static void
entry_added (GstIndex * index, GstIndexEntry * entry, App * app)
{
switch (entry->type) {
case GST_INDEX_ENTRY_ID:
GST_DEBUG ("id %d describes writer %s\n", entry->id,
GST_INDEX_ID_DESCRIPTION (entry));
break;
case GST_INDEX_ENTRY_FORMAT:
GST_DEBUG ("%d: registered format %d for %s\n", entry->id,
GST_INDEX_FORMAT_FORMAT (entry), GST_INDEX_FORMAT_KEY (entry));
break;
case GST_INDEX_ENTRY_ASSOCIATION:
{
gint i;
if (entry->id == 1 && GST_INDEX_NASSOCS (entry) == 2 && GST_INDEX_ASSOC_VALUE (entry, 1) != -1) {
g_fprintf (app->f_epmap, "entrypoint: %" G_GINT64_FORMAT " ",
GST_INDEX_ASSOC_VALUE (entry, 0));
g_fprintf (app->f_epmap, "%" G_GINT64_FORMAT "\n", GST_INDEX_ASSOC_VALUE (entry, 1));
fflush(app->f_epmap);
} else {
GST_DEBUG ("GST_INDEX_ENTRY_ASSOCIATION %p, %d: %08x ", entry, entry->id,
GST_INDEX_ASSOC_FLAGS (entry));
for (i = 0; i < GST_INDEX_NASSOCS (entry); i++) {
GST_DEBUG ("%d %" G_GINT64_FORMAT " ", GST_INDEX_ASSOC_FORMAT (entry,
i), GST_INDEX_ASSOC_VALUE (entry, i));
}
}
break;
}
default:
break;
}
}
static gint
mem_index_compare (gconstpointer a, gconstpointer b, gpointer user_data)
{
GstMemIndexFormatIndex *index = user_data;
gint64 val1, val2;
gint64 diff;
val1 = GST_INDEX_ASSOC_VALUE (((GstIndexEntry *) a), index->offset);
val2 = GST_INDEX_ASSOC_VALUE (((GstIndexEntry *) b), index->offset);
diff = (val2 - val1);
return (diff == 0 ? 0 : (diff > 0 ? 1 : -1));
}
static gint
mem_index_search (gconstpointer a, gconstpointer b)
{
GstMemIndexSearchData *data = (GstMemIndexSearchData *) b;
GstMemIndexFormatIndex *index = data->index;
gint64 val1, val2;
gint64 diff;
val1 = GST_INDEX_ASSOC_VALUE (((GstIndexEntry *) a), index->offset);
val2 = data->value;
diff = (val1 - val2);
if (diff == 0)
return 0;
/* exact matching, don't update low/high */
if (data->exact)
return (diff > 0 ? 1 : -1);
if (diff < 0) {
if (diff > data->low_diff) {
data->low_diff = diff;
data->lower = (GstIndexEntry *) a;
}
diff = -1;
} else {
if (diff < data->high_diff) {
data->high_diff = diff;
data->higher = (GstIndexEntry *) a;
}
diff = 1;
}
return diff;
}
/**
* gst_index_entry_assoc_map:
* @entry: the index to search
* @format: the format of the value the find
* @value: a pointer to store the value
*
* Gets alternative formats associated with the indexentry.
*
* Returns: TRUE if there was a value associated with the given
* format.
*/
gboolean
gst_index_entry_assoc_map (GstIndexEntry * entry,
GstFormat format, gint64 * value)
{
gint i;
g_return_val_if_fail (entry != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
for (i = 0; i < GST_INDEX_NASSOCS (entry); i++) {
if (GST_INDEX_ASSOC_FORMAT (entry, i) == format) {
*value = GST_INDEX_ASSOC_VALUE (entry, i);
return TRUE;
}
}
return FALSE;
}
static GstIndexEntry *
gst_file_index_get_assoc_entry (GstIndex * index,
gint id,
GstIndexLookupMethod method,
GstAssocFlags flags,
GstFormat format,
gint64 value, GCompareDataFunc _ignore_func, gpointer _ignore_user_data)
{
GstFileIndex *fileindex = GST_FILE_INDEX (index);
GstFileIndexId *id_index;
gint formatx = -1;
gint fx;
GstIndexAssociation sample;
gint mx;
gboolean exact;
gpointer row_data;
GstIndexEntry *entry;
gint xx;
g_return_val_if_fail (id > 0, NULL);
id_index = g_hash_table_lookup (fileindex->id_index, &id);
if (!id_index) {
GST_WARNING_OBJECT (fileindex, "writer %d unavailable", id);
return NULL;
}
for (fx = 0; fx < id_index->nformats; fx++)
if (id_index->format[fx] == format) {
formatx = fx;
break;
}
if (formatx == -1) {
GST_WARNING_OBJECT (fileindex, "format %d not available", format);
return NULL;
}
/* this is a hack, we should use a private structure instead */
