diff options
Diffstat (limited to 'gst/festival')
| -rw-r--r-- | gst/festival/gstfestival.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/gst/festival/gstfestival.c b/gst/festival/gstfestival.c index 87416184..4113410a 100644 --- a/gst/festival/gstfestival.c +++ b/gst/festival/gstfestival.c @@ -80,7 +80,7 @@ static void gst_festival_class_init (GstFestivalClass *klass); static void gst_festival_init (GstFestival *festival); -static GstCaps* text_type_find (GstBuffer *buf, gpointer private); +static GstCaps* text_type_find (GstByteStream *bs, gpointer private); static void gst_festival_chain (GstPad *pad, GstBuffer *buf); static GstElementStateReturn @@ -198,21 +198,35 @@ gst_festival_init (GstFestival *festival) } static GstCaps* -text_type_find (GstBuffer *buf, gpointer private) +text_type_find (GstByteStream *bs, gpointer private) { - gchar *data = GST_BUFFER_DATA (buf); - gint i; + GstBuffer *buf = NULL; + GstCaps *new = NULL; - /* 20 is arbitrary. 4 is definitely too small. */ - if (GST_BUFFER_SIZE (buf) < 20) - return NULL; +#define TEXT_SIZE 32 - for (i=0; i<GST_BUFFER_SIZE (buf); i++) { - if (!isprint(data[i]) && data[i]!='\n') - return NULL; + /* read arbitrary number and see if it's textual */ + if (gst_bytestream_peek (bs, &buf, TEXT_SIZE) == TEXT_SIZE) { + gchar *data = GST_BUFFER_DATA (buf); + gint i; + + for (i = 0; i < TEXT_SIZE; i++) { + if (!isprint (data[i]) && data[i] != '\n') { + break; + } + } + + /* well, we found something that looks like text... */ + new = gst_caps_new ("text_type_find", + "text/plain", + NULL); + } + + if (buf != NULL) { + gst_buffer_unref (buf); } - return gst_caps_new ("text_type_find", "text/plain", NULL); + return new; } |