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* Allow all MJPEG fourcc
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* Announce content-length
* Allow  boundary string customization
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Clément Stenac committed Feb 26, 2005
1 parent 29f9b9b commit 67099af
Showing 1 changed file with 57 additions and 10 deletions.
67 changes: 57 additions & 10 deletions modules/mux/mpjpeg.c
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Original file line number Diff line number Diff line change
Expand Up @@ -29,17 +29,27 @@
#include <vlc/vlc.h>
#include <vlc/sout.h>

#define SEPARATOR "\r\n--This Random String\r\n" \
"Content-Type: image/jpeg\r\n\r\n"
#define SEPARATOR_TEXT N_( "Multipart separator string" )
#define SEPARATOR_LONGTEXT N_( "Multipart strings like MPJPEG use a " \
"separator string betwen content pieces. "\
"You can select this string. Default is "\
"--myboundary" )


#define CONTENT_TYPE "Content-Type: image/jpeg"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );

#define SOUT_CFG_PREFIX "sout-mpjpeg-"

vlc_module_begin();
set_description( _("Multipart jpeg muxer") );
set_capability( "sout mux", 5 );
add_string( SOUT_CFG_PREFIX "separator", "--myboundary", NULL,
SEPARATOR_TEXT, SEPARATOR_LONGTEXT, VLC_TRUE );
set_category( CAT_SOUT );
set_subcategory( SUBCAT_SOUT_MUX );
set_callbacks( Open, Close );
Expand All @@ -49,6 +59,8 @@ vlc_module_end();
/*****************************************************************************
* Exported prototypes
*****************************************************************************/
static const char *ppsz_sout_options[] = { "separator", NULL };

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 * );
Expand All @@ -65,21 +77,31 @@ struct sout_mux_sys_t
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
int i_size;
sout_mux_t *p_mux = (sout_mux_t*)p_this;
sout_mux_sys_t *p_sys;
char *psz_separator_block, *psz_separator;

msg_Dbg( p_mux, "Multipart jpeg muxer opened" );

p_sys = p_mux->p_sys = malloc( sizeof(sout_mux_sys_t) );
p_sys->b_send_headers = VLC_TRUE;

psz_separator = var_CreateGetString( p_mux, SOUT_CFG_PREFIX "separator" );
i_size = strlen( psz_separator ) + 2 + 2 + 2 + strlen( CONTENT_TYPE );
psz_separator_block = (char*)malloc( i_size );
sprintf( psz_separator_block, "\r\n%s\r\n%s\r\n", psz_separator,
CONTENT_TYPE );
p_sys->p_separator = block_New( p_mux, i_size );
memcpy( p_sys->p_separator->p_buffer, psz_separator_block , i_size );

if( psz_separator_block ) free( psz_separator_block );

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 );

return VLC_SUCCESS;
}

Expand Down Expand Up @@ -133,7 +155,13 @@ 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_FOURCC('M','J','P','G') &&
p_input->p_fmt->i_codec != VLC_FOURCC('m','j','p','g') &&
p_input->p_fmt->i_codec != VLC_FOURCC('j','p','e','g') &&
p_input->p_fmt->i_codec != VLC_FOURCC('J','P','E','G') &&
p_input->p_fmt->i_codec != VLC_FOURCC('J','F','I','F') &&
p_input->p_fmt->i_codec != VLC_FOURCC('J','P','G','L') &&
p_input->p_fmt->i_codec != VLC_FOURCC('m','j','p','a') )
{
return VLC_EGENERIC;
}
Expand All @@ -152,14 +180,27 @@ 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;
/* Content-Length:.......\r\n */
char psz_content_length[25];

if( p_sys->b_send_headers )
{
block_t *p_header = block_New( p_mux, sizeof(SEPARATOR) - 3);
memcpy( p_header->p_buffer, &SEPARATOR[2], sizeof(SEPARATOR) - 3 );
block_t *p_header;
char *psz_separator = var_CreateGetString( p_mux,
SOUT_CFG_PREFIX "separator" );
char *psz_separator_block = (char *)malloc( strlen( psz_separator ) +
2 + strlen( CONTENT_TYPE ) );

sprintf( psz_separator_block, "%s\r\n%s\r\n", psz_separator,
CONTENT_TYPE );

p_header = block_New( p_mux, strlen( psz_separator_block ) );
memcpy( p_header->p_buffer, psz_separator_block ,
strlen( psz_separator_block ) );
p_header->i_flags |= BLOCK_FLAG_HEADER;
sout_AccessOutWrite( p_mux->p_access, p_header );
p_sys->b_send_headers = VLC_FALSE;
if( psz_separator_block ) free( psz_separator_block );
}

if( !p_mux->i_nb_inputs ) return VLC_SUCCESS;
Expand All @@ -168,9 +209,15 @@ static int Mux( sout_mux_t *p_mux )
i_count = p_fifo->i_depth;
while( i_count > 0 )
{
block_t *p_length = block_New( p_mux, 25 );
block_t *p_data = block_FifoGet( p_fifo );
sout_AccessOutWrite( p_mux->p_access,
block_Duplicate( p_sys->p_separator ) );
memset( psz_content_length, 0, 25 );
snprintf( psz_content_length, 25, "Content-Length: %i\r\n\r\n",
p_data->i_buffer );
memcpy( p_length->p_buffer, psz_content_length, 25 );
sout_AccessOutWrite( p_mux->p_access, p_length );
sout_AccessOutWrite( p_mux->p_access, p_data );

i_count--;
Expand Down

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