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authorFlavio Oliveira <flavio.oliveira@indt.org.br>2005-09-01 19:12:44 +0000
committerFlavio Oliveira <flavio.oliveira@indt.org.br>2005-09-01 19:12:44 +0000
commitea6821e2934fe8d356ea89d5610f0630b3446877 (patch)
tree37733daef4573c1ea2970a5ff298d528b581a381 /ext/faac/gstfaac.c
parente05ab72ace5e5f8210f68b469729bef810af54bd (diff)
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Faac (AAC Encoder) ported for GStreamer 0.9
Original commit message from CVS: Faac (AAC Encoder) ported for GStreamer 0.9
Diffstat (limited to 'ext/faac/gstfaac.c')
-rw-r--r--ext/faac/gstfaac.c92
1 files changed, 43 insertions, 49 deletions
diff --git a/ext/faac/gstfaac.c b/ext/faac/gstfaac.c
index c5148773..233021e8 100644
--- a/ext/faac/gstfaac.c
+++ b/ext/faac/gstfaac.c
@@ -59,11 +59,9 @@ static void gst_faac_set_property (GObject * object,
static void gst_faac_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
-static GstPadLinkReturn
-gst_faac_sinkconnect (GstPad * pad, const GstCaps * caps);
-static GstPadLinkReturn
-gst_faac_srcconnect (GstPad * pad, const GstCaps * caps);
-static void gst_faac_chain (GstPad * pad, GstData * data);
+static gboolean gst_faac_sink_setcaps (GstPad * pad, GstCaps * caps);
+static gboolean gst_faac_src_setcaps (GstPad * pad, GstCaps * caps);
+static GstFlowReturn gst_faac_chain (GstPad * pad, GstBuffer * data);
static GstElementStateReturn gst_faac_change_state (GstElement * element);
static GstElementClass *parent_class = NULL;
@@ -185,6 +183,9 @@ gst_faac_class_init (GstFaacClass * klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+ gobject_class->set_property = gst_faac_set_property;
+ gobject_class->get_property = gst_faac_get_property;
+
/* properties */
g_object_class_install_property (gobject_class, ARG_BITRATE,
g_param_spec_int ("bitrate", "Bitrate (bps)", "Bitrate in bits/sec",
@@ -209,9 +210,6 @@ gst_faac_class_init (GstFaacClass * klass)
/* virtual functions */
gstelement_class->change_state = gst_faac_change_state;
-
- gobject_class->set_property = gst_faac_set_property;
- gobject_class->get_property = gst_faac_get_property;
}
static void
@@ -224,20 +222,18 @@ gst_faac_init (GstFaac * faac)
faac->cache_time = GST_CLOCK_TIME_NONE;
faac->cache_duration = 0;
- GST_FLAG_SET (faac, GST_ELEMENT_EVENT_AWARE);
-
faac->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
"sink");
- gst_element_add_pad (GST_ELEMENT (faac), faac->sinkpad);
gst_pad_set_chain_function (faac->sinkpad, gst_faac_chain);
- gst_pad_set_link_function (faac->sinkpad, gst_faac_sinkconnect);
+ gst_pad_set_setcaps_function (faac->sinkpad, gst_faac_sink_setcaps);
+ gst_element_add_pad (GST_ELEMENT (faac), faac->sinkpad);
faac->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
"src");
+ gst_pad_set_setcaps_function (faac->srcpad, gst_faac_src_setcaps);
gst_element_add_pad (GST_ELEMENT (faac), faac->srcpad);
- gst_pad_set_link_function (faac->srcpad, gst_faac_srcconnect);
/* default properties */
faac->bitrate = 1024 * 128;
@@ -248,8 +244,8 @@ gst_faac_init (GstFaac * faac)
faac->midside = TRUE;
}
-static GstPadLinkReturn
-gst_faac_sinkconnect (GstPad * pad, const GstCaps * caps)
+static gboolean
+gst_faac_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstFaac *faac = GST_FAAC (gst_pad_get_parent (pad));
GstStructure *structure = gst_caps_get_structure (caps, 0);
@@ -258,7 +254,7 @@ gst_faac_sinkconnect (GstPad * pad, const GstCaps * caps)
gulong samples, bytes, fmt = 0, bps = 0;
if (!gst_caps_is_fixed (caps))
- return GST_PAD_LINK_DELAYED;
+ return FALSE; /* GST_PAD_LINK_DELAYED; */
if (faac->handle) {
faacEncClose (faac->handle);
@@ -275,7 +271,7 @@ gst_faac_sinkconnect (GstPad * pad, const GstCaps * caps)
/* open a new handle to the encoder */
if (!(handle = faacEncOpen (samplerate, channels, &samples, &bytes)))
- return GST_PAD_LINK_REFUSED;
+ return FALSE;
switch (depth) {
case 16:
@@ -294,7 +290,7 @@ gst_faac_sinkconnect (GstPad * pad, const GstCaps * caps)
if (!fmt) {
faacEncClose (handle);
- return GST_PAD_LINK_REFUSED;
+ return FALSE;
}
faac->format = fmt;
