gstreamer/gst/rtp/gstrtpvorbisdepay.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 <gst/tag/tag.h>
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpvorbisdepay.h"
GST_DEBUG_CATEGORY_STATIC (rtpvorbisdepay_debug);
#define GST_CAT_DEFAULT (rtpvorbisdepay_debug)
/* references:
* http://www.rfc-editor.org/rfc/rfc5215.txt
*/
static GstStaticPadTemplate gst_rtp_vorbis_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) [1, MAX ], " "encoding-name = (string) \"VORBIS\""
/* All required parameters
*
* "encoding-params = (string) <num channels>"
* "configuration = (string) ANY"
*/
)
);
static GstStaticPadTemplate gst_rtp_vorbis_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-vorbis")
);
GST_BOILERPLATE (GstRtpVorbisDepay, gst_rtp_vorbis_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static gboolean gst_rtp_vorbis_depay_setcaps (GstBaseRTPDepayload * depayload,
GstCaps * caps);
static GstBuffer *gst_rtp_vorbis_depay_process (GstBaseRTPDepayload * depayload,
GstBuffer * buf);
static void gst_rtp_vorbis_depay_finalize (GObject * object);
static GstStateChangeReturn gst_rtp_vorbis_depay_change_state (GstElement *
element, GstStateChange transition);
static void
gst_rtp_vorbis_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_vorbis_depay_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_vorbis_depay_src_template));
gst_element_class_set_details_simple (element_class, "RTP Vorbis depayloader",
"Codec/Depayloader/Network",
"Extracts Vorbis Audio from RTP packets (RFC 5215)",
"Wim Taymans <wim.taymans@gmail.com>");
}
static void
gst_rtp_vorbis_depay_class_init (GstRtpVorbisDepayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
gobject_class->finalize = gst_rtp_vorbis_depay_finalize;
gstelement_class->change_state = gst_rtp_vorbis_depay_change_state;
gstbasertpdepayload_class->process = gst_rtp_vorbis_depay_process;
gstbasertpdepayload_class->set_caps = gst_rtp_vorbis_depay_setcaps;
GST_DEBUG_CATEGORY_INIT (rtpvorbisdepay_debug, "rtpvorbisdepay", 0,
"Vorbis RTP Depayloader");
}
static void
gst_rtp_vorbis_depay_init (GstRtpVorbisDepay * rtpvorbisdepay,
GstRtpVorbisDepayClass * klass)
{
rtpvorbisdepay->adapter = gst_adapter_new ();
}
static void
free_config (GstRtpVorbisConfig * conf)
{
GList *headers;
for (headers = conf->headers; headers; headers = g_list_next (headers)) {
GstBuffer *header = GST_BUFFER_CAST (headers->data);
gst_buffer_unref (header);
}
g_list_free (conf->headers);
g_free (conf);
}
static void
free_indents (GstRtpVorbisDepay * rtpvorbisdepay)
{
GList *walk;
for (walk = rtpvorbisdepay->configs; walk; walk = g_list_next (walk)) {
free_config ((GstRtpVorbisConfig *) walk->data);
}
g_list_free (rtpvorbisdepay->configs);
rtpvorbisdepay->configs = NULL;
}
static void
gst_rtp_vorbis_depay_finalize (GObject * object)
{
GstRtpVorbisDepay *rtpvorbisdepay = GST_RTP_VORBIS_DEPAY (object);
g_object_unref (rtpvorbisdepay->adapter);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_rtp_vorbis_depay_parse_configuration (GstRtpVorbisDepay * rtpvorbisdepay,
const gchar * configuration)
{
GstBuffer *buf;
guint32 num_headers;
guint8 *data;
GstBuffer *confbuf;
gsize size;
guint offset;
gint i, j;
/* deserialize base64 to buffer */
data = g_base64_decode (configuration, &size);
confbuf = gst_buffer_new ();
GST_BUFFER_DATA (confbuf) = data;
GST_BUFFER_MALLOCDATA (confbuf) = data;
GST_BUFFER_SIZE (confbuf) = size;
2009-03-10 09:16:27 +00:00
GST_DEBUG_OBJECT (rtpvorbisdepay, "config size %" G_GSIZE_FORMAT, size);
/* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Number of packed headers |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Packed header |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Packed header |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | .... |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
if (size < 4)
goto too_small;
num_headers = GST_READ_UINT32_BE (data);
size -= 4;
data += 4;
offset = 4;
GST_DEBUG_OBJECT (rtpvorbisdepay, "have %u headers", num_headers);
/* 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 |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
for (i = 0; i < num_headers; i++) {
guint32 ident;
guint16 length;
guint8 n_headers, b;
GstRtpVorbisConfig *conf;
guint *h_sizes;
if (size < 6)
goto too_small;
ident = (data[0] << 16) | (data[1] << 8) | data[2];
length = (data[3] << 8) | data[4];
n_headers = data[5];
size -= 6;
data += 6;
offset += 6;
GST_DEBUG_OBJECT (rtpvorbisdepay,
2009-03-10 09:16:27 +00:00
"header %d, ident 0x%08x, length %u, left %" G_GSIZE_FORMAT, i, ident,
length, size);
if (size < length)
goto too_small;
/* read header sizes we read 2 sizes, the third size (for which we allocate
* space) must be derived from the total packed header length. */
h_sizes = g_newa (guint, n_headers + 1);
for (j = 0; j < n_headers; j++) {
guint h_size;
h_size = 0;
do {
if (size < 1)
goto too_small;
b = *data++;
offset++;
size--;
h_size = (h_size << 7) | (b & 0x7f);
} while (b & 0x80);
GST_DEBUG_OBJECT (rtpvorbisdepay, "headers %d: size: %u", j, h_size);
if (length < h_size)
goto too_small;
h_sizes[j] = h_size;
length -= h_size;
}
/* last header length is the remaining space */
GST_DEBUG_OBJECT (rtpvorbisdepay, "last header size: %u", length);
h_sizes[j] = length;
GST_DEBUG_OBJECT (rtpvorbisdepay, "preparing headers");
conf = g_new0 (GstRtpVorbisConfig, 1);
conf->ident = ident;
for (j = 0; j <= n_headers; j++) {
guint h_size;
h_size = h_sizes[j];
if (size < h_size) {
free_config (conf);
goto too_small;
}
GST_DEBUG_OBJECT (rtpvorbisdepay, "reading header %d, size %u", j,
h_size);
buf = gst_buffer_create_sub (confbuf, offset, h_size);
conf->headers = g_list_append (conf->headers, buf);
offset += h_size;
size -= h_size;
}
rtpvorbisdepay->configs = g_list_append (rtpvorbisdepay->configs, conf);
}
gst_buffer_unref (confbuf);
return TRUE;
/* ERRORS */
too_small:
{
GST_DEBUG_OBJECT (rtpvorbisdepay, "configuration too small");
gst_buffer_unref (confbuf);
return FALSE;
}
}
static gboolean
gst_rtp_vorbis_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
{
GstStructure *structure;
GstRtpVorbisDepay *rtpvorbisdepay;
GstCaps *srccaps;
const gchar *configuration;
gint clock_rate;
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;
rtpvorbisdepay = GST_RTP_VORBIS_DEPAY (depayload);
structure = gst_caps_get_structure (caps, 0);
/* get clockrate */
if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
goto no_rate;
/* read and parse configuration string */
configuration = gst_structure_get_string (structure, "configuration");
if (configuration) {
if (!gst_rtp_vorbis_depay_parse_configuration (rtpvorbisdepay,
configuration))
goto invalid_configuration;
} else {
GST_WARNING_OBJECT (rtpvorbisdepay, "no configuration specified");
}
/* caps seem good, configure element */
depayload->clock_rate = clock_rate;
/* set caps on pad and on header */
srccaps = gst_caps_new_simple ("audio/x-vorbis", NULL);
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
