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uridecodebin: Improve all-raw-caps detection for pads

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This commit is contained in:
Sebastian Dröge 2009-11-06 12:25:53 +01:00
parent 4f3f9a1054
commit 97519751ad
1 changed files with 21 additions and 26 deletions
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47
gst/playback/gsturidecodebin.c
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@ -838,12 +838,6 @@ static const gchar *no_media_mimes[] = {
};
#endif
/* media types we consider raw media */
static const gchar *raw_media[] = {
"audio/x-raw", "video/x-raw", "text/plain", "text/x-pango-markup",
"video/x-dvd-subpicture", "subpicture/x-", NULL
};
/* media types we can download */
static const gchar *download_media[] = {
"video/quicktime", "video/x-flv", NULL
@ -853,7 +847,6 @@ static const gchar *download_media[] = {
#define IS_QUEUE_URI(uri) (array_has_uri_value (queue_uris, uri))
#define IS_BLACKLISTED_URI(uri) (array_has_uri_value (blacklisted_uris, uri))
#define IS_NO_MEDIA_MIME(mime) (array_has_value (no_media_mimes, mime))
#define IS_RAW_MEDIA(media) (array_has_value (raw_media, media))
#define IS_DOWNLOAD_MEDIA(media) (array_has_value (download_media, media))
/*
@ -960,11 +953,10 @@ no_source:
* Returns: %FALSE @pad has no caps. Else TRUE and @all_raw set t the result.
*/
static gboolean
has_all_raw_caps (GstPad * pad, gboolean * all_raw)
has_all_raw_caps (GstPad * pad, GstCaps * rawcaps, gboolean * all_raw)
{
GstCaps *caps;
GstCaps *caps, *intersection;
gint capssize;
guint i, num_raw = 0;
gboolean res = FALSE;
caps = gst_pad_get_caps_reffed (pad);
@ -978,21 +970,11 @@ has_all_raw_caps (GstPad * pad, gboolean * all_raw)
if (capssize == 0 || gst_caps_is_empty (caps) || gst_caps_is_any (caps))
goto done;
/* count the number of raw formats in the caps */
for (i = 0; i < capssize; ++i) {
GstStructure *s;
const gchar *media_type;
intersection = gst_caps_intersect (caps, rawcaps);
*all_raw = !gst_caps_is_empty (intersection)
&& (gst_caps_get_size (intersection) == capssize);
gst_caps_unref (intersection);
s = gst_caps_get_structure (caps, i);
media_type = gst_structure_get_name (s);
GST_DEBUG_OBJECT (pad, "check media-type %s", media_type);
if (IS_RAW_MEDIA (media_type))
++num_raw;
}
*all_raw = (num_raw == capssize);
res = TRUE;
done:
@ -1028,11 +1010,16 @@ analyse_source (GstURIDecodeBin * decoder, gboolean * is_raw,
GstIterator *pads_iter;
gboolean done = FALSE;
gboolean res = TRUE;
GstCaps *rawcaps;
*have_out = FALSE;
*is_raw = FALSE;
*is_dynamic = FALSE;
g_object_get (decoder, "caps", &rawcaps, NULL);
if (!rawcaps)
rawcaps = DEFAULT_CAPS;
pads_iter = gst_element_iterate_src_pads (decoder->source);
while (!done) {
GstPad *pad;
@ -1056,7 +1043,7 @@ analyse_source (GstURIDecodeBin * decoder, gboolean * is_raw,
*have_out = TRUE;
/* if FALSE, this pad has no caps and we continue with the next pad. */
if (!has_all_raw_caps (pad, is_raw)) {
if (!has_all_raw_caps (pad, rawcaps, is_raw)) {
gst_object_unref (pad);
break;
}
@ -1089,6 +1076,7 @@ analyse_source (GstURIDecodeBin * decoder, gboolean * is_raw,
}
}
gst_iterator_free (pads_iter);
gst_caps_unref (rawcaps);
if (!*have_out) {
GstElementClass *elemclass;
@ -1506,18 +1494,25 @@ source_new_pad (GstElement * element, GstPad * pad, GstURIDecodeBin * bin)
{
GstElement *decoder;
gboolean is_raw;
GstCaps *rawcaps;
GST_URI_DECODE_BIN_LOCK (bin);
GST_DEBUG_OBJECT (bin, "Found new pad %s.%s in source element %s",
GST_DEBUG_PAD_NAME (pad), GST_ELEMENT_NAME (element));
g_object_get (bin, "caps", &rawcaps, NULL);
if (!rawcaps)
rawcaps = DEFAULT_CAPS;
/* if this is a pad with all raw caps, we can expose it */
if (has_all_raw_caps (pad, &is_raw) && is_raw) {
if (has_all_raw_caps (pad, rawcaps, &is_raw) && is_raw) {
/* it's all raw, create output pads. */
GST_URI_DECODE_BIN_UNLOCK (bin);
gst_caps_unref (rawcaps);
new_decoded_pad_cb (element, pad, FALSE, bin);
return;
}
gst_caps_unref (rawcaps);
/* not raw, create decoder */
decoder = make_decoder (bin);