@@ -307,21 +303,21 @@ gst_faac_sinkconnect (GstPad * pad, const GstCaps * caps)
/* if the other side was already set-up, redo that */
if (GST_PAD_CAPS (faac->srcpad))
- return gst_faac_srcconnect (faac->srcpad,
+ return gst_faac_src_setcaps (faac->srcpad,
gst_pad_get_allowed_caps (faac->srcpad));
/* else, that'll be done later */
- return GST_PAD_LINK_OK;
+ return TRUE;
}
-static GstPadLinkReturn
-gst_faac_srcconnect (GstPad * pad, const GstCaps * caps)
+static gboolean
+gst_faac_src_setcaps (GstPad * pad, GstCaps * caps)
{
GstFaac *faac = GST_FAAC (gst_pad_get_parent (pad));
gint n;
if (!faac->handle || (faac->samplerate == -1 || faac->channels == -1)) {
- return GST_PAD_LINK_DELAYED;
+ return FALSE;
}
/* we do samplerate/channels ourselves */
@@ -339,7 +335,6 @@ gst_faac_srcconnect (GstPad * pad, const GstCaps * caps)
faacEncConfiguration *conf;
gint mpegversion = 0;
GstCaps *newcaps;
- GstPadLinkReturn ret;
gst_structure_get_int (structure, "mpegversion", &mpegversion);
@@ -363,28 +358,25 @@ gst_faac_srcconnect (GstPad * pad, const GstCaps * caps)
"mpegversion", G_TYPE_INT, mpegversion,
"channels", G_TYPE_INT, faac->channels,
"rate", G_TYPE_INT, faac->samplerate, NULL);
- ret = gst_pad_try_set_caps (faac->srcpad, newcaps);
-
- switch (ret) {
- case GST_PAD_LINK_OK:
- case GST_PAD_LINK_DONE:
- return GST_PAD_LINK_DONE;
- case GST_PAD_LINK_DELAYED:
- return GST_PAD_LINK_DELAYED;
- default:
- break;
- }
+
+ /* negotiate with these caps */
+ GST_DEBUG ("here are the caps: %" GST_PTR_FORMAT, newcaps);
+ if (gst_pad_set_caps (faac->srcpad, newcaps) == TRUE)
+ return TRUE;
+ else
+ return FALSE;
}
- return GST_PAD_LINK_REFUSED;
+ return FALSE;
}
-static void
-gst_faac_chain (GstPad * pad, GstData * data)
+static GstFlowReturn
+gst_faac_chain (GstPad * pad, GstBuffer * data)
{
GstFaac *faac = GST_FAAC (gst_pad_get_parent (pad));
GstBuffer *inbuf, *outbuf, *subbuf;
guint size, ret_size, in_size, frame_size;
+ GstFlowReturn result = GST_FLOW_OK;
if (GST_IS_EVENT (data)) {
GstEvent *event = GST_EVENT (data);
@@ -399,25 +391,25 @@ gst_faac_chain (GstPad * pad, GstData * data)
GST_ELEMENT_ERROR (faac, LIBRARY, ENCODE, (NULL), (NULL));
gst_event_unref (event);
gst_buffer_unref (outbuf);
- return;
+ return GST_FLOW_ERROR;
}
if (ret_size > 0) {
GST_BUFFER_SIZE (outbuf) = ret_size;
GST_BUFFER_TIMESTAMP (outbuf) = 0;
GST_BUFFER_DURATION (outbuf) = 0;
- gst_pad_push (faac->srcpad, GST_DATA (outbuf));
+ gst_pad_push (faac->srcpad, outbuf);
} else {
break;
}
}
- gst_element_set_eos (GST_ELEMENT (faac));
+ gst_pad_push_event (faac->srcpad, gst_event_new_eos ());
gst_pad_push (faac->srcpad, data);
- return;
+ return result;
default:
gst_pad_event_default (pad, event);
- return;
+ return result;
}
}
@@ -427,16 +419,16 @@ gst_faac_chain (GstPad * pad, GstData * data)
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before chain function"));
gst_buffer_unref (inbuf);
- return;
+ return GST_FLOW_ERROR;
}
if (!GST_PAD_CAPS (faac->srcpad)) {
- if (gst_faac_srcconnect (faac->srcpad,
+ if (gst_faac_src_setcaps (faac->srcpad,
gst_pad_get_allowed_caps (faac->srcpad)) <= 0) {
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL),
("failed to negotiate MPEG/AAC format with next element"));
gst_buffer_unref (inbuf);
- return;
+ return GST_FLOW_ERROR;
}
}
@@ -473,7 +465,7 @@ gst_faac_chain (GstPad * pad, GstData * data)
gst_buffer_unref (inbuf);
}
- return;
+ return result;
}
/* create the frame */
@@ -506,7 +498,7 @@ gst_faac_chain (GstPad * pad, GstData * data)
GST_ELEMENT_ERROR (faac, LIBRARY, ENCODE, (NULL), (NULL));
gst_buffer_unref (inbuf);
gst_buffer_unref (subbuf);
- return;
+ return GST_FLOW_ERROR;
}
if (ret_size > 0) {
@@ -521,7 +513,7 @@ gst_faac_chain (GstPad * pad, GstData * data)
GST_BUFFER_DURATION (outbuf) += faac->cache_duration;
faac->cache_duration = 0;
}
- gst_pad_push (faac->srcpad, GST_DATA (outbuf));
+ gst_pad_push (faac->srcpad, outbuf);
} else {
/* FIXME: what I'm doing here isn't fully correct, but there
* really isn't a better way yet.
@@ -540,6 +532,8 @@ gst_faac_chain (GstPad * pad, GstData * data)
in_size -= frame_size;
gst_buffer_unref (subbuf);
}
+
+ return result;
}
static void