res = gst_pad_set_caps (depayload->srcpad, srccaps);
gst_caps_unref (srccaps);
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 */
invalid_configuration:
{
GST_ERROR_OBJECT (rtpvorbisdepay, "invalid configuration specified");
return FALSE;
}
no_rate:
{
GST_ERROR_OBJECT (rtpvorbisdepay, "no clock-rate specified");
return FALSE;
}
}
static gboolean
gst_rtp_vorbis_depay_switch_codebook (GstRtpVorbisDepay * rtpvorbisdepay,
guint32 ident)
{
GList *walk;
gboolean res = FALSE;
GST_DEBUG_OBJECT (rtpvorbisdepay, "Looking up code book ident 0x%08x", ident);
for (walk = rtpvorbisdepay->configs; walk; walk = g_list_next (walk)) {
GstRtpVorbisConfig *conf = (GstRtpVorbisConfig *) walk->data;
if (conf->ident == ident) {
GList *headers;
/* FIXME, remove pads, create new pad.. */
/* push out all the headers */
for (headers = conf->headers; headers; headers = g_list_next (headers)) {
GstBuffer *header = GST_BUFFER_CAST (headers->data);
gst_buffer_ref (header);
gst_base_rtp_depayload_push (GST_BASE_RTP_DEPAYLOAD (rtpvorbisdepay),
header);
}
/* remember the current config */
rtpvorbisdepay->config = conf;
res = TRUE;
}
}
if (!res) {
/* we don't know about the headers, figure out an alternative method for
* getting the codebooks. FIXME, fail for now. */
}
return res;
}
static GstBuffer *
gst_rtp_vorbis_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstRtpVorbisDepay *rtpvorbisdepay;
GstBuffer *outbuf;
GstFlowReturn ret;
gint payload_len;
guint8 *payload, *to_free = NULL;
guint32 timestamp;
guint32 header, ident;
guint8 F, VDT, packets;
rtpvorbisdepay = GST_RTP_VORBIS_DEPAY (depayload);
payload_len = gst_rtp_buffer_get_payload_len (buf);
GST_DEBUG_OBJECT (depayload, "got RTP packet of size %d", payload_len);
/* we need at least 4 bytes for the packet header */
if (G_UNLIKELY (payload_len < 4))
goto packet_short;
payload = gst_rtp_buffer_get_payload (buf);
header = GST_READ_UINT32_BE (payload);
/*
* 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 |VDT|# pkts.|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* F: Fragment type (0=none, 1=start, 2=cont, 3=end)
* VDT: Vorbis data type (0=vorbis, 1=config, 2=comment, 3=reserved)
* pkts: number of packets.
*/
VDT = (header & 0x30) >> 4;
if (G_UNLIKELY (VDT == 3))
goto ignore_reserved;
GST_DEBUG_OBJECT (depayload, "header: 0x%08x", header);
ident = (header >> 8) & 0xffffff;
F = (header & 0xc0) >> 6;
packets = (header & 0xf);
if (VDT == 0) {
gboolean do_switch = FALSE;
/* we have a raw payload, find the codebook for the ident */
if (!rtpvorbisdepay->config) {
/* we don't have an active codebook, find the codebook and
* activate it */
GST_DEBUG_OBJECT (rtpvorbisdepay, "No active codebook, switching");
do_switch = TRUE;
} else if (rtpvorbisdepay->config->ident != ident) {
/* codebook changed */
GST_DEBUG_OBJECT (rtpvorbisdepay, "codebook changed, switching");
do_switch = TRUE;
}
if (do_switch) {
if (!gst_rtp_vorbis_depay_switch_codebook (rtpvorbisdepay, ident))
goto switch_failed;
}
}
/* skip header */
payload += 4;
payload_len -= 4;
GST_DEBUG_OBJECT (depayload, "ident: %u, F: %d, VDT: %d, packets: %d", ident,
F, VDT, packets);
/* fragmented packets, assemble */
if (F != 0) {
GstBuffer *vdata;
guint headerskip;
if (F == 1) {
/* if we start a packet, clear adapter and start assembling. */
gst_adapter_clear (rtpvorbisdepay->adapter);
GST_DEBUG_OBJECT (depayload, "start assemble");
rtpvorbisdepay->assembling = TRUE;
}
if (!rtpvorbisdepay->assembling)
goto no_output;
