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https://code.videolan.org/videolan/vlc
synced 2024-09-16 16:02:54 +02:00
* Allow all MJPEG fourcc
* Announce content-length * Allow boundary string customization
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commit
67099af7b4
@ -29,17 +29,27 @@
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#include <vlc/vlc.h>
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#include <vlc/sout.h>
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#define SEPARATOR "\r\n--This Random String\r\n" \
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"Content-Type: image/jpeg\r\n\r\n"
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#define SEPARATOR_TEXT N_( "Multipart separator string" )
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#define SEPARATOR_LONGTEXT N_( "Multipart strings like MPJPEG use a " \
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"separator string betwen content pieces. "\
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"You can select this string. Default is "\
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"--myboundary" )
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#define CONTENT_TYPE "Content-Type: image/jpeg"
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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#define SOUT_CFG_PREFIX "sout-mpjpeg-"
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vlc_module_begin();
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set_description( _("Multipart jpeg muxer") );
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set_capability( "sout mux", 5 );
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add_string( SOUT_CFG_PREFIX "separator", "--myboundary", NULL,
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SEPARATOR_TEXT, SEPARATOR_LONGTEXT, VLC_TRUE );
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set_category( CAT_SOUT );
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set_subcategory( SUBCAT_SOUT_MUX );
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set_callbacks( Open, Close );
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@ -49,6 +59,8 @@ vlc_module_end();
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/*****************************************************************************
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* Exported prototypes
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*****************************************************************************/
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static const char *ppsz_sout_options[] = { "separator", NULL };
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static int Control ( sout_mux_t *, int, va_list );
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static int AddStream( sout_mux_t *, sout_input_t * );
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static int DelStream( sout_mux_t *, sout_input_t * );
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@ -65,21 +77,31 @@ struct sout_mux_sys_t
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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int i_size;
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys;
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char *psz_separator_block, *psz_separator;
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msg_Dbg( p_mux, "Multipart jpeg muxer opened" );
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p_sys = p_mux->p_sys = malloc( sizeof(sout_mux_sys_t) );
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p_sys->b_send_headers = VLC_TRUE;
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psz_separator = var_CreateGetString( p_mux, SOUT_CFG_PREFIX "separator" );
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i_size = strlen( psz_separator ) + 2 + 2 + 2 + strlen( CONTENT_TYPE );
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psz_separator_block = (char*)malloc( i_size );
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sprintf( psz_separator_block, "\r\n%s\r\n%s\r\n", psz_separator,
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CONTENT_TYPE );
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p_sys->p_separator = block_New( p_mux, i_size );
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memcpy( p_sys->p_separator->p_buffer, psz_separator_block , i_size );
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if( psz_separator_block ) free( psz_separator_block );
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p_mux->pf_control = Control;
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p_mux->pf_addstream = AddStream;
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p_mux->pf_delstream = DelStream;
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p_mux->pf_mux = Mux;
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p_sys = p_mux->p_sys = malloc( sizeof(sout_mux_sys_t) );
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p_sys->b_send_headers = VLC_TRUE;
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p_sys->p_separator = block_New( p_mux, sizeof(SEPARATOR) - 1 );
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memcpy( p_sys->p_separator->p_buffer, SEPARATOR, sizeof(SEPARATOR) - 1 );
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return VLC_SUCCESS;
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}
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@ -133,7 +155,13 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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}
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msg_Dbg( p_mux, "adding input" );
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if( p_input->p_fmt->i_codec != VLC_FOURCC('M','J','P','G') )
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if( p_input->p_fmt->i_codec != VLC_FOURCC('M','J','P','G') &&
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p_input->p_fmt->i_codec != VLC_FOURCC('m','j','p','g') &&
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p_input->p_fmt->i_codec != VLC_FOURCC('j','p','e','g') &&
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p_input->p_fmt->i_codec != VLC_FOURCC('J','P','E','G') &&
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p_input->p_fmt->i_codec != VLC_FOURCC('J','F','I','F') &&
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p_input->p_fmt->i_codec != VLC_FOURCC('J','P','G','L') &&
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p_input->p_fmt->i_codec != VLC_FOURCC('m','j','p','a') )
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{
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return VLC_EGENERIC;
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}
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@ -152,14 +180,27 @@ static int Mux( sout_mux_t *p_mux )
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block_fifo_t *p_fifo;
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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int i_count;
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/* Content-Length:.......\r\n */
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char psz_content_length[25];
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if( p_sys->b_send_headers )
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{
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block_t *p_header = block_New( p_mux, sizeof(SEPARATOR) - 3);
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memcpy( p_header->p_buffer, &SEPARATOR[2], sizeof(SEPARATOR) - 3 );
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block_t *p_header;
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char *psz_separator = var_CreateGetString( p_mux,
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SOUT_CFG_PREFIX "separator" );
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char *psz_separator_block = (char *)malloc( strlen( psz_separator ) +
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2 + strlen( CONTENT_TYPE ) );
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sprintf( psz_separator_block, "%s\r\n%s\r\n", psz_separator,
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CONTENT_TYPE );
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p_header = block_New( p_mux, strlen( psz_separator_block ) );
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memcpy( p_header->p_buffer, psz_separator_block ,
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strlen( psz_separator_block ) );
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p_header->i_flags |= BLOCK_FLAG_HEADER;
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sout_AccessOutWrite( p_mux->p_access, p_header );
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p_sys->b_send_headers = VLC_FALSE;
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if( psz_separator_block ) free( psz_separator_block );
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}
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if( !p_mux->i_nb_inputs ) return VLC_SUCCESS;
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@ -168,9 +209,15 @@ static int Mux( sout_mux_t *p_mux )
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i_count = p_fifo->i_depth;
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while( i_count > 0 )
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{
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block_t *p_length = block_New( p_mux, 25 );
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block_t *p_data = block_FifoGet( p_fifo );
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sout_AccessOutWrite( p_mux->p_access,
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block_Duplicate( p_sys->p_separator ) );
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memset( psz_content_length, 0, 25 );
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snprintf( psz_content_length, 25, "Content-Length: %i\r\n\r\n",
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p_data->i_buffer );
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memcpy( p_length->p_buffer, psz_content_length, 25 );
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sout_AccessOutWrite( p_mux->p_access, p_length );
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sout_AccessOutWrite( p_mux->p_access, p_data );
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i_count--;
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