if(node->streams[stream_id].name[0] == 0)
return;
vs_add_new_subscriptor(node->streams[stream_id].subscribers);
}
static void callback_send_a_stream_unsubscribe(void *user, VNodeID node_id, VLayerID stream_id)
{
VSNodeAudio *node;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->stream_count <= stream_id)
return;
if(node->streams[stream_id].name[0] == 0)
return;
vs_remove_subscriptor(node->streams[stream_id].subscribers);
}
static void callback_send_a_stream(void *user, VNodeID node_id, VLayerID stream_id, uint32 time_s, uint32 time_f,
VNABlockType type, real64 frequency, const VNABlock *data)
{
VSNodeAudio *node;
unsigned int i, count;
if(frequency < 0)
return;
node = (VSNodeAudio *)vs_get_node(node_id, V_NT_AUDIO);
if(node == NULL)
return;
if(node->stream_count <= stream_id)
return;
if(node->streams[stream_id].name[0] == 0)
return;
count = vs_get_subscript_count(node->streams[stream_id].subscribers);
for(i = 0; i < count; i++)
{
vs_set_subscript_session(node->streams[stream_id].subscribers, i);
verse_send_a_stream(node_id, stream_id, time_s, time_f, type, frequency, data);
}
vs_reset_subscript_session();
}
void vs_a_callback_init(void)
{
verse_callback_set(verse_send_a_buffer_create, callback_send_a_buffer_create, NULL);
verse_callback_set(verse_send_a_buffer_destroy, callback_send_a_buffer_destroy, NULL);
verse_callback_set(verse_send_a_buffer_subscribe, callback_send_a_buffer_subscribe, NULL);
verse_callback_set(verse_send_a_buffer_unsubscribe, callback_send_a_buffer_unsubscribe, NULL);
verse_callback_set(verse_send_a_block_set, callback_send_a_block_set, NULL);
verse_callback_set(verse_send_a_block_clear, callback_send_a_block_clear, NULL);
verse_callback_set(verse_send_a_stream_create, callback_send_a_stream_create, NULL);
verse_callback_set(verse_send_a_stream_destroy, callback_send_a_stream_destroy, NULL);
verse_callback_set(verse_send_a_stream_subscribe, callback_send_a_stream_subscribe, NULL);
verse_callback_set(verse_send_a_stream_unsubscribe, callback_send_a_stream_unsubscribe, NULL);
verse_callback_set(verse_send_a_stream, callback_send_a_stream, NULL);
}
#endif