sample.format = formatx;
sample.value = value;
exact = _fc_bsearch (id_index->array, ARRAY_ROW_SIZE (id_index),
&mx, file_index_compare, &sample, id_index);
if (!exact) {
if (method == GST_INDEX_LOOKUP_EXACT)
return NULL;
else if (method == GST_INDEX_LOOKUP_BEFORE) {
if (mx == 0)
return NULL;
mx -= 1;
} else if (method == GST_INDEX_LOOKUP_AFTER) {
if (mx == id_index->array->len)
return NULL;
}
}
row_data = id_index->array->data + mx * ARRAY_ROW_SIZE (id_index);
/* if exact then ignore flags (?) */
if (method != GST_INDEX_LOOKUP_EXACT)
while ((GINT32_FROM_BE (ARRAY_ROW_FLAGS (row_data)) & flags) != flags) {
if (method == GST_INDEX_LOOKUP_BEFORE)
mx -= 1;
else if (method == GST_INDEX_LOOKUP_AFTER)
mx += 1;
if (mx < 0 || mx >= id_index->array->len)
return NULL;
row_data = id_index->array->data + mx * ARRAY_ROW_SIZE (id_index);
}
/* entry memory management needs improvement FIXME */
if (!fileindex->ret_entry)
fileindex->ret_entry = g_slice_new0 (GstIndexEntry);
entry = fileindex->ret_entry;
if (entry->data.assoc.assocs) {
g_free (entry->data.assoc.assocs);
entry->data.assoc.assocs = NULL;
}
entry->type = GST_INDEX_ENTRY_ASSOCIATION;
GST_INDEX_NASSOCS (entry) = id_index->nformats;
entry->data.assoc.assocs = g_new (GstIndexAssociation, id_index->nformats);
{
gint32 flags_be = ARRAY_ROW_FLAGS (row_data);
GST_INDEX_ASSOC_FLAGS (entry) = GINT32_FROM_BE (flags_be);
for (xx = 0; xx < id_index->nformats; xx++) {
gint64 val_be = ARRAY_ROW_VALUE (row_data, xx);
GST_INDEX_ASSOC_FORMAT (entry, xx) = id_index->format[xx];
GST_INDEX_ASSOC_VALUE (entry, xx) = GINT64_FROM_BE (val_be);
}
}
return entry;
}
static void
gst_file_index_add_association (GstIndex * index, GstIndexEntry * entry)
{
GstFileIndex *fileindex = GST_FILE_INDEX (index);
GstFileIndexId *id_index;
gint mx;
GstIndexAssociation sample;
gboolean exact;
id_index = g_hash_table_lookup (fileindex->id_index, &entry->id);
if (!id_index)
return;
if (!id_index->nformats) {
gint fx;
id_index->nformats = GST_INDEX_NASSOCS (entry);
GST_LOG_OBJECT (fileindex, "creating %d formats for %d",
id_index->nformats, entry->id);
id_index->format = g_new (GstFormat, id_index->nformats);
for (fx = 0; fx < id_index->nformats; fx++)
id_index->format[fx] = GST_INDEX_ASSOC_FORMAT (entry, fx);
_fc_alloc_array (id_index);
} else {
/* only sanity checking */
if (id_index->nformats != GST_INDEX_NASSOCS (entry))
GST_WARNING_OBJECT (fileindex, "arity change %d -> %d",
id_index->nformats, GST_INDEX_NASSOCS (entry));
else {
gint fx;
for (fx = 0; fx < id_index->nformats; fx++)
if (id_index->format[fx] != GST_INDEX_ASSOC_FORMAT (entry, fx))
GST_WARNING_OBJECT (fileindex, "format[%d] changed %d -> %d",
fx, id_index->format[fx], GST_INDEX_ASSOC_FORMAT (entry, fx));
}
}
/* this is a hack, we should use a private structure instead */
sample.format = 0;
sample.value = GST_INDEX_ASSOC_VALUE (entry, 0);
exact =
_fc_bsearch (id_index->array, ARRAY_ROW_SIZE (id_index),
&mx, file_index_compare, &sample, id_index);
if (exact) {
/* maybe overwrite instead? */
GST_DEBUG_OBJECT (index,
"Ignoring duplicate index association at %" G_GINT64_FORMAT,
GST_INDEX_ASSOC_VALUE (entry, 0));
return;
}
{
gchar *row_data = (gchar *) g_malloc (ARRAY_ROW_SIZE (id_index));
gint fx;
gint32 flags_host = GST_INDEX_ASSOC_FLAGS (entry);
ARRAY_ROW_FLAGS (row_data) = GINT32_TO_BE (flags_host);
for (fx = 0; fx < id_index->nformats; fx++) {
gint64 val_host = GST_INDEX_ASSOC_VALUE (entry, fx);
ARRAY_ROW_VALUE (row_data, fx) = GINT64_TO_BE (val_host);
}
g_array_insert_vals (id_index->array, mx, row_data, 1);
g_free (row_data);
}
}
