/*****************************************************************************
* Preamble
*****************************************************************************/
+#include "config.h"
+#include <stdio.h>
#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
#include <errno.h>
char *psz_destination;
int i_port;
int i_cat;
+ int i_bitrate;
/* Packetizer specific fields */
pf_rtp_packetizer_t pf_packetize;
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_instance_t *p_sout = p_stream->p_sout;
sout_stream_sys_t *p_sys = NULL;
- sout_cfg_t *p_cfg = NULL;
+ config_chain_t *p_cfg = NULL;
vlc_value_t val;
vlc_bool_t b_rtsp = VLC_FALSE;
- sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
+ config_ChainParse( p_stream, SOUT_CFG_PREFIX,
+ ppsz_sout_options, p_stream->p_cfg );
p_sys = malloc( sizeof( sout_stream_sys_t ) );
}
/* create the SDP for a muxed stream (only once) */
- /* FIXME http://www.faqs.org/rfcs/rfc2327.html
- All text fields should be UTF-8 encoded. Use global a:charset to announce this.
+ /* FIXME http://www.faqs.org/rfcs/rfc4566.html
o= - should be local username (no spaces allowed)
- o= time should be hashed with some other value to garantue uniqueness
- o= we need IP6 support?
+ o= time should be hashed with some other value to garantee uniqueness
o= don't use the localhost address. use fully qualified domain name or IP4 address
- p= international phone number (pass via vars?)
- c= IP6 support
- a= recvonly (missing)
- a= type:broadcast (missing)
- a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
+ a= source-filter: we need our source address
a= x-plgroup: (missing)
RTP packets need to get the correct src IP address */
if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
"i=%s\r\n"
"u=%s\r\n"
"e=%s\r\n"
+ "c=IN IP%c %s%s\r\n"
"t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
"a=tool:"PACKAGE_STRING"\r\n"
- "c=IN IP%c %s%s\r\n"
+ "a=recvonly\r\n"
+ "a=type:broadcast\r\n"
"m=video %d RTP/AVP %d\r\n"
"a=rtpmap:%d %s\r\n",
p_sys->i_sdp_id, p_sys->i_sdp_version,
var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
if( *val.psz_string )
{
- sout_cfg_t *p_cfg;
+ config_chain_t *p_cfg;
SDPHandleUrl( p_stream, val.psz_string );
free( p_sys->psz_sdp );
p_sys->psz_sdp = NULL;
}
+ if( p_sys->b_export_sdp_file )
+ {
+#ifdef HAVE_UNISTD_H
+ unlink( p_sys->psz_sdp_file );
+#endif
+ free( p_sys->psz_sdp_file );
+ }
free( p_sys );
}
{
i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
}
+ if ( id->i_bitrate)
+ {
+ i_size += strlen( "b=AS: *\r\n") + 10;
+ }
if( b_rtsp )
{
i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
id->psz_fmtp );
}
+ if ( id->i_bitrate)
+ {
+ p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
+ }
if( b_rtsp )
{
p += sprintf( p, "a=control:trackID=%d\r\n", i );
static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
+static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
s[2*i_data] = '\0';
}
+static const char basis_64[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+int ap_base64encode_len(int len)
+{
+ return ((len + 2) / 3 * 4) + 1;
