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-rw-r--r--gst-libs/gst/riff/riffparse.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/gst-libs/gst/riff/riffparse.c b/gst-libs/gst/riff/riffparse.c
deleted file mode 100644
index 72c9e4bb..00000000
--- a/gst-libs/gst/riff/riffparse.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-
-/*#define DEBUG_ENABLED */
-#include <riff.h>
-
-GstRiff*
-gst_riff_parser_new (GstRiffCallback function, gpointer data)
-{
- GstRiff *riff;
-
- riff = (GstRiff *)g_malloc(sizeof(GstRiff));
- g_return_val_if_fail(riff != NULL, NULL);
-
- riff->form = 0;
- riff->chunks = NULL;
- riff->state = 0;
- riff->curoffset = 0;
- riff->nextlikely = 0;
- riff->new_tag_found = function;
- riff->callback_data = data;
- riff->incomplete_chunk = NULL;
- riff->dataleft = NULL;
-
- return riff;
-}
-
-gint
-gst_riff_parser_next_buffer (GstRiff *riff, GstBuffer *buf, gulong off)
-{
- gulong last, size;
- GstRiffChunk *chunk;
-
- g_return_val_if_fail(riff != NULL, GST_RIFF_EINVAL);
- g_return_val_if_fail(buf != NULL, GST_RIFF_EINVAL);
- g_return_val_if_fail(GST_BUFFER_DATA(buf) != NULL, GST_RIFF_EINVAL);
-
- size = GST_BUFFER_SIZE(buf);
- last = off + size;
-
- GST_DEBUG ("gst_riff_parser: offset new buffer 0x%08lx size 0x%08x", off, GST_BUFFER_SIZE(buf));
-
- if (riff->dataleft) {
- gulong newsize;
-
- GST_DEBUG ("gst_riff_parser: recovering left data");
- newsize = riff->dataleft_size + size;
- riff->dataleft = g_realloc(riff->dataleft, newsize);
- memcpy(riff->dataleft+riff->dataleft_size, GST_BUFFER_DATA(buf), size);
- gst_buffer_unref(buf);
-
- buf = gst_buffer_new();
- GST_BUFFER_DATA(buf) = riff->dataleft;
- size = GST_BUFFER_SIZE(buf) = newsize;
- off -= riff->dataleft_size;
- /*last -= riff->dataleft_size; */
- riff->dataleft = NULL;
- }
-
- if (off == 0) {
- guint32 *words = (guint32 *)GST_BUFFER_DATA(buf);
-
- /* don't even try to parse the head if it's not there FIXME */
- if (last < 12) {
- riff->state = GST_RIFF_ENOTRIFF;
- return riff->state;
- }
-
- /*g_print("testing is 0x%08lx '%s'\n",words[0],gst_riff_id_to_fourcc(words[0])); */
- /* verify this is a valid RIFF file, first of all */
- if (GUINT32_FROM_LE (words[0]) != GST_RIFF_TAG_RIFF) {
- riff->state = GST_RIFF_ENOTRIFF;
- return riff->state;
- }
- riff->form = GUINT32_FROM_LE (words[2]);
- /*g_print("form is 0x%08lx '%s'\n",words[2],gst_riff_id_to_fourcc(words[2])); */
- riff->nextlikely = 12; /* skip 'RIFF', length, and form */
- /* all OK here */
- riff->incomplete_chunk = NULL;
- }
-
- /* if we have an incomplete chunk from the previous buffer */
- if (riff->incomplete_chunk) {
- guint leftover;
- GST_DEBUG ("gst_riff_parser: have incomplete chunk %08x filled", riff->incomplete_chunk_size);
- leftover = riff->incomplete_chunk->size - riff->incomplete_chunk_size;
- if (leftover <= size) {
- GST_DEBUG ("gst_riff_parser: we can fill it from %08x with %08x bytes = %08x",
- riff->incomplete_chunk_size, leftover,
- riff->incomplete_chunk_size+leftover);
- memcpy(riff->incomplete_chunk->data+riff->incomplete_chunk_size, GST_BUFFER_DATA(buf), leftover);
-
- if (riff->new_tag_found) {
- riff->new_tag_found(riff->incomplete_chunk, riff->callback_data);
- }
- g_free(riff->incomplete_chunk->data);
- g_free(riff->incomplete_chunk);
- riff->incomplete_chunk = NULL;
- }
- else {
- GST_DEBUG ("gst_riff_parser: we cannot fill it %08x >= %08lx", leftover, size);
- memcpy(riff->incomplete_chunk->data+riff->incomplete_chunk_size, GST_BUFFER_DATA(buf), size);
- riff->incomplete_chunk_size += size;
- return 0;
- }
- }
-
- if (riff->nextlikely & 0x01) riff->nextlikely++;
-
- GST_DEBUG ("gst_riff_parser: next 0x%08x last 0x%08lx offset %08lx",riff->nextlikely, last, off);
