static gboolean
gst_dv_pay_negotiate (GstRTPDVPay * rtpdvpay, guint8 * data, guint size)
{
const gchar *encode, *media;
gboolean audio_bundled, res;
if ((data[3] & 0x80) == 0) { /* DSF flag */
/* it's an NTSC format */
if ((data[80 * 5 + 48 + 3] & 0x4) && (data[80 * 5 + 48] == 0x60)) { /* 4:2:2 sampling */
/* NTSC 50Mbps */
encode = "314M-25/525-60";
} else { /* 4:1:1 sampling */
/* NTSC 25Mbps */
encode = "SD-VCR/525-60";
}
} else {
/* it's a PAL format */
if ((data[80 * 5 + 48 + 3] & 0x4) && (data[80 * 5 + 48] == 0x60)) { /* 4:2:2 sampling */
/* PAL 50Mbps */
encode = "314M-50/625-50";
} else if ((data[5] & 0x07) == 0) { /* APT flag */
/* PAL 25Mbps 4:2:0 */
encode = "SD-VCR/625-50";
} else
/* PAL 25Mbps 4:1:1 */
encode = "314M-25/625-50";
}
media = "video";
audio_bundled = FALSE;
switch (rtpdvpay->mode) {
case GST_DV_PAY_MODE_AUDIO:
media = "audio";
break;
case GST_DV_PAY_MODE_BUNDLED:
audio_bundled = TRUE;
break;
default:
break;
}
gst_basertppayload_set_options (GST_BASE_RTP_PAYLOAD (rtpdvpay), media, TRUE,
"DV", 90000);
if (audio_bundled) {
res = gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpdvpay),
"encode", G_TYPE_STRING, encode,
"audio", G_TYPE_STRING, "bundled", NULL);
} else {
res = gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpdvpay),
"encode", G_TYPE_STRING, encode, NULL);
}
return res;
}
static gboolean
gst_rtp_h263p_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
gboolean res;
GstCaps *peercaps;
gchar *encoding_name = NULL;
g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
peercaps = gst_pad_peer_get_caps (GST_BASE_RTP_PAYLOAD_SRCPAD (payload));
if (peercaps) {
GstCaps *intersect = gst_caps_intersect (peercaps,
gst_pad_get_pad_template_caps (GST_BASE_RTP_PAYLOAD_SRCPAD (payload)));
gst_caps_unref (peercaps);
if (!gst_caps_is_empty (intersect)) {
GstStructure *s = gst_caps_get_structure (intersect, 0);
encoding_name = g_strdup (gst_structure_get_string (s, "encoding-name"));
}
gst_caps_unref (intersect);
}
if (!encoding_name)
encoding_name = g_strdup ("H263-1998");
gst_basertppayload_set_options (payload, "video", TRUE,
(gchar *) encoding_name, 90000);
res = gst_basertppayload_set_outcaps (payload, NULL);
g_free (encoding_name);
return res;
}
static gboolean
gst_rtp_gsm_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
const char *stname;
GstStructure *structure;
gboolean res;
structure = gst_caps_get_structure (caps, 0);
stname = gst_structure_get_name (structure);
if (strcmp ("audio/x-gsm", stname))
goto invalid_type;
gst_basertppayload_set_options (payload, "audio", FALSE, "GSM", 8000);
res = gst_basertppayload_set_outcaps (payload, NULL);
return res;
/* ERRORS */
invalid_type:
{
GST_WARNING_OBJECT (payload, "invalid media type received");
return FALSE;
}
}
static gboolean
gst_rtp_mpa_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
gst_basertppayload_set_options (payload, "audio", TRUE, "MPA", 90000);
gst_basertppayload_set_outcaps (payload, NULL);
return TRUE;
}
static gboolean
gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
payload->pt = GST_RTP_PAYLOAD_PCMU;
gst_basertppayload_set_options (payload, "audio", FALSE, "PCMU", 8000);
gst_basertppayload_set_outcaps (payload, NULL);
return TRUE;
}
static gboolean
gst_rtp_mp2t_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
gboolean res;
gst_basertppayload_set_options (payload, "video", TRUE, "MP2T-ES", 90000);
