X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fmux%2Fmpjpeg.c;h=1de2ec4cbe4774a494931613af5b5a17c00da41c;hb=152b1687c0ec112f3ab1360006d048d6b9cf7258;hp=b29e985b6bf488ee7aba47551cca228ca553ccbc;hpb=37666a1180a10af296fa59b6243aca38fa23127c;p=vlc diff --git a/modules/mux/mpjpeg.c b/modules/mux/mpjpeg.c index b29e985b6b..1de2ec4cbe 100644 --- a/modules/mux/mpjpeg.c +++ b/modules/mux/mpjpeg.c @@ -1,10 +1,10 @@ /***************************************************************************** * mpjpeg.c: mime multipart jpeg muxer module for vlc ***************************************************************************** - * Copyright (C) 2001, 2002 VideoLAN - * $Id: dummy.c 7047 2004-03-11 17:37:50Z fenrir $ + * Copyright (C) 2001, 2002, 2006 the VideoLAN team + * $Id$ * - * Authors: Sigmund Augdal + * Authors: Sigmund Augdal Helberg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,45 +18,52 @@ * * 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 -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include -#define SEPARATOR "\n--This Random String\n" \ - "Content-Type: image/jpeg\n\n" /***************************************************************************** * Module descriptor *****************************************************************************/ static int Open ( vlc_object_t * ); static void Close ( vlc_object_t * ); -vlc_module_begin(); - set_description( _("Multipart jpeg muxer") ); - set_capability( "sout mux", 5 ); - set_callbacks( Open, Close ); - add_shortcut( "mpjpeg" ); -vlc_module_end(); +#define SOUT_CFG_PREFIX "sout-mpjpeg-" + +vlc_module_begin () + set_shortname( "MPJPEG" ) + set_description( N_("Multipart JPEG muxer") ) + set_capability( "sout mux", 5 ) + add_obsolete_string( SOUT_CFG_PREFIX "separator" ) + set_category( CAT_SOUT ) + set_subcategory( SUBCAT_SOUT_MUX ) + set_callbacks( Open, Close ) + add_shortcut( "mpjpeg" ) +vlc_module_end () /***************************************************************************** * Exported prototypes *****************************************************************************/ -static int Capability(sout_mux_t *, int, void *, void * ); -static int AddStream( sout_mux_t *, sout_input_t * ); -static int DelStream( sout_mux_t *, sout_input_t * ); -static int Mux ( sout_mux_t * ); +static int Control ( sout_mux_t *, int, va_list ); +static int AddStream( sout_mux_t *, sout_input_t * ); +static int DelStream( sout_mux_t *, sout_input_t * ); +static int Mux ( sout_mux_t * ); -struct sout_mux_sys_t -{ - block_t *p_separator; - vlc_bool_t b_send_headers; -}; +/* This pseudo-random sequence is unlikely to ever happen */ +/* This should be the same as in src/network/httpd.c */ +#define BOUNDARY "7b3cc56e5f51db803f790dad720ed50a" /***************************************************************************** * Open: @@ -64,19 +71,14 @@ struct sout_mux_sys_t static int Open( vlc_object_t *p_this ) { sout_mux_t *p_mux = (sout_mux_t*)p_this; - sout_mux_sys_t *p_sys; msg_Dbg( p_mux, "Multipart jpeg muxer opened" ); - p_mux->pf_capacity = Capability; + p_mux->pf_control = Control; p_mux->pf_addstream = AddStream; p_mux->pf_delstream = DelStream; p_mux->pf_mux = Mux; - - p_sys = p_mux->p_sys = malloc( sizeof(sout_mux_sys_t) ); - p_sys->b_send_headers = VLC_TRUE; - p_sys->p_separator = block_New( p_mux, sizeof(SEPARATOR) - 1 ); - memcpy( p_sys->p_separator->p_buffer, SEPARATOR, sizeof(SEPARATOR) - 1 ); + p_mux->p_sys = NULL; return VLC_SUCCESS; } @@ -87,24 +89,36 @@ static int Open( vlc_object_t *p_this ) static void Close( vlc_object_t * p_this ) { - sout_mux_t *p_mux = (sout_mux_t*)p_this; - sout_mux_sys_t *p_sys = p_mux->p_sys; - - msg_Dbg( p_mux, "Multipart jpeg muxer closed" ); - block_Release( p_sys->p_separator ); - free( p_sys ); + /* TODO: send the ending boundary ("\r\n--"BOUNDARY"--\r\n"), + * but is the access_output still useable?? */ + msg_Dbg( p_this, "Multipart jpeg muxer closed" ); } -static int Capability( sout_mux_t *p_mux, int i_query, - void *p_args, void *p_answer ) +static int Control( sout_mux_t *p_mux, int i_query, va_list args ) { + VLC_UNUSED(p_mux); + bool *pb_bool; + char **ppsz; + switch( i_query ) { - case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME: - *(vlc_bool_t*)p_answer = VLC_TRUE; - return SOUT_MUX_CAP_ERR_OK; + case MUX_CAN_ADD_STREAM_WHILE_MUXING: + pb_bool = (bool*)va_arg( args, bool * ); + *pb_bool = true; + return VLC_SUCCESS; + + case MUX_GET_ADD_STREAM_WAIT: + pb_bool = (bool*)va_arg( args, bool * ); + *pb_bool = true; + return VLC_SUCCESS; + + case MUX_GET_MIME: + ppsz = (char**)va_arg( args, char ** ); + *ppsz = strdup( "multipart/x-mixed-replace; boundary="BOUNDARY ); + return VLC_SUCCESS; + default: - return SOUT_MUX_CAP_ERR_UNIMPLEMENTED; + return VLC_EGENERIC; } } @@ -117,16 +131,15 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input ) } msg_Dbg( p_mux, "adding input" ); - if( p_input->p_fmt->i_codec != VLC_FOURCC('M','J','P','G') ) - { + if( p_input->p_fmt->i_codec != VLC_CODEC_MJPG ) return VLC_EGENERIC; - } return VLC_SUCCESS; } static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input ) { + VLC_UNUSED(p_input); msg_Dbg( p_mux, "removing input" ); return VLC_SUCCESS; } @@ -134,30 +147,33 @@ static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input ) static int Mux( sout_mux_t *p_mux ) { block_fifo_t *p_fifo; - sout_mux_sys_t *p_sys = p_mux->p_sys; - int i_count; - - if( p_sys->b_send_headers ) - { - block_t *p_header = block_New( p_mux, sizeof(SEPARATOR) - 2); - memcpy( p_header->p_buffer, &SEPARATOR[1], sizeof(SEPARATOR) - 2 ); - p_header->i_flags |= BLOCK_FLAG_HEADER; - sout_AccessOutWrite( p_mux->p_access, p_header ); - p_sys->b_send_headers = VLC_FALSE; - } if( !p_mux->i_nb_inputs ) return VLC_SUCCESS; p_fifo = p_mux->pp_inputs[0]->p_fifo; - i_count = p_fifo->i_depth; - while( i_count > 0 ) + + while( block_FifoCount( p_fifo ) > 0 ) { + static const char psz_hfmt[] = "\r\n" + "--"BOUNDARY"\r\n" + "Content-Type: image/jpeg\r\n" + "Content-Length: %zu\r\n" + "\r\n"; block_t *p_data = block_FifoGet( p_fifo ); - sout_AccessOutWrite( p_mux->p_access, - block_Duplicate( p_sys->p_separator ) ); - sout_AccessOutWrite( p_mux->p_access, p_data ); + block_t *p_header = block_New( p_mux, sizeof( psz_hfmt ) + 20 ); + + if( p_header == NULL ) /* uho! */ + { + block_Release( p_data ); + continue; + } - i_count--; + p_header->i_buffer = + snprintf( (char *)p_header->p_buffer, p_header->i_buffer, + psz_hfmt, p_data->i_buffer ); + p_header->i_flags |= BLOCK_FLAG_HEADER; + sout_AccessOutWrite( p_mux->p_access, p_header ); + sout_AccessOutWrite( p_mux->p_access, p_data ); } return VLC_SUCCESS;