+}
+
+int ap_base64encode_binary(char *encoded,
+ const unsigned char *string, int len)
+{
+ int i;
+ char *p;
+
+ p = encoded;
+ for (i = 0; i < len - 2; i += 3) {
+ *p++ = basis_64[(string[i] >> 2) & 0x3F];
+ *p++ = basis_64[((string[i] & 0x3) << 4) |
+ ((int) (string[i + 1] & 0xF0) >> 4)];
+ *p++ = basis_64[((string[i + 1] & 0xF) << 2) |
+ ((int) (string[i + 2] & 0xC0) >> 6)];
+ *p++ = basis_64[string[i + 2] & 0x3F];
+ }
+ if (i < len) {
+ *p++ = basis_64[(string[i] >> 2) & 0x3F];
+ if (i == (len - 1)) {
+ *p++ = basis_64[((string[i] & 0x3) << 4)];
+ *p++ = '=';
+ }
+ else {
+ *p++ = basis_64[((string[i] & 0x3) << 4) |
+ ((int) (string[i + 1] & 0xF0) >> 4)];
+ *p++ = basis_64[((string[i + 1] & 0xF) << 2)];
+ }
+ *p++ = '=';
+ }
+
+ *p++ = '\0';
+ return p - encoded;
+}
+
+int ap_base64encode(char *encoded, const char *string, int len)
+{
+ return ap_base64encode_binary(encoded, (const unsigned char *) string, len);
+}
+
+char *b64_encode(char *buf, int len)
+{
+ int elen;
+ char *out;
+
+ if(len == 0)
+ len = strlen(buf);
+
+ elen = ap_base64encode_len(len);
+ out = (char *) malloc(sizeof(char) * (elen + 1));
+
+ ap_base64encode(out, buf, len);
+
+ return out;
+}
+
static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
sout_instance_t *p_sout = p_stream->p_sout;
id->psz_rtpmap = strdup( "H263-1998/90000" );
id->pf_packetize = rtp_packetize_h263;
break;
+ case VLC_FOURCC( 'h', '2', '6', '4' ):
+ id->i_payload_type = p_sys->i_payload_type++;
+ id->i_clock_rate = 90000;
+ id->psz_rtpmap = strdup( "H264/90000" );
+ id->pf_packetize = rtp_packetize_h264;
+ if( p_fmt->i_extra > 0 )
+ {
+ uint8_t *p_buffer = p_fmt->p_extra;
+ int i_buffer = p_fmt->i_extra;
+ char *p_64_sps = NULL;
+ char *p_64_pps = NULL;
+ char hexa[6];
+
+ while( i_buffer > 4 &&
+ p_buffer[0] == 0 && p_buffer[1] == 0 &&
+ p_buffer[2] == 0 && p_buffer[3] == 1 )
+ {
+ const int i_nal_type = p_buffer[4]&0x1f;
+ int i_offset = 1;
+ int i_size = 0;
+ int i_startcode = 0;
+ int i_encoded = 0;
+
+ msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
+
+ for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
+ {
+ if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
+ {
+ /* we found another startcode */
+ i_startcode = i_offset;
+ break;
+ }
+ }
+ i_size = i_startcode ? i_startcode : i_buffer;
+ if( i_nal_type == 7 )
+ {
+ p_64_sps = (char *)malloc( ap_base64encode_len( i_size - 4) );
+ i_encoded = ap_base64encode_binary( p_64_sps, &p_buffer[4], i_size - 4 );
+ p_64_sps[i_encoded] = '\0';
+ sprintf_hexa( hexa, &p_buffer[5], 3 );
+ hexa[6] = '\0';
+ }
+ if( i_nal_type == 8 )
+ {
+ p_64_pps = (char *)malloc( ap_base64encode_len( i_size - 4) );
+ i_encoded = ap_base64encode_binary( p_64_pps, &p_buffer[4], i_size - 4 );
+ p_64_pps[i_encoded] = '\0';
+ }
+ i_buffer -= i_size;
+ p_buffer += i_size;
+ }
+ /* FIXME: All this is a bit unsafe */
+ asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
+ free( p_64_sps );
+ free( p_64_pps );
+ }
+ else
+ id->psz_fmtp = strdup( "packetization-mode=1" );
+if( p_fmt->i_extra > 0 )