res = gst_basertppayload_set_outcaps (payload, NULL);
return res;
}
static gboolean
gst_rtp_pcma_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
gboolean res;
payload->pt = GST_RTP_PAYLOAD_PCMA;
gst_basertppayload_set_options (payload, "audio", FALSE, "PCMA", 8000);
res = gst_basertppayload_set_outcaps (payload, NULL);
return res;
}
static gboolean
gst_rtp_mp4g_pay_new_caps (GstRtpMP4GPay * rtpmp4gpay)
{
gchar *config;
GValue v = { 0 };
gboolean res;
#define MP4GCAPS \
"streamtype", G_TYPE_STRING, rtpmp4gpay->streamtype, \
"profile-level-id", G_TYPE_STRING, rtpmp4gpay->profile, \
"mode", G_TYPE_STRING, rtpmp4gpay->mode, \
"config", G_TYPE_STRING, config, \
"sizelength", G_TYPE_STRING, "13", \
"indexlength", G_TYPE_STRING, "3", \
"indexdeltalength", G_TYPE_STRING, "3", \
NULL
g_value_init (&v, GST_TYPE_BUFFER);
gst_value_set_buffer (&v, rtpmp4gpay->config);
config = gst_value_serialize (&v);
/* hmm, silly */
if (rtpmp4gpay->params) {
res = gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpmp4gpay),
"encoding-params", G_TYPE_STRING, rtpmp4gpay->params, MP4GCAPS);
} else {
res = gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpmp4gpay),
MP4GCAPS);
}
g_value_unset (&v);
g_free (config);
#undef MP4GCAPS
return res;
}
static gboolean
gst_rtp_mpv_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
const char *stname;
GstStructure *structure;
structure = gst_caps_get_structure (caps, 0);
stname = gst_structure_get_name (structure);
gst_basertppayload_set_options (payload, "video", FALSE, "MPV", 90000);
gst_basertppayload_set_outcaps (payload, NULL);
return TRUE;
}
static gboolean
gst_rtp_amr_pay_setcaps (GstBaseRTPPayload * basepayload, GstCaps * caps)
{
GstRtpAMRPay *rtpamrpay;
gboolean res;
const GstStructure *s;
const gchar *str;
rtpamrpay = GST_RTP_AMR_PAY (basepayload);
/* figure out the mode Narrow or Wideband */
s = gst_caps_get_structure (caps, 0);
if ((str = gst_structure_get_name (s))) {
if (strcmp (str, "audio/AMR") == 0)
rtpamrpay->mode = GST_RTP_AMR_P_MODE_NB;
else if (strcmp (str, "audio/AMR-WB") == 0)
rtpamrpay->mode = GST_RTP_AMR_P_MODE_WB;
else
goto wrong_type;
} else
goto wrong_type;
if (rtpamrpay->mode == GST_RTP_AMR_P_MODE_NB)
gst_basertppayload_set_options (basepayload, "audio", TRUE, "AMR", 8000);
else
gst_basertppayload_set_options (basepayload, "audio", TRUE, "AMR-WB",
16000);
res = gst_basertppayload_set_outcaps (basepayload,
"encoding-params", G_TYPE_STRING, "1", "octet-align", G_TYPE_STRING, "1",
/* don't set the defaults
*
* "crc", G_TYPE_STRING, "0",
* "robust-sorting", G_TYPE_STRING, "0",
* "interleaving", G_TYPE_STRING, "0",
*/
NULL);
return res;
/* ERRORS */
wrong_type:
{
GST_ERROR_OBJECT (rtpamrpay, "unsupported media type '%s'",
GST_STR_NULL (str));
return FALSE;
}
}
static gboolean
gst_rtp_g723_pay_set_caps (GstBaseRTPPayload * payload, GstCaps * caps)
{
gboolean res;
GstStructure *structure;
gint pt;
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "payload", &pt))
pt = GST_RTP_PAYLOAD_G723;
payload->pt = pt;
payload->dynamic = pt != GST_RTP_PAYLOAD_G723;
res = gst_basertppayload_set_outcaps (payload, NULL);
return res;
}
static gboolean
gst_rtp_siren_pay_setcaps (GstBaseRTPPayload * basertppayload, GstCaps * caps)
{
GstRTPSirenPay *rtpsirenpay;
GstBaseRTPAudioPayload *basertpaudiopayload;
gint dct_length;
GstStructure *structure;
const char *payload_name;
rtpsirenpay = GST_RTP_SIREN_PAY (basertppayload);
