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-rw-r--r--gst/audioresample/buffer.c253
1 files changed, 0 insertions, 253 deletions
diff --git a/gst/audioresample/buffer.c b/gst/audioresample/buffer.c
deleted file mode 100644
index 442b4f8c..00000000
--- a/gst/audioresample/buffer.c
+++ /dev/null
@@ -1,253 +0,0 @@
-
-#ifndef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <glib.h>
-#include <string.h>
-
-#include "buffer.h"
-#include "debug.h"
-
-static void audioresample_buffer_free_mem (AudioresampleBuffer * buffer,
- void *);
-static void audioresample_buffer_free_subbuffer (AudioresampleBuffer * buffer,
- void *priv);
-
-
-AudioresampleBuffer *
-audioresample_buffer_new (void)
-{
- AudioresampleBuffer *buffer;
-
- buffer = g_new0 (AudioresampleBuffer, 1);
- buffer->ref_count = 1;
- return buffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_new_and_alloc (int size)
-{
- AudioresampleBuffer *buffer = audioresample_buffer_new ();
-
- buffer->data = g_malloc (size);
- buffer->length = size;
- buffer->free = audioresample_buffer_free_mem;
-
- return buffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_new_with_data (void *data, int size)
-{
- AudioresampleBuffer *buffer = audioresample_buffer_new ();
-
- buffer->data = data;
- buffer->length = size;
- buffer->free = audioresample_buffer_free_mem;
-
- return buffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_new_subbuffer (AudioresampleBuffer * buffer, int offset,
- int length)
-{
- AudioresampleBuffer *subbuffer = audioresample_buffer_new ();
-
- if (buffer->parent) {
- audioresample_buffer_ref (buffer->parent);
- subbuffer->parent = buffer->parent;
- } else {
- audioresample_buffer_ref (buffer);
- subbuffer->parent = buffer;
- }
- subbuffer->data = buffer->data + offset;
- subbuffer->length = length;
- subbuffer->free = audioresample_buffer_free_subbuffer;
-
- return subbuffer;
-}
-
-void
-audioresample_buffer_ref (AudioresampleBuffer * buffer)
-{
- buffer->ref_count++;
-}
-
-void
-audioresample_buffer_unref (AudioresampleBuffer * buffer)
-{
- buffer->ref_count--;
- if (buffer->ref_count == 0) {
- if (buffer->free)
- buffer->free (buffer, buffer->priv);
- g_free (buffer);
- }
-}
-
-static void
-audioresample_buffer_free_mem (AudioresampleBuffer * buffer, void *priv)
-{
- g_free (buffer->data);
-}
-
-static void
-audioresample_buffer_free_subbuffer (AudioresampleBuffer * buffer, void *priv)
-{
- audioresample_buffer_unref (buffer->parent);
-}
-
-
-AudioresampleBufferQueue *
-audioresample_buffer_queue_new (void)
-{
- return g_new0 (AudioresampleBufferQueue, 1);
-}
-
-int
-audioresample_buffer_queue_get_depth (AudioresampleBufferQueue * queue)
-{
- return queue->depth;
-}
-
-int
-audioresample_buffer_queue_get_offset (AudioresampleBufferQueue * queue)
-{
- return queue->offset;
-}
-
-void
-audioresample_buffer_queue_free (AudioresampleBufferQueue * queue)
-{
- GList *g;
-
- for (g = g_list_first (queue->buffers); g; g = g_list_next (g)) {
- audioresample_buffer_unref ((AudioresampleBuffer *) g->data);
- }
- g_list_free (queue->buffers);
- g_free (queue);
-}
-
-void
-audioresample_buffer_queue_push (AudioresampleBufferQueue * queue,
- AudioresampleBuffer * buffer)
-{
- queue->buffers = g_list_append (queue->buffers, buffer);
- queue->depth += buffer->length;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_queue_pull (AudioresampleBufferQueue * queue, int length)
-{
- GList *g;
- AudioresampleBuffer *newbuffer;
- AudioresampleBuffer *buffer;
- AudioresampleBuffer *subbuffer;
-
- g_return_val_if_fail (length > 0, NULL);
-
- if (queue->depth < length) {
- return NULL;
- }
-
- RESAMPLE_LOG ("pulling %d, %d available", length, queue->depth);
-
- g = g_list_first (queue->buffers);
- buffer = g->data;
-
- if (buffer->length > length) {
- newbuffer = audioresample_buffer_new_subbuffer (buffer, 0, length);
-
- subbuffer = audioresample_buffer_new_subbuffer (buffer, length,
- buffer->length - length);
- g->data = subbuffer;
- audioresample_buffer_unref (buffer);
- } else {
- int offset = 0;
-
- newbuffer = audioresample_buffer_new_and_alloc (length);
-
- while (offset < length) {
- g = g_list_first (queue->buffers);
- buffer = g->data;
-
- if (buffer->length > length - offset) {
- int n = length - offset;
-
- memcpy (newbuffer->data + offset, buffer->data, n);
- subbuffer =
- audioresample_buffer_new_subbuffer (buffer, n, buffer->length - n);
- g->data = subbuffer;
- audioresample_buffer_unref (buffer);
- offset += n;
- } else {
- memcpy (newbuffer->data + offset, buffer->data, buffer->length);
-
- queue->buffers = g_list_delete_link (queue->buffers, g);
- offset += buffer->length;
- audioresample_buffer_unref (buffer);
- }
- }
- }
-
- queue->depth -= length;
- queue->offset += length;
-
- return newbuffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_queue_peek (AudioresampleBufferQueue * queue, int length)
-{
- GList *g;
- AudioresampleBuffer *newbuffer;
- AudioresampleBuffer *buffer;
- int offset = 0;
-
- g_return_val_if_fail (length > 0, NULL);
-
- if (queue->depth < length) {
- return NULL;
- }
-
- RESAMPLE_LOG ("peeking %d, %d available", length, queue->depth);
-
- g = g_list_first (queue->buffers);
- buffer = g->data;
- if (buffer->length > length) {
- newbuffer = audioresample_buffer_new_subbuffer (buffer, 0, length);
- } else {
- newbuffer = audioresample_buffer_new_and_alloc (length);
- while (offset < length) {
- buffer = g->data;
-
- if (buffer->length > length - offset) {
- int n = length - offset;
-
- memcpy (newbuffer->data + offset, buffer->data, n);
- offset += n;
- } else {
- memcpy (newbuffer->data + offset, buffer->data, buffer->length);
- offset += buffer->length;
- }
- g = g_list_next (g);
- }
- }
-
- return newbuffer;
-}
-
-void
-audioresample_buffer_queue_flush (AudioresampleBufferQueue * queue)
-{
- GList *g;
-
- for (g = g_list_first (queue->buffers); g; g = g_list_next (g)) {
- audioresample_buffer_unref ((AudioresampleBuffer *) g->data);
- }
- g_list_free (queue->buffers);
- queue->buffers = NULL;
- queue->depth = 0;
- queue->offset = 0;
-}