+msg_Dbg( p_stream, "WE HAVE %d bytes extra data", p_fmt->i_extra );
+ break;
case VLC_FOURCC( 'm', 'p', '4', 'v' ):
{
id->ssrc[3] = rand()&0xff;
id->i_sequence = rand()&0xffff;
id->i_timestamp_start = rand()&0xffffffff;
+ id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
if( id->i_mtu <= 16 + MTU_REDUCE )
answer->i_status = 200;
answer->psz_status = strdup( "OK" );
httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
-
+ httpd_MsgAdd( answer, "Content-Base", "%s/", p_sys->psz_rtsp_control );
answer->p_body = (uint8_t *)psz_sdp;
answer->i_body = strlen( psz_sdp );
break;
return VLC_SUCCESS;
}
+/* rfc3984 */
+static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *in )
+{
+ int i_max = id->i_mtu - 12; /* payload max in one packet */
+ uint8_t *p_data = in->p_buffer;
+ int i_data = in->i_buffer;
+ block_t *out;
+ int i_nal_type;
+ int i_payload;
+
+ while( i_data > 4 )
+ {
+ if( p_data[0] == 0x00 && p_data[1] == 0x00 && p_data[2] == 0x01 && /* startcode */
+ (p_data[3]&0x1f) > 0 && (p_data[3]&0x1f) < 24 ) /* naltype should be between 1 and 23 */
+ {
+ p_data += 3;
+ i_data -= 3;
+ i_nal_type = p_data[0]&0x1f;
+
+ /* Skip global headers */
+ if( i_nal_type == 7 || i_nal_type == 8 )
+ continue;
+
+ if( i_data <= i_max ) /* The whole pack will fit in one rtp payload */
+ {
+ /* single NAL */
+ i_payload = __MIN( i_max, i_data );
+ out = block_New( p_stream, 12 + i_payload );
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, 1,
+ in->i_pts > 0 ? in->i_pts : in->i_dts );
+
+ memcpy( &out->p_buffer[12], p_data, i_payload );
+
+ out->i_buffer+= i_payload;
+ out->i_dts = in->i_dts;
+ out->i_length = in->i_length;
+
+ rtp_packetize_send( id, out );
+ p_data += i_payload;
+ i_data -= i_payload;
+ /*msg_Dbg( p_stream, "nal-out plain %d %02x", i_payload, out->p_buffer[16] );*/
+ }
+ else
+ {
+ /* FU-A */
+ uint8_t nalh; /* The nalheader byte */
+ int start=1, end=0;
+
+ /* skip but remember the nalh byte */
+ nalh = *p_data;
+ p_data++;
+ i_data--;
+
+ i_max = id->i_mtu - 14;
+
+ /*msg_Dbg( p_stream, "nal-out fragmented %02x %d", nalh, i_rest);*/
+
+ while( end == 0 )
+ {
+ i_payload = __MIN( i_max, i_data );
+ out = block_New( p_stream, 14 + i_payload );
+
+ if( i_data == i_payload )
+ end = 1;
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, (end)?1:0,
+ in->i_pts > 0 ? in->i_pts : in->i_dts );
+
+ /* FU indicator */
+ out->p_buffer[12] = (nalh&0x60)|28;
+ /* FU header */
+ out->p_buffer[13] = (start<<7)|(end<<6)|(nalh&0x1f);
+
+ memcpy( &out->p_buffer[14], p_data, i_payload );
+
+ out->i_buffer = 14 + i_payload;
+ /* The dts should "slide" ? See the i_count trick and adapt */
+ out->i_dts = in->i_dts;
+
+ rtp_packetize_send( id, out );
+ /*msg_Dbg( p_stream, "nal-out fragmented: frag %d %d %02x %02x %d", start,end,
+ out->p_buffer[12], out->p_buffer[13], i_payload );*/
+
+ i_data -= i_payload;
+ p_data +- i_payload;
+ start = 0;
+ }
+ }
+ }
+ else
+ {
+ p_data++;
+ i_data--;
+ }
+ }
+ return VLC_SUCCESS;
+}
+
static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
projects / vlc / blobdiff