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (basertppayload);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "dct-length", &dct_length);
if (dct_length != 320)
goto wrong_dct;
payload_name = gst_structure_get_name (structure);
if (g_ascii_strcasecmp ("audio/x-siren", payload_name))
goto wrong_caps;
gst_basertppayload_set_options (basertppayload, "audio", TRUE, "SIREN",
16000);
/* set options for this frame based audio codec */
gst_base_rtp_audio_payload_set_frame_options (basertpaudiopayload, 20, 40);
return gst_basertppayload_set_outcaps (basertppayload, NULL);
/* ERRORS */
wrong_dct:
{
GST_ERROR_OBJECT (rtpsirenpay, "dct-length must be 320, received %d",
dct_length);
return FALSE;
}
wrong_caps:
{
GST_ERROR_OBJECT (rtpsirenpay, "expected audio/x-siren, received %s",
payload_name);
return FALSE;
}
}
static GstFlowReturn
gst_rtp_asf_pay_parse_headers (GstRtpAsfPay * rtpasfpay)
{
gchar *maxps;
g_return_val_if_fail (rtpasfpay->headers, GST_FLOW_ERROR);
if (!gst_asf_parse_headers (rtpasfpay->headers, &rtpasfpay->asfinfo))
goto error;
GST_DEBUG_OBJECT (rtpasfpay, "Packets number: %" G_GUINT64_FORMAT,
rtpasfpay->asfinfo.packets_count);
GST_DEBUG_OBJECT (rtpasfpay, "Packets size: %" G_GUINT32_FORMAT,
rtpasfpay->asfinfo.packet_size);
GST_DEBUG_OBJECT (rtpasfpay, "Broadcast mode: %s",
rtpasfpay->asfinfo.broadcast ? "true" : "false");
/* get the config for caps */
g_free (rtpasfpay->config);
rtpasfpay->config = g_base64_encode (GST_BUFFER_DATA (rtpasfpay->headers),
GST_BUFFER_SIZE (rtpasfpay->headers));
GST_DEBUG_OBJECT (rtpasfpay, "Serialized headers to base64 string %s",
rtpasfpay->config);
g_assert (rtpasfpay->config != NULL);
GST_DEBUG_OBJECT (rtpasfpay, "Setting optional caps values: maxps=%"
G_GUINT32_FORMAT " and config=%s", rtpasfpay->asfinfo.packet_size,
rtpasfpay->config);
maxps =
g_strdup_printf ("%" G_GUINT32_FORMAT, rtpasfpay->asfinfo.packet_size);
gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpasfpay), "maxps",
G_TYPE_STRING, maxps, "config", G_TYPE_STRING, rtpasfpay->config, NULL);
g_free (maxps);
return GST_FLOW_OK;
error:
{
GST_ELEMENT_ERROR (rtpasfpay, STREAM, DECODE, (NULL),
("Error parsing headers"));
return GST_FLOW_ERROR;
}
}
static void
gst_rtp_mp4v_pay_new_caps (GstRtpMP4VPay * rtpmp4vpay)
{
gchar *profile, *config;
GValue v = { 0 };
profile = g_strdup_printf ("%d", rtpmp4vpay->profile);
g_value_init (&v, GST_TYPE_BUFFER);
gst_value_set_buffer (&v, rtpmp4vpay->config);
config = gst_value_serialize (&v);
gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpmp4vpay),
"profile-level-id", G_TYPE_STRING, profile,
"config", G_TYPE_STRING, config, NULL);
g_value_unset (&v);
g_free (profile);
g_free (config);
}
static gboolean gst_rtp_sbc_pay_set_caps(GstBaseRTPPayload *payload,
GstCaps *caps)
{
GstRtpSBCPay *sbcpay;
gint rate, subbands, channels, blocks, bitpool;
gint frame_len;
const gchar *channel_mode;
GstStructure *structure;
sbcpay = GST_RTP_SBC_PAY(payload);
structure = gst_caps_get_structure(caps, 0);
if (!gst_structure_get_int(structure, "rate", &rate))
return FALSE;
if (!gst_structure_get_int(structure, "channels", &channels))
return FALSE;
if (!gst_structure_get_int(structure, "blocks", &blocks))
return FALSE;
if (!gst_structure_get_int(structure, "bitpool", &bitpool))
return FALSE;
if (!gst_structure_get_int(structure, "subbands", &subbands))
return FALSE;
channel_mode = gst_structure_get_string(structure, "mode");
