From c207bdf1e7ac5ea4010a9268c6683796fa385d0e Mon Sep 17 00:00:00 2001 From: Danilo Cesar Lemes de Paula Date: Wed, 7 Dec 2011 15:13:11 -0200 Subject: Adding opus RTP payloader/depayloader element Adding OPUS RTP module based on the current draft: http://tools.ietf.org/id/draft-spittka-payload-rtp-opus-00.txt https://bugzilla.gnome.org/show_bug.cgi?id=664817 --- gst/rtp/gstrtpopusdepay.c | 123 ++++++++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpopusdepay.h | 57 +++++++++++++++++++ gst/rtp/gstrtpopuspay.c | 140 ++++++++++++++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpopuspay.h | 58 +++++++++++++++++++ 4 files changed, 378 insertions(+) create mode 100644 gst/rtp/gstrtpopusdepay.c create mode 100644 gst/rtp/gstrtpopusdepay.h create mode 100644 gst/rtp/gstrtpopuspay.c create mode 100644 gst/rtp/gstrtpopuspay.h diff --git a/gst/rtp/gstrtpopusdepay.c b/gst/rtp/gstrtpopusdepay.c new file mode 100644 index 000000000..0f1869ed5 --- /dev/null +++ b/gst/rtp/gstrtpopusdepay.c @@ -0,0 +1,123 @@ +/* + * Opus Depayloader Gst Element + * + * @author: Danilo Cesar Lemes de Paula + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include "gstrtpopusdepay.h" + +GST_DEBUG_CATEGORY_STATIC (rtpopusdepay_debug); +#define GST_CAT_DEFAULT (rtpopusdepay_debug) + + + +static GstStaticPadTemplate gst_rtp_opus_depay_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp, " + "media = (string) \"audio\", " + "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING "," + "clock-rate = (int) 48000, " + "encoding-name = (string) \"X-GST-OPUS-DRAFT-SPITTKA-00\"") + ); + +static GstStaticPadTemplate gst_rtp_opus_depay_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-opus") + ); + +static GstBuffer *gst_rtp_opus_depay_process (GstBaseRTPDepayload * depayload, + GstBuffer * buf); +static gboolean gst_rtp_opus_depay_setcaps (GstBaseRTPDepayload * depayload, + GstCaps * caps); + +GST_BOILERPLATE (GstRTPOpusDepay, gst_rtp_opus_depay, GstBaseRTPDepayload, + GST_TYPE_BASE_RTP_DEPAYLOAD); + +static void +gst_rtp_opus_depay_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_opus_depay_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_opus_depay_sink_template)); + gst_element_class_set_details_simple (element_class, + "RTP Opus packet depayloader", "Codec/Depayloader/Network/RTP", + "Extracts Opus audio from RTP packets", + "Danilo Cesar Lemes de Paula "); +} + +static void +gst_rtp_opus_depay_class_init (GstRTPOpusDepayClass * klass) +{ + GstBaseRTPDepayloadClass *gstbasertpdepayload_class; + + gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass; + + gstbasertpdepayload_class->process = gst_rtp_opus_depay_process; + gstbasertpdepayload_class->set_caps = gst_rtp_opus_depay_setcaps; + + GST_DEBUG_CATEGORY_INIT (rtpopusdepay_debug, "rtpopusdepay", 0, + "Opus RTP Depayloader"); +} + +static void +gst_rtp_opus_depay_init (GstRTPOpusDepay * rtpopusdepay, + GstRTPOpusDepayClass * klass) +{ + +} + +static gboolean +gst_rtp_opus_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps) +{ + GstCaps *srccaps; + gboolean ret; + + srccaps = gst_caps_new_simple ("audio/x-opus", NULL); + ret = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps); + + GST_DEBUG_OBJECT (depayload, + "set caps on source: %" GST_PTR_FORMAT " (ret=%d)", srccaps, ret); + gst_caps_unref (srccaps); + + depayload->clock_rate = 48000; + + return ret; +} + +static GstBuffer * +gst_rtp_opus_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) +{ + GstBuffer *outbuf; + outbuf = gst_rtp_buffer_get_payload_buffer (buf); + + return outbuf; +} diff --git a/gst/rtp/gstrtpopusdepay.h b/gst/rtp/gstrtpopusdepay.h new file mode 100644 index 000000000..ba217e0e8 --- /dev/null +++ b/gst/rtp/gstrtpopusdepay.h @@ -0,0 +1,57 @@ +/* + * Opus Depayloader Gst Element + * + * @author: Danilo Cesar Lemes de Paula + * + * 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. + */ + +#ifndef __GST_RTP_OPUS_DEPAY_H__ +#define __GST_RTP_OPUS_DEPAY_H__ + +#include +#include + +G_BEGIN_DECLS typedef struct _GstRTPOpusDepay GstRTPOpusDepay; +typedef struct _GstRTPOpusDepayClass GstRTPOpusDepayClass; + +#define GST_TYPE_RTP_OPUS_DEPAY \ + (gst_rtp_opus_depay_get_type()) +#define GST_RTP_OPUS_DEPAY(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_OPUS_DEPAY,GstRTPOpusDepay)) +#define GST_RTP_OPUS_DEPAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_OPUS_DEPAY,GstRTPOpusDepayClass)) +#define GST_IS_RTP_OPUS_DEPAY(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_OPUS_DEPAY)) +#define GST_IS_RTP_OPUS_DEPAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_OPUS_DEPAY)) + + +struct _GstRTPOpusDepay +{ + GstBaseRTPDepayload depayload; + +}; + +struct _GstRTPOpusDepayClass +{ + GstBaseRTPDepayloadClass parent_class; +}; + +GType gst_rtp_opus_depay_get_type (void); + +G_END_DECLS +#endif /* __GST_RTP_OPUS_DEPAY_H__ */ diff --git a/gst/rtp/gstrtpopuspay.c b/gst/rtp/gstrtpopuspay.c new file mode 100644 index 000000000..9724e6276 --- /dev/null +++ b/gst/rtp/gstrtpopuspay.c @@ -0,0 +1,140 @@ +/* + * Opus Payloader Gst Element + * + * @author: Danilo Cesar Lemes de Paula + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include + +#include "gstrtpopuspay.h" + +GST_DEBUG_CATEGORY_STATIC (rtpopuspay_debug); +#define GST_CAT_DEFAULT (rtpopuspay_debug) + + +static GstStaticPadTemplate gst_rtp_opus_pay_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-opus") + ); + +static GstStaticPadTemplate gst_rtp_opus_pay_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp, " + "media = (string) \"audio\", " + "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", " + "clock-rate = (int) 48000, " + "encoding-name = (string) \"X-GST-OPUS-DRAFT-SPITTKA-00\"") + ); + +static gboolean gst_rtp_opus_pay_setcaps (GstBaseRTPPayload * payload, + GstCaps * caps); +static GstFlowReturn gst_rtp_opus_pay_handle_buffer (GstBaseRTPPayload * + payload, GstBuffer * buffer); + +GST_BOILERPLATE (GstRtpOPUSPay, gst_rtp_opus_pay, GstBaseRTPPayload, + GST_TYPE_BASE_RTP_PAYLOAD); + +static void +gst_rtp_opus_pay_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_opus_pay_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_opus_pay_sink_template)); + + gst_element_class_set_details_simple (element_class, + "RTP Opus payloader", + "Codec/Payloader/Network/RTP", + "Puts Opus audio in RTP packets", + "Danilo Cesar Lemes de Paula "); +} + +static void +gst_rtp_opus_pay_class_init (GstRtpOPUSPayClass * klass) +{ + GstBaseRTPPayloadClass *gstbasertppayload_class; + + gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass; + + gstbasertppayload_class->set_caps = gst_rtp_opus_pay_setcaps; + gstbasertppayload_class->handle_buffer = gst_rtp_opus_pay_handle_buffer; + + GST_DEBUG_CATEGORY_INIT (rtpopuspay_debug, "rtpopuspay", 0, + "Opus RTP Payloader"); +} + +static void +gst_rtp_opus_pay_init (GstRtpOPUSPay * rtpopuspay, GstRtpOPUSPayClass * klass) +{ +} + +static gboolean +gst_rtp_opus_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps) +{ + gboolean res; + gchar *capsstr; + + capsstr = gst_caps_to_string (caps); + + gst_basertppayload_set_options (payload, "audio", FALSE, + "X-GST-OPUS-DRAFT-SPITTKA-00", 48000); + res = + gst_basertppayload_set_outcaps (payload, "caps", G_TYPE_STRING, capsstr, + NULL); + g_free (capsstr); + + return res; +} + +static GstFlowReturn +gst_rtp_opus_pay_handle_buffer (GstBaseRTPPayload * basepayload, + GstBuffer * buffer) +{ + GstBuffer *outbuf; + GstClockTime timestamp; + + guint size; + guint8 *data; + guint8 *payload; + + size = GST_BUFFER_SIZE (buffer); + data = GST_BUFFER_DATA (buffer); + timestamp = GST_BUFFER_TIMESTAMP (buffer); + + outbuf = gst_rtp_buffer_new_allocate (size, 0, 0); + payload = gst_rtp_buffer_get_payload (outbuf); + + memcpy (payload, data, size); + + gst_rtp_buffer_set_marker (outbuf, FALSE); + GST_BUFFER_TIMESTAMP (outbuf) = timestamp; + + return gst_basertppayload_push (basepayload, outbuf); +} diff --git a/gst/rtp/gstrtpopuspay.h b/gst/rtp/gstrtpopuspay.h new file mode 100644 index 000000000..23abd0dab --- /dev/null +++ b/gst/rtp/gstrtpopuspay.h @@ -0,0 +1,58 @@ +/* + * Opus Payloader Gst Element + * + * @author: Danilo Cesar Lemes de Paula + * + * 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. + */ + +#ifndef __GST_RTP_OPUS_PAY_H__ +#define __GST_RTP_OPUS_PAY_H__ + +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_OPUS_PAY \ + (gst_rtp_opus_pay_get_type()) +#define GST_RTP_OPUS_PAY(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_OPUS_PAY,GstRtpOPUSPay)) +#define GST_RTP_OPUS_PAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_OPUS_PAY,GstRtpOPUSPayClass)) +#define GST_IS_RTP_OPUS_PAY(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_OPUS_PAY)) +#define GST_IS_RTP_OPUS_PAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_OPUS_PAY)) + +typedef struct _GstRtpOPUSPay GstRtpOPUSPay; +typedef struct _GstRtpOPUSPayClass GstRtpOPUSPayClass; + +struct _GstRtpOPUSPay +{ + GstBaseRTPPayload payload; +}; + +struct _GstRtpOPUSPayClass +{ + GstBaseRTPPayloadClass parent_class; +}; + +GType gst_rtp_opus_pay_get_type (void); + +G_END_DECLS + +#endif /* __GST_RTP_OPUS_PAY_H__ */ -- cgit v1.2.1