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vlc-gpu
Commit 6b6c8bb7 authored by Laurent Aimar's avatar Laurent Aimar
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Use the yuvp video filter to overlay YUVP.

parent 524baf8c
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Showing with 114 additions and 69 deletions
src/video_output/vout_subpictures.c
View file @ 6b6c8bb7
......@@ -70,6 +70,11 @@ struct filter_owner_sys_t
#define SCALE_UNIT (1000)
#define VLC_FOURCC_YUVP VLC_FOURCC('Y','U','V','P')
#define VLC_FOURCC_YUVA VLC_FOURCC('Y','U','V','A')
#define VLC_FOURCC_RGBA VLC_FOURCC('R','G','B','A')
#define VLC_FOURCC_TEXT VLC_FOURCC('T','E','X','T')
/* */
struct subpicture_region_private_t
{
......@@ -262,7 +267,7 @@ subpicture_region_t *__spu_CreateRegion( vlc_object_t *p_this,
return NULL;
/* FIXME is that *really* wanted? */
if( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') )
if( p_fmt->i_chroma == VLC_FOURCC_YUVP )
p_fmt->p_palette = calloc( 1, sizeof(video_palette_t) );
else
p_fmt->p_palette = NULL; /* XXX and that above all? */
......@@ -275,7 +280,7 @@ subpicture_region_t *__spu_CreateRegion( vlc_object_t *p_this,
p_region->p_style = NULL;
p_region->p_picture = NULL;
if( p_fmt->i_chroma == VLC_FOURCC('T','E','X','T') )
if( p_fmt->i_chroma == VLC_FOURCC_TEXT )
return p_region;
p_region->p_picture = picture_New( p_fmt->i_chroma, p_fmt->i_width, p_fmt->i_height,
......@@ -485,7 +490,8 @@ static void SpuRenderCreateBlend( spu_t *p_spu, vlc_fourcc_t i_chroma, int i_asp
/* */
vlc_object_attach( p_blend, p_spu );
}
static void SpuRenderUpdateBlend( spu_t *p_spu, int i_out_width, int i_out_height, const video_format_t *p_in_fmt )
static void SpuRenderUpdateBlend( spu_t *p_spu, int i_out_width, int i_out_height,
const video_format_t *p_in_fmt )
{
filter_t *p_blend = p_spu->p_blend;
......@@ -552,7 +558,9 @@ static void SpuRenderCreateAndLoadText( spu_t *p_spu )
p_text->p_module = module_Need( p_text, "text renderer", NULL, false );
}
static filter_t *CreateAndLoadScale( vlc_object_t *p_obj, vlc_fourcc_t i_chroma )
static filter_t *CreateAndLoadScale( vlc_object_t *p_obj,
vlc_fourcc_t i_src_chroma, vlc_fourcc_t i_dst_chroma,
bool b_resize )
{
filter_t *p_scale;
......@@ -562,14 +570,14 @@ static filter_t *CreateAndLoadScale( vlc_object_t *p_obj, vlc_fourcc_t i_chroma
return NULL;
es_format_Init( &p_scale->fmt_in, VIDEO_ES, 0 );
p_scale->fmt_in.video.i_chroma = i_chroma;
p_scale->fmt_in.video.i_chroma = i_src_chroma;
p_scale->fmt_in.video.i_width =
p_scale->fmt_in.video.i_height = 32;
es_format_Init( &p_scale->fmt_out, VIDEO_ES, 0 );
p_scale->fmt_out.video.i_chroma = i_chroma;
p_scale->fmt_out.video.i_chroma = i_dst_chroma;
p_scale->fmt_out.video.i_width =
p_scale->fmt_out.video.i_height = 16;
p_scale->fmt_out.video.i_height = b_resize ? 16 : 32;
p_scale->pf_vout_buffer_new = spu_new_video_buffer;
p_scale->pf_vout_buffer_del = spu_del_video_buffer;
......@@ -581,18 +589,23 @@ static filter_t *CreateAndLoadScale( vlc_object_t *p_obj, vlc_fourcc_t i_chroma
}
static void SpuRenderCreateAndLoadScale( spu_t *p_spu )
{
/* FIXME: We'll also be using it for YUVA and RGBA blending ... */
assert( !p_spu->p_scale );
assert( !p_spu->p_scale_yuvp );
p_spu->p_scale = CreateAndLoadScale( VLC_OBJECT(p_spu), VLC_FOURCC('Y','U','V','A') );
p_spu->p_scale_yuvp = p_spu->p_scale_yuvp = CreateAndLoadScale( VLC_OBJECT(p_spu), VLC_FOURCC('Y','U','V','P') );
/* XXX p_spu->p_scale is used for all conversion/scaling except yuvp to
* yuva/rgba */
p_spu->p_scale = CreateAndLoadScale( VLC_OBJECT(p_spu),
VLC_FOURCC_YUVA, VLC_FOURCC_YUVA, true );
/* This one is used for YUVP to YUVA/RGBA without scaling
