gstreamer/gst/rtp/gstrtptheorapay.c

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/* GStreamer
gst/rtp/: Fix the descriptions and fix some email addresses. Original commit message from CVS: * gst/rtp/gstasteriskh263.c: * gst/rtp/gstasteriskh263.h: * gst/rtp/gstrtpL16depay.c: (gst_rtp_L16_depay_setcaps): * gst/rtp/gstrtpL16depay.h: * gst/rtp/gstrtpL16pay.c: * gst/rtp/gstrtpL16pay.h: * gst/rtp/gstrtpac3depay.c: (gst_rtp_ac3_depay_setcaps): * gst/rtp/gstrtpac3depay.h: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpamrdepay.h: * gst/rtp/gstrtpamrpay.c: * gst/rtp/gstrtpamrpay.h: * gst/rtp/gstrtpdepay.c: * gst/rtp/gstrtpdepay.h: * gst/rtp/gstrtpdvdepay.c: (gst_rtp_dv_depay_setcaps): * gst/rtp/gstrtpg726depay.c: * gst/rtp/gstrtpg726pay.c: * gst/rtp/gstrtpg729depay.c: * gst/rtp/gstrtpg729pay.c: * gst/rtp/gstrtpgsmdepay.c: * gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_setcaps): * gst/rtp/gstrtph263depay.c: (gst_rtp_h263_depay_setcaps): * gst/rtp/gstrtph263depay.h: * gst/rtp/gstrtph263pay.c: * gst/rtp/gstrtph263pay.h: * gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_setcaps): * gst/rtp/gstrtph263pdepay.h: * gst/rtp/gstrtph263ppay.c: * gst/rtp/gstrtph263ppay.h: * gst/rtp/gstrtph264depay.c: * gst/rtp/gstrtph264depay.h: * gst/rtp/gstrtph264pay.c: * gst/rtp/gstrtph264pay.h: * gst/rtp/gstrtpilbcdepay.c: * gst/rtp/gstrtpilbcpay.c: * gst/rtp/gstrtpjpegdepay.h: * gst/rtp/gstrtpmp1sdepay.c: (gst_rtp_mp1s_depay_setcaps): * gst/rtp/gstrtpmp1sdepay.h: * gst/rtp/gstrtpmp2tdepay.c: (gst_rtp_mp2t_depay_setcaps): * gst/rtp/gstrtpmp2tdepay.h: * gst/rtp/gstrtpmp2tpay.c: * gst/rtp/gstrtpmp2tpay.h: * gst/rtp/gstrtpmp4adepay.c: (gst_rtp_mp4a_depay_setcaps): * gst/rtp/gstrtpmp4apay.c: * gst/rtp/gstrtpmp4apay.h: * gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_setcaps): * gst/rtp/gstrtpmp4gdepay.h: * gst/rtp/gstrtpmp4gpay.c: * gst/rtp/gstrtpmp4gpay.h: * gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_setcaps): * gst/rtp/gstrtpmp4vdepay.h: * gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_event): * gst/rtp/gstrtpmp4vpay.h: * gst/rtp/gstrtpmpadepay.c: * gst/rtp/gstrtpmpadepay.h: * gst/rtp/gstrtpmpapay.c: * gst/rtp/gstrtpmpapay.h: * gst/rtp/gstrtpmpvdepay.c: * gst/rtp/gstrtpmpvdepay.h: * gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_process): * gst/rtp/gstrtppcmapay.c: * gst/rtp/gstrtppcmudepay.c: * gst/rtp/gstrtppcmupay.c: * gst/rtp/gstrtpspeexdepay.c: * gst/rtp/gstrtpspeexpay.c: * gst/rtp/gstrtpsv3vdepay.c: * gst/rtp/gstrtpsv3vdepay.h: * gst/rtp/gstrtptheoradepay.c: * gst/rtp/gstrtptheoradepay.h: * gst/rtp/gstrtptheorapay.c: * gst/rtp/gstrtptheorapay.h: * gst/rtp/gstrtpvorbisdepay.c: * gst/rtp/gstrtpvorbisdepay.h: * gst/rtp/gstrtpvorbispay.c: (gst_rtp_vorbis_pay_finish_headers): * gst/rtp/gstrtpvorbispay.h: * gst/rtp/gstrtpvrawdepay.c: (gst_rtp_vraw_depay_setcaps): * gst/rtp/gstrtpvrawpay.c: Fix the descriptions and fix some email addresses.