- /* loop while the next likely chunk header is in this buffer */
- while ((riff->nextlikely+12) <= last) {
- guint32 *words = (guint32 *)((guchar *)GST_BUFFER_DATA(buf) + riff->nextlikely - off );
-
- /* loop over all of the chunks to check which one is finished */
- while (riff->chunks) {
- chunk = g_list_nth_data(riff->chunks, 0);
-
- GST_DEBUG ("gst_riff_parser: next 0x%08x offset 0x%08lx size 0x%08x",riff->nextlikely,
- chunk->offset, chunk->size);
- if (riff->nextlikely >= chunk->offset+chunk->size) {
- GST_DEBUG ("gst_riff_parser: found END LIST");
- /* we have the end of the chunk on the stack, remove it */
- riff->chunks = g_list_remove(riff->chunks, chunk);
- }
- else break;
- }
-
- GST_DEBUG ("gst_riff_parser: next likely chunk is at offset 0x%08x",riff->nextlikely);
-
- chunk = (GstRiffChunk *)g_malloc(sizeof(GstRiffChunk));
- g_return_val_if_fail(chunk != NULL, GST_RIFF_ENOMEM);
-
- chunk->offset = riff->nextlikely+8; /* point to the actual data */
- chunk->id = GUINT32_FROM_LE (words[0]);
- chunk->size = GUINT32_FROM_LE (words[1]);
- chunk->data = (gchar *)(words+2);
- /* we need word alignment */
- /*if (chunk->size & 0x01) chunk->size++; */
- chunk->form = GUINT32_FROM_LE (words[2]); /* fill in the form, might not be valid */
-
-
- if (chunk->id == GST_RIFF_TAG_LIST) {
- GST_DEBUG ("found LIST %s", gst_riff_id_to_fourcc(chunk->form));
- riff->nextlikely += 12;
- /* we push the list chunk on our 'stack' */
- riff->chunks = g_list_prepend(riff->chunks,chunk);
- /* send the buffer to the listener if we have received a function */
- if (riff->new_tag_found) {
- riff->new_tag_found(chunk, riff->callback_data);
- }
- }
- else {
-
- GST_DEBUG ("gst_riff_parser: chunk id offset %08x is 0x%08x '" GST_FOURCC_FORMAT "' and is 0x%08x long",
- riff->nextlikely, chunk->id, GST_FOURCC_ARGS(chunk->id),
- chunk->size);
-
- riff->nextlikely += 8 + chunk->size; /* doesn't include hdr */
- /* if this buffer is incomplete */
- if (riff->nextlikely > last) {
- guint left = size - (riff->nextlikely - chunk->size - off);
-
- GST_DEBUG ("make incomplete buffer %08x", left);
- chunk->data = g_malloc(chunk->size);
- memcpy(chunk->data, (gchar *)(words+2), left);
- riff->incomplete_chunk = chunk;
- riff->incomplete_chunk_size = left;
- }
- else {
- /* send the buffer to the listener if we have received a function */
- if (riff->new_tag_found) {
- riff->new_tag_found(chunk, riff->callback_data);
- }
- g_free(chunk);
- }
- if (riff->nextlikely & 0x01) riff->nextlikely++;
-
- /*riff->chunks = g_list_prepend(riff->chunks,chunk);*/
- }
- }
- if ((riff->nextlikely+12) > last && !riff->incomplete_chunk) {
- guint left = last - riff->nextlikely;
- GST_DEBUG ("gst_riff_parser: not enough data next 0x%08x last 0x%08lx %08x %08lx",riff->nextlikely,
- last, left, off);
-
- riff->dataleft = g_malloc(left);
- riff->dataleft_size = left;
- memcpy(riff->dataleft, GST_BUFFER_DATA(buf)+size-left, left);
-
- return 0;
- }
-
- return 0;
-}
-
-void
-gst_riff_parser_resync (GstRiff *riff, gulong offset)
-{
- riff->incomplete_chunk = NULL;
- riff->dataleft = NULL;
- riff->nextlikely = offset;
-}
-
-
-GstRiffChunk *gst_riff_parser_get_chunk(GstRiff *riff, guint32 fourcc)
-{
- GList *chunk;
-
- g_return_val_if_fail(riff != NULL, NULL);
-
- chunk = riff->chunks;
- while (chunk) {
- if (((GstRiffChunk *)(chunk->data))->id == fourcc)
- return (GstRiffChunk *)(chunk->data);
- chunk = g_list_next(chunk);
- }
-
- return NULL;
-}
-
-guint32 gst_riff_parser_get_nextlikely(GstRiff *riff)
-{
- g_return_val_if_fail(riff != NULL, 0);
-
- return riff->nextlikely;
-}
-
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