videolan/vlc
1
Fork 0
mirror of https://code.videolan.org/videolan/vlc synced 2024-08-10 19:05:07 +02:00
Code Releases Activity

* modules/stream_out/transcode.c: New --sout-transcode-max-width and

Browse Source 
--sout-transcode-maxheight options, recommended to enforcea particular
   level of a video codec. Fixed --sout-transcode-fps when used in
   conjunction with --sout-transcode-threads=1.
This commit is contained in:
Christophe Massiot 2005-08-12 15:51:18 +00:00
parent c44bd3a829
commit 265e634c74
1 changed files with 50 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
modules/stream_out/transcode.c
View File

@ -73,6 +73,12 @@
#define HEIGHT_TEXT N_("Video height")
#define HEIGHT_LONGTEXT N_( \
"Allows you to specify the output video height." )
#define MAXWIDTH_TEXT N_("Maximum video width")
#define MAXWIDTH_LONGTEXT N_( \
"Allows you to specify a maximum output video width." )
#define MAXHEIGHT_TEXT N_("Maximum video height")
#define MAXHEIGHT_LONGTEXT N_( \
"Allows you to specify a maximum output video height." )
#define VFILTER_TEXT N_("Video filter")
#define VFILTER_LONGTEXT N_( \
"Allows you to specify video filters used after the video " \
@ -188,6 +194,10 @@ vlc_module_begin();
WIDTH_LONGTEXT, VLC_TRUE );
add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
HEIGHT_LONGTEXT, VLC_TRUE );
add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
MAXWIDTH_LONGTEXT, VLC_TRUE );
add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
MAXHEIGHT_LONGTEXT, VLC_TRUE );
add_module_list_cat( SOUT_CFG_PREFIX "vfilter", SUBCAT_VIDEO_VFILTER,
NULL, NULL,
VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
@ -243,7 +253,7 @@ static const char *ppsz_sout_options[] = {
"scale", "fps", "width", "height", "vfilter", "deinterlace",
"deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
"samplerate", "channels", "senc", "scodec", "soverlay", "sfilter",
"osd", "audio-sync", "high-priority", NULL
"osd", "audio-sync", "high-priority", "maxwidth", "maxheight", NULL
};
/*****************************************************************************
@ -328,8 +338,8 @@ struct sout_stream_sys_t
int i_vbitrate;
double f_scale;
double f_fps;
int i_width;
int i_height;
unsigned int i_width, i_maxwidth;
unsigned int i_height, i_maxheight;
vlc_bool_t b_deinterlace;
char *psz_deinterlace;
sout_cfg_t *p_deinterlace_cfg;
@ -489,6 +499,12 @@ static int Open( vlc_object_t *p_this )
var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
p_sys->i_height = val.i_int;
var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
p_sys->i_maxwidth = val.i_int;
var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
p_sys->i_maxheight = val.i_int;
var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
p_sys->i_vfilters = 0;
if( val.psz_string && *val.psz_string )
@ -1534,6 +1550,13 @@ static int transcode_video_encoder_open( sout_stream_t *p_stream,
id->p_encoder->fmt_out.video.i_height / (double)i_height * i_width;
}
if( p_sys->i_maxwidth
&& id->p_encoder->fmt_out.video.i_width > p_sys->i_maxwidth )
id->p_encoder->fmt_out.video.i_width = p_sys->i_maxwidth;
if( p_sys->i_maxheight
&& id->p_encoder->fmt_out.video.i_height > p_sys->i_maxheight )
id->p_encoder->fmt_out.video.i_height = p_sys->i_maxheight;
/* Make sure the size is at least a multiple of 2 */
id->p_encoder->fmt_out.video.i_width =
(id->p_encoder->fmt_out.video.i_width + 1) >> 1 << 1;
@ -1689,7 +1712,7 @@ static int transcode_video_process( sout_stream_t *p_stream,
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
int i_duplicate = 1, i;
picture_t *p_pic;
picture_t *p_pic, *p_pic2 = NULL;
*out = NULL;
while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
@ -1937,17 +1960,7 @@ static int transcode_video_process( sout_stream_t *p_stream,
p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic);
}
if( p_sys->i_threads >= 1 )
{
vlc_mutex_lock( &p_sys->lock_out );
p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
p_sys->i_last_pic %= PICTURE_RING_SIZE;
*out = p_sys->p_buffers;
p_sys->p_buffers = NULL;
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
}
else
if( p_sys->i_threads == 0 )
{
block_t *p_block;
p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
@ -1982,17 +1995,11 @@ static int transcode_video_process( sout_stream_t *p_stream,
if( p_sys->i_threads >= 1 )
{
/* We can't modify the picture, we need to duplicate it */
picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
if( p_tmp != NULL )
p_pic2 = video_new_buffer_decoder( id->p_decoder );
if( p_pic2 != NULL )
{
vout_CopyPicture( p_stream, p_tmp, p_pic );
p_pic = p_tmp;
vlc_mutex_lock( &p_sys->lock_out );
p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
p_sys->i_last_pic %= PICTURE_RING_SIZE;
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
vout_CopyPicture( p_stream, p_pic2, p_pic );
p_pic2->date = i_pts;
}
}
else
@ -2005,7 +2012,25 @@ static int transcode_video_process( sout_stream_t *p_stream,
}
if( p_sys->i_threads == 0 )
{
p_pic->pf_release( p_pic );
}
else
{
vlc_mutex_lock( &p_sys->lock_out );
p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
p_sys->i_last_pic %= PICTURE_RING_SIZE;
*out = p_sys->p_buffers;
p_sys->p_buffers = NULL;
if( p_pic2 != NULL )
{
p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
p_sys->i_last_pic %= PICTURE_RING_SIZE;
}
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
}
}
return VLC_SUCCESS;