amrwbenc: Switch to the free vo-amrwbenc library
And rename everything to voamrwbenc instead of amrwbenc.
diff --git a/ext/voamrwbenc/gstvoamrwbenc.c b/ext/voamrwbenc/gstvoamrwbenc.c
new file mode 100644
index 0000000..94932b4
--- /dev/null
+++ b/ext/voamrwbenc/gstvoamrwbenc.c
@@ -0,0 +1,385 @@
+/* GStreamer Adaptive Multi-Rate Wide-Band (AMR-WB) plugin
+ * Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * SECTION:element-voamrwbenc
+ * @see_also: #GstAmrWbDec, #GstAmrWbParse
+ *
+ * AMR wideband encoder based on the
+ * <ulink url="http://www.penguin.cz/~utx/amr">reference codec implementation</ulink>.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch filesrc location=abc.wav ! wavparse ! audioresample ! audioconvert ! voamrwbenc ! filesink location=abc.amr
+ * ]|
+ * Please note that the above stream misses the header, that is needed to play
+ * the stream.
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstvoamrwbenc.h"
+
+#define MR660 0
+#define MR885 1
+#define MR1265 2
+#define MR1425 2
+#define MR1585 3
+#define MR1825 4
+#define MR1985 5
+#define MR2305 6
+#define MR2385 7
+#define MRDTX 8
+
+#define L_FRAME16k 320 /* Frame size at 16kHz */
+
+static GType
+gst_voamrwbenc_bandmode_get_type (void)
+{
+ static GType gst_voamrwbenc_bandmode_type = 0;
+ static GEnumValue gst_voamrwbenc_bandmode[] = {
+ {MR660, "MR660", "MR660"},
+ {MR885, "MR885", "MR885"},
+ {MR1265, "MR1265", "MR1265"},
+ {MR1425, "MR1425", "MR1425"},
+ {MR1585, "MR1585", "MR1585"},
+ {MR1825, "MR1825", "MR1825"},
+ {MR1985, "MR1985", "MR1985"},
+ {MR2305, "MR2305", "MR2305"},
+ {MR2385, "MR2385", "MR2385"},
+ {MRDTX, "MRDTX", "MRDTX"},
+ {0, NULL, NULL},
+ };
+ if (!gst_voamrwbenc_bandmode_type) {
+ gst_voamrwbenc_bandmode_type =
+ g_enum_register_static ("GstVoAmrWbEncBandMode",
+ gst_voamrwbenc_bandmode);
+ }
+ return gst_voamrwbenc_bandmode_type;
+}
+
+#define GST_VOAMRWBENC_BANDMODE_TYPE (gst_voamrwbenc_bandmode_get_type())
+
+#define BANDMODE_DEFAULT MR660
+
+enum
+{
+ PROP_0,
+ PROP_BANDMODE
+};
+
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "width = (int) 16, "
+ "depth = (int) 16, "
+ "signed = (boolean) TRUE, "
+ "endianness = (int) BYTE_ORDER, "
+ "rate = (int) 16000, " "channels = (int) 1")
+ );
+
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/AMR-WB, "
+ "rate = (int) 16000, " "channels = (int) 1")
+ );
+
+GST_DEBUG_CATEGORY_STATIC (gst_voamrwbenc_debug);
+#define GST_CAT_DEFAULT gst_voamrwbenc_debug
+
+static void gst_voamrwbenc_finalize (GObject * object);
+
+static GstFlowReturn gst_voamrwbenc_chain (GstPad * pad, GstBuffer * buffer);
+static gboolean gst_voamrwbenc_setcaps (GstPad * pad, GstCaps * caps);
+static GstStateChangeReturn gst_voamrwbenc_state_change (GstElement * element,
+ GstStateChange transition);
+
+static void
+_do_init (GType object_type)
+{
+ const GInterfaceInfo preset_interface_info = {
+ NULL, /* interface init */
+ NULL, /* interface finalize */
+ NULL /* interface_data */
+ };
+
+ g_type_add_interface_static (object_type, GST_TYPE_PRESET,
+ &preset_interface_info);
+
+ GST_DEBUG_CATEGORY_INIT (gst_voamrwbenc_debug, "amrwbenc", 0,