if (!channel_mode)
return FALSE;
frame_len = gst_rtp_sbc_pay_get_frame_len(subbands, channels, blocks,
bitpool, channel_mode);
sbcpay->frame_length = frame_len;
gst_basertppayload_set_options(payload, "audio", TRUE, "SBC", rate);
GST_DEBUG_OBJECT(payload, "calculated frame length: %d ", frame_len);
return gst_basertppayload_set_outcaps(payload, NULL);
}
static gboolean
gst_rtp_speex_pay_parse_ident (GstRtpSPEEXPay * rtpspeexpay,
const guint8 * data, guint size)
{
guint32 version, header_size, rate, mode, nb_channels;
GstBaseRTPPayload *payload;
gchar *cstr;
gboolean res;
/* we need the header string (8), the version string (20), the version
* and the header length. */
if (size < 36)
goto too_small;
if (!g_str_has_prefix ((const gchar *) data, "Speex "))
goto wrong_header;
/* skip header and version string */
data += 28;
version = GST_READ_UINT32_LE (data);
if (version != 1)
goto wrong_version;
data += 4;
/* ensure sizes */
header_size = GST_READ_UINT32_LE (data);
if (header_size < 80)
goto header_too_small;
if (size < header_size)
goto payload_too_small;
data += 4;
rate = GST_READ_UINT32_LE (data);
data += 4;
mode = GST_READ_UINT32_LE (data);
data += 8;
nb_channels = GST_READ_UINT32_LE (data);
GST_DEBUG_OBJECT (rtpspeexpay, "rate %d, mode %d, nb_channels %d",
rate, mode, nb_channels);
payload = GST_BASE_RTP_PAYLOAD (rtpspeexpay);
gst_basertppayload_set_options (payload, "audio", FALSE, "SPEEX", rate);
cstr = g_strdup_printf ("%d", nb_channels);
res = gst_basertppayload_set_outcaps (payload, "encoding-params",
G_TYPE_STRING, cstr, NULL);
g_free (cstr);
return res;
/* ERRORS */
too_small:
{
GST_DEBUG_OBJECT (rtpspeexpay,
"ident packet too small, need at least 32 bytes");
return FALSE;
}
wrong_header:
{
GST_DEBUG_OBJECT (rtpspeexpay,
"ident packet does not start with \"Speex \"");
return FALSE;
}
wrong_version:
{
GST_DEBUG_OBJECT (rtpspeexpay, "can only handle version 1, have version %d",
version);
return FALSE;
}
header_too_small:
{
GST_DEBUG_OBJECT (rtpspeexpay,
"header size too small, need at least 80 bytes, " "got only %d",
header_size);
return FALSE;
}
payload_too_small:
{
GST_DEBUG_OBJECT (rtpspeexpay,
"payload too small, need at least %d bytes, got only %d", header_size,
size);
return FALSE;
}
}
static gboolean
gst_rtp_celt_pay_parse_ident (GstRtpCELTPay * rtpceltpay,
const guint8 * data, guint size)
{
guint32 version, header_size, rate, nb_channels, frame_size, overlap;
guint32 bytes_per_packet;
GstBaseRTPPayload *payload;
gchar *cstr, *fsstr;
gboolean res;
/* we need the header string (8), the version string (20), the version
* and the header length. */
if (size < 36)
goto too_small;
if (!g_str_has_prefix ((const gchar *) data, "CELT "))
goto wrong_header;
/* skip header and version string */
data += 28;
version = GST_READ_UINT32_LE (data);
GST_DEBUG_OBJECT (rtpceltpay, "version %08x", version);
#if 0
if (version != 1)
goto wrong_version;
#endif
data += 4;
/* ensure sizes */
header_size = GST_READ_UINT32_LE (data);
if (header_size < 56)
goto header_too_small;
if (size < header_size)
goto payload_too_small;
data += 4;
rate = GST_READ_UINT32_LE (data);
data += 4;
nb_channels = GST_READ_UINT32_LE (data);
data += 4;
frame_size = GST_READ_UINT32_LE (data);
data += 4;
overlap = GST_READ_UINT32_LE (data);
data += 4;
bytes_per_packet = GST_READ_UINT32_LE (data);
GST_DEBUG_OBJECT (rtpceltpay, "rate %d, nb_channels %d, frame_size %d",
