X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fmisc%2Frtsp.c;h=9f28f013b175364f16f89d4375bda71a7e4bc3d2;hb=cc10207a6de5466bf6bfedcd8a3073c7a0f1224a;hp=7e3919aa0bbd105904a5063daf79f7c034001762;hpb=613e970f5c859b629dcce0899d3eba4bb1eb67c6;p=vlc diff --git a/modules/misc/rtsp.c b/modules/misc/rtsp.c index 7e3919aa0b..9f28f013b1 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 +19,30 @@ * * 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 "vlc_httpd.h" #include "vlc_vod.h" -#include "network.h" +#include "vlc_url.h" +#include +#include +#include + +#include /***************************************************************************** * Module descriptor @@ -43,96 +50,200 @@ 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." ) + "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( _("RTSP VoD" ) ); 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 ); + add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT, + RAWMUX_TEXT, VLC_TRUE ); + add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT, + THROTLE_LONGTEXT, VLC_TRUE ); + add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT, + SESSION_TIMEOUT_LONGTEXT, VLC_TRUE ); vlc_module_end(); /***************************************************************************** * Exported prototypes *****************************************************************************/ +typedef struct media_es_t media_es_t; + +typedef struct +{ + media_es_t *p_media_es; + char *psz_ip; + int i_port; + +} rtsp_client_es_t; + 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 */ + + int i_es; + rtsp_client_es_t **es; } rtsp_client_t; -typedef struct +struct media_es_t { /* VoD server */ vod_t *p_vod; /* RTSP server */ - httpd_url_t *p_rtsp_url; + httpd_url_t *p_rtsp_url; vod_media_t *p_media; -} media_es_t; + es_format_t fmt; + int i_port; + uint8_t i_payload_type; + char *psz_rtpmap; + char *psz_fmtp; + +}; 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; int i_ttl; + int i_payload_type; + + int64_t i_sdp_id; + int i_sdp_version; + + vlc_bool_t b_multicast; + + vlc_mutex_t lock; /* ES list */ int i_es; media_es_t **es; + char *psz_mux; + vlc_bool_t b_raw; /* RTSP client */ int i_rtsp; rtsp_client_t **rtsp; + + /* Infos */ + char *psz_session_name; + char *psz_session_description; + char *psz_session_url; + char *psz_session_email; + mtime_t i_length; }; 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 *, void *needsomethingthere ); +/* 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 * ); -static int RtspCallbackId( 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 *, 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 ) +{ + static const char hex[16] = "0123456789abcdef"; + int i; + + for( i = 0; i < i_data; i++ ) + { + s[2*i+0] = hex[(p_data[i]>>4)&0xf]; + s[2*i+1] = hex[(p_data[i] )&0xf]; + } + s[2*i_data] = '\0'; +} /***************************************************************************** * Open: Starts the RTSP server module @@ -146,48 +257,67 @@ static int Open( vlc_object_t *p_this ) 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_vod, &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( p_vod ); + if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread, + VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) ) + { + 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; } @@ -199,52 +329,120 @@ 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, void *needsomethinghere ) +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) ); - memset( p_media, 0, sizeof(vod_media_t) ); + int i; - asprintf( &p_media->psz_rtsp_path, "%s%i", p_sys->psz_path, - p_sys->i_media ); + if( !p_media ) + { + msg_Err( p_vod, "not enough memory" ); + return NULL; + } + memset( p_media, 0, sizeof(vod_media_t) ); + p_media->id = p_sys->i_media_id++; + TAB_INIT( p_media->i_es, p_media->es ); + p_media->psz_mux = 0; + TAB_INIT( p_media->i_rtsp, p_media->rtsp ); + p_media->b_raw = VLC_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" ); + msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path); free( p_media->psz_rtsp_path ); free( p_media ); + 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 ) + 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 ) + 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 ); + p_media->psz_session_name = strdup(""); + p_media->psz_session_description = strdup(""); + p_media->psz_session_url = strdup(""); + p_media->psz_session_email = strdup(""); + + p_media->i_port_audio = 1234; + p_media->i_port_video = 1236; + p_media->i_port = 1238; + p_media->i_payload_type = 96; + + p_media->i_sdp_id = mdate(); + p_media->i_sdp_version = 1; + 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 ); + for( i = 0; i < p_item->i_es; i++ ) + { + MediaAddES( p_vod, p_media, p_item->es[i] ); + } + vlc_mutex_unlock( &p_item->lock ); return p_media; } @@ -253,63 +451,408 @@ static void MediaDel( vod_t *p_vod, vod_media_t *p_media ) { vod_sys_t *p_sys = p_vod->p_sys; - while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] ); - 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 ); + msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path ); + 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 ); + + while( p_media->i_rtsp > 0 ) + RtspClientDel( p_media, p_media->rtsp[0] ); + TAB_CLEAN( p_media->i_rtsp, p_media->rtsp ); + + httpd_UrlDelete( p_media->p_rtsp_url ); + 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 ); + 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; + + if( !p_es ) return VLC_ENOMEM; memset( p_es, 0, sizeof(media_es_t) ); - TAB_APPEND( p_media->i_es, p_media->es, p_es ); + free( p_media->psz_mux ); + p_media->psz_mux = NULL; /* TODO: update SDP, etc... */ + if( asprintf( &psz_urlc, "%s/trackID=%d", + p_media->psz_rtsp_path, p_media->i_es ) < 0 ) + return VLC_ENOMEM; + msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc ); - if( p_media->p_rtsp_url ) + switch( p_fmt->i_codec ) { - char psz_urlc[strlen( p_media->psz_rtsp_control ) + 1 + 10]; + 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++; + } + 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( '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 ) + { + 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 ) + { + 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 ) + 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 ); + 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 = 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; - sprintf( psz_urlc, "%s/trackid=%d", - p_media->psz_rtsp_path, p_media->i_es ); - fprintf( stderr, "rtsp: adding %s\n", psz_urlc ); + default: + msg_Err( p_vod, "cannot add this stream (unsupported " + "codec: %4.4s)", (char*)&p_fmt->i_codec ); + free( p_es ); + return VLC_EGENERIC; + } - p_es->p_rtsp_url = - httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, 0, 0 ); + p_es->p_rtsp_url = + 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 RTSP url (%s)", psz_urlc ); + free( psz_urlc ); + free( p_es ); + return VLC_EGENERIC; + } + free( psz_urlc ); + + httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP, + RtspCallbackES, (void*)p_es ); + httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN, + RtspCallbackES, (void*)p_es ); + httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY, + RtspCallbackES, (void*)p_es ); + httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE, + RtspCallbackES, (void*)p_es ); + + es_format_Copy( &p_es->fmt, p_fmt ); + p_es->p_vod = p_vod; + p_es->p_media = p_media; - if( p_es->p_rtsp_url ) - { - httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP, - RtspCallbackId, (void*)p_es ); #if 0 - httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY, - RtspCallback, (void*)p_es ); - httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE, - RtspCallback, (void*)p_es ); -#endif + /* Choose the port */ + if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 ) + { + p_es->i_port = p_media->i_port_audio; + p_media->i_port_audio = 0; + } + else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 ) + { + p_es->i_port = p_media->i_port_video; + p_media->i_port_video = 0; + } + while( !p_es->i_port ) + { + if( p_media->i_port != p_media->i_port_audio && + p_media->i_port != p_media->i_port_video ) + { + p_es->i_port = p_media->i_port; + p_media->i_port += 2; + break; } + p_media->i_port += 2; } +#else - p_es->p_vod = p_vod; - p_es->p_media = p_media; + p_es->i_port = 0; +#endif + + vlc_mutex_lock( &p_media->lock ); + TAB_APPEND( p_media->i_es, p_media->es, p_es ); + vlc_mutex_unlock( &p_media->lock ); + + p_media->i_sdp_version++; return VLC_SUCCESS; } 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 */ + for( i = 0; i < p_media->i_es; i++ ) + { + if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat && + p_media->es[i]->fmt.i_codec == p_fmt->i_codec && + p_media->es[i]->fmt.i_id == p_fmt->i_id ) + { + p_es = p_media->es[i]; + } + } + if( !p_es ) return; + + msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec ); + + vlc_mutex_lock( &p_media->lock ); TAB_REMOVE( p_media->i_es, p_media->es, p_es ); + vlc_mutex_unlock( &p_media->lock ); - /* TODO do something useful */ + 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; + + while( !p_vod->b_die ) + { + 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 ); + } } /**************************************************************************** @@ -317,95 +860,346 @@ 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 *rtsp = malloc( sizeof(rtsp_client_t) ); + rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) ); - rtsp->psz_session = psz_session; - rtsp->i_last = 0; - rtsp->b_playing = VLC_FALSE; + if( !p_rtsp ) return NULL; + memset( p_rtsp, 0, sizeof(rtsp_client_t) ); + p_rtsp->es = 0; - TAB_APPEND( p_media->i_rtsp, p_media->rtsp, rtsp ); + 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 rtsp; + 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; i < p_media->i_rtsp; 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; } -static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *rtsp ) +static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp ) { - msg_Dbg( p_media->p_vod, "closing session: %s", 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 ); - TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, rtsp ); + while( 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( rtsp->psz_session ); - free( rtsp ); + TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp ); + + free( p_rtsp->psz_session ); + free( p_rtsp ); } 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 = VLC_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;client_port=%d-%d", + i_port, i_port + 1 ); + } + else if( strstr( psz_transport, "RAW/RAW/UDP" ) ) + { + httpd_MsgAdd( answer, "Transport", + "RAW/RAW/UDP;client_port=%d-%d", + i_port, i_port + 1 ); + } + } + else + 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 = 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: { - rtsp_client_t *rtsp; + 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 ); - rtsp = RtspClientGet( p_media, psz_session ); - if( rtsp && !rtsp->b_playing ) + p_rtsp = RtspClientGet( p_media, psz_session ); + 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; + char *end; + + msg_Dbg( p_vod, "seeking request: %s", psz_position ); + psz_position += 4; + /* FIXME: npt= is not necessarily formatted as a float */ + f_pos = us_strtod( psz_position, &end ); + if( end > 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 == VLC_TRUE ) + { + p_rtsp->b_paused = VLC_FALSE; + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, + psz_session, 0, NULL ); + } + } + break; + } + } + + if( p_rtsp->b_playing && p_rtsp->b_paused ) + { + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, + psz_session, 0, NULL ); + p_rtsp->b_paused = VLC_FALSE; + break; + } + else if( p_rtsp->b_playing ) break; + + if( httpd_ClientIP( cl, ip ) == NULL ) break; + + p_rtsp->b_playing = VLC_TRUE; + + /* FIXME for != 1 video and 1 audio */ + for( i = 0; i < p_rtsp->i_es; i++ ) + { + if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES ) + i_port_audio = p_rtsp->es[i]->i_port; + if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES ) + i_port_video = p_rtsp->es[i]->i_port; + } + + if( 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 + { + if( asprintf( &psz_output, + "rtp{dst=%s,port-video=%i,port-audio=%i}", + ip, i_port_video, i_port_audio ) < 0 ) + return VLC_ENOMEM; + } + + CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session, + 0, psz_output ); + free( psz_output ); + 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 { - rtsp->b_playing = VLC_TRUE; - /* TODO: do something useful */ + answer->i_status = 500; + answer->p_body = NULL; + answer->i_body = 0; } break; } @@ -413,30 +1207,41 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl, case HTTPD_MSG_PAUSE: psz_session = httpd_MsgGet( query, "Session" ); msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session ); - /* TODO: do something useful */ - return VLC_EGENERIC; - case HTTPD_MSG_TEARDOWN: - { - rtsp_client_t *rtsp; + p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) break; + + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, + 0, NULL ); + p_rtsp->b_paused = VLC_TRUE; + answer->i_status = 200; + answer->i_body = 0; + answer->p_body = NULL; + break; + + 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; psz_session = httpd_MsgGet( query, "Session" ); msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session); - rtsp = RtspClientGet( p_media, psz_session ); - if( rtsp ) - { - /* TODO: do something useful */ - RtspClientDel( p_media, rtsp ); - } + p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) break; + + 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; @@ -444,120 +1249,239 @@ static int RtspCallback( 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" ); + 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 RtspCallbackId( httpd_callback_sys_t *p_args, httpd_client_t *cl, - httpd_message_t *answer, httpd_message_t *query ) +static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl, + httpd_message_t *answer, + const httpd_message_t *query ) { - vod_media_t *p_media = (vod_media_t*)p_args; + 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; - char *psz_session = NULL; - char *psz_transport = NULL; + rtsp_client_t *p_rtsp = 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=" ) ) { - if( psz_session ) free( psz_session ); - 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 *rtsp = NULL; - 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; + } + + msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d", + ip, i_port ); - if( !ip ) + 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; + } + } + + p_rtsp_es = malloc( sizeof(rtsp_client_es_t) ); + if( !p_rtsp_es ) + { + answer->i_status = 500; + answer->i_body = 0; + answer->p_body = NULL; + 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 = 400; - answer->psz_status = strdup( "Internal server error" ); + answer->i_status = 461; answer->i_body = 0; answer->p_body = NULL; - break; } - fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", - ip, i_port ); + /* Intentional fall-through on x-playNow option in RTSP request */ + if( !psz_playnow ) + break; + case HTTPD_MSG_PLAY: + /* This is kind of a kludge. Should we only support Aggregate + * Operations ? */ psz_session = httpd_MsgGet( query, "Session" ); - if( !psz_session || !*psz_session ) - { - if( psz_session ) free( psz_session ); - asprintf( &psz_session, "%d", rand() ); - rtsp = RtspClientNew( p_media, psz_session ); - } - else + msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session ); + + 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 ) { - rtsp = RtspClientGet( p_media, psz_session ); - if( !rtsp ) + double f_pos; + char *end; + + msg_Dbg( p_vod, "seeking request: %s", psz_position ); + + psz_position += 4; + /* FIXME: npt= is not necessarily formatted as a float */ + f_pos = us_strtod( psz_position, &end ); + if( end > psz_position ) { - /* FIXME right error code */ - answer->i_status = 400; - answer->psz_status = strdup( "Unknown session id" ); - answer->i_body = 0; - answer->p_body = NULL; - free( ip ); - break; + f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100; + CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, + psz_session, f_pos, NULL ); } } - /* TODO: do something useful */ + 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; - 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" ); + psz_session = httpd_MsgGet( query, "Session" ); + msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session); + + p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) break; + + for( i = 0; i < p_rtsp->i_es; i++ ) + { + if( p_rtsp->es[i]->p_media_es == p_es ) + { + free( p_rtsp->es[i]->psz_ip ); + TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] ); + break; + } + } + + if( !p_rtsp->i_es ) + { + CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, + 0, NULL ); + RtspClientDel( p_media, p_rtsp ); + } + break; + + 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_PAUSE for session: %s", psz_session ); + + p_rtsp = RtspClientGet( p_media, psz_session ); + if( !p_rtsp ) break; + + CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, + 0, NULL ); + p_rtsp->b_paused = VLC_TRUE; + + answer->i_status = 200; answer->i_body = 0; answer->p_body = NULL; - } - break; + break; default: return VLC_EGENERIC; @@ -566,14 +1490,16 @@ static int RtspCallbackId( 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; } @@ -582,7 +1508,109 @@ static int RtspCallbackId( 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 ) { - return strdup( "" ); + int i, i_size; + char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv; + const char *psz_control; + + 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 += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19; + if( p_es->psz_rtpmap ) + { + i_size += sizeof( "a=rtpmap:* *\r\n" ) + + strlen( p_es->psz_rtpmap ) + 9; + } + if( p_es->psz_fmtp ) + { + i_size += sizeof( "a=fmtp:* *\r\n" ) + + strlen( p_es->psz_fmtp ) + 9; + } + } + 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 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 ) + p += sprintf( p, "i=%s\r\n", p_media->psz_session_description ); + if( *p_media->psz_session_url ) + p += sprintf( p, "u=%s\r\n", p_media->psz_session_url ); + 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" ); + + if( p_media->i_length > 0 ) + { + 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++ ) + { + media_es_t *p_es = p_media->es[i]; + + if( p_es->fmt.i_cat == AUDIO_ES ) + { + p += sprintf( p, "m=audio %d RTP/AVP %d\r\n", + p_es->i_port, p_es->i_payload_type ); + } + else if( p_es->fmt.i_cat == VIDEO_ES ) + { + p += sprintf( p, "m=video %d RTP/AVP %d\r\n", + p_es->i_port, p_es->i_payload_type ); + } + else + { + continue; + } + + if( p_es->psz_rtpmap ) + { + p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type, + p_es->psz_rtpmap ); + } + if( p_es->psz_fmtp ) + { + p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type, + p_es->psz_fmtp ); + } + + p += sprintf( p, psz_control, ip, i ); + } + + return psz_sdp; }