2008-11-25 18:03:02 +00:00
* Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.com>
*
* 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 <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "fnv1hash.h"
#include "gstrtptheorapay.h"
#define THEORA_ID_LEN 42
GST_DEBUG_CATEGORY_STATIC (rtptheorapay_debug);
#define GST_CAT_DEFAULT (rtptheorapay_debug)
/* references:
* http://svn.xiph.org/trunk/theora/doc/draft-ietf-avt-rtp-theora-01.txt
*/
static GstStaticPadTemplate gst_rtp_theora_pay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"video\", "
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
"clock-rate = (int) 90000, " "encoding-name = (string) \"THEORA\""
/* All required parameters
*
* "sampling = (string) { "YCbCr-4:2:0", "YCbCr-4:2:2", "YCbCr-4:4:4" } "
* "width = (string) [1, 1048561] (multiples of 16) "
* "height = (string) [1, 1048561] (multiples of 16) "
* "configuration = (string) ANY"
*/
/* All optional parameters
*
* "configuration-uri ="
* "delivery-method = (string) { inline, in_band, out_band/<specific_name> } "
*/
)
);
static GstStaticPadTemplate gst_rtp_theora_pay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-theora")
);
#define DEFAULT_CONFIG_INTERVAL 0
enum
{
PROP_0,
PROP_CONFIG_INTERVAL
};
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#define gst_rtp_theora_pay_parent_class parent_class
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G_DEFINE_TYPE (GstRtpTheoraPay, gst_rtp_theora_pay, GST_TYPE_RTP_BASE_PAYLOAD);
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static gboolean gst_rtp_theora_pay_setcaps (GstRTPBasePayload * basepayload,
GstCaps * caps);
static GstStateChangeReturn gst_rtp_theora_pay_change_state (GstElement *
element, GstStateChange transition);
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static GstFlowReturn gst_rtp_theora_pay_handle_buffer (GstRTPBasePayload * pad,
GstBuffer * buffer);
static gboolean gst_rtp_theora_pay_sink_event (GstRTPBasePayload * payload,
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GstEvent * event);
static void gst_rtp_theora_pay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtp_theora_pay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void
gst_rtp_theora_pay_class_init (GstRtpTheoraPayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
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GstRTPBasePayloadClass *gstrtpbasepayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
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gstrtpbasepayload_class = (GstRTPBasePayloadClass *) klass;
gstelement_class->change_state = gst_rtp_theora_pay_change_state;
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gstrtpbasepayload_class->set_caps = gst_rtp_theora_pay_setcaps;
gstrtpbasepayload_class->handle_buffer = gst_rtp_theora_pay_handle_buffer;
gstrtpbasepayload_class->sink_event = gst_rtp_theora_pay_sink_event;
gobject_class->set_property = gst_rtp_theora_pay_set_property;
gobject_class->get_property = gst_rtp_theora_pay_get_property;
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gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_rtp_theora_pay_src_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_rtp_theora_pay_sink_template));
gst_element_class_set_details_simple (gstelement_class,
"RTP Theora payloader", "Codec/Payloader/Network/RTP",
"Payload-encode Theora video into RTP packets (draft-01 RFC XXXX)",
"Wim Taymans <wim.taymans@gmail.com>");
GST_DEBUG_CATEGORY_INIT (rtptheorapay_debug, "rtptheorapay", 0,
"Theora RTP Payloader");
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CONFIG_INTERVAL,
g_param_spec_uint ("config-interval", "Config Send Interval",
"Send Config Insertion Interval in seconds (configuration headers "
"will be multiplexed in the data stream when detected.) (0 = disabled)",
0, 3600, DEFAULT_CONFIG_INTERVAL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
);
}
static void
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gst_rtp_theora_pay_init (GstRtpTheoraPay * rtptheorapay)
{
rtptheorapay->last_config = GST_CLOCK_TIME_NONE;
}
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static void
gst_rtp_theora_pay_clear_packet (GstRtpTheoraPay * rtptheorapay)
{
if (rtptheorapay->packet)
gst_buffer_unref (rtptheorapay->packet);
rtptheorapay->packet = NULL;
}
static void
gst_rtp_theora_pay_cleanup (GstRtpTheoraPay * rtptheorapay)
{
g_list_foreach (rtptheorapay->headers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (rtptheorapay->headers);
rtptheorapay->headers = NULL;
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gst_rtp_theora_pay_clear_packet (rtptheorapay);
if (rtptheorapay->config_data)
g_free (rtptheorapay->config_data);
rtptheorapay->config_data = NULL;
rtptheorapay->last_config = GST_CLOCK_TIME_NONE;
}
static gboolean
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gst_rtp_theora_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
{
GstRtpTheoraPay *rtptheorapay;
rtptheorapay = GST_RTP_THEORA_PAY (basepayload);
rtptheorapay->need_headers = TRUE;
return TRUE;
}
static void
gst_rtp_theora_pay_reset_packet (GstRtpTheoraPay * rtptheorapay, guint8 TDT)
{
guint payload_len;
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GstRTPBuffer rtp;
GST_DEBUG_OBJECT (rtptheorapay, "reset packet");
rtptheorapay->payload_pos = 4;
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gst_rtp_buffer_map (rtptheorapay->packet, GST_MAP_READ, &rtp);
payload_len = gst_rtp_buffer_get_payload_len (&rtp);
gst_rtp_buffer_unmap (&rtp);
rtptheorapay->payload_left = payload_len - 4;
rtptheorapay->payload_duration = 0;
rtptheorapay->payload_F = 0;
rtptheorapay->payload_TDT = TDT;
rtptheorapay->payload_pkts = 0;
}
static void
gst_rtp_theora_pay_init_packet (GstRtpTheoraPay * rtptheorapay, guint8 TDT,
GstClockTime timestamp)
{
GST_DEBUG_OBJECT (rtptheorapay, "starting new packet, TDT: %d", TDT);
if (rtptheorapay->packet)
gst_buffer_unref (rtptheorapay->packet);
/* new packet allocate max packet size */
rtptheorapay->packet =
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gst_rtp_buffer_new_allocate_len (GST_RTP_BASE_PAYLOAD_MTU
(rtptheorapay), 0, 0);
gst_rtp_theora_pay_reset_packet (rtptheorapay, TDT);
GST_BUFFER_TIMESTAMP (rtptheorapay->packet) = timestamp;
}
static GstFlowReturn
gst_rtp_theora_pay_flush_packet (GstRtpTheoraPay * rtptheorapay)
{
GstFlowReturn ret;
guint8 *payload;
guint hlen;
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GstRTPBuffer rtp;
/* check for empty packet */
if (!rtptheorapay->packet || rtptheorapay->payload_pos <= 4)
return GST_FLOW_OK;
GST_DEBUG_OBJECT (rtptheorapay, "flushing packet");
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gst_rtp_buffer_map (rtptheorapay->packet, GST_MAP_WRITE, &rtp);
/* fix header */
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payload = gst_rtp_buffer_get_payload (&rtp);
/*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Ident | F |TDT|# pkts.|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* F: Fragment type (0=none, 1=start, 2=cont, 3=end)
* TDT: Theora data type (0=theora, 1=config, 2=comment, 3=reserved)
* pkts: number of packets.