rate, nb_channels, frame_size);
GST_DEBUG_OBJECT (rtpceltpay, "overlap %d, bytes_per_packet %d",
overlap, bytes_per_packet);
payload = GST_BASE_RTP_PAYLOAD (rtpceltpay);
gst_basertppayload_set_options (payload, "audio", FALSE, "CELT", rate);
cstr = g_strdup_printf ("%d", nb_channels);
fsstr = g_strdup_printf ("%d", frame_size);
res = gst_basertppayload_set_outcaps (payload, "encoding-params",
G_TYPE_STRING, cstr, "frame-size", G_TYPE_STRING, fsstr, NULL);
g_free (cstr);
g_free (fsstr);
return res;
/* ERRORS */
too_small:
{
GST_DEBUG_OBJECT (rtpceltpay,
"ident packet too small, need at least 32 bytes");
return FALSE;
}
wrong_header:
{
GST_DEBUG_OBJECT (rtpceltpay,
"ident packet does not start with \"CELT \"");
return FALSE;
}
#if 0
wrong_version:
{
GST_DEBUG_OBJECT (rtpceltpay, "can only handle version 1, have version %d",
version);
return FALSE;
}
#endif
header_too_small:
{
GST_DEBUG_OBJECT (rtpceltpay,
"header size too small, need at least 80 bytes, " "got only %d",
header_size);
return FALSE;
}
payload_too_small:
{
GST_DEBUG_OBJECT (rtpceltpay,
"payload too small, need at least %d bytes, got only %d", header_size,
size);
return FALSE;
}
}
static gboolean
gst_rtp_mpv_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
gst_basertppayload_set_options (payload, "video", FALSE, "MPV", 90000);
return gst_basertppayload_set_outcaps (payload, NULL);
}
static gboolean
gst_rtp_ilbc_pay_sink_setcaps (GstBaseRTPPayload * basertppayload,
GstCaps * caps)
{
GstRTPILBCPay *rtpilbcpay;
GstBaseRTPAudioPayload *basertpaudiopayload;
gboolean ret;
gint mode;
gchar *mode_str;
GstStructure *structure;
const char *payload_name;
rtpilbcpay = GST_RTP_ILBC_PAY (basertppayload);
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (basertppayload);
structure = gst_caps_get_structure (caps, 0);
payload_name = gst_structure_get_name (structure);
if (g_ascii_strcasecmp ("audio/x-iLBC", payload_name))
goto wrong_caps;
if (!gst_structure_get_int (structure, "mode", &mode))
goto no_mode;
if (mode != 20 && mode != 30)
goto wrong_mode;
gst_basertppayload_set_options (basertppayload, "audio", TRUE, "ILBC", 8000);
/* set options for this frame based audio codec */
gst_base_rtp_audio_payload_set_frame_options (basertpaudiopayload,
mode, mode == 30 ? 50 : 38);
mode_str = g_strdup_printf ("%d", mode);
ret =
gst_basertppayload_set_outcaps (basertppayload, "mode", G_TYPE_STRING,
mode_str, NULL);
g_free (mode_str);
if (mode != rtpilbcpay->mode && rtpilbcpay->mode != -1)
goto mode_changed;
rtpilbcpay->mode = mode;
return ret;
/* ERRORS */
wrong_caps:
{
GST_ERROR_OBJECT (rtpilbcpay, "expected audio/x-iLBC, received %s",
payload_name);
return FALSE;
}
no_mode:
{
GST_ERROR_OBJECT (rtpilbcpay, "did not receive a mode");
return FALSE;
}
wrong_mode:
{
GST_ERROR_OBJECT (rtpilbcpay, "mode must be 20 or 30, received %d", mode);
return FALSE;
}
mode_changed:
{
GST_ERROR_OBJECT (rtpilbcpay, "Mode has changed from %d to %d! "
"Mode cannot change while streaming", rtpilbcpay->mode, mode);
return FALSE;
}
}
static gboolean
gst_rtp_g722_pay_setcaps (GstBaseRTPPayload * basepayload, GstCaps * caps)
{
GstRtpG722Pay *rtpg722pay;
GstStructure *structure;
gint rate, channels, clock_rate;
gboolean res;
gchar *params;
GstAudioChannelPosition *pos;
const GstRTPChannelOrder *order;
GstBaseRTPAudioPayload *basertpaudiopayload;
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (basepayload);
