Commit f720c4c9 authored by Laurent Aimar's avatar Laurent Aimar

Improved a bit deinterlace video filter2.

It now supports I422 and discard mode.
parent f9cbf5e6
......@@ -103,8 +103,8 @@ static void CloseFilter( vlc_object_t *p_this );
/*****************************************************************************
* Callback prototypes
*****************************************************************************/
static int FilterCallback ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int FilterCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
* Module descriptor
......@@ -321,6 +321,43 @@ static void SetFilterMethod( vout_thread_t *p_vout, char *psz_method )
msg_Dbg( p_vout, "using %s deinterlace method", psz_method );
}
static void GetOutputFormat( vout_thread_t *p_vout,
video_format_t *p_dst, const video_format_t *p_src )
{
*p_dst = *p_src;
if( p_vout->p_sys->b_half_height )
{
p_dst->i_height /= 2;
p_dst->i_visible_height /= 2;
p_dst->i_y_offset /= 2;
p_dst->i_sar_den *= 2;
}
if( p_src->i_chroma == VLC_FOURCC('I','4','2','2') )
{
switch( p_vout->p_sys->i_mode )
{
case DEINTERLACE_MEAN:
case DEINTERLACE_LINEAR:
case DEINTERLACE_X:
p_dst->i_chroma = VLC_FOURCC('I','4','2','2');
break;
default:
p_dst->i_chroma = VLC_FOURCC('I','4','2','0');
break;
}
}
}
static bool IsChromaSupported( vlc_fourcc_t i_chroma )
{
return i_chroma == VLC_FOURCC('I','4','2','0') ||
i_chroma == VLC_FOURCC('I','Y','U','V') ||
i_chroma == VLC_FOURCC('Y','V','1','2') ||
i_chroma == VLC_FOURCC('I','4','2','2');
}
/*****************************************************************************
* Init: initialize Deinterlace video thread output method
*****************************************************************************/
......@@ -331,25 +368,16 @@ static int Init( vout_thread_t *p_vout )
I_OUTPUTPICTURES = 0;
if( !IsChromaSupported( p_vout->render.i_chroma ) )
return VLC_EGENERIC; /* unknown chroma */
/* Initialize the output structure, full of directbuffers since we want
* the decoder to output directly to our structures. */
switch( p_vout->render.i_chroma )
{
case VLC_FOURCC('I','4','2','0'):
case VLC_FOURCC('I','Y','U','V'):
case VLC_FOURCC('Y','V','1','2'):
case VLC_FOURCC('I','4','2','2'):
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_vout->fmt_out = p_vout->fmt_in;
break;
default:
return VLC_EGENERIC; /* unknown chroma */
break;
}
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_vout->fmt_out = p_vout->fmt_in;
/* Try to open the real video output */
p_vout->p_sys->p_vout = SpawnRealVout( p_vout );
......@@ -378,47 +406,12 @@ static int Init( vout_thread_t *p_vout )
*****************************************************************************/
static vout_thread_t *SpawnRealVout( vout_thread_t *p_vout )
{
vout_thread_t *p_real_vout = NULL;
video_format_t fmt;
memset( &fmt, 0, sizeof( video_format_t ) );
msg_Dbg( p_vout, "spawning the real video output" );
fmt = p_vout->fmt_out;
if( p_vout->p_sys->b_half_height )
{
fmt.i_height /= 2; fmt.i_visible_height /= 2; fmt.i_y_offset /= 2;
fmt.i_sar_den *= 2;
}
switch( p_vout->render.i_chroma )
{
case VLC_FOURCC('I','4','2','0'):
case VLC_FOURCC('I','Y','U','V'):
case VLC_FOURCC('Y','V','1','2'):
p_real_vout = vout_Create( p_vout, &fmt );
break;
case VLC_FOURCC('I','4','2','2'):
switch( p_vout->p_sys->i_mode )
{
case DEINTERLACE_MEAN:
case DEINTERLACE_LINEAR:
case DEINTERLACE_X:
fmt.i_chroma = VLC_FOURCC('I','4','2','2');
break;
default:
fmt.i_chroma = VLC_FOURCC('I','4','2','0');
break;
}
p_real_vout = vout_Create( p_vout, &fmt );
break;
default:
break;
}
video_format_t fmt;
GetOutputFormat( p_vout, &fmt, &p_vout->fmt_out );
return p_real_vout;
return vout_Create( p_vout, &fmt );
}
/*****************************************************************************
......@@ -1766,17 +1759,15 @@ static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic )
/* Request output picture */
p_pic_dst = filter_NewPicture( p_filter );
if( p_pic_dst == NULL )
return p_pic;
{
picture_Release( p_pic );
return NULL;
}
switch( p_vout->p_sys->i_mode )
{
case DEINTERLACE_DISCARD:
#if 0
RenderDiscard( p_vout, p_pic_dst, p_pic, 0 );
#endif
msg_Err( p_vout, "discarding lines is not supported yet" );
picture_Release( p_pic_dst );
return p_pic;
break;
case DEINTERLACE_BOB:
......@@ -1793,8 +1784,8 @@ static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic )
#endif
msg_Err( p_vout, "doubling the frame rate is not supported yet" );
picture_Release( p_pic_dst );
return p_pic;
break;
picture_Release( p_pic );
return NULL;
case DEINTERLACE_MEAN:
RenderMean( p_vout, p_pic_dst, p_pic );
......@@ -1825,13 +1816,8 @@ static int OpenFilter( vlc_object_t *p_this )
vout_thread_t *p_vout;
vlc_value_t val;
if( ( p_filter->fmt_in.video.i_chroma != VLC_FOURCC('I','4','2','0') &&
p_filter->fmt_in.video.i_chroma != VLC_FOURCC('I','Y','U','V') &&
p_filter->fmt_in.video.i_chroma != VLC_FOURCC('Y','V','1','2') ) ||
p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma )
{
if( !IsChromaSupported( p_filter->fmt_in.video.i_chroma ) )
return VLC_EGENERIC;
}
/* Impossible to use VLC_OBJECT_VOUT here because it would be used
* by spu filters */
......@@ -1843,17 +1829,29 @@ static int OpenFilter( vlc_object_t *p_this )
config_ChainParse( p_filter, FILTER_CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
var_Get( p_filter, FILTER_CFG_PREFIX "mode", &val );
var_Create( p_filter, "deinterlace-mode", VLC_VAR_STRING );
var_Set( p_filter, "deinterlace-mode", val );
free( val.psz_string );
if ( Create( VLC_OBJECT(p_vout) ) != VLC_SUCCESS )
if( Create( VLC_OBJECT(p_vout) ) != VLC_SUCCESS )
{
vlc_object_detach( p_vout );
vlc_object_release( p_vout );
return VLC_EGENERIC;
}
video_format_t fmt;
GetOutputFormat( p_vout, &fmt, &p_filter->fmt_in.video );
if( !p_filter->b_allow_fmt_out_change &&
( fmt.i_chroma != p_filter->fmt_in.video.i_chroma ||
fmt.i_height != p_filter->fmt_in.video.i_height ) )
{
CloseFilter( VLC_OBJECT(p_filter) );
return VLC_EGENERIC;
}
p_filter->fmt_out.video = fmt;
p_filter->fmt_out.i_codec = fmt.i_chroma;
p_filter->pf_video_filter = Deinterlace;
msg_Dbg( p_filter, "deinterlacing" );
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment