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Commit d2c08925 authored by Laurent Aimar's avatar Laurent Aimar
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Clean up a bit vout_subpicture.c (no functionnal changes).

parent 65579822
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Showing with 83 additions and 115 deletions
src/video_output/vout_subpictures.c
View file @ d2c08925
......@@ -199,17 +199,12 @@ static int spu_get_attachments( filter_t *p_filter,
return i_ret;
}
static void SpuRenderCreateAndLoadText( spu_t *p_spu )
static filter_t *SpuRenderCreateAndLoadText( spu_t *p_spu )
{
filter_t *p_text;
assert( !p_spu->p->p_text );
p_spu->p->p_text =
p_text = vlc_custom_create( p_spu, sizeof(filter_t),
filter_t *p_text = vlc_custom_create( p_spu, sizeof(*p_text),
VLC_OBJECT_GENERIC, "spu text" );
if( !p_text )
return;
return NULL;
p_text->p_owner = xmalloc( sizeof(*p_text->p_owner) );
p_text->p_owner->p_spu = p_spu;
......@@ -225,34 +220,21 @@ static void SpuRenderCreateAndLoadText( spu_t *p_spu )
p_text->pf_get_attachments = spu_get_attachments;
vlc_object_attach( p_text, p_spu );
/* FIXME TOCHECK shouldn't module_need( , , psz_modulename, false ) do the
* same than these 2 calls ? */
char *psz_modulename = var_CreateGetString( p_spu, "text-renderer" );
if( psz_modulename && *psz_modulename )
{
p_text->p_module = module_need( p_text, "text renderer",
psz_modulename, true );
}
free( psz_modulename );
if( !p_text->p_module )
p_text->p_module = module_need( p_text, "text renderer", NULL, false );
p_text->p_module = module_need( p_text, "text renderer", "$text-renderer", false );
/* Create a few variables used for enhanced text rendering */
var_Create( p_text, "spu-duration", VLC_VAR_TIME );
var_Create( p_text, "spu-elapsed", VLC_VAR_TIME );
var_Create( p_text, "text-rerender", VLC_VAR_BOOL );
var_Create( p_text, "scale", VLC_VAR_INTEGER );
return p_text;
}
static filter_t *CreateAndLoadScale( vlc_object_t *p_obj,
static filter_t *SpuRenderCreateAndLoadScale( vlc_object_t *p_obj,
vlc_fourcc_t i_src_chroma, vlc_fourcc_t i_dst_chroma,
bool b_resize )
{
filter_t *p_scale;
p_scale = vlc_custom_create( p_obj, sizeof(filter_t),
filter_t *p_scale = vlc_custom_create( p_obj, sizeof(*p_scale),
VLC_OBJECT_GENERIC, "scale" );
if( !p_scale )
return NULL;
......@@ -275,22 +257,9 @@ static filter_t *CreateAndLoadScale( vlc_object_t *p_obj,
return p_scale;
}
static void SpuRenderCreateAndLoadScale( spu_t *p_spu )
{
assert( !p_spu->p->p_scale );
assert( !p_spu->p->p_scale_yuvp );
/* XXX p_spu->p_scale is used for all conversion/scaling except yuvp to
* yuva/rgba */
p_spu->p->p_scale = CreateAndLoadScale( VLC_OBJECT(p_spu),
VLC_CODEC_YUVA, VLC_CODEC_RGBA, true );
/* This one is used for YUVP to YUVA/RGBA without scaling
* FIXME rename it */
p_spu->p->p_scale_yuvp = CreateAndLoadScale( VLC_OBJECT(p_spu),
VLC_CODEC_YUVP, VLC_CODEC_YUVA, false );
}
static void SpuRenderText( spu_t *p_spu, bool *pb_rerender_text,
subpicture_t *p_subpic, subpicture_region_t *p_region,
subpicture_region_t *p_region,
int i_min_scale_ratio, mtime_t render_date )
{
filter_t *p_text = p_spu->p->p_text;
......@@ -319,7 +288,6 @@ static void SpuRenderText( spu_t *p_spu, bool *pb_rerender_text,
* least show up on screen, but the effect won't change
* the text over time.