rtpg722pay = GST_RTP_G722_PAY (basepayload);
structure = gst_caps_get_structure (caps, 0);
/* first parse input caps */
if (!gst_structure_get_int (structure, "rate", &rate))
goto no_rate;
if (!gst_structure_get_int (structure, "channels", &channels))
goto no_channels;
/* get the channel order */
pos = gst_audio_get_channel_positions (structure);
if (pos)
order = gst_rtp_channels_get_by_pos (channels, pos);
else
order = NULL;
/* Clock rate is always 8000 Hz for G722 according to
* RFC 3551 although the sampling rate is 16000 Hz */
clock_rate = 8000;
gst_basertppayload_set_options (basepayload, "audio", TRUE, "G722",
clock_rate);
params = g_strdup_printf ("%d", channels);
if (!order && channels > 2) {
GST_ELEMENT_WARNING (rtpg722pay, STREAM, DECODE,
(NULL), ("Unknown channel order for %d channels", channels));
}
if (order && order->name) {
res = gst_basertppayload_set_outcaps (basepayload,
"encoding-params", G_TYPE_STRING, params, "channels", G_TYPE_INT,
channels, "channel-order", G_TYPE_STRING, order->name, NULL);
} else {
res = gst_basertppayload_set_outcaps (basepayload,
"encoding-params", G_TYPE_STRING, params, "channels", G_TYPE_INT,
channels, NULL);
}
g_free (params);
g_free (pos);
rtpg722pay->rate = rate;
rtpg722pay->channels = channels;
/* octet-per-sample is 1 * channels for G722 */
gst_base_rtp_audio_payload_set_samplebits_options (basertpaudiopayload,
4 * rtpg722pay->channels);
return res;
/* ERRORS */
no_rate:
{
GST_DEBUG_OBJECT (rtpg722pay, "no rate given");
return FALSE;
}
no_channels:
{
GST_DEBUG_OBJECT (rtpg722pay, "no channels given");
return FALSE;
}
}
static gboolean
gst_rtp_vraw_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
{
GstRtpVRawPay *rtpvrawpay;
GstStructure *s;
gboolean res;
const gchar *name;
gint width, height;
gint yp, up, vp;
gint pgroup, ystride, uvstride = 0, xinc, yinc;
GstVideoFormat sampling;
const gchar *depthstr, *samplingstr, *colorimetrystr;
gchar *wstr, *hstr;
gboolean interlaced;
const gchar *color_matrix;
gint depth;
rtpvrawpay = GST_RTP_VRAW_PAY (payload);
s = gst_caps_get_structure (caps, 0);
/* start parsing the format */
name = gst_structure_get_name (s);
/* these values are the only thing we can do */
depthstr = "8";
/* parse common width/height */
res = gst_structure_get_int (s, "width", &width);
res &= gst_structure_get_int (s, "height", &height);
if (!res)
goto missing_dimension;
if (!gst_structure_get_boolean (s, "interlaced", &interlaced))
interlaced = FALSE;
color_matrix = gst_structure_get_string (s, "color-matrix");
colorimetrystr = "SMPTE240M";
if (color_matrix) {
if (g_str_equal (color_matrix, "sdtv")) {
/* BT.601 implies a bit more than just color-matrix */
colorimetrystr = "BT601-5";
} else if (g_str_equal (color_matrix, "hdtv")) {
colorimetrystr = "BT709-2";
}
}
yp = up = vp = 0;
xinc = yinc = 1;
if (!strcmp (name, "video/x-raw-rgb")) {
gint amask, rmask;
gboolean has_alpha;
has_alpha = gst_structure_get_int (s, "alpha_mask", &amask);
depth = 8;
if (!gst_structure_get_int (s, "red_mask", &rmask))
goto unknown_mask;
if (has_alpha) {
pgroup = 4;
ystride = width * 4;
if (rmask == 0xFF000000) {
sampling = GST_VIDEO_FORMAT_RGBA;
samplingstr = "RGBA";
} else {
sampling = GST_VIDEO_FORMAT_BGRA;
samplingstr = "BGRA";
}
} else {
pgroup = 3;
ystride = GST_ROUND_UP_4 (width * 3);
if (rmask == 0x00FF0000) {
sampling = GST_VIDEO_FORMAT_RGB;
samplingstr = "RGB";
} else {
