Commit 23ba333a authored by Wim Taymans's avatar Wim Taymans
Browse files

Fixed a typo in the idct plugin name make gstriff a real plugin

Original commit message from CVS:
Fixed a typo in the idct plugin name
make gstriff a real plugin
parent 8ac831c9
......@@ -136,6 +136,6 @@ plugin_init (GModule *module, GstPlugin *plugin)
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"gstidtc",
"gstidct",
plugin_init
};
......@@ -2,7 +2,7 @@ librarydir = $(prefix)/lib/gst
library_LTLIBRARIES = libgstriff.la
libgstriff_la_SOURCES = riffparse.c riffencode.c riffutil.c
libgstriff_la_SOURCES = riffparse.c riffencode.c riffutil.c riff.c
libgstriffincludedir = $(includedir)/gst/riff
libgstriffinclude_HEADERS = riff.h
......
......@@ -20,211 +20,6 @@
#include <riff.h>
/*#define debug(format,args...) g_print(format,##args) */
#define debug(format,args...)
GstRiff *gst_riff_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_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;
debug("offset new buffer 0x%08lx size 0x%08x\n", off, GST_BUFFER_SIZE(buf));
if (riff->dataleft) {
gulong newsize;
debug("recovering left data\n");
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;
GST_BUFFER_SIZE(buf) = newsize;
off -= riff->dataleft_size;
/*last -= riff->dataleft_size; */
riff->dataleft = NULL;
}
if (off == 0) {
guint32 *words = (guin32 *)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;
debug("have incomplete chunk %08x filled\n", riff->incomplete_chunk_size);
leftover = riff->incomplete_chunk->size - riff->incomplete_chunk_size;
if (leftover <= size) {
debug("we can fill it from %08x with %08x bytes = %08x\n", 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 {
debug("we cannot fill it %08x >= %08lx\n", 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+12) > last) {
guint left = last - riff->nextlikely;
debug("not enough data next 0x%08x last 0x%08lx %08x %08x\n",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;
}
debug("next 0x%08x last 0x%08lx offset %08x\n",riff->nextlikely, last, off);
/* loop while the next likely chunk header is in this buffer */
while ((riff->nextlikely+12) <= last) {
guin32 *words = (guin32 *)((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);
debug("next 0x%08x offset 0x%08lx size 0x%08x\n",riff->nextlikely, chunk->offset, chunk->size);
if (riff->nextlikely >= chunk->offset+chunk->size) {
/*g_print("found END LIST\n"); */
/* we have the end of the chunk on the stack, remove it */
riff->chunks = g_list_remove(riff->chunks, chunk);
}
else break;
}
debug("next likely chunk is at offset 0x%08x\n",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) {
/*g_print("found LIST %s\n", 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 {
debug("chunk id offset %08x is 0x%08lx '%s' and is 0x%08lx long\n",riff->nextlikely, words[0],
gst_riff_id_to_fourcc(GUINT32_FROM_LE (words[0])), GUINT32_FROM_LE (words[1]));
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);
/*g_print("make incomplete buffer %08x\n", 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);
}
/*riff->chunks = g_list_prepend(riff->chunks,chunk); */
}
}
return 0;
}
gulong gst_riff_fourcc_to_id(gchar *fourcc) {
g_return_val_if_fail(fourcc != NULL, 0);
return (fourcc[0] << 0) | (fourcc[1] << 8) |
(fourcc[2] << 16) | (fourcc[3] << 24);
}
gchar *gst_riff_id_to_fourcc(gulong id) {
gchar *fourcc = (gchar *)g_malloc(5);
g_return_val_if_fail(fourcc != NULL, NULL);
fourcc[0] = (id >> 0) & 0xff;
fourcc[1] = (id >> 8) & 0xff;
fourcc[2] = (id >> 16) & 0xff;
fourcc[3] = (id >> 24) & 0xff;
fourcc[4] = 0;
return fourcc;
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
......
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