*/
payload[0] = (rtptheorapay->payload_ident >> 16) & 0xff;
payload[1] = (rtptheorapay->payload_ident >> 8) & 0xff;
payload[2] = (rtptheorapay->payload_ident) & 0xff;
payload[3] = (rtptheorapay->payload_F & 0x3) << 6 |
(rtptheorapay->payload_TDT & 0x3) << 4 |
(rtptheorapay->payload_pkts & 0xf);
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gst_rtp_buffer_unmap (&rtp);
/* shrink the buffer size to the last written byte */
hlen = gst_rtp_buffer_calc_header_len (0);
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gst_buffer_resize (rtptheorapay->packet, 0, hlen + rtptheorapay->payload_pos);
GST_BUFFER_DURATION (rtptheorapay->packet) = rtptheorapay->payload_duration;
/* push, this gives away our ref to the packet, so clear it. */
ret =
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gst_rtp_base_payload_push (GST_RTP_BASE_PAYLOAD (rtptheorapay),
rtptheorapay->packet);
rtptheorapay->packet = NULL;
return ret;
}
static gboolean
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gst_rtp_theora_pay_finish_headers (GstRTPBasePayload * basepayload)
{
GstRtpTheoraPay *rtptheorapay = GST_RTP_THEORA_PAY (basepayload);
GList *walk;
guint length, size, n_headers, configlen, extralen;
gchar *wstr, *hstr, *configuration;
guint8 *data, *config;
guint32 ident;
gst/rtp/gstrtpL16depay.c: Check if clock-rate and channels are valid. Original commit message from CVS: * gst/rtp/gstrtpL16depay.c: (gst_rtp_L16_depay_setcaps), (gst_rtp_L16_depay_process): Check if clock-rate and channels are valid. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpL16pay.c: (gst_rtp_L16_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpac3depay.c: (gst_rtp_ac3_depay_setcaps), (gst_rtp_ac3_depay_process): Don't ignore the return value of set_caps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpamrdepay.c: (gst_rtp_amr_depay_setcaps), (gst_rtp_amr_depay_process): * gst/rtp/gstrtpamrdepay.h: Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set output caps on the buffers, the base class does that for us. The subclass will make sure we are negotiated. * gst/rtp/gstrtpdvdepay.c: (gst_rtp_dv_depay_setcaps), (gst_rtp_dv_depay_process), (gst_rtp_dv_depay_reset): * gst/rtp/gstrtpdvdepay.h: Clean up caps negotiation. The subclass will make sure we are negotiated. * gst/rtp/gstrtpg726depay.c: (gst_rtp_g726_depay_setcaps), (gst_rtp_g726_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpg729depay.c: (gst_rtp_g729_depay_init), (gst_rtp_g729_depay_setcaps), (gst_rtp_g729_depay_process): * gst/rtp/gstrtpg729depay.h: The subclass will make sure we are negotiated. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpgsmdepay.c: (gst_rtp_gsm_depay_setcaps), (gst_rtp_gsm_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_setcaps): Clean up caps negotiation. Don't ignore the return value of set_outcaps. * gst/rtp/gstrtph263depay.c: (gst_rtp_h263_depay_setcaps), (gst_rtp_h263_depay_process): Clean up caps negotiation. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtph263pay.c: (gst_rtp_h263_pay_setcaps), (gst_rtp_h263_pay_flush), (gst_rtp_h263_pay_handle_buffer): * gst/rtp/gstrtph263pay.h: Don't ignore the return value of set_outcaps. Do some more timestamps. * gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_setcaps), (gst_rtp_h263p_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtph263ppay.c: (gst_rtp_h263p_pay_class_init), (gst_rtp_h263p_pay_setcaps), (gst_rtp_h263p_pay_flush), (gst_rtp_h263p_pay_handle_buffer): * gst/rtp/gstrtph263ppay.h: Don't ignore the return value of set_outcaps. Do some more timestamps. * gst/rtp/gstrtph264depay.c: (gst_rtp_h264_depay_setcaps), (gst_rtp_h264_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. Fix possible caps leak. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtph264pay.c: (gst_rtp_h264_pay_setcaps): Add some more debug info. * gst/rtp/gstrtpilbcdepay.c: (gst_rtp_ilbc_depay_setcaps), (gst_rtp_ilbc_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpilbcpay.c: (gst_rtpilbcpay_sink_setcaps): Clean up caps negotiation. * gst/rtp/gstrtpmp1sdepay.c: (gst_rtp_mp1s_depay_setcaps), (gst_rtp_mp1s_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp2tdepay.c: (gst_rtp_mp2t_depay_setcaps), (gst_rtp_mp2t_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp4adepay.c: (gst_rtp_mp4a_depay_setcaps), (gst_rtp_mp4a_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpmp4apay.c: (gst_rtp_mp4a_pay_new_caps), (gst_rtp_mp4a_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_setcaps), (gst_rtp_mp4g_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_finalize), (gst_rtp_mp4g_pay_new_caps), (gst_rtp_mp4g_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_setcaps), (gst_rtp_mp4v_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_new_caps), (gst_rtp_mp4v_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_setcaps), (gst_rtp_mpa_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpmpapay.c: (gst_rtp_mpa_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmpvdepay.c: (gst_rtp_mpv_depay_setcaps), (gst_rtp_mpv_depay_process): Clean up caps negotiation. Actually set output caps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpmpvpay.c: (gst_rtp_mpv_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_setcaps), (gst_rtp_pcma_depay_process): Clean up caps negotiation. Set output buffer duration because we can. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtppcmapay.c: (gst_rtp_pcma_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtppcmudepay.c: (gst_rtp_pcmu_depay_setcaps), (gst_rtp_pcmu_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtppcmupay.c: (gst_rtp_pcmu_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpspeexdepay.c: (gst_rtp_speex_depay_init), (gst_rtp_speex_depay_setcaps), (gst_rtp_speex_depay_process): Clean up caps negotiation. Set output caps on the pad and header buffers. Set duration on output buffers because we can. * gst/rtp/gstrtpspeexpay.c: (gst_rtp_speex_pay_parse_ident): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpsv3vdepay.c: (gst_rtp_sv3v_depay_setcaps), (gst_rtp_sv3v_depay_process): Clean up caps negotiation. No need to validate the buffer, the base class does that for us. No need to set caps out output buffers, subclass does that. * gst/rtp/gstrtptheoradepay.c: (gst_rtp_theora_depay_setcaps), (gst_rtp_theora_depay_process): Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtptheorapay.c: (gst_rtp_theora_pay_class_init), (gst_rtp_theora_pay_flush_packet), (encode_base64), (gst_rtp_theora_pay_finish_headers), (gst_rtp_theora_pay_parse_id), (gst_rtp_theora_pay_handle_buffer): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpvorbisdepay.c: (gst_rtp_vorbis_depay_setcaps), (gst_rtp_vorbis_depay_process): Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpvorbispay.c: (gst_rtp_vorbis_pay_finish_headers): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpvrawdepay.c: (gst_rtp_vraw_depay_setcaps): Clean up caps negotiation, don't ignore setcaps return. * gst/rtp/gstrtpvrawpay.c: (gst_rtp_vraw_pay_setcaps): Don't ignore the return value of set_outcaps.
2008-10-27 11:03:53 +00:00
gboolean res;
GST_DEBUG_OBJECT (rtptheorapay, "finish headers");
if (!rtptheorapay->headers) {
GST_DEBUG_OBJECT (rtptheorapay, "We need 2 headers but have none");
goto no_headers;
}
/* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Number of packed headers |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Packed header |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Packed header |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | .... |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* We only construct a config containing 1 packed header like this:
*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Ident | length ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. | n. of headers | length1 | length2 ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. | Identification Header ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .................................................................
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. | Comment Header ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .................................................................
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. Comment Header |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Setup Header ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .................................................................
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. Setup Header |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
/* we need 4 bytes for the number of headers (which is always 1), 3 bytes for
* the ident, 2 bytes for length, 1 byte for n. of headers. */
size = 4 + 3 + 2 + 1;
/* count the size of the headers first and update the hash */
length = 0;
n_headers = 0;
ident = fnv1_hash_32_new ();
extralen = 1;
for (walk = rtptheorapay->headers; walk; walk = g_list_next (walk)) {
GstBuffer *buf = GST_BUFFER_CAST (walk->data);
guint bsize;
2011-07-10 19:50:19 +00:00
guint8 *data;
gsize size;
2011-07-10 19:50:19 +00:00
bsize = gst_buffer_get_size (buf);
length += bsize;
n_headers++;
/* count number of bytes needed for length fields, we don't need this for
* the last header. */
if (g_list_next (walk)) {
do {
size++;
extralen++;
bsize >>= 7;
} while (bsize);
}
/* update hash */
2011-07-10 19:50:19 +00:00
data = gst_buffer_map (buf, &size, NULL, GST_MAP_READ);
ident = fnv1_hash_32_update (ident, data, size);
gst_buffer_unmap (buf, data, -1);
}
/* packet length is header size + packet length */
configlen = size + length;