sampling = GST_VIDEO_FORMAT_BGR;
samplingstr = "BGR";
}
}
} else if (!strcmp (name, "video/x-raw-yuv")) {
guint32 fourcc;
if (!gst_structure_get_fourcc (s, "format", &fourcc))
goto unknown_fourcc;
GST_LOG_OBJECT (payload, "have fourcc %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (fourcc));
switch (fourcc) {
case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
sampling = GST_VIDEO_FORMAT_AYUV;
samplingstr = "YCbCr-4:4:4";
pgroup = 3;
ystride = width * 4;
depth = 8;
break;
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
sampling = GST_VIDEO_FORMAT_UYVY;
samplingstr = "YCbCr-4:2:2";
pgroup = 4;
xinc = 2;
ystride = GST_ROUND_UP_2 (width) * 2;
depth = 8;
break;
case GST_MAKE_FOURCC ('Y', '4', '1', 'B'):
sampling = GST_VIDEO_FORMAT_Y41B;
samplingstr = "YCbCr-4:1:1";
pgroup = 6;
xinc = 4;
ystride = GST_ROUND_UP_4 (width);
uvstride = GST_ROUND_UP_8 (width) / 4;
up = ystride * height;
vp = up + uvstride * height;
depth = 8;
break;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
sampling = GST_VIDEO_FORMAT_I420;
samplingstr = "YCbCr-4:2:0";
pgroup = 6;
xinc = yinc = 2;
ystride = GST_ROUND_UP_4 (width);
uvstride = GST_ROUND_UP_8 (width) / 2;
up = ystride * GST_ROUND_UP_2 (height);
vp = up + uvstride * GST_ROUND_UP_2 (height) / 2;
depth = 8;
break;
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'P'):
#define GST_VIDEO_FORMAT_UYVP GST_VIDEO_FORMAT_UYVY /* FIXME */
sampling = GST_VIDEO_FORMAT_UYVP;
samplingstr = "YCbCr-4:2:2";
pgroup = 4;
xinc = 2;
ystride = GST_ROUND_UP_2 (width) * 2;
depth = 10;
break;
default:
goto unknown_fourcc;
}
} else
goto unknown_format;
if (interlaced) {
yinc *= 2;
}
if (depth == 10) {
depthstr = "10";
}
rtpvrawpay->width = width;
rtpvrawpay->height = height;
rtpvrawpay->sampling = sampling;
rtpvrawpay->pgroup = pgroup;
rtpvrawpay->xinc = xinc;
rtpvrawpay->yinc = yinc;
rtpvrawpay->yp = yp;
rtpvrawpay->up = up;
rtpvrawpay->vp = vp;
rtpvrawpay->ystride = ystride;
rtpvrawpay->uvstride = uvstride;
rtpvrawpay->interlaced = interlaced;
rtpvrawpay->depth = depth;
GST_DEBUG_OBJECT (payload, "width %d, height %d, sampling %d", width, height,
sampling);
GST_DEBUG_OBJECT (payload, "yp %d, up %d, vp %d", yp, up, vp);
GST_DEBUG_OBJECT (payload, "pgroup %d, ystride %d, uvstride %d", pgroup,
ystride, uvstride);
wstr = g_strdup_printf ("%d", rtpvrawpay->width);
hstr = g_strdup_printf ("%d", rtpvrawpay->height);
gst_basertppayload_set_options (payload, "video", TRUE, "RAW", 90000);
if (interlaced) {
res = gst_basertppayload_set_outcaps (payload, "sampling", G_TYPE_STRING,
samplingstr, "depth", G_TYPE_STRING, depthstr, "width", G_TYPE_STRING,
wstr, "height", G_TYPE_STRING, hstr, "colorimetry", G_TYPE_STRING,
colorimetrystr, "interlace", G_TYPE_STRING, "true", NULL);
} else {
res = gst_basertppayload_set_outcaps (payload, "sampling", G_TYPE_STRING,
samplingstr, "depth", G_TYPE_STRING, depthstr, "width", G_TYPE_STRING,
wstr, "height", G_TYPE_STRING, hstr, "colorimetry", G_TYPE_STRING,
colorimetrystr, NULL);
}
g_free (wstr);
g_free (hstr);
return res;
/* ERRORS */
unknown_mask:
{
GST_ERROR_OBJECT (payload, "unknown red mask specified");
return FALSE;
}
unknown_format:
{
GST_ERROR_OBJECT (payload, "unknown caps format");
return FALSE;
}
unknown_fourcc:
{
GST_ERROR_OBJECT (payload, "invalid or missing fourcc");
return FALSE;
}
missing_dimension:
{
GST_ERROR_OBJECT (payload, "missing width or height property");
return FALSE;
}
}