*/
var_SetTime( p_text, "spu-duration", p_subpic->i_stop - p_subpic->i_start );
var_SetTime( p_text, "spu-elapsed", render_date );
var_SetBool( p_text, "text-rerender", false );
var_SetInteger( p_text, "scale", i_min_scale_ratio );
......@@ -591,15 +559,8 @@ static int SubpictureCmp( const void *s0, const void *s1 )
return r;
}
static void SubpictureChain( subpicture_t **pp_head, subpicture_t *p_subpic )
{
p_subpic->p_next = *pp_head;
*pp_head = p_subpic;
}
/*****************************************************************************
* SpuSortSubpictures: find the subpictures to display
* SpuSelectSubpictures: find the subpictures to display
*****************************************************************************
* This function parses all subpictures and decides which ones need to be
* displayed. If no picture has been selected, display_date will depend on
......@@ -608,13 +569,17 @@ static void SubpictureChain( subpicture_t **pp_head, subpicture_t *p_subpic )
* to be removed if a newer one is available), which makes it a lot
* more difficult to guess if a subpicture has to be rendered or not.
*****************************************************************************/
static subpicture_t *SpuSortSubpictures( spu_t *p_spu,
static void SpuSelectSubpictures( spu_t *p_spu,
unsigned int *pi_subpicture,
subpicture_t **pp_subpicture,
mtime_t render_subtitle_date,
mtime_t render_osd_date,
bool b_subtitle_only )
{
spu_private_t *p_sys = p_spu->p;
subpicture_t *p_subpic = NULL;
/* */
*pi_subpicture = 0;
/* Create a list of channels */
int pi_channel[VOUT_MAX_SUBPICTURES];
......@@ -636,8 +601,7 @@ static subpicture_t *SpuSortSubpictures( spu_t *p_spu,
pi_channel[i_channel_count++] = i_channel;
}
/* We get an easily parsable chained list of subpictures which
* ends with NULL since p_subpic was initialized to NULL. */
/* Fill up the pp_subpicture arrays with relevent pictures */
for( int i = 0; i < i_channel_count; i++ )
{
const int i_channel = pi_channel[i];
......@@ -735,13 +699,11 @@ static subpicture_t *SpuSortSubpictures( spu_t *p_spu,
if( b_rejet )
SpuHeapDeleteSubpicture( &p_sys->heap, p_current );
else
SubpictureChain( &p_subpic, p_current );
pp_subpicture[(*pi_subpicture)++] = p_current;
}
}
p_sys->i_last_sort_date = render_subtitle_date;
return p_subpic;
}
......@@ -777,7 +739,7 @@ static void SpuRenderRegion( spu_t *p_spu,
if( p_region->fmt.i_chroma == VLC_CODEC_TEXT )
{
const int i_min_scale_ratio = SCALE_UNIT; /* FIXME what is the right value? (scale_size is not) */
SpuRenderText( p_spu, &b_restore_text, p_subpic, p_region,
SpuRenderText( p_spu, &b_restore_text, p_region,
i_min_scale_ratio, render_date );
/* Check if the rendering has failed ... */
......@@ -1070,65 +1032,48 @@ exit:
* This function renders all sub picture units in the list.
*/
static subpicture_t *SpuRenderSubpictures( spu_t *p_spu,
unsigned int i_subpicture,
subpicture_t **pp_subpicture,
const vlc_fourcc_t *p_chroma_list,
const video_format_t *p_fmt_dst,
subpicture_t *p_subpic_list,
const video_format_t *p_fmt_src,
mtime_t render_subtitle_date,
mtime_t render_osd_date )
{
spu_private_t *p_sys = p_spu->p;
const int i_source_video_width = p_fmt_src->i_width;
const int i_source_video_height = p_fmt_src->i_height;
unsigned int i_subpicture;
subpicture_t *pp_subpicture[VOUT_MAX_SUBPICTURES];
unsigned int i_subtitle_region_count;
spu_area_t p_subtitle_area_buffer[VOUT_MAX_SUBPICTURES];
spu_area_t *p_subtitle_area;
int i_subtitle_area;
/* Preprocess subpictures */
i_subpicture = 0;
i_subtitle_region_count = 0;
for( subpicture_t * p_subpic = p_subpic_list;
p_subpic != NULL;
p_subpic = p_subpic->p_next )
/* Count the number of regions and subtitle regions */
unsigned int i_subtitle_region_count = 0;
unsigned int i_region_count = 0;
for( unsigned i = 0; i < i_subpicture; i++ )
{
subpicture_Update( p_subpic,
p_fmt_src, p_fmt_dst,
p_subpic->b_subtitle ? render_subtitle_date : render_osd_date );