config = data = g_malloc (configlen);
/* number of packed headers, we only pack 1 header */
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 1;
ident = fnv1_hash_32_to_24 (ident);
rtptheorapay->payload_ident = ident;
GST_DEBUG_OBJECT (rtptheorapay, "ident 0x%08x", ident);
/* take lower 3 bytes */
data[4] = (ident >> 16) & 0xff;
data[5] = (ident >> 8) & 0xff;
data[6] = ident & 0xff;
/* store length of all theora headers */
data[7] = ((length) >> 8) & 0xff;
data[8] = (length) & 0xff;
/* store number of headers minus one. */
data[9] = n_headers - 1;
data += 10;
/* store length for each header */
for (walk = rtptheorapay->headers; walk; walk = g_list_next (walk)) {
GstBuffer *buf = GST_BUFFER_CAST (walk->data);
guint bsize, size, temp;
guint flag;
/* only need to store the length when it's not the last header */
if (!g_list_next (walk))
break;
2011-07-10 19:50:19 +00:00
bsize = gst_buffer_get_size (buf);
/* calc size */
size = 0;
do {
size++;
bsize >>= 7;
} while (bsize);
temp = size;
2011-07-10 19:50:19 +00:00
bsize = gst_buffer_get_size (buf);
/* write the size backwards */
flag = 0;
while (size) {
size--;
data[size] = (bsize & 0x7f) | flag;
bsize >>= 7;
flag = 0x80;
}
data += temp;
}
/* copy header data */
for (walk = rtptheorapay->headers; walk; walk = g_list_next (walk)) {
GstBuffer *buf = GST_BUFFER_CAST (walk->data);
2011-07-10 19:50:19 +00:00
guint8 *bdata;
gsize bsize;
2011-07-10 19:50:19 +00:00
bdata = gst_buffer_map (buf, &bsize, NULL, GST_MAP_READ);
memcpy (data, bdata, bsize);
gst_buffer_unmap (buf, bdata, -1);
data += bsize;
}
/* serialize to base64 */
configuration = g_base64_encode (config, configlen);
/* store for later re-sending */
rtptheorapay->config_size = configlen - 4 - 3 - 2;
rtptheorapay->config_data = g_malloc (rtptheorapay->config_size);
rtptheorapay->config_extra_len = extralen;
memcpy (rtptheorapay->config_data, config + 4 + 3 + 2,
rtptheorapay->config_size);
g_free (config);
/* configure payloader settings */
wstr = g_strdup_printf ("%d", rtptheorapay->width);
hstr = g_strdup_printf ("%d", rtptheorapay->height);
2011-11-11 11:25:01 +00:00
gst_rtp_base_payload_set_options (basepayload, "video", TRUE, "THEORA",
2011-11-10 16:23:47 +00:00
90000);
res =
2011-11-11 11:25:01 +00:00
gst_rtp_base_payload_set_outcaps (basepayload, "sampling", G_TYPE_STRING,
2011-11-10 16:23:47 +00:00
"YCbCr-4:2:0", "width", G_TYPE_STRING, wstr, "height", G_TYPE_STRING,
hstr, "configuration", G_TYPE_STRING, configuration, "delivery-method",
G_TYPE_STRING, "inline",
/* don't set the other defaults
*/
NULL);
g_free (wstr);
g_free (hstr);
g_free (configuration);
gst/rtp/gstrtpL16depay.c: Check if clock-rate and channels are valid. Original commit message from CVS: * gst/rtp/gstrtpL16depay.c: (gst_rtp_L16_depay_setcaps), (gst_rtp_L16_depay_process): Check if clock-rate and channels are valid. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpL16pay.c: (gst_rtp_L16_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpac3depay.c: (gst_rtp_ac3_depay_setcaps), (gst_rtp_ac3_depay_process): Don't ignore the return value of set_caps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpamrdepay.c: (gst_rtp_amr_depay_setcaps), (gst_rtp_amr_depay_process): * gst/rtp/gstrtpamrdepay.h: Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set output caps on the buffers, the base class does that for us. The subclass will make sure we are negotiated. * gst/rtp/gstrtpdvdepay.c: (gst_rtp_dv_depay_setcaps), (gst_rtp_dv_depay_process), (gst_rtp_dv_depay_reset): * gst/rtp/gstrtpdvdepay.h: Clean up caps negotiation. The subclass will make sure we are negotiated. * gst/rtp/gstrtpg726depay.c: (gst_rtp_g726_depay_setcaps), (gst_rtp_g726_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpg729depay.c: (gst_rtp_g729_depay_init), (gst_rtp_g729_depay_setcaps), (gst_rtp_g729_depay_process): * gst/rtp/gstrtpg729depay.h: The subclass will make sure we are negotiated. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpgsmdepay.c: (gst_rtp_gsm_depay_setcaps), (gst_rtp_gsm_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_setcaps): Clean up caps negotiation. Don't ignore the return value of set_outcaps. * gst/rtp/gstrtph263depay.c: (gst_rtp_h263_depay_setcaps), (gst_rtp_h263_depay_process): Clean up caps negotiation. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtph263pay.c: (gst_rtp_h263_pay_setcaps), (gst_rtp_h263_pay_flush), (gst_rtp_h263_pay_handle_buffer): * gst/rtp/gstrtph263pay.h: Don't ignore the return value of set_outcaps. Do some more timestamps. * gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_setcaps), (gst_rtp_h263p_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtph263ppay.c: (gst_rtp_h263p_pay_class_init), (gst_rtp_h263p_pay_setcaps), (gst_rtp_h263p_pay_flush), (gst_rtp_h263p_pay_handle_buffer): * gst/rtp/gstrtph263ppay.h: Don't ignore the return value of set_outcaps. Do some more timestamps. * gst/rtp/gstrtph264depay.c: (gst_rtp_h264_depay_setcaps), (gst_rtp_h264_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. Fix possible caps leak. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtph264pay.c: (gst_rtp_h264_pay_setcaps): Add some more debug info. * gst/rtp/gstrtpilbcdepay.c: (gst_rtp_ilbc_depay_setcaps), (gst_rtp_ilbc_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpilbcpay.c: (gst_rtpilbcpay_sink_setcaps): Clean up caps negotiation. * gst/rtp/gstrtpmp1sdepay.c: (gst_rtp_mp1s_depay_setcaps), (gst_rtp_mp1s_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp2tdepay.c: (gst_rtp_mp2t_depay_setcaps), (gst_rtp_mp2t_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp4adepay.c: (gst_rtp_mp4a_depay_setcaps), (gst_rtp_mp4a_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpmp4apay.c: (gst_rtp_mp4a_pay_new_caps), (gst_rtp_mp4a_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_setcaps), (gst_rtp_mp4g_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_finalize), (gst_rtp_mp4g_pay_new_caps), (gst_rtp_mp4g_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_setcaps), (gst_rtp_mp4v_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. No need to set caps on buffers, subclass does that for us. * gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_new_caps), (gst_rtp_mp4v_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_setcaps), (gst_rtp_mpa_depay_process): Clean up caps negotiation. Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtpmpapay.c: (gst_rtp_mpa_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpmpvdepay.c: (gst_rtp_mpv_depay_setcaps), (gst_rtp_mpv_depay_process): Clean up caps negotiation. Actually set output caps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpmpvpay.c: (gst_rtp_mpv_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_setcaps), (gst_rtp_pcma_depay_process): Clean up caps negotiation. Set output buffer duration because we can. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtppcmapay.c: (gst_rtp_pcma_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtppcmudepay.c: (gst_rtp_pcmu_depay_setcaps), (gst_rtp_pcmu_depay_process): Clean up caps negotiation. Use the marker bit to set the DISCONT flag on outgoing buffers. * gst/rtp/gstrtppcmupay.c: (gst_rtp_pcmu_pay_setcaps): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpspeexdepay.c: (gst_rtp_speex_depay_init), (gst_rtp_speex_depay_setcaps), (gst_rtp_speex_depay_process): Clean up caps negotiation. Set output caps on the pad and header buffers. Set duration on output buffers because we can. * gst/rtp/gstrtpspeexpay.c: (gst_rtp_speex_pay_parse_ident): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpsv3vdepay.c: (gst_rtp_sv3v_depay_setcaps), (gst_rtp_sv3v_depay_process): Clean up caps negotiation. No need to validate the buffer, the base class does that for us. No need to set caps out output buffers, subclass does that. * gst/rtp/gstrtptheoradepay.c: (gst_rtp_theora_depay_setcaps), (gst_rtp_theora_depay_process): Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtptheorapay.c: (gst_rtp_theora_pay_class_init), (gst_rtp_theora_pay_flush_packet), (encode_base64), (gst_rtp_theora_pay_finish_headers), (gst_rtp_theora_pay_parse_id), (gst_rtp_theora_pay_handle_buffer): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpvorbisdepay.c: (gst_rtp_vorbis_depay_setcaps), (gst_rtp_vorbis_depay_process): Don't ignore the return value of setcaps. No need to validate the buffer, the base class does that for us. * gst/rtp/gstrtpvorbispay.c: (gst_rtp_vorbis_pay_finish_headers): Don't ignore the return value of set_outcaps. * gst/rtp/gstrtpvrawdepay.c: (gst_rtp_vraw_depay_setcaps): Clean up caps negotiation, don't ignore setcaps return. * gst/rtp/gstrtpvrawpay.c: (gst_rtp_vraw_pay_setcaps): Don't ignore the return value of set_outcaps.
2008-10-27 11:03:53 +00:00
return res;
/* ERRORS */
no_headers:
{
GST_DEBUG_OBJECT (rtptheorapay, "finish headers");
return FALSE;
}
}
static gboolean
2011-11-11 11:25:01 +00:00
gst_rtp_theora_pay_parse_id (GstRTPBasePayload * basepayload, guint8 * data,
guint size)
{
GstRtpTheoraPay *rtptheorapay;
gint width, height;
rtptheorapay = GST_RTP_THEORA_PAY (basepayload);
if (G_UNLIKELY (size < 42))
goto too_short;
if (G_UNLIKELY (memcmp (data, "\200theora", 7)))
goto invalid_start;
data += 7;
if (G_UNLIKELY (data[0] != 3))
goto invalid_version;
if (G_UNLIKELY (data[1] != 2))
goto invalid_version;
data += 3;
width = GST_READ_UINT16_BE (data) << 4;
data += 2;
height = GST_READ_UINT16_BE (data) << 4;
data += 2;
/* FIXME, parse pixel format */
/* store values */
rtptheorapay->width = width;
rtptheorapay->height = height;
return TRUE;
/* ERRORS */
too_short:
{
GST_ELEMENT_ERROR (basepayload, STREAM, DECODE,
(NULL),