+ "AMR-WB audio encoder");
+}
+
+GST_BOILERPLATE_FULL (GstVoAmrWbEnc, gst_voamrwbenc, GstElement,
+ GST_TYPE_ELEMENT, _do_init);
+
+static void
+gst_voamrwbenc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstVoAmrWbEnc *self = GST_VOAMRWBENC (object);
+
+ switch (prop_id) {
+ case PROP_BANDMODE:
+ self->bandmode = g_value_get_enum (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+
+ return;
+}
+
+static void
+gst_voamrwbenc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstVoAmrWbEnc *self = GST_VOAMRWBENC (object);
+
+ switch (prop_id) {
+ case PROP_BANDMODE:
+ g_value_set_enum (value, self->bandmode);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+
+ return;
+}
+
+static void
+gst_voamrwbenc_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+
+ gst_element_class_set_details_simple (element_class, "AMR-WB audio encoder",
+ "Codec/Encoder/Audio",
+ "Adaptive Multi-Rate Wideband audio encoder",
+ "Renato Araujo <renato.filho@indt.org.br>");
+}
+
+static void
+gst_voamrwbenc_class_init (GstVoAmrWbEncClass * klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ object_class->finalize = gst_voamrwbenc_finalize;
+ object_class->set_property = gst_voamrwbenc_set_property;
+ object_class->get_property = gst_voamrwbenc_get_property;
+
+ g_object_class_install_property (object_class, PROP_BANDMODE,
+ g_param_spec_enum ("band-mode", "Band Mode",
+ "Encoding Band Mode (Kbps)", GST_VOAMRWBENC_BANDMODE_TYPE,
+ BANDMODE_DEFAULT,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
+
+ element_class->change_state = GST_DEBUG_FUNCPTR (gst_voamrwbenc_state_change);
+}
+
+static void
+gst_voamrwbenc_init (GstVoAmrWbEnc * amrwbenc, GstVoAmrWbEncClass * klass)
+{
+ /* create the sink pad */
+ amrwbenc->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
+ gst_pad_set_setcaps_function (amrwbenc->sinkpad, gst_voamrwbenc_setcaps);
+ gst_pad_set_chain_function (amrwbenc->sinkpad, gst_voamrwbenc_chain);
+ gst_element_add_pad (GST_ELEMENT (amrwbenc), amrwbenc->sinkpad);
+
+ /* create the src pad */
+ amrwbenc->srcpad = gst_pad_new_from_static_template (&src_template, "src");
+ gst_pad_use_fixed_caps (amrwbenc->srcpad);
+ gst_element_add_pad (GST_ELEMENT (amrwbenc), amrwbenc->srcpad);
+
+ amrwbenc->adapter = gst_adapter_new ();
+
+ /* init rest */
+ amrwbenc->handle = NULL;
+ amrwbenc->channels = 0;
+ amrwbenc->rate = 0;
+ amrwbenc->ts = 0;
+}
+
+static void
+gst_voamrwbenc_finalize (GObject * object)
+{
+ GstVoAmrWbEnc *amrwbenc;
+
+ amrwbenc = GST_VOAMRWBENC (object);
+
+ g_object_unref (G_OBJECT (amrwbenc->adapter));
+ amrwbenc->adapter = NULL;
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_voamrwbenc_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstStructure *structure;
+ GstVoAmrWbEnc *amrwbenc;
+ GstCaps *copy;
+
+ amrwbenc = GST_VOAMRWBENC (GST_PAD_PARENT (pad));
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ /* get channel count */
+ gst_structure_get_int (structure, "channels", &amrwbenc->channels);
+ gst_structure_get_int (structure, "rate", &amrwbenc->rate);
+
+ /* this is not wrong but will sound bad */
