mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-25 01:30:38 +00:00
Code Issues 1 Projects Releases Wiki Activity

siddec: port siddec to 0.11

Browse source
This commit is contained in:
Wim Taymans 2011-06-08 18:18:17 +02:00
parent 13c252b2a8
commit 9b9a423188
1 changed files with 25 additions and 56 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

81
ext/sidplay/gstsiddec.cc
View file

@ -123,9 +123,6 @@ gst_sid_memory_get_type (void)
return sid_memory_type;
}
static void gst_siddec_base_init (gpointer g_class);
static void gst_siddec_class_init (GstSidDec * klass);
static void gst_siddec_init (GstSidDec * siddec);
static void gst_siddec_finalize (GObject * object);
static GstFlowReturn gst_siddec_chain (GstPad * pad, GstBuffer * buffer);
@ -141,58 +138,17 @@ static void gst_siddec_get_property (GObject * object, guint prop_id,
static void gst_siddec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
GType
gst_siddec_get_type (void)
{
static GType siddec_type = 0;
if (G_UNLIKELY (siddec_type == 0)) {
static const GTypeInfo siddec_info = {
sizeof (GstSidDecClass),
gst_siddec_base_init,
NULL,
(GClassInitFunc) gst_siddec_class_init,
NULL,
NULL,
sizeof (GstSidDec),
0,
(GInstanceInitFunc) gst_siddec_init,
NULL
};
siddec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstSidDec", &siddec_info,
(GTypeFlags) 0);
}
return siddec_type;
}
#define gst_siddec_parent_class parent_class
G_DEFINE_TYPE (GstSidDec, gst_siddec, GST_TYPE_ELEMENT);
static void
gst_siddec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class, "Sid decoder",
"Codec/Decoder/Audio", "Use libsidplay to decode SID audio tunes",
"Wim Taymans <wim.taymans@gmail.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_templ));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_templ));
}
static void
gst_siddec_class_init (GstSidDec * klass)
gst_siddec_class_init (GstSidDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
parent_class = GST_ELEMENT_CLASS (g_type_class_peek_parent (klass));
gstelement_class = (GstElementClass *) klass;
gobject_class->finalize = gst_siddec_finalize;
gobject_class->set_property = gst_siddec_set_property;
@ -232,6 +188,15 @@ gst_siddec_class_init (GstSidDec * klass)
g_object_class_install_property (gobject_class, PROP_METADATA,
g_param_spec_boxed ("metadata", "Metadata", "Metadata", GST_TYPE_CAPS,
(GParamFlags)(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
gst_element_class_set_details_simple (gstelement_class, "Sid decoder",
"Codec/Decoder/Audio", "Use libsidplay to decode SID audio tunes",
"Wim Taymans <wim.taymans@gmail.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_templ));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_templ));
}
static void
@ -383,16 +348,18 @@ play_loop (GstPad * pad)
GstFlowReturn ret;
GstSidDec *siddec;
GstBuffer *out;
guint8 *data;
gint64 value, offset, time;
GstFormat format;
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
out = gst_buffer_new_and_alloc (siddec->blocksize);
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
data = (guint8 *) gst_buffer_map (out, NULL, NULL, GST_MAP_WRITE);
sidEmuFillBuffer (*siddec->engine, *siddec->tune,
GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
data, siddec->blocksize);
gst_buffer_unmap (out, data, siddec->blocksize);
/* get offset in samples */
format = GST_FORMAT_DEFAULT;
@ -453,6 +420,7 @@ static gboolean
start_play_tune (GstSidDec * siddec)
{
gboolean res;
GstSegment segment;
if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len))
goto could_not_load;
@ -466,8 +434,9 @@ start_play_tune (GstSidDec * siddec)
siddec->tune_number))
goto could_not_init;
gst_segment_init (&segment, GST_FORMAT_TIME);
gst_pad_push_event (siddec->srcpad,
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
gst_event_new_segment (&segment));
res = gst_pad_start_task (siddec->srcpad,
(GstTaskFunction) play_loop, siddec->srcpad);
@ -506,7 +475,7 @@ gst_siddec_sink_event (GstPad * pad, GstEvent * event)
case GST_EVENT_EOS:
res = start_play_tune (siddec);
break;
case GST_EVENT_NEWSEGMENT:
case GST_EVENT_SEGMENT:
res = FALSE;
break;
default:
@ -527,12 +496,12 @@ gst_siddec_chain (GstPad * pad, GstBuffer * buffer)
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
size = GST_BUFFER_SIZE (buffer);
size = gst_buffer_get_size (buffer);
if (siddec->tune_len + size > maxSidtuneFileLen)
goto overflow;
memcpy (siddec->tune_buffer + siddec->tune_len, GST_BUFFER_DATA (buffer),
size);
gst_buffer_extract (buffer, 0, siddec->tune_buffer + siddec->tune_len, size);
siddec->tune_len += size;
gst_buffer_unref (buffer);