const subpicture_t *p_subpic = pp_subpicture[i];
/* */
if( p_subpic->b_subtitle )
{
unsigned i_count = 0;
for( subpicture_region_t *r = p_subpic->p_region; r != NULL; r = r->p_next )
i_subtitle_region_count++;
}
i_count++;
/* */
pp_subpicture[i_subpicture++] = p_subpic;
if( p_subpic->b_subtitle )
i_subtitle_region_count += i_count;
i_region_count += i_count;
}
/* Be sure we have at least 1 picture to process */
if( i_subpicture <= 0 )
if( i_region_count <= 0 )
return NULL;
subpicture_t *p_output = subpicture_New( NULL );
/* Now order subpicture array
* XXX The order is *really* important for overlap subtitles positionning */
qsort( pp_subpicture, i_subpicture, sizeof(*pp_subpicture), SubpictureCmp );
/* Allocate area array for subtitle overlap */
spu_area_t p_subtitle_area_buffer[VOUT_MAX_SUBPICTURES];
spu_area_t *p_subtitle_area;
int i_subtitle_area;
i_subtitle_area = 0;
p_subtitle_area = p_subtitle_area_buffer;
if( i_subtitle_region_count > sizeof(p_subtitle_area_buffer)/sizeof(*p_subtitle_area_buffer) )
p_subtitle_area = calloc( i_subtitle_region_count, sizeof(*p_subtitle_area) );
/* Process all subpictures and regions (in the right order) */
const int i_source_video_width = p_fmt_src->i_width;
const int i_source_video_height = p_fmt_src->i_height;
subpicture_t *p_output = subpicture_New( NULL );
for( unsigned int i_index = 0; i_index < i_subpicture; i_index++ )
{
subpicture_t *p_subpic = pp_subpicture[i_index];
......@@ -1388,8 +1333,17 @@ spu_t *spu_Create( vlc_object_t *p_this )
p_spu );
/* Load text and scale module */
SpuRenderCreateAndLoadText( p_spu );
SpuRenderCreateAndLoadScale( p_spu );
p_sys->p_text = SpuRenderCreateAndLoadText( p_spu );
/* XXX p_spu->p_scale is used for all conversion/scaling except yuvp to
* yuva/rgba */
p_sys->p_scale = SpuRenderCreateAndLoadScale( VLC_OBJECT(p_spu),
VLC_CODEC_YUVA, VLC_CODEC_RGBA, true );
/* This one is used for YUVP to YUVA/RGBA without scaling
* FIXME rename it */
p_sys->p_scale_yuvp = SpuRenderCreateAndLoadScale( VLC_OBJECT(p_spu),
VLC_CODEC_YUVP, VLC_CODEC_YUVA, false );
/* */
p_sys->i_last_sort_date = -1;
......@@ -1444,9 +1398,9 @@ void spu_Attach( spu_t *p_spu, vlc_object_t *p_input, bool b_attach )
vlc_mutex_lock( &p_spu->p->lock );
p_spu->p->p_input = p_input;
if( p_spu->p->p_text )
FilterRelease( p_spu->p->p_text );
p_spu->p->p_text = NULL;
SpuRenderCreateAndLoadText( p_spu );
p_spu->p->p_text = SpuRenderCreateAndLoadText( p_spu );
vlc_mutex_unlock( &p_spu->p->lock );
}
......@@ -1556,24 +1510,38 @@ subpicture_t *spu_Render( spu_t *p_spu,
p_chroma_list = vlc_fourcc_IsYUV(p_fmt_dst->i_chroma) ? p_chroma_list_default_yuv
: p_chroma_list_default_rgb;
/* Get the sorted list of subpicture to render */
vlc_mutex_lock( &p_sys->lock );
subpicture_t *p_list = SpuSortSubpictures( p_spu,
render_subtitle_date,
render_osd_date,
b_subtitle_only );
if( !p_list )
unsigned int i_subpicture;
subpicture_t *pp_subpicture[VOUT_MAX_SUBPICTURES];
/* Get an array of subpictures to render */
SpuSelectSubpictures( p_spu, &i_subpicture, pp_subpicture,
render_subtitle_date, render_osd_date, b_subtitle_only );
if( i_subpicture <= 0 )
{
vlc_mutex_unlock( &p_sys->lock );
return NULL;
}
/* Render the current list of subpictures */
/* Updates the subpictures */
for( unsigned i = 0; i < i_subpicture; i++ )
{
subpicture_t *p_subpic = pp_subpicture[i];
subpicture_Update( p_subpic,
p_fmt_src, p_fmt_dst,
p_subpic->b_subtitle ? render_subtitle_date : render_osd_date );
}
/* Now order the subpicture array
* XXX The order is *really* important for overlap subtitles positionning */
qsort( pp_subpicture, i_subpicture, sizeof(*pp_subpicture), SubpictureCmp );
/* Render the subpictures */
subpicture_t *p_render = SpuRenderSubpictures( p_spu,
i_subpicture, pp_subpicture,
p_chroma_list,
p_fmt_dst,
p_list,
p_fmt_src,
render_subtitle_date,
render_osd_date );
......
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