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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
This commit is contained in:
Wim Taymans
parent
27a8e953d1
commit
083c315d56
3 changed files with 2 additions and 207 deletions
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@ -136,6 +136,6 @@ plugin_init (GModule *module, GstPlugin *plugin)
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"gstidtc",
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"gstidct",
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plugin_init
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};
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@ -2,7 +2,7 @@ librarydir = $(prefix)/lib/gst
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library_LTLIBRARIES = libgstriff.la
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libgstriff_la_SOURCES = riffparse.c riffencode.c riffutil.c
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libgstriff_la_SOURCES = riffparse.c riffencode.c riffutil.c riff.c
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libgstriffincludedir = $(includedir)/gst/riff
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libgstriffinclude_HEADERS = riff.h
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@ -20,211 +20,6 @@
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#include <riff.h>
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/*#define debug(format,args...) g_print(format,##args) */
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#define debug(format,args...)
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GstRiff *gst_riff_new(GstRiffCallback function, gpointer data) {
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GstRiff *riff;
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riff = (GstRiff *)g_malloc(sizeof(GstRiff));
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g_return_val_if_fail(riff != NULL, NULL);
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riff->form = 0;
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riff->chunks = NULL;
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riff->state = 0;
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riff->curoffset = 0;
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riff->nextlikely = 0;
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riff->new_tag_found = function;
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riff->callback_data = data;
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riff->incomplete_chunk = NULL;
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riff->dataleft = NULL;
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return riff;
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}
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gint gst_riff_next_buffer(GstRiff *riff,GstBuffer *buf,gulong off) {
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gulong last, size;
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GstRiffChunk *chunk;
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g_return_val_if_fail (riff != NULL, GST_RIFF_EINVAL);
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g_return_val_if_fail (buf != NULL, GST_RIFF_EINVAL);
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g_return_val_if_fail (GST_BUFFER_DATA(buf) != NULL, GST_RIFF_EINVAL);
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size = GST_BUFFER_SIZE(buf);
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last = off + size;
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debug("offset new buffer 0x%08lx size 0x%08x\n", off, GST_BUFFER_SIZE(buf));
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if (riff->dataleft) {
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gulong newsize;
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debug("recovering left data\n");
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newsize = riff->dataleft_size + size;
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riff->dataleft = g_realloc(riff->dataleft, newsize);
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memcpy (riff->dataleft+riff->dataleft_size, GST_BUFFER_DATA(buf), size);
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gst_buffer_unref (buf);
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buf = gst_buffer_new ();
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GST_BUFFER_DATA(buf) = riff->dataleft;
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GST_BUFFER_SIZE(buf) = newsize;
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off -= riff->dataleft_size;
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/*last -= riff->dataleft_size; */
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riff->dataleft = NULL;
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}
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if (off == 0) {
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guint32 *words = (guin32 *)GST_BUFFER_DATA(buf);
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/* don't even try to parse the head if it's not there FIXME */
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if (last < 12) {
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riff->state = GST_RIFF_ENOTRIFF;
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return riff->state;
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}
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/*g_print("testing is 0x%08lx '%s'\n",words[0],gst_riff_id_to_fourcc(words[0])); */
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/* verify this is a valid RIFF file, first of all */
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if (GUINT32_FROM_LE (words[0]) != GST_RIFF_TAG_RIFF) {
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riff->state = GST_RIFF_ENOTRIFF;
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return riff->state;
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}
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riff->form = GUINT32_FROM_LE (words[2]);
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/*g_print("form is 0x%08lx '%s'\n",words[2],gst_riff_id_to_fourcc(words[2])); */
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riff->nextlikely = 12; /* skip 'RIFF', length, and form */
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/* all OK here */
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riff->incomplete_chunk = NULL;
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}
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/* if we have an incomplete chunk from the previous buffer */
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if (riff->incomplete_chunk) {
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guint leftover;
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debug("have incomplete chunk %08x filled\n", riff->incomplete_chunk_size);
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leftover = riff->incomplete_chunk->size - riff->incomplete_chunk_size;
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if (leftover <= size) {
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debug("we can fill it from %08x with %08x bytes = %08x\n", riff->incomplete_chunk_size, leftover, riff->incomplete_chunk_size+leftover);
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memcpy(riff->incomplete_chunk->data+riff->incomplete_chunk_size, GST_BUFFER_DATA(buf), leftover);
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if (riff->new_tag_found) {
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riff->new_tag_found(riff->incomplete_chunk, riff->callback_data);
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}
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g_free(riff->incomplete_chunk->data);
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g_free(riff->incomplete_chunk);
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riff->incomplete_chunk = NULL;
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}
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else {
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debug("we cannot fill it %08x >= %08lx\n", leftover, size);