/* first assembled packet, reuse 2 bytes to store the length */
headerskip = (F == 1 ? 4 : 6);
/* skip header and length. */
vdata = gst_rtp_buffer_get_payload_subbuffer (buf, headerskip, -1);
GST_DEBUG_OBJECT (depayload, "assemble vorbis packet");
gst_adapter_push (rtpvorbisdepay->adapter, vdata);
/* packet is not complete, we are done */
if (F != 3)
goto no_output;
/* construct assembled buffer */
payload_len = gst_adapter_available (rtpvorbisdepay->adapter);
payload = gst_adapter_take (rtpvorbisdepay->adapter, payload_len);
/* fix the length */
payload[0] = ((payload_len - 2) >> 8) & 0xff;
payload[1] = (payload_len - 2) & 0xff;
to_free = payload;
}
GST_DEBUG_OBJECT (depayload, "assemble done");
/* we not assembling anymore now */
rtpvorbisdepay->assembling = FALSE;
gst_adapter_clear (rtpvorbisdepay->adapter);
/* payload now points to a length with that many vorbis data bytes.
* Iterate over the packets and send them out.
*
* 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
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | length | vorbis data ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. vorbis data |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | length | next vorbis packet data ..
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* .. vorbis data |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*
*/
timestamp = gst_rtp_buffer_get_timestamp (buf);
while (payload_len > 2) {
guint16 length;
length = GST_READ_UINT16_BE (payload);
payload += 2;
payload_len -= 2;
GST_DEBUG_OBJECT (depayload, "read length %u, avail: %d", length,
payload_len);
/* skip packet if something odd happens */
if (G_UNLIKELY (length > payload_len))
goto length_short;
/* create buffer for packet */
if (G_UNLIKELY (to_free)) {
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = payload;
GST_BUFFER_MALLOCDATA (outbuf) = to_free;
GST_BUFFER_SIZE (outbuf) = length;
to_free = NULL;
} else {
outbuf = gst_buffer_new_and_alloc (length);
memcpy (GST_BUFFER_DATA (outbuf), payload, length);
}
payload += length;
payload_len -= length;
if (timestamp != -1)
/* push with timestamp of the last packet, which is the same timestamp that
* should apply to the first assembled packet. */
ret = gst_base_rtp_depayload_push_ts (depayload, timestamp, outbuf);
else
ret = gst_base_rtp_depayload_push (depayload, outbuf);
if (ret != GST_FLOW_OK)
break;
/* make sure we don't set a timestamp on next buffers */
timestamp = -1;
}
g_free (to_free);
return NULL;
no_output:
{
return NULL;
}
/* ERORRS */
switch_failed:
{
GST_ELEMENT_WARNING (rtpvorbisdepay, STREAM, DECODE,
(NULL), ("Could not switch codebooks"));
return NULL;
}
packet_short:
{
GST_ELEMENT_WARNING (rtpvorbisdepay, STREAM, DECODE,
(NULL), ("Packet was too short (%d < 4)", payload_len));
return NULL;
}
ignore_reserved:
{
GST_WARNING_OBJECT (rtpvorbisdepay, "reserved VDT ignored");
return NULL;
}
length_short:
{
GST_ELEMENT_WARNING (rtpvorbisdepay, STREAM, DECODE,
(NULL), ("Packet contains invalid data"));
return NULL;
}
}
static GstStateChangeReturn
gst_rtp_vorbis_depay_change_state (GstElement * element,
GstStateChange transition)
{
GstRtpVorbisDepay *rtpvorbisdepay;
GstStateChangeReturn ret;
rtpvorbisdepay = GST_RTP_VORBIS_DEPAY (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
free_indents (rtpvorbisdepay);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
gboolean
gst_rtp_vorbis_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpvorbisdepay",
GST_RANK_MARGINAL, GST_TYPE_RTP_VORBIS_DEPAY);
}