("Identification packet is too short, need at least 42, got %d", size));
return FALSE;
}
invalid_start:
{
GST_ELEMENT_ERROR (basepayload, STREAM, DECODE,
(NULL), ("Invalid header start in identification packet"));
return FALSE;
}
invalid_version:
{
GST_ELEMENT_ERROR (basepayload, STREAM, DECODE,
(NULL), ("Invalid version"));
return FALSE;
}
}
static GstFlowReturn
gst_rtp_theora_pay_payload_buffer (GstRtpTheoraPay * rtptheorapay, guint8 TDT,
guint8 * data, guint size, GstClockTime timestamp, GstClockTime duration,
guint not_in_length)
{
GstFlowReturn ret = GST_FLOW_OK;
guint newsize;
guint packet_len;
GstClockTime newduration;
gboolean flush;
guint plen;
guint8 *ppos, *payload;
gboolean fragmented;
2011-07-10 19:50:19 +00:00
GstRTPBuffer rtp;
/* size increases with packet length and 2 bytes size eader. */
newduration = rtptheorapay->payload_duration;
if (duration != GST_CLOCK_TIME_NONE)
newduration += duration;
newsize = rtptheorapay->payload_pos + 2 + size;
packet_len = gst_rtp_buffer_calc_packet_len (newsize, 0, 0);
/* check buffer filled against length and max latency */
2011-11-11 11:25:01 +00:00
flush = gst_rtp_base_payload_is_filled (GST_RTP_BASE_PAYLOAD (rtptheorapay),
packet_len, newduration);
/* we can store up to 15 theora packets in one RTP packet. */
flush |= (rtptheorapay->payload_pkts == 15);
/* flush if we have a new TDT */
if (rtptheorapay->packet)
flush |= (rtptheorapay->payload_TDT != TDT);
if (flush)
ret = gst_rtp_theora_pay_flush_packet (rtptheorapay);
/* create new packet if we must */
if (!rtptheorapay->packet) {
gst_rtp_theora_pay_init_packet (rtptheorapay, TDT, timestamp);
}
2011-07-10 19:50:19 +00:00
gst_rtp_buffer_map (rtptheorapay->packet, GST_MAP_WRITE, &rtp);
payload = gst_rtp_buffer_get_payload (&rtp);
ppos = payload + rtptheorapay->payload_pos;
fragmented = FALSE;
/* put buffer in packet, it either fits completely or needs to be fragmented
* over multiple RTP packets. */
do {
plen = MIN (rtptheorapay->payload_left - 2, size);
GST_DEBUG_OBJECT (rtptheorapay, "append %u bytes", plen);
/* data is copied in the payload with a 2 byte length header */
ppos[0] = ((plen - not_in_length) >> 8) & 0xff;
ppos[1] = ((plen - not_in_length) & 0xff);
if (plen)
memcpy (&ppos[2], data, plen);
/* only first (only) configuration cuts length field */
/* NOTE: spec (if any) is not clear on this ... */
not_in_length = 0;
size -= plen;
data += plen;
rtptheorapay->payload_pos += plen + 2;
rtptheorapay->payload_left -= plen + 2;
if (fragmented) {
if (size == 0)
/* last fragment, set F to 0x3. */
rtptheorapay->payload_F = 0x3;
else
/* fragment continues, set F to 0x2. */
rtptheorapay->payload_F = 0x2;
} else {
if (size > 0) {
/* fragmented packet starts, set F to 0x1, mark ourselves as
* fragmented. */
rtptheorapay->payload_F = 0x1;
fragmented = TRUE;
}
}
if (fragmented) {
/* fragmented packets are always flushed and have ptks of 0 */
rtptheorapay->payload_pkts = 0;
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gst_rtp_buffer_unmap (&rtp);
ret = gst_rtp_theora_pay_flush_packet (rtptheorapay);
if (size > 0) {
/* start new packet and get pointers. TDT stays the same. */
gst_rtp_theora_pay_init_packet (rtptheorapay,
rtptheorapay->payload_TDT, timestamp);
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gst_rtp_buffer_map (rtptheorapay->packet, GST_MAP_WRITE, &rtp);
payload = gst_rtp_buffer_get_payload (&rtp);
ppos = payload + rtptheorapay->payload_pos;
}
} else {
/* unfragmented packet, update stats for next packet, size == 0 and we
* exit the while loop */
rtptheorapay->payload_pkts++;
if (duration != GST_CLOCK_TIME_NONE)
rtptheorapay->payload_duration += duration;
}
} while (size);
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if (rtp.buffer)
gst_rtp_buffer_unmap (&rtp);
return ret;
}
static GstFlowReturn
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gst_rtp_theora_pay_handle_buffer (GstRTPBasePayload * basepayload,
GstBuffer * buffer)
{
GstRtpTheoraPay *rtptheorapay;
GstFlowReturn ret;
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gsize size;
guint8 *data;
GstClockTime duration, timestamp;
guint8 TDT;
gboolean keyframe = FALSE;
rtptheorapay = GST_RTP_THEORA_PAY (basepayload);
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data = gst_buffer_map (buffer, &size, NULL, GST_MAP_READ);
duration = GST_BUFFER_DURATION (buffer);
timestamp = GST_BUFFER_TIMESTAMP (buffer);
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GST_DEBUG_OBJECT (rtptheorapay, "size %" G_GSIZE_FORMAT
", duration %" GST_TIME_FORMAT, size, GST_TIME_ARGS (duration));
if (G_UNLIKELY (size > 0xffff))
goto wrong_size;
/* find packet type */
if (size == 0) {
TDT = 0;
keyframe = FALSE;
} else if (data[0] & 0x80) {
/* header */
if (data[0] == 0x80) {
/* identification, we need to parse this in order to get the clock rate.