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memcpy(riff->incomplete_chunk->data+riff->incomplete_chunk_size, GST_BUFFER_DATA(buf), size);
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riff->incomplete_chunk_size += size;
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return 0;
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}
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}
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if ((riff->nextlikely+12) > last) {
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guint left = last - riff->nextlikely;
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debug("not enough data next 0x%08x last 0x%08lx %08x %08x\n",riff->nextlikely, last, left, off);
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riff->dataleft = g_malloc(left);
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riff->dataleft_size = left;
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memcpy(riff->dataleft, GST_BUFFER_DATA(buf)+size-left, left);
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return 0;
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}
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debug("next 0x%08x last 0x%08lx offset %08x\n",riff->nextlikely, last, off);
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/* loop while the next likely chunk header is in this buffer */
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while ((riff->nextlikely+12) <= last) {
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guin32 *words = (guin32 *)((guchar *)GST_BUFFER_DATA(buf) + riff->nextlikely - off );
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/* loop over all of the chunks to check which one is finished */
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while (riff->chunks) {
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chunk = g_list_nth_data(riff->chunks, 0);
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debug("next 0x%08x offset 0x%08lx size 0x%08x\n",riff->nextlikely, chunk->offset, chunk->size);
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if (riff->nextlikely >= chunk->offset+chunk->size) {
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/*g_print("found END LIST\n"); */
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/* we have the end of the chunk on the stack, remove it */
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riff->chunks = g_list_remove(riff->chunks, chunk);
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}
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else break;
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}
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debug("next likely chunk is at offset 0x%08x\n",riff->nextlikely);
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chunk = (GstRiffChunk *)g_malloc (sizeof (GstRiffChunk));
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g_return_val_if_fail (chunk != NULL, GST_RIFF_ENOMEM);
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chunk->offset = riff->nextlikely+8; /* point to the actual data */
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chunk->id = GUINT32_FROM_LE (words[0]));
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chunk->size = GUINT32_FROM_LE (words[1]);
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chunk->data = (gchar *)(words+2);
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/* we need word alignment */
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/*if (chunk->size & 0x01) chunk->size++; */
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chunk->form = GUINT32_FROM_LE (words[2]); /* fill in the form, might not be valid */
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if (chunk->id == GST_RIFF_TAG_LIST) {
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/*g_print("found LIST %s\n", gst_riff_id_to_fourcc(chunk->form)); */
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riff->nextlikely += 12;
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/* we push the list chunk on our 'stack' */
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riff->chunks = g_list_prepend(riff->chunks,chunk);
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/* send the buffer to the listener if we have received a function */
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if (riff->new_tag_found) {
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riff->new_tag_found(chunk, riff->callback_data);
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}
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}
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else {
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debug("chunk id offset %08x is 0x%08lx '%s' and is 0x%08lx long\n",riff->nextlikely, words[0],
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gst_riff_id_to_fourcc(GUINT32_FROM_LE (words[0])), GUINT32_FROM_LE (words[1]));
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riff->nextlikely += 8 + chunk->size; /* doesn't include hdr */
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/* if this buffer is incomplete */
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if (riff->nextlikely > last) {
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guint left = size - (riff->nextlikely - chunk->size - off);
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/*g_print("make incomplete buffer %08x\n", left); */
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chunk->data = g_malloc(chunk->size);
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memcpy(chunk->data, (gchar *)(words+2), left);
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riff->incomplete_chunk = chunk;
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riff->incomplete_chunk_size = left;
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}
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else {
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/* send the buffer to the listener if we have received a function */
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if (riff->new_tag_found) {
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riff->new_tag_found(chunk, riff->callback_data);
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}
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g_free(chunk);
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}
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/*riff->chunks = g_list_prepend(riff->chunks,chunk); */
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}
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}
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return 0;
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}
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gulong gst_riff_fourcc_to_id(gchar *fourcc) {
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g_return_val_if_fail(fourcc != NULL, 0);
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return (fourcc[0] << 0) | (fourcc[1] << 8) |
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(fourcc[2] << 16) | (fourcc[3] << 24);
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}
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gchar *gst_riff_id_to_fourcc(gulong id) {
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gchar *fourcc = (gchar *)g_malloc(5);
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g_return_val_if_fail(fourcc != NULL, NULL);
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fourcc[0] = (id >> 0) & 0xff;
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fourcc[1] = (id >> 8) & 0xff;
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fourcc[2] = (id >> 16) & 0xff;
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fourcc[3] = (id >> 24) & 0xff;
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fourcc[4] = 0;
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return fourcc;
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}
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static gboolean
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plugin_init (GModule *module, GstPlugin *plugin)
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{
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