* FIXME rename it */
p_spu->p_scale_yuvp = CreateAndLoadScale( VLC_OBJECT(p_spu),
VLC_FOURCC_YUVP, VLC_FOURCC_YUVA, false );
}
static void SpuRenderText( spu_t *p_spu, bool *pb_rerender_text,
subpicture_t *p_subpic, subpicture_region_t *p_region, int i_min_scale_ratio )
subpicture_t *p_subpic, subpicture_region_t *p_region,
int i_min_scale_ratio )
{
assert( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') );
assert( p_region->fmt.i_chroma == VLC_FOURCC_TEXT );
if( !p_spu->p_text || !p_spu->p_text->p_module )
goto exit;
......@@ -919,7 +932,6 @@ static void SpuRenderRegion( spu_t *p_spu,
bool b_restore_format = false;
int i_x_offset;
int i_y_offset;
filter_t *p_scale;
video_format_t region_fmt;
picture_t *p_region_picture;
......@@ -930,14 +942,14 @@ static void SpuRenderRegion( spu_t *p_spu,
*p_area = spu_area_create( 0,0, 0,0, scale_size );
/* Render text region */
if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
if( p_region->fmt.i_chroma == VLC_FOURCC_TEXT )
{
const int i_min_scale_ratio = SCALE_UNIT; /* FIXME what is the right value? (scale_size is not) */
SpuRenderText( p_spu, &b_rerender_text, p_subpic, p_region, i_min_scale_ratio );
b_restore_format = b_rerender_text;
/* Check if the rendering has failed ... */
if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
if( p_region->fmt.i_chroma == VLC_FOURCC_TEXT )
goto exit;
}
......@@ -945,9 +957,10 @@ static void SpuRenderRegion( spu_t *p_spu,
* FIXME b_force_palette and b_force_crop are applied to all subpictures using palette
* instead of only the right one (being the dvd spu).
*/
const bool b_using_palette = p_region->fmt.i_chroma == VLC_FOURCC('Y','U','V','P');
const bool b_using_palette = p_region->fmt.i_chroma == VLC_FOURCC_YUVP;
const bool b_force_palette = b_using_palette && p_spu->b_force_palette;
const bool b_force_crop = b_force_palette && p_spu->b_force_crop;
bool b_changed_palette = false;
/* Compute the margin which is expressed in destination pixel unit
......@@ -971,9 +984,11 @@ static void SpuRenderRegion( spu_t *p_spu,
/* Handle overlapping subtitles when possible */
if( p_subpic->b_subtitle && !p_subpic->b_absolute )
{
spu_area_t display = spu_area_create( 0, 0, p_fmt->i_width, p_fmt->i_height, spu_scale_unit() );
spu_area_t display = spu_area_create( 0, 0, p_fmt->i_width, p_fmt->i_height,
spu_scale_unit() );
SpuAreaFixOverlap( p_area, &display, p_subtitle_area, i_subtitle_area, p_region->i_align );
SpuAreaFixOverlap( p_area, &display, p_subtitle_area, i_subtitle_area,
p_region->i_align );
}
/* Fix the position for the current scale_size */
......@@ -983,12 +998,26 @@ static void SpuRenderRegion( spu_t *p_spu,
/* */
if( b_force_palette )
{
/* It looks so wrong I won't comment
* p_palette->palette is [256][4] with a int i_entries
* p_spu->palette is [4][4]
* */
p_region->fmt.p_palette->i_entries = 4;
memcpy( p_region->fmt.p_palette->palette, p_spu->palette, 4*sizeof(uint32_t) );
video_palette_t *p_palette = p_region->fmt.p_palette;
video_palette_t palette;
/* We suppose DVD palette here */
palette.i_entries = 4;
for( int i = 0; i < 4; i++ )
for( int j = 0; j < 4; j++ )
palette.palette[i][j] = p_spu->palette[i][j];
if( p_palette->i_entries == palette.i_entries )
{
for( int i = 0; i < p_palette->i_entries; i++ )
for( int j = 0; j < 4; j++ )
b_changed_palette |= p_palette->palette[i][j] != palette.palette[i][j];
}
else
{
b_changed_palette = true;
}
*p_palette = palette;
}
/* */
......@@ -997,20 +1026,14 @@ static void SpuRenderRegion( spu_t *p_spu,
/* Scale from rendered size to destination size */
p_scale = b_using_palette ? p_spu->p_scale_yuvp : p_spu->p_scale;
if( p_scale &&
( scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT || b_force_palette ) )
