Commit bb62ffd3 authored by Laurent Aimar's avatar Laurent Aimar
Browse files

Partial clean up and fixes of asa codec.

parent 77751c92
......@@ -48,21 +48,11 @@
#include <csri/stream.h>
/*****************************************************************************
* Local prototypes
* Module descriptor
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy( vlc_object_t * );
static subpicture_t *DecodeBlock( decoder_t *, block_t ** );
static void DestroySubpicture( subpicture_t * );
static void PreRender( video_format_t *, spu_t *, subpicture_t *, mtime_t );
static subpicture_region_t *UpdateRegions( video_format_t *, spu_t *,
subpicture_t *, mtime_t );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_shortname( N_("Subtitles (advanced)"));
set_description( N_("Wrapper for subtitle renderers using CSRI/asa") );
......@@ -73,13 +63,25 @@ vlc_module_begin();
vlc_module_end();
/*****************************************************************************
* decoder_sys_t: filter data
* Local prototypes
*****************************************************************************/
static subpicture_t *DecodeBlock( decoder_t *, block_t ** );
static void DestroySubpicture( subpicture_t * );
static void PreRender( video_format_t *, spu_t *, subpicture_t *, mtime_t );
static subpicture_region_t *UpdateRegions( video_format_t *, spu_t *,
subpicture_t *, mtime_t );
/*****************************************************************************
* decoder_sys_t: decoder data
*****************************************************************************/
struct decoder_sys_t
{
subpicture_t *p_spu_final;
video_format_t fmt_cached;
csri_inst *p_instance;
struct csri_stream_ext *p_stream_ext;
void (*pf_push_packet)(csri_inst *inst, const void *packet,
size_t packetlen, double pts_start,
double pts_end);
......@@ -102,12 +104,10 @@ static int Create( vlc_object_t *p_this )
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys;
csri_rend *p_render;
struct csri_stream_ext *p_streamext;
struct csri_stream_ext *p_stream_ext;
if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
{
return VLC_EGENERIC;
}
p_render = csri_renderer_default();
if (!p_render)
......@@ -115,8 +115,8 @@ static int Create( vlc_object_t *p_this )
msg_Err( p_dec, "can't load csri renderer" );
return VLC_EGENERIC;
}
p_streamext = csri_query_ext(p_render, CSRI_EXT_STREAM_ASS);
if (!p_streamext)
p_stream_ext = csri_query_ext(p_render, CSRI_EXT_STREAM_ASS);
if (!p_stream_ext)
{
msg_Err( p_dec, "csri renderer does not support ASS streaming" );
return VLC_EGENERIC;
......@@ -127,13 +127,14 @@ static int Create( vlc_object_t *p_this )
p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
memset( &p_dec->p_sys->fmt_cached, 0, sizeof( p_dec->p_sys->fmt_cached ) );
p_sys->pf_push_packet = p_streamext->push_packet;
p_sys->p_instance = p_streamext->init_stream(p_render,
p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra - 1,
NULL);
memset( &p_sys->fmt_cached, 0, sizeof( p_sys->fmt_cached ) );
p_sys->p_stream_ext = p_stream_ext;
p_sys->pf_push_packet = p_stream_ext->push_packet;
p_sys->p_instance = p_stream_ext->init_stream( p_render,
p_dec->fmt_in.p_extra,
p_dec->fmt_in.p_extra ? strnlen( p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra ) : 0,
NULL);
return VLC_SUCCESS;
}
......@@ -144,9 +145,11 @@ static int Create( vlc_object_t *p_this )
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_stream_ext->discard )
p_sys->p_stream_ext->discard( p_sys->p_instance, true );
free( p_sys );
}
......@@ -157,20 +160,29 @@ static void Destroy( vlc_object_t *p_this )
****************************************************************************/
static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_t *p_spu = NULL;
block_t *p_block;
msg_Dbg( p_dec, "DecodeBlock %p", (void *)pp_block);
if( !pp_block || *pp_block == NULL ) return NULL;
//msg_Dbg( p_dec, "DecodeBlock %p", (void *)pp_block);
if( !pp_block || *pp_block == NULL )
return NULL;
p_block = *pp_block;
if( p_block->i_buffer == 0 || p_block->p_buffer[0] == '\0' ) return NULL;
*pp_block = NULL;
if( p_block->i_buffer == 0 || p_block->p_buffer[0] == '\0' )
{
block_Release( p_block );
return NULL;
}
p_spu = p_dec->pf_spu_buffer_new( p_dec );
if( !p_spu )
{
msg_Warn( p_dec, "can't get spu buffer" );
block_Release( *pp_block );
*pp_block = NULL;
block_Release( p_block );
return NULL;
}
......@@ -178,8 +190,7 @@ static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
if( !p_spu->p_sys )
{
p_dec->pf_spu_buffer_del( p_dec, p_spu );
block_Release( *pp_block );
*pp_block = NULL;
block_Release( p_block );
return NULL;
}
p_spu->p_sys->p_dec = p_dec;
......@@ -190,8 +201,7 @@ static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
free( p_spu->p_sys );
p_dec->pf_spu_buffer_del( p_dec, p_spu );
block_Release( *pp_block );
*pp_block = NULL;
block_Release( p_block );
return NULL;
}
memcpy( p_spu->p_sys->p_subs_data, p_block->p_buffer,
......@@ -205,25 +215,24 @@ static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
p_spu->b_absolute = false;
p_spu->b_pausable = true;
msg_Dbg( p_dec, "BS %lf..%lf", p_spu->i_start * 0.000001, p_spu->i_stop * 0.000001);
p_dec->p_sys->pf_push_packet(p_dec->p_sys->p_instance,
p_spu->p_sys->p_subs_data, p_block->i_buffer,
p_spu->i_start * 0.000001,
p_spu->i_stop * 0.000001);
//msg_Dbg( p_dec, "BS %lf..%lf", p_spu->i_start * 0.000001, p_spu->i_stop * 0.000001);
p_sys->pf_push_packet( p_sys->p_instance,
p_spu->p_sys->p_subs_data, p_spu->p_sys->i_subs_len,
p_spu->i_start * 0.000001,
p_spu->i_stop * 0.000001);
p_spu->pf_pre_render = PreRender;
p_spu->pf_update_regions = UpdateRegions;
p_spu->pf_destroy = DestroySubpicture;
block_Release( *pp_block );
*pp_block = NULL;
block_Release( p_block );
return p_spu;
}
static void DestroySubpicture( subpicture_t *p_subpic )
{
msg_Dbg( p_subpic->p_sys->p_dec, "drop spu %p", (void *)p_subpic