*/
if (G_UNLIKELY (!gst_rtp_theora_pay_parse_id (basepayload, data, size)))
goto parse_id_failed;
TDT = 1;
} else if (data[0] == 0x81) {
/* comment */
TDT = 2;
} else if (data[0] == 0x82) {
/* setup */
TDT = 1;
} else
goto unknown_header;
} else {
/* data */
TDT = 0;
keyframe = ((data[0] & 0x40) == 0);
}
if (rtptheorapay->need_headers) {
/* we need to collect the headers and construct a config string from them */
if (TDT != 0) {
GST_DEBUG_OBJECT (rtptheorapay, "collecting header, buffer %p", buffer);
/* append header to the list of headers */
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gst_buffer_unmap (buffer, data, -1);
rtptheorapay->headers = g_list_append (rtptheorapay->headers, buffer);
ret = GST_FLOW_OK;
goto done;
} else {
if (!gst_rtp_theora_pay_finish_headers (basepayload))
goto header_error;
rtptheorapay->need_headers = FALSE;
}
}
/* there is a config request, see if we need to insert it */
if (keyframe && (rtptheorapay->config_interval > 0) &&
rtptheorapay->config_data) {
gboolean send_config = FALSE;
if (rtptheorapay->last_config != -1) {
guint64 diff;
GST_LOG_OBJECT (rtptheorapay,
"now %" GST_TIME_FORMAT ", last VOP-I %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp), GST_TIME_ARGS (rtptheorapay->last_config));
/* calculate diff between last config in milliseconds */
if (timestamp > rtptheorapay->last_config) {
diff = timestamp - rtptheorapay->last_config;
} else {
diff = 0;
}
GST_DEBUG_OBJECT (rtptheorapay,
"interval since last config %" GST_TIME_FORMAT, GST_TIME_ARGS (diff));
/* bigger than interval, queue config */
/* FIXME should convert timestamps to running time */
if (GST_TIME_AS_SECONDS (diff) >= rtptheorapay->config_interval) {
GST_DEBUG_OBJECT (rtptheorapay, "time to send config");
send_config = TRUE;
}
} else {
/* no known previous config time, send now */
GST_DEBUG_OBJECT (rtptheorapay, "no previous config time, send now");
send_config = TRUE;
}
if (send_config) {
/* we need to send config now first */
/* different TDT type forces flush */
gst_rtp_theora_pay_payload_buffer (rtptheorapay, 1,
rtptheorapay->config_data, rtptheorapay->config_size,
timestamp, GST_CLOCK_TIME_NONE, rtptheorapay->config_extra_len);
if (timestamp != -1) {
rtptheorapay->last_config = timestamp;
}
}
}
ret = gst_rtp_theora_pay_payload_buffer (rtptheorapay, TDT, data, size,
timestamp, duration, 0);
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gst_buffer_unmap (buffer, data, -1);
gst_buffer_unref (buffer);
done:
return ret;
/* ERRORS */
wrong_size:
{
GST_ELEMENT_WARNING (rtptheorapay, STREAM, DECODE,
("Invalid packet size (%d <= 0xffff)", size), (NULL));
2011-07-10 19:50:19 +00:00
gst_buffer_unmap (buffer, data, -1);
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
parse_id_failed:
{
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gst_buffer_unmap (buffer, data, -1);
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
}
unknown_header:
{
GST_ELEMENT_WARNING (rtptheorapay, STREAM, DECODE,
(NULL), ("Ignoring unknown header received"));
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gst_buffer_unmap (buffer, data, -1);
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
header_error:
{
GST_ELEMENT_WARNING (rtptheorapay, STREAM, DECODE,
(NULL), ("Error initializing header config"));
2011-07-10 19:50:19 +00:00
gst_buffer_unmap (buffer, data, -1);
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
}
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static gboolean
gst_rtp_theora_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
2010-12-21 12:55:40 +00:00
{
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GstRtpTheoraPay *rtptheorapay = GST_RTP_THEORA_PAY (payload);
2010-12-21 12:55:40 +00:00
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
gst_rtp_theora_pay_clear_packet (rtptheorapay);
break;
default:
break;
}
/* false to let parent handle event as well */
return GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload, event);
2010-12-21 12:55:40 +00:00
}
static GstStateChangeReturn
gst_rtp_theora_pay_change_state (GstElement * element,
GstStateChange transition)
{
GstRtpTheoraPay *rtptheorapay;
GstStateChangeReturn ret;
rtptheorapay = GST_RTP_THEORA_PAY (element);
switch (transition) {
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_rtp_theora_pay_cleanup (rtptheorapay);
break;
default:
break;
}
return ret;
}
static void
gst_rtp_theora_pay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpTheoraPay *rtptheorapay;
rtptheorapay = GST_RTP_THEORA_PAY (object);
switch (prop_id) {
case PROP_CONFIG_INTERVAL:
rtptheorapay->config_interval = g_value_get_uint (value);
break;
default:
break;
}
}
static void
gst_rtp_theora_pay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRtpTheoraPay *rtptheorapay;
rtptheorapay = GST_RTP_THEORA_PAY (object);
switch (prop_id) {
case PROP_CONFIG_INTERVAL:
g_value_set_uint (value, rtptheorapay->config_interval);
break;
default:
break;
}
}
gboolean
gst_rtp_theora_pay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtptheorapay",
GST_RANK_SECONDARY, GST_TYPE_RTP_THEORA_PAY);
}