X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fmisc%2Frtsp.c;h=0dd3e93cce5d6a9088d12ef3919af803bc276790;hb=c7eb703de55f9a0a0a03de0e025ad342bd1ab11a;hp=4404155a0afcc834ebb1e9b07208b100d9009891;hpb=d5308d380e360212e3748035573153dfd62d1d59;p=vlc diff --git a/modules/misc/rtsp.c b/modules/misc/rtsp.c index 4404155a0a..0dd3e93cce 100644 --- a/modules/misc/rtsp.c +++ b/modules/misc/rtsp.c @@ -1,7 +1,7 @@ /***************************************************************************** * rtsp.c: rtsp VoD server module ***************************************************************************** - * Copyright (C) 2003-2004 VideoLAN + * Copyright (C) 2003-2006 the VideoLAN team * $Id$ * * Authors: Laurent Aimar @@ -19,23 +19,39 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ -#include -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -#include -#include -#include +#include +#include +#include +#include +#include #include "vlc_httpd.h" #include "vlc_vod.h" -#include "network.h" +#include "vlc_url.h" +#include +#include +#include + +#include + +#ifndef WIN32 +# include +#endif + +#ifdef HAVE_XLOCALE_H +# include +#endif /***************************************************************************** * Module descriptor @@ -43,19 +59,42 @@ static int Open ( vlc_object_t * ); static void Close( vlc_object_t * ); -#define HOST_TEXT N_( "Host address" ) +#define HOST_TEXT N_( "RTSP host address" ) #define HOST_LONGTEXT N_( \ - "You can set the address, port and path the rtsp interface will bind to." ) - -vlc_module_begin(); - set_description( _("RTSP VoD server") ); - set_category( CAT_SOUT ); - set_subcategory( SUBCAT_SOUT_VOD ); - set_capability( "vod server", 1 ); - set_callbacks( Open, Close ); - add_shortcut( "rtsp" ); - add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE ); -vlc_module_end(); + "This defines the address, port and path the RTSP VOD server will listen " \ + "on.\nSyntax is address:port/path. The default is to listen on all "\ + "interfaces (address 0.0.0.0), on port 554, with no path.\nTo listen " \ + "only on the local interface, use \"localhost\" as address." ) + +#define THROTLE_TEXT N_( "Maximum number of connections" ) +#define THROTLE_LONGTEXT N_( "This limits the maximum number of clients " \ + "that can connect to the RTSP VOD. 0 means no limit." ) + +#define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" ) + +#define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP " \ + "session string" ) +#define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add " \ + "to the RTSP session ID string. Setting it to a negative number removes " \ + "the timeout option entirely. This is needed by some IPTV STBs (such as " \ + "those made by HansunTech) which get confused by it. The default is 5." ) + +vlc_module_begin () + set_shortname( N_("RTSP VoD" ) ) + set_description( N_("RTSP VoD server") ) + set_category( CAT_SOUT ) + set_subcategory( SUBCAT_SOUT_VOD ) + set_capability( "vod server", 1 ) + set_callbacks( Open, Close ) + add_shortcut( "rtsp" ) + add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, true ) + add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT, + RAWMUX_TEXT, true ) + add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT, + THROTLE_LONGTEXT, true ) + add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT, + SESSION_TIMEOUT_LONGTEXT, true ) +vlc_module_end () /***************************************************************************** * Exported prototypes @@ -76,8 +115,8 @@ typedef struct char *psz_session; int64_t i_last; /* for timeout */ - vlc_bool_t b_playing; /* is it in "play" state */ - vlc_bool_t b_paused; /* is it in "pause" state */ + bool b_playing; /* is it in "play" state */ + bool b_paused; /* is it in "pause" state */ int i_es; rtsp_client_es_t **es; @@ -104,15 +143,17 @@ struct media_es_t struct vod_media_t { + int id; + /* VoD server */ vod_t *p_vod; /* RTSP server */ httpd_url_t *p_rtsp_url; - char *psz_rtsp_control; + char *psz_rtsp_control_v4; + char *psz_rtsp_control_v6; char *psz_rtsp_path; - char *psz_destination; int i_port; int i_port_audio; int i_port_video; @@ -122,7 +163,7 @@ struct vod_media_t int64_t i_sdp_id; int i_sdp_version; - vlc_bool_t b_multicast; + bool b_multicast; vlc_mutex_t lock; @@ -130,6 +171,7 @@ struct vod_media_t int i_es; media_es_t **es; char *psz_mux; + bool b_raw; /* RTSP client */ int i_rtsp; @@ -147,30 +189,57 @@ struct vod_sys_t { /* RTSP server */ httpd_host_t *p_rtsp_host; - char *psz_host; char *psz_path; int i_port; + int i_throttle_users; + int i_connections; + + char *psz_raw_mux; + + int i_session_timeout; /* List of media */ + vlc_mutex_t lock_media; + int i_media_id; int i_media; vod_media_t **media; + + /* */ + block_fifo_t *p_fifo_cmd; }; -static vod_media_t *MediaNew( vod_t *, char *, input_item_t * ); +/* rtsp delayed command (to avoid deadlock between vlm/httpd) */ +typedef enum +{ + RTSP_CMD_TYPE_NONE, /* Exit requested */ + + RTSP_CMD_TYPE_PLAY, + RTSP_CMD_TYPE_PAUSE, + RTSP_CMD_TYPE_STOP, + RTSP_CMD_TYPE_SEEK, + RTSP_CMD_TYPE_REWIND, + RTSP_CMD_TYPE_FORWARD, +} rtsp_cmd_type_t; + +static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * ); static void MediaDel( vod_t *, vod_media_t * ); static int MediaAddES( vod_t *, vod_media_t *, es_format_t * ); static void MediaDelES( vod_t *, vod_media_t *, es_format_t * ); +static void* CommandThread( vlc_object_t *p_this ); +static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session, + double f_arg, const char *psz_arg ); + static rtsp_client_t *RtspClientNew( vod_media_t *, char * ); -static rtsp_client_t *RtspClientGet( vod_media_t *, char * ); +static rtsp_client_t *RtspClientGet( vod_media_t *, const char * ); static void RtspClientDel( vod_media_t *, rtsp_client_t * ); static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *, - httpd_message_t *, httpd_message_t * ); + httpd_message_t *, const httpd_message_t * ); static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *, - httpd_message_t *, httpd_message_t * ); + httpd_message_t *, const httpd_message_t * ); -static char *SDPGenerate( vod_media_t *, char * ); +static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl ); static void sprintf_hexa( char *s, uint8_t *p_data, int i_data ) { @@ -191,54 +260,73 @@ static void sprintf_hexa( char *s, uint8_t *p_data, int i_data ) static int Open( vlc_object_t *p_this ) { vod_t *p_vod = (vod_t *)p_this; - vod_sys_t *p_sys = 0; - char *psz_url = 0; + vod_sys_t *p_sys = NULL; + char *psz_url = NULL; vlc_url_t url; psz_url = config_GetPsz( p_vod, "rtsp-host" ); vlc_UrlParse( &url, psz_url, 0 ); - if( psz_url ) free( psz_url ); + free( psz_url ); - if( !url.psz_host || !