if( p_spu->p_scale && p_spu->p_scale->p_module &&
( !b_using_palette || ( p_spu->p_scale_yuvp && p_spu->p_scale_yuvp->p_module ) ) &&
( scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT || b_using_palette ) )
{
const unsigned i_dst_width = spu_scale_w( p_region->fmt.i_width, scale_size );
const unsigned i_dst_height = spu_scale_h( p_region->fmt.i_height, scale_size );
/* TODO when b_using_palette is true, we should first convert it to YUVA to allow
* a proper rescaling */
/* Destroy the cache if unusable
* FIXME we should not use b_force_palette but check that the palettes
* are not the identical */
/* Destroy the cache if unusable */
if( p_region->p_private )
{
subpicture_region_private_t *p_private = p_region->p_private;
......@@ -1021,23 +1044,9 @@ static void SpuRenderRegion( spu_t *p_spu,
i_dst_height != p_private->fmt.i_height )
b_changed = true;
/* Check palette changes */
if( b_using_palette )
{
const video_palette_t *p_palette0 = p_region->fmt.p_palette;
const video_palette_t *p_palette1 = p_private->fmt.p_palette;
if( p_palette0->i_entries == p_palette1->i_entries )
{
for( int i = 0; i < p_palette0->i_entries; i++ )
for( int j = 0; j < 4; j++ )
b_changed |= p_palette0->palette[i][j] != p_palette1->palette[i][j];
}
else
{
/* Check forced palette changes */
if( b_changed_palette )
b_changed = true;
}
}
if( b_changed )
{
......@@ -1049,10 +1058,39 @@ static void SpuRenderRegion( spu_t *p_spu,
/* Scale if needed into cache */
if( !p_region->p_private )
{
picture_t *p_pic;
filter_t *p_scale = p_spu->p_scale;
picture_t *p_picture = p_region->p_picture;
picture_Yield( p_picture );
/* Convert YUVP to YUVA/RGBA first for better scaling quality */
if( b_using_palette )
{
filter_t *p_scale_yuvp = p_spu->p_scale_yuvp;
p_scale_yuvp->fmt_in.video = p_region->fmt;
/* TODO converting to RGBA for RGB video output is better */
p_scale_yuvp->fmt_out.video = p_region->fmt;
p_scale_yuvp->fmt_out.video.i_chroma = VLC_FOURCC_YUVA;
p_picture = p_scale_yuvp->pf_video_filter( p_scale_yuvp, p_picture );
if( !p_picture )
{
/* Well we will try conversion+scaling */
msg_Warn( p_spu, "%4.4s to %4.4s conversion failed",
&p_scale_yuvp->fmt_in.video.i_chroma,
&p_scale_yuvp->fmt_out.video.i_chroma );
}
}
p_scale->fmt_in.video = p_region->fmt;
p_scale->fmt_out.video = p_region->fmt;
/* Conversion(except from YUVP)/Scaling */
if( p_picture &&
( p_picture->format.i_width != i_dst_width ||
p_picture->format.i_height != i_dst_height ) )
{
p_scale->fmt_in.video = p_picture->format;
p_scale->fmt_out.video = p_picture->format;
p_scale->fmt_out.video.i_width = i_dst_width;
p_scale->fmt_out.video.i_height = i_dst_height;
......@@ -1062,20 +1100,27 @@ static void SpuRenderRegion( spu_t *p_spu,
p_scale->fmt_out.video.i_visible_height =
spu_scale_h( p_region->fmt.i_visible_height, scale_size );
p_region->p_private = SpuRegionPrivateCreate( &p_scale->fmt_out.video );
p_picture = p_scale->pf_video_filter( p_scale, p_picture );
if( !p_picture )
msg_Err( p_spu, "scaling failed" );
}
if( p_scale->p_module )
/* */
p_region->p_private = SpuRegionPrivateCreate( &p_picture->format );
if( p_region->p_private )
{
picture_Yield( p_region->p_picture );
p_region->p_private->p_picture = p_scale->pf_video_filter( p_scale, p_region->p_picture );
}
p_region->p_private->p_picture = p_picture;
if( !p_region->p_private->p_picture )
{
msg_Err( p_spu, "scaling failed (module not loaded)" );
SpuRegionPrivateDestroy( p_region->p_private );
p_region->p_private = NULL;
}
}
else
{
picture_Release( p_picture );
}
}
/* And use the scaled picture */
if( p_region->p_private )
......
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