+ if (amrwbenc->channels != 1) {
+ GST_WARNING ("amrwbdec is only optimized for mono channels");
+ }
+ if (amrwbenc->rate != 16000) {
+ GST_WARNING ("amrwbdec is only optimized for 16000 Hz samplerate");
+ }
+
+ /* create reverse caps */
+ copy = gst_caps_new_simple ("audio/AMR-WB",
+ "channels", G_TYPE_INT, amrwbenc->channels,
+ "rate", G_TYPE_INT, amrwbenc->rate, NULL);
+
+ gst_pad_set_caps (amrwbenc->srcpad, copy);
+ gst_caps_unref (copy);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_voamrwbenc_chain (GstPad * pad, GstBuffer * buffer)
+{
+ GstVoAmrWbEnc *amrwbenc;
+ GstFlowReturn ret = GST_FLOW_OK;
+ const int buffer_size = sizeof (short) * L_FRAME16k;
+
+ amrwbenc = GST_VOAMRWBENC (gst_pad_get_parent (pad));
+
+ g_return_val_if_fail (amrwbenc->handle, GST_FLOW_WRONG_STATE);
+
+ if (amrwbenc->rate == 0 || amrwbenc->channels == 0) {
+ ret = GST_FLOW_NOT_NEGOTIATED;
+ goto done;
+ }
+
+ /* discontinuity clears adapter, FIXME, maybe we can set some
+ * encoder flag to mask the discont. */
+ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
+ gst_adapter_clear (amrwbenc->adapter);
+ amrwbenc->ts = 0;
+ amrwbenc->discont = TRUE;
+ }
+
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
+ amrwbenc->ts = GST_BUFFER_TIMESTAMP (buffer);
+
+ ret = GST_FLOW_OK;
+ gst_adapter_push (amrwbenc->adapter, buffer);
+
+ /* Collect samples until we have enough for an output frame */
+ while (gst_adapter_available (amrwbenc->adapter) >= buffer_size) {
+ GstBuffer *out;
+ guint8 *data;
+ gint outsize;
+
+ out = gst_buffer_new_and_alloc (buffer_size);
+ GST_BUFFER_DURATION (out) = GST_SECOND * L_FRAME16k /
+ (amrwbenc->rate * amrwbenc->channels);
+ GST_BUFFER_TIMESTAMP (out) = amrwbenc->ts;
+ if (amrwbenc->ts != -1) {
+ amrwbenc->ts += GST_BUFFER_DURATION (out);
+ }
+ if (amrwbenc->discont) {
+ GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DISCONT);
+ amrwbenc->discont = FALSE;
+ }
+ gst_buffer_set_caps (out, gst_pad_get_caps (amrwbenc->srcpad));
+
+ data = (guint8 *) gst_adapter_peek (amrwbenc->adapter, buffer_size);
+
+ /* encode */
+ outsize =
+ E_IF_encode (amrwbenc->handle, amrwbenc->bandmode, (const short *) data,
+ (unsigned char *) GST_BUFFER_DATA (out), 0);
+
+ gst_adapter_flush (amrwbenc->adapter, buffer_size);
+ GST_BUFFER_SIZE (out) = outsize;
+
+ /* play */
+ if ((ret = gst_pad_push (amrwbenc->srcpad, out)) != GST_FLOW_OK)
+ break;
+ }
+
+done:
+
+ gst_object_unref (amrwbenc);
+ return ret;
+
+}
+
+static GstStateChangeReturn
+gst_voamrwbenc_state_change (GstElement * element, GstStateChange transition)
+{
+ GstVoAmrWbEnc *amrwbenc;
+ GstStateChangeReturn ret;
+
+ amrwbenc = GST_VOAMRWBENC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!(amrwbenc->handle = E_IF_init ()))
+ return GST_STATE_CHANGE_FAILURE;
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ amrwbenc->rate = 0;
+ amrwbenc->channels = 0;
+ amrwbenc->ts = 0;
+ amrwbenc->discont = FALSE;
+ gst_adapter_clear (amrwbenc->adapter);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ E_IF_exit (amrwbenc->handle);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