*url.psz_host ) - { - if( url.psz_host ) free( url.psz_host ); - url.psz_host = strdup( "localhost" ); - } if( url.i_port <= 0 ) url.i_port = 554; p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) ); if( !p_sys ) goto error; p_sys->p_rtsp_host = 0; + p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" ); + + p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" ); + msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users ); + p_sys->i_connections = 0; + + p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" ); + p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port ); if( !p_sys->p_rtsp_host ) { - msg_Err( p_vod, "cannot create http server (%s:%i)", + msg_Err( p_vod, "cannot create RTSP server (%s:%i)", url.psz_host, url.i_port ); goto error; } - p_sys->psz_host = strdup( url.psz_host ); p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" ); p_sys->i_port = url.i_port; vlc_UrlClean( &url ); - p_sys->media = 0; - p_sys->i_media = 0; + + vlc_mutex_init( &p_sys->lock_media ); + + TAB_INIT( p_sys->i_media, p_sys->media ); + p_sys->i_media_id = 0; p_vod->pf_media_new = MediaNew; p_vod->pf_media_del = MediaDel; p_vod->pf_media_add_es = MediaAddES; p_vod->pf_media_del_es = MediaDelES; - return VLC_SUCCESS; + p_sys->p_fifo_cmd = block_FifoNew(); + if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread, + VLC_THREAD_PRIORITY_LOW ) ) + { + msg_Err( p_vod, "cannot spawn rtsp vod thread" ); + block_FifoRelease( p_sys->p_fifo_cmd ); + free( p_sys->psz_path ); + goto error; + } - error: + return VLC_SUCCESS; - if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host ); - if( p_sys ) free( p_sys ); +error: + if( p_sys ) + { + if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host ); + free( p_sys->psz_raw_mux ); + free( p_sys ); + } vlc_UrlClean( &url ); + return VLC_EGENERIC; } @@ -250,59 +338,105 @@ static void Close( vlc_object_t * p_this ) vod_t *p_vod = (vod_t *)p_this; vod_sys_t *p_sys = p_vod->p_sys; + /* Stop command thread */ + vlc_object_kill( p_vod ); + CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL ); + vlc_thread_join( p_vod ); + + block_FifoRelease( p_sys->p_fifo_cmd ); + httpd_HostDelete( p_sys->p_rtsp_host ); + var_Destroy( p_this, "rtsp-session-timeout" ); + var_Destroy( p_this, "rtsp-throttle-users" ); + var_Destroy( p_this, "rtsp-raw-mux" ); - /* TODO delete medias */ + /* Check VLM is not buggy */ + if( p_sys->i_media > 0 ) + msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media ); + TAB_CLEAN( p_sys->i_media, p_sys->media ); + vlc_mutex_destroy( &p_sys->lock_media ); + + free( p_sys->psz_path ); + free( p_sys->psz_raw_mux ); free( p_sys ); } /***************************************************************************** * Media handling *****************************************************************************/ -static vod_media_t *MediaNew( vod_t *p_vod, char *psz_name, +static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name, input_item_t *p_item ) { - vod_sys_t *p_sys = p_vod->p_sys; - vod_media_t *p_media = malloc( sizeof(vod_media_t) ); int i; + vod_sys_t *p_sys = p_vod->p_sys; - memset( p_media, 0, sizeof(vod_media_t) ); - p_media->es = 0; - p_media->psz_mux = 0; - p_media->rtsp = 0; + vod_media_t *p_media = calloc( 1, sizeof(vod_media_t) ); + if( !p_media ) + return NULL; - asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name ); + p_media->id = p_sys->i_media_id++; + TAB_INIT( p_media->i_es, p_media->es ); + p_media->psz_mux = NULL; + TAB_INIT( p_media->i_rtsp, p_media->rtsp ); + p_media->b_raw = false; + + if( asprintf( &p_media->psz_rtsp_path, "%s%s", + p_sys->psz_path, psz_name ) <0 ) + return NULL; p_media->p_rtsp_url = - httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, 0, 0 ); + httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL, + NULL, NULL ); if( !p_media->p_rtsp_url ) { - msg_Err( p_vod, "cannot create http url (%s)", p_media->psz_rtsp_path); + msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path); free( p_media->psz_rtsp_path ); free( p_media ); - return 0; + return NULL; } - msg_Dbg( p_vod, "created rtsp url: %s", p_media->psz_rtsp_path ); + msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path ); - asprintf( &p_media->psz_rtsp_control, "rtsp://%s:%d%s", - p_sys->psz_host, p_sys->i_port, p_media->psz_rtsp_path ); + if( asprintf( &p_media->psz_rtsp_control_v4, + "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n", + p_sys->i_port, p_media->psz_rtsp_path ) < 0 ) + { + httpd_UrlDelete( p_media->p_rtsp_url ); + free( p_media->psz_rtsp_path ); + free( p_media ); + return NULL; + } + if( asprintf( &p_media->psz_rtsp_control_v6, + "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n", + p_sys->i_port, p_media->psz_rtsp_path ) < 0 ) + { + httpd_UrlDelete( p_media->p_rtsp_url ); + free( p_media->psz_rtsp_path ); + free( p_media ); + return NULL; + } + httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP, + RtspCallback, (void*)p_media ); httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_media ); httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_media ); httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_media ); + httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER, + RtspCallback, (void*)p_media ); httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_media ); p_media->p_vod = p_vod; + vlc_mutex_lock( &p_sys->lock_media ); TAB_APPEND( p_sys->i_media, p_sys->media, p_media ); + vlc_mutex_unlock( &p_sys->lock_media ); - vlc_mutex_init( p_vod, &p_media->lock ); + vlc_mutex_init( &p_media->lock ); p_media->psz_session_name = strdup(""); p_media->psz_session_description = strdup(""); p_media->psz_session_url = strdup(""); @@ -315,7 +449,7 @@ static vod_media_t *MediaNew( vod_t *p_vod, char *psz_name, p_media->i_sdp_id = mdate(); p_media->i_sdp_version = 1; - p_media->i_length = p_item->i_duration; + p_media->i_length = input_item_GetDuration( p_item ); vlc_mutex_lock( &p_item->lock ); msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es ); @@ -334,127 +468,230 @@ static void MediaDel( vod_t *p_vod, vod_media_t *p_media ) msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path ); - while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] ); + vlc_mutex_lock( &p_sys->lock_media ); + TAB_REMOVE( p_sys->i_media, p_sys->media, p_media ); + vlc_mutex_unlock( &p_sys->lock_media ); + httpd_UrlDelete( p_media->p_rtsp_url ); - if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path ); - if( p_media->psz_rtsp_control ) free( p_media->psz_rtsp_control ); - TAB_REMOVE( p_sys->i_media, p_sys->media, p_media ); + while( p_media->i_rtsp > 0 ) + RtspClientDel( p_media, p_media->rtsp[0] ); + TAB_CLEAN( p_media->i_rtsp, p_media->rtsp ); + + free( p_media->psz_rtsp_path ); + free( p_media->psz_rtsp_control_v6 ); + free( p_media->psz_rtsp_control_v4 ); - while( p_media->i_es ) MediaDelES( p_vod, p_media, &p_media->es[0]->fmt ); + while( p_media->i_es ) + MediaDelES( p_vod, p_media, &p_media->es[0]->fmt ); + TAB_CLEAN( p_media->i_es, p_media->es ); vlc_mutex_destroy( &p_media->lock ); + + free( p_media->psz_session_name ); + free( p_media->psz_session_description ); + free( p_media->psz_session_url ); + free( p_media->psz_session_email ); + free( p_media->psz_mux ); free( p_media ); } static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt ) { - media_es_t *p_es = malloc( sizeof(media_es_t) ); char *psz_urlc; + media_es_t *p_es = calloc( 1, sizeof(media_es_t) ); + if( !p_es ) + return VLC_ENOMEM; - memset( p_es, 0, sizeof(media_es_t) ); + free( p_media->psz_mux ); p_media->psz_mux = NULL; /* TODO: update SDP, etc... */ - asprintf( &psz_urlc, "%s/trackid=%d", - p_media->psz_rtsp_path, p_media->i_es ); + if( asprintf( &psz_urlc, "%s/trackID=%d", + p_media->psz_rtsp_path, p_media->i_es ) < 0 ) + { + free( p_es ); + return VLC_ENOMEM; + } msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc ); switch( p_fmt->i_codec ) { - case VLC_FOURCC( 's', '1', '6', 'b' ): - if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 ) - { - p_es->i_payload_type = 11; - } - else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 ) - { - p_es->i_payload_type = 10; - } - else - { + case VLC_FOURCC( 's', '1', '6', 'b' ): + if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 ) + { + p_es->i_payload_type = 11; + } + else if( p_fmt->audio.i_channels == 2 && + p_fmt->audio.i_rate == 44100 ) + { + p_es->i_payload_type = 10; + } + else + { + p_es->i_payload_type = p_media->i_payload_type++; + } + if( asprintf( &p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate, + p_fmt->audio.i_channels ) == -1 ) + p_es->psz_rtpmap = NULL; + break; + case VLC_FOURCC( 'u', '8', ' ', ' ' ): p_es->i_payload_type = p_media->i_payload_type++; - } + if( asprintf( &p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate, + p_fmt->audio.i_channels ) == -1 ) + p_es->psz_rtpmap = NULL; + break; + case VLC_FOURCC( 'm', 'p', 'g', 'a' ): + case VLC_FOURCC( 'm', 'p', '3', ' ' ): + p_es->i_payload_type = 14; + p_es->psz_rtpmap = strdup( "MPA/90000" ); + break; + case VLC_FOURCC( 'm', 'p', 'g', 'v' ): + p_es->i_payload_type = 32; + p_es->psz_rtpmap = strdup( "MPV/90000" ); + break; + case VLC_FOURCC( 'a', '5', '2', ' ' ): + p_es->i_payload_type = p_media->i_payload_type++; + if( asprintf( &p_es->psz_rtpmap, "ac3/%d", p_fmt->audio.i_rate ) == -1 ) + p_es->psz_rtpmap = NULL; + break; + case VLC_FOURCC( 'H', '2', '6', '3' ): + p_es->i_payload_type = p_media->i_payload_type++; + p_es->psz_rtpmap = strdup( "H263-1998/90000" ); + break; + case VLC_FOURCC( 'h', '2', '6', '4' ): + p_es->i_payload_type = p_media->i_payload_type++; + p_es->psz_rtpmap = strdup( "H264/90000" ); + p_es->psz_fmtp = NULL; + /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */ + 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+1]; + + 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; + int i_size = 0; + + i_size = i_buffer; + for( i_offset = 4; 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_size = i_offset; + break; + } + } + if( i_nal_type == 7 ) + { + free( p_64_sps ); + p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 ); + sprintf_hexa( hexa, &p_buffer[5], 3 ); + } + else if( i_nal_type == 8 ) + { + free( p_64_pps ); + p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 ); + } + i_buffer -= i_size; + p_buffer += i_size; + } + /* */ + if( p_64_sps && p_64_pps ) + { + if( asprintf( &p_es->psz_fmtp, + "packetization-mode=1;profile-level-id=%s;" + "sprop-parameter-sets=%s,%s;", hexa, p_64_sps, + p_64_pps ) < 0 ) + { + free( p_64_sps ); + free( p_64_pps ); + free( psz_urlc ); + free( p_es ); + return VLC_ENOMEM; + } + } + free( p_64_sps ); + free( p_64_pps ); + } + if( !p_es->psz_fmtp ) + p_es->psz_fmtp = strdup( "packetization-mode=1" ); + break; + case VLC_FOURCC( 'm', 'p', '4', 'v' ): + p_es->i_payload_type = p_media->i_payload_type++; + p_es->psz_rtpmap = strdup( "MP4V-ES/90000" ); + if( p_fmt->i_extra > 0 ) + { + char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 ); + sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra ); + if( asprintf( &p_es->psz_fmtp, + "profile-level-id=3; config=%s;", p_hexa ) == -1 ) + p_es->psz_fmtp = NULL; + free( p_hexa ); + } + break; + case VLC_FOURCC( 'm', 'p', '4', 'a' ): + p_es->i_payload_type = p_media->i_payload_type++; + if( asprintf( &p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate ) == -1 ) + p_es->psz_rtpmap = NULL; + if( p_fmt->i_extra > 0 ) + { + char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 ); + sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra ); + if( asprintf( &p_es->psz_fmtp, + "streamtype=5; profile-level-id=15; mode=AAC-hbr; " + "config=%s; SizeLength=13;IndexLength=3; " + "IndexDeltaLength=3; Profile=1;", p_hexa ) == -1 ) + p_es->psz_fmtp = NULL; + free( p_hexa ); + } + break; + case VLC_FOURCC( 'm', 'p', '2', 't' ): + p_media->psz_mux = strdup("ts"); + p_es->i_payload_type = 33; + p_es->psz_rtpmap = strdup( "MP2T/90000" ); + break; + case VLC_FOURCC( 'm', 'p', '2', 'p' ): + p_media->psz_mux = strdup("ps"); + p_es->i_payload_type = p_media->i_payload_type++; + p_es->psz_rtpmap = strdup( "MP2P/90000" ); + break; + case VLC_FOURCC( 's', 'a', 'm', 'r' ): + p_es->i_payload_type = p_media->i_payload_type++; + p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ? + "AMR/8000/2" : "AMR/8000" ); + p_es->psz_fmtp = strdup( "octet-align=1" ); + break; + case VLC_FOURCC( 's', 'a', 'w', 'b' ): + p_es->i_payload_type = p_media->i_payload_type++; + p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ? + "AMR-WB/16000/2" : "AMR-WB/16000" ); + p_es->psz_fmtp = strdup( "octet-align=1" ); + break; - p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 ); - sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate, - p_fmt->audio.i_channels ); - break; - case VLC_FOURCC( 'u', '8', ' ', ' ' ): - p_es->i_payload_type = p_media->i_payload_type++; - p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 ); - sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate, - p_fmt->audio.i_channels ); - break; - case VLC_FOURCC( 'm', 'p', 'g', 'a' ): - p_es->i_payload_type = 14; - p_es->psz_rtpmap = strdup( "MPA/90000" ); - break; - case VLC_FOURCC( 'm', 'p', 'g', 'v' ): - p_es->i_payload_type = 32; - p_es->psz_rtpmap = strdup( "MPV/90000" ); - break; - case VLC_FOURCC( 'a', '5', '2', ' ' ): - p_es->i_payload_type = p_media->i_payload_type++; - p_es->psz_rtpmap = strdup( "ac3/90000" ); - break; - case VLC_FOURCC( 'H', '2', '6', '3' ): - p_es->i_payload_type = p_media->i_payload_type++; - p_es->psz_rtpmap = strdup( "H263-1998/90000" ); - break; - case VLC_FOURCC( 'm', 'p', '4', 'v' ): - p_es->i_payload_type = p_media->i_payload_type++; - p_es->psz_rtpmap = strdup( "MP4V-ES/90000" ); - if( p_fmt->i_extra > 0 ) - { - char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 ); - p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra ); - sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra ); - sprintf( p_es->psz_fmtp, - "profile-level-id=3; config=%s;", p_hexa ); - free( p_hexa ); - } - break; - case VLC_FOURCC( 'm', 'p', '4', 'a' ): - p_es->i_payload_type = p_media->i_payload_type++; - p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 ); - sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate ); - if( p_fmt->i_extra > 0 ) - { - char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 ); - p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra ); - sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra ); - sprintf( p_es->psz_fmtp, - "streamtype=5; profile-level-id=15; mode=AAC-hbr; " - "config=%s; SizeLength=13;IndexLength=3; " - "IndexDeltaLength=3; Profile=1;", p_hexa ); - free( p_hexa ); - } - break; - case VLC_FOURCC( 'm', 'p', '2', 't' ): - p_media->psz_mux = "ts"; - p_es->i_payload_type = 33; - p_es->psz_rtpmap = strdup( "MP2T/90000" ); - break; - case VLC_FOURCC( 'm', 'p', '2', 'p' ): - p_media->psz_mux = "ps"; - p_es->i_payload_type = p_media->i_payload_type++; - p_es->psz_rtpmap = strdup( "MP2P/90000" ); - break; - - default: - msg_Err( p_vod, "cannot add this stream (unsupported " - "codec: %4.4s)", (char*)&p_fmt->i_codec ); - free( p_es ); - return VLC_EGENERIC; + default: + msg_Err( p_vod, "cannot add this stream (unsupported " + "codec: %4.4s)", (char*)&p_fmt->i_codec ); + free( psz_urlc ); + free( p_es ); + return VLC_EGENERIC; } p_es->p_rtsp_url = - httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, 0, 0 ); + httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL, + NULL ); if( !p_es->p_rtsp_url ) { - msg_Err( p_vod, "cannot create http url (%s)", psz_urlc ); + msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc ); free( psz_urlc ); free( p_es ); return VLC_EGENERIC; @@ -513,7 +750,7 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt ) static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt) { - media_es_t *p_es = 0; + media_es_t *p_es = NULL; int i; /* Find the ES */ @@ -534,12 +771,123 @@ static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt) TAB_REMOVE( p_media->i_es, p_media->es, p_es ); vlc_mutex_unlock( &p_media->lock ); - if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap ); - if( p_es->psz_fmtp ) free( p_es->psz_fmtp ); + free( p_es->psz_rtpmap ); + free( p_es->psz_fmtp ); p_media->i_sdp_version++; if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url ); es_format_Clean( &p_es->fmt ); + free( p_es ); +} + +/* */ +typedef struct +{ + int i_type; + int i_media_id; + //vod_media_t *p_media; + char *psz_session; + char *psz_arg; + double f_arg; +} rtsp_cmd_t; + +static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session, + double f_arg, const char *psz_arg ) +{ + rtsp_cmd_t cmd; + block_t *p_cmd; + + memset( &cmd, 0, sizeof(cmd) ); + cmd.i_type = i_type; + if( p_media ) + cmd.i_media_id = p_media->id; + if( psz_session ) + cmd.psz_session = strdup(psz_session); + cmd.f_arg = f_arg; + if( psz_arg ) + cmd.psz_arg = strdup(psz_arg); + + p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) ); + memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) ); + + block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd ); +} + +static void* CommandThread( vlc_object_t *p_this ) +{ + vod_t *p_vod = (vod_t*)p_this; + vod_sys_t *p_sys = p_vod->p_sys; + int canc = vlc_savecancel (); + + while( vlc_object_alive (p_vod) ) + { + block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd ); + rtsp_cmd_t cmd; + vod_media_t *p_media = NULL; + int i; + + if( !p_block_cmd ) + break; + + memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) ); + block_Release( p_block_cmd ); + + if( cmd.i_type == RTSP_CMD_TYPE_NONE ) + break; + + /* */ + vlc_mutex_lock( &p_sys->lock_media ); + for( i = 0; i < p_sys->i_media; i++ ) + { + if( p_sys->media[i]->id == cmd.i_media_id ) + break; + } + if( i >= p_sys->i_media ) + goto next; + p_media = p_sys->media[i]; + + switch( cmd.i_type ) + { + case RTSP_CMD_TYPE_PLAY: + vod_MediaControl( p_vod, p_media, cmd.psz_session, + VOD_MEDIA_PLAY, cmd.psz_arg ); + break; + case RTSP_CMD_TYPE_PAUSE: + vod_MediaControl( p_vod, p_media, cmd.psz_session, + VOD_MEDIA_PAUSE ); + break; + + case RTSP_CMD_TYPE_STOP: + vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP ); + break; + + case RTSP_CMD_TYPE_SEEK: + vod_MediaControl( p_vod, p_media, cmd.psz_session, + VOD_MEDIA_SEEK, cmd.f_arg ); + break; + + case RTSP_CMD_TYPE_REWIND: + vod_MediaControl( p_vod, p_media, cmd.psz_session, + VOD_MEDIA_REWIND, cmd.f_arg ); + break; + + case RTSP_CMD_TYPE_FORWARD: + vod_MediaControl( p_vod, p_media, cmd.psz_session, + VOD_MEDIA_FORWARD, cmd.f_arg ); + break; + + default: + break; + } + + next: + vlc_mutex_unlock( &p_sys->lock_media ); + free( cmd.psz_session ); + free( cmd.psz_arg ); + } + + vlc_restorecancel (canc); + return NULL; } /**************************************************************************** @@ -547,28 +895,30 @@ static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt) ****************************************************************************/ static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session ) { - rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) ); - memset( p_rtsp, 0, sizeof(rtsp_client_t) ); + rtsp_client_t *p_rtsp = calloc( 1, sizeof(rtsp_client_t) ); + + if( !p_rtsp ) + return NULL; p_rtsp->es = 0; p_rtsp->psz_session = psz_session; TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp ); - msg_Dbg( p_media->p_vod, "new session: %s", psz_session ); + p_media->p_vod->p_sys->i_connections++; + msg_Dbg( p_media->p_vod, "new session: %s, connections: %d", + psz_session, p_media->p_vod->p_sys->i_throttle_users ); return p_rtsp; } -static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session ) +static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session ) { int i; for( i = 0; psz_session && i < p_media->i_rtsp; i++ ) { if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) ) - { return p_media->rtsp[i]; - } } return NULL; @@ -576,15 +926,17 @@ static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session ) static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp ) { - msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session ); + p_media->p_vod->p_sys->i_connections--; + msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d", + p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users ); - while( p_rtsp->i_es-- ) + while( p_rtsp->i_es ) { - if( p_rtsp->es[p_rtsp->i_es]->psz_ip ) - free( p_rtsp->es[p_rtsp->i_es]->psz_ip ); + p_rtsp->i_es--; + free( p_rtsp->es[p_rtsp->i_es]->psz_ip ); free( p_rtsp->es[p_rtsp->i_es] ); - if( !p_rtsp->i_es ) free( p_rtsp->es ); } + free( p_rtsp->es ); TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp ); @@ -592,69 +944,253 @@ static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp ) free( p_rtsp ); } + +static float ParseNPT (const char *str) +{ + locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL); + locale_t oldloc = uselocale (loc); + unsigned hour, min; + float sec; + + if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3) + sec += ((hour * 60) + min) * 60; + else + if (sscanf (str, "%f", &sec) != 1) + sec = 0.; + + if (loc != (locale_t)0) + { + uselocale (oldloc); + freelocale (loc); + } + return sec; +} + + static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl, - httpd_message_t *answer, httpd_message_t *query ) + httpd_message_t *answer, const httpd_message_t *query ) { vod_media_t *p_media = (vod_media_t*)p_args; vod_t *p_vod = p_media->p_vod; - char *psz_destination = p_media->psz_destination; - char *psz_session = NULL; + const char *psz_transport = NULL; + const char *psz_playnow = NULL; /* support option: x-playNow */ + const char *psz_session = NULL; + const char *psz_cseq = NULL; rtsp_client_t *p_rtsp; + int i_port = 0; + int i_cseq = 0; if( answer == NULL || query == NULL ) return VLC_SUCCESS; - fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type ); + msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type ); answer->i_proto = HTTPD_PROTO_RTSP; answer->i_version = query->i_version; answer->i_type = HTTPD_MSG_ANSWER; + answer->i_body = 0; + answer->p_body = NULL; switch( query->i_type ) { - case HTTPD_MSG_DESCRIBE: + case HTTPD_MSG_SETUP: { - char *psz_sdp = - SDPGenerate( p_media, psz_destination ? - psz_destination : "0.0.0.0" ); + psz_playnow = httpd_MsgGet( query, "x-playNow" ); + psz_transport = httpd_MsgGet( query, "Transport" ); + if( psz_transport == NULL ) + { + answer->i_status = 400; + break; + } + msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport ); - answer->i_status = 200; - answer->psz_status = strdup( "OK" ); - httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" ); + if( strstr( psz_transport, "unicast" ) && + strstr( psz_transport, "client_port=" ) ) + { + rtsp_client_t *p_rtsp = NULL; + char ip[NI_MAXNUMERICHOST]; + i_port = atoi( strstr( psz_transport, "client_port=" ) + + strlen("client_port=") ); - answer->p_body = psz_sdp; - answer->i_body = strlen( psz_sdp ); - break; + if( strstr( psz_transport, "MP2T/H2221/UDP" ) || + strstr( psz_transport, "RAW/RAW/UDP" ) ) + { + free( p_media->psz_mux ); + p_media->psz_mux = NULL; + p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux ); + p_media->b_raw = true; + } + + if( httpd_ClientIP( cl, ip ) == NULL ) + { + answer->i_status = 500; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + + msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d", + ip, i_port ); + + psz_session = httpd_MsgGet( query, "Session" ); + if( !psz_session || !*psz_session ) + { + char *psz_new; + if( ( p_vod->p_sys->i_throttle_users > 0 ) && + ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) ) + { + answer->i_status = 503; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + if( asprintf( &psz_new, "%d", rand() ) < 0 ) + return VLC_ENOMEM; + psz_session = psz_new; + + p_rtsp = RtspClientNew( p_media, psz_new ); + if( !p_rtsp ) + { + answer->i_status = 454; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + } + else + { + p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) + { + answer->i_status = 454; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + } + + answer->i_status = 200; + answer->i_body = 0; + answer->p_body = NULL; + + if( p_media->b_raw ) + { + if( strstr( psz_transport, "MP2T/H2221/UDP" ) ) + { + httpd_MsgAdd( answer, "Transport", + "MP2T/H2221/UDP;unicast;client_port=%d-%d", + i_port, i_port + 1 ); + } + else if( strstr( psz_transport, "RAW/RAW/UDP" ) ) + { + httpd_MsgAdd( answer, "Transport", + "RAW/RAW/UDP;unicast;client_port=%d-%d", + i_port, i_port + 1 ); + } + } + else + httpd_MsgAdd( answer, "Transport", + "RTP/AVP/UDP;unicast;client_port=%d-%d", + i_port, i_port + 1 ); + } + else /* TODO strstr( psz_transport, "interleaved" ) ) */ + { + answer->i_status = 461; + answer->i_body = 0; + answer->p_body = NULL; + } + + /* Intentional fall-through on x-playNow option in RTSP request */ + if( !psz_playnow ) + break; } case HTTPD_MSG_PLAY: { - char *psz_output, *ip; + char *psz_output, ip[NI_MAXNUMERICHOST]; int i, i_port_audio = 0, i_port_video = 0; /* for now only multicast so easy */ - answer->i_status = 200; - answer->psz_status = strdup( "OK" ); - answer->i_body = 0; - answer->p_body = NULL; + if( !psz_playnow ) + { + answer->i_status = 200; + answer->i_body = 0; + answer->p_body = NULL; + } - psz_session = httpd_MsgGet( query, "Session" ); + if( !psz_session ) + psz_session = httpd_MsgGet( query, "Session" ); msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session ); p_rtsp = RtspClientGet( p_media, psz_session ); - if( !p_rtsp ) break; + if( !p_rtsp ) + { + answer->i_status = 500; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + + if( p_rtsp->b_playing ) + { + const char *psz_position = httpd_MsgGet( query, "Range" ); + const char *psz_scale = httpd_MsgGet( query, "Scale" ); + if( psz_position ) + psz_position = strstr( psz_position, "npt=" ); + if( psz_position && !psz_scale ) + { + double f_pos = ParseNPT (psz_position + 4); + msg_Dbg( p_vod, "seeking request: %s", psz_position ); + f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100; + CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, + psz_session, f_pos, NULL ); + break; + } + if( psz_scale ) + { + double f_scale = 0.0; + char *end; + + f_scale = us_strtod( psz_scale, &end ); + if( end > psz_scale ) + { + f_scale = (f_scale * 30.0); + if( psz_scale[0] == '-' ) /* rewind */ + { + msg_Dbg( p_vod, "rewind request: %s", psz_scale ); + CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media, + psz_session, f_scale, NULL ); + } + else if(psz_scale[0] != '1' ) /* fast-forward */ + { + msg_Dbg( p_vod, "fastforward request: %s", + psz_scale ); + CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media, + psz_session, f_scale, NULL ); + } + + if( p_rtsp->b_paused == true ) + { + p_rtsp->b_paused = false; + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, + psz_session, 0, NULL ); + } + } + break; + } + } if( p_rtsp->b_playing && p_rtsp->b_paused ) { - vod_MediaControl( p_vod, p_media, psz_session, - VOD_MEDIA_PAUSE ); - p_rtsp->b_paused = VLC_FALSE; + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, + psz_session, 0, NULL ); + p_rtsp->b_paused = false; break; } else if( p_rtsp->b_playing ) break; - if( !(ip = httpd_ClientIP( cl )) ) break; + if( httpd_ClientIP( cl, ip ) == NULL ) break; - p_rtsp->b_playing = VLC_TRUE; + p_rtsp->b_playing = true; /* FIXME for != 1 video and 1 audio */ for( i = 0; i < p_rtsp->i_es; i++ ) @@ -667,19 +1203,55 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl, if( p_media->psz_mux ) { - asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}", - ip, i_port_video, p_media->psz_mux ); + if( p_media->b_raw ) + { + if( asprintf( &psz_output, + "std{access=udp,dst=%s:%i,mux=%s}", + ip, i_port, p_media->psz_mux ) < 0 ) + return VLC_ENOMEM; + } + else + { + if( asprintf( &psz_output, + "rtp{dst=%s,port=%i,mux=%s}", + ip, i_port_video, p_media->psz_mux ) < 0 ) + return VLC_ENOMEM; + } } else { - asprintf( &psz_output, "rtp{dst=%s,port-video=%i," - "port-audio=%i}", ip, i_port_video, i_port_audio ); + if( asprintf( &psz_output, + "rtp{dst=%s,port-video=%i,port-audio=%i}", + ip, i_port_video, i_port_audio ) < 0 ) + return VLC_ENOMEM; } - vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY, - psz_output ); + CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session, + 0, psz_output ); free( psz_output ); - free( ip ); + break; + } + + case HTTPD_MSG_DESCRIBE: + { + char *psz_sdp = + SDPGenerate( p_media, cl ); + + if( psz_sdp != NULL ) + { + answer->i_status = 200; + httpd_MsgAdd( answer, "Content-type", "%s", + "application/sdp" ); + + answer->p_body = (uint8_t *)psz_sdp; + answer->i_body = strlen( psz_sdp ); + } + else + { + answer->i_status = 500; + answer->p_body = NULL; + answer->i_body = 0; + } break; } @@ -690,11 +1262,11 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl, p_rtsp = RtspClientGet( p_media, psz_session ); if( !p_rtsp ) break; - vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE ); - p_rtsp->b_paused = VLC_TRUE; + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, + 0, NULL ); + p_rtsp->b_paused = true; answer->i_status = 200; - answer->psz_status = strdup( "OK" ); answer->i_body = 0; answer->p_body = NULL; break; @@ -702,7 +1274,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl, case HTTPD_MSG_TEARDOWN: /* for now only multicast so easy again */ answer->i_status = 200; - answer->psz_status = strdup( "OK" ); answer->i_body = 0; answer->p_body = NULL; @@ -712,141 +1283,203 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl, p_rtsp = RtspClientGet( p_media, psz_session ); if( !p_rtsp ) break; - vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP ); + CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, + 0, NULL ); RtspClientDel( p_media, p_rtsp ); break; + case HTTPD_MSG_GETPARAMETER: + answer->i_status = 200; + answer->i_body = 0; + answer->p_body = NULL; + break; + default: return VLC_EGENERIC; } httpd_MsgAdd( answer, "Server", "VLC Server" ); httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body ); - httpd_MsgAdd( answer, "Cseq", "%d", - atoi( httpd_MsgGet( query, "Cseq" ) ) ); + psz_cseq = httpd_MsgGet( query, "Cseq" ); + psz_cseq ? i_cseq = atoi( psz_cseq ) : 0; + httpd_MsgAdd( answer, "CSeq", "%d", i_cseq ); httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" ); if( psz_session ) { - httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session ); + if( p_media->p_vod->p_sys->i_session_timeout >= 0 ) + httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session, + p_media->p_vod->p_sys->i_session_timeout ); + else + httpd_MsgAdd( answer, "Session", "%s", psz_session ); } return VLC_SUCCESS; } static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl, - httpd_message_t *answer, httpd_message_t *query ) + httpd_message_t *answer, + const httpd_message_t *query ) { media_es_t *p_es = (media_es_t*)p_args; vod_media_t *p_media = p_es->p_media; vod_t *p_vod = p_media->p_vod; rtsp_client_t *p_rtsp = NULL; - char *psz_session = NULL; - char *psz_transport = NULL; - char *psz_position = NULL; + const char *psz_transport = NULL; + const char *psz_playnow = NULL; /* support option: x-playNow */ + const char *psz_session = NULL; + const char *psz_position = NULL; + const char *psz_cseq = NULL; + int i_cseq = 0; int i; if( answer == NULL || query == NULL ) return VLC_SUCCESS; - fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type ); + msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type ); answer->i_proto = HTTPD_PROTO_RTSP; answer->i_version = query->i_version; answer->i_type = HTTPD_MSG_ANSWER; + answer->i_body = 0; + answer->p_body = NULL; switch( query->i_type ) { - case HTTPD_MSG_SETUP: - psz_transport = httpd_MsgGet( query, "Transport" ); - fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport ); + case HTTPD_MSG_SETUP: + psz_playnow = httpd_MsgGet( query, "x-playNow" ); + psz_transport = httpd_MsgGet( query, "Transport" ); - if( strstr( psz_transport, "multicast" ) && p_media->psz_destination ) - { - fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" ); - answer->i_status = 200; - answer->psz_status = strdup( "OK" ); - answer->i_body = 0; - answer->p_body = NULL; + msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport ); - psz_session = httpd_MsgGet( query, "Session" ); - if( !psz_session || !*psz_session ) + if( strstr( psz_transport, "unicast" ) && + strstr( psz_transport, "client_port=" ) ) { - asprintf( &psz_session, "%d", rand() ); - } + rtsp_client_t *p_rtsp = NULL; + rtsp_client_es_t *p_rtsp_es = NULL; + char ip[NI_MAXNUMERICHOST]; + int i_port = atoi( strstr( psz_transport, "client_port=" ) + + strlen("client_port=") ); - httpd_MsgAdd( answer, "Transport", - "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d", - p_media->psz_destination, p_media->i_port, - p_media->i_port+1, p_media->i_ttl ); - } - else if( strstr( psz_transport, "unicast" ) && - strstr( psz_transport, "client_port=" ) ) - { - rtsp_client_t *p_rtsp; - rtsp_client_es_t *p_rtsp_es; - char *ip = httpd_ClientIP( cl ); - int i_port = atoi( strstr( psz_transport, "client_port=" ) + - strlen("client_port=") ); + if( httpd_ClientIP( cl, ip ) == NULL ) + { + answer->i_status = 500; + answer->i_body = 0; + answer->p_body = NULL; + break; + } - if( !ip ) - { - answer->i_status = 400; - answer->psz_status = strdup( "Internal server error" ); - answer->i_body = 0; - answer->p_body = NULL; - break; - } + msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d", + ip, i_port ); - fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", - ip, i_port ); + psz_session = httpd_MsgGet( query, "Session" ); + if( !psz_session || !*psz_session ) + { + char *psz_new; + if( ( p_vod->p_sys->i_throttle_users > 0 ) && + ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) ) + { + answer->i_status = 503; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + if( asprintf( &psz_new, "%d", rand() ) < 0 ) + return VLC_ENOMEM; + psz_session = psz_new; + + p_rtsp = RtspClientNew( p_media, psz_new ); + } + else + { + p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) + { + answer->i_status = 454; + answer->i_body = 0; + answer->p_body = NULL; + break; + } + } - psz_session = httpd_MsgGet( query, "Session" ); - if( !psz_session || !*psz_session ) - { - asprintf( &psz_session, "%d", rand() ); - p_rtsp = RtspClientNew( p_media, psz_session ); - } - else - { - p_rtsp = RtspClientGet( p_media, psz_session ); - if( !p_rtsp ) + p_rtsp_es = malloc( sizeof(rtsp_client_es_t) ); + if( !p_rtsp_es ) { - /* FIXME right error code */ - answer->i_status = 400; - answer->psz_status = strdup( "Unknown session id" ); + answer->i_status = 500; answer->i_body = 0; answer->p_body = NULL; - free( ip ); break; } + p_rtsp_es->i_port = i_port; + p_rtsp_es->psz_ip = strdup( ip ); + p_rtsp_es->p_media_es = p_es; + TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es ); + + answer->i_status = 200; + answer->i_body = 0; + answer->p_body = NULL; + + if( p_media->b_raw ) + { + if( strstr( psz_transport, "MP2T/H2221/UDP" ) ) + { + httpd_MsgAdd( answer, "Transport", + "MP2T/H2221/UDP;client_port=%d-%d", + p_rtsp_es->i_port, p_rtsp_es->i_port + 1 ); + } + else if( strstr( psz_transport, "RAW/RAW/UDP" ) ) + { + httpd_MsgAdd( answer, "Transport", + "RAW/RAW/UDP;client_port=%d-%d", + p_rtsp_es->i_port, p_rtsp_es->i_port + 1 ); + } + } + else + { + httpd_MsgAdd( answer, "Transport", + "RTP/AVP/UDP;client_port=%d-%d", + p_rtsp_es->i_port, p_rtsp_es->i_port + 1 ); + } + } + else /* TODO strstr( psz_transport, "interleaved" ) ) */ + { + answer->i_status = 461; + answer->i_body = 0; + answer->p_body = NULL; } - p_rtsp_es = malloc( sizeof(rtsp_client_es_t) ); - p_rtsp_es->i_port = i_port; - p_rtsp_es->psz_ip = strdup( ip ); - p_rtsp_es->p_media_es = p_es; - TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es ); + /* Intentional fall-through on x-playNow option in RTSP request */ + if( !psz_playnow ) + break; - answer->i_status = 200; - answer->psz_status = strdup( "OK" ); - answer->i_body = 0; - answer->p_body = NULL; + case HTTPD_MSG_PLAY: + /* This is kind of a kludge. Should we only support Aggregate + * Operations ? */ + psz_session = httpd_MsgGet( query, "Session" ); + msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session ); - httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d", - i_port, i_port + 1 ); - } - else /* TODO strstr( psz_transport, "interleaved" ) ) */ - { - answer->i_status = 400; - answer->psz_status = strdup( "Bad Request" ); - answer->i_body = 0; - answer->p_body = NULL; - } - break; + p_rtsp = RtspClientGet( p_media, psz_session ); + + psz_position = httpd_MsgGet( query, "Range" ); + if( psz_position ) psz_position = strstr( psz_position, "npt=" ); + if( psz_position ) + { + double f_pos = ParseNPT (psz_position + 4); + msg_Dbg( p_vod, "seeking request: %s", psz_position ); + f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100; + CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, + psz_session, f_pos, NULL ); + } + + if( !psz_playnow ) + { + answer->i_status = 200; + answer->i_body = 0; + answer->p_body = NULL; + } + break; case HTTPD_MSG_TEARDOWN: answer->i_status = 200; - answer->psz_status = strdup( "OK" ); answer->i_body = 0; answer->p_body = NULL; @@ -860,7 +1493,7 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl, { if( p_rtsp->es[i]->p_media_es == p_es ) { - if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip ); + free( p_rtsp->es[i]->psz_ip ); TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] ); break; } @@ -868,47 +1501,26 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl, if( !p_rtsp->i_es ) { - vod_MediaControl( p_vod, p_media, psz_session, - VOD_MEDIA_STOP ); + CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, + 0, NULL ); RtspClientDel( p_media, p_rtsp ); } break; - case HTTPD_MSG_PLAY: + case HTTPD_MSG_PAUSE: + /* This is kind of a kludge. Should we only support Aggregate + * Operations ? */ psz_session = httpd_MsgGet( query, "Session" ); - msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session ); + msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session ); p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) break; - psz_position = httpd_MsgGet( query, "Range" ); - if( psz_position ) psz_position = strstr( psz_position, "npt=" ); - if( psz_position ) - { - float f_pos; - - msg_Dbg( p_vod, "seeking request: %s", psz_position ); - - psz_position += 4; - if( sscanf( psz_position, "%f", &f_pos ) == 1 ) - { - f_pos /= ((float)(p_media->i_length/1000))/1000 / 100; - vod_MediaControl( p_vod, p_media, psz_session, - VOD_MEDIA_SEEK, (double)f_pos ); - } - } - - answer->i_status = 460; - answer->psz_status = strdup( "Only Aggregate Operation Allowed" ); - answer->i_body = 0; - answer->p_body = NULL; - break; - - case HTTPD_MSG_PAUSE: - psz_session = httpd_MsgGet( query, "Session" ); - msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session ); + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, + 0, NULL ); + p_rtsp->b_paused = true; - answer->i_status = 460; - answer->psz_status = strdup( "Only Aggregate Operation Allowed" ); + answer->i_status = 200; answer->i_body = 0; answer->p_body = NULL; break; @@ -920,14 +1532,16 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl, httpd_MsgAdd( answer, "Server", "VLC Server" ); httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body ); - httpd_MsgAdd( answer, "Cseq", "%d", - atoi( httpd_MsgGet( query, "Cseq" ) ) ); + psz_cseq = httpd_MsgGet( query, "Cseq" ); + if (psz_cseq) + i_cseq = atoi( psz_cseq ); + else + i_cseq = 0; + httpd_MsgAdd( answer, "Cseq", "%d", i_cseq ); httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" ); if( psz_session ) - { httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session ); - } return VLC_SUCCESS; } @@ -936,48 +1550,57 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl, * SDPGenerate: TODO * FIXME: need to be moved to a common place ? *****************************************************************************/ -static char *SDPGenerate( vod_media_t *p_media, char *psz_destination ) +static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl ) { int i, i_size; - char *p, *psz_sdp; + char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv; + const char *psz_control; - /* Calculate size */ - i_size = strlen( "v=0\r\n" ) + - strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 + - strlen( "s=*\r\n" ) + strlen( p_media->psz_session_name ) + - strlen( "i=*\r\n" ) + strlen( p_media->psz_session_description ) + - strlen( "u=*\r\n" ) + strlen( p_media->psz_session_url ) + - strlen( "e=*\r\n" ) + strlen( p_media->psz_session_email ) + - strlen( "t=0 0\r\n" ) + /* FIXME */ - strlen( "a=tool:"PACKAGE_STRING"\r\n" ) + - strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 + - strlen( psz_destination ? psz_destination : "0.0.0.0" ) + - strlen( "a=range:npt=0-1000000000.000\r\n" ); + if( httpd_ServerIP( cl, ip ) == NULL ) + return NULL; + + p = strchr( ip, '%' ); + if( p != NULL ) + *p = '\0'; /* remove scope if present */ + + ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4'; + /* Calculate size */ + i_size = sizeof( "v=0\r\n" ) + + sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST + + sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) + + sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) + + sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) + + sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) + + sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 + + sizeof( "t=0 0\r\n" ) + /* FIXME */ + sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) + + sizeof( "a=range:npt=0-1000000000.000\r\n" ); + + psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6 + : p_media->psz_rtsp_control_v4; for( i = 0; i < p_media->i_es; i++ ) { media_es_t *p_es = p_media->es[i]; - i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10; + i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19; if( p_es->psz_rtpmap ) { - i_size += strlen( "a=rtpmap:* *\r\n" ) + - strlen( p_es->psz_rtpmap ) + 10; + i_size += sizeof( "a=rtpmap:* *\r\n" ) + + strlen( p_es->psz_rtpmap ) + 9; } if( p_es->psz_fmtp ) { - i_size += strlen( "a=fmtp:* *\r\n" ) + - strlen( p_es->psz_fmtp ) + 10; + i_size += sizeof( "a=fmtp:* *\r\n" ) + + strlen( p_es->psz_fmtp ) + 9; } - - i_size += strlen( "a=control:*/trackid=*\r\n" ) + - strlen( p_media->psz_rtsp_control ) + 10; } + i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es; p = psz_sdp = malloc( i_size ); p += sprintf( p, "v=0\r\n" ); - p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n", - p_media->i_sdp_id, p_media->i_sdp_version ); + p += sprintf( p, "o=- %"PRId64" %d IN IP%c %s\r\n", + p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip ); if( *p_media->psz_session_name ) p += sprintf( p, "s=%s\r\n", p_media->psz_session_name ); if( *p_media->psz_session_description ) @@ -987,15 +1610,16 @@ static char *SDPGenerate( vod_media_t *p_media, char *psz_destination ) if( *p_media->psz_session_email ) p += sprintf( p, "e=%s\r\n", p_media->psz_session_email ); + p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" ); p += sprintf( p, "t=0 0\r\n" ); /* FIXME */ p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" ); - p += sprintf( p, "c=IN IP4 %s/%d\r\n", psz_destination ? - psz_destination : "0.0.0.0", p_media->i_ttl ); - if( p_media->i_length > 0 ) - p += sprintf( p, "a=range:npt=0-%.3f\r\n", - ((float)(p_media->i_length/1000))/1000 ); + { + lldiv_t d = lldiv( p_media->i_length / 1000, 1000 ); + p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot, + (unsigned)d.rem ); + } for( i = 0; i < p_media->i_es; i++ ) { @@ -1027,10 +1651,8 @@ static char *SDPGenerate( vod_media_t *p_media, char *psz_destination ) p_es->psz_fmtp ); } - p += sprintf( p, "a=control:%s/trackid=%d\r\n", - p_media->psz_rtsp_control, i ); + p += sprintf( p, psz_control, ip, i ); } - fprintf( stderr, psz_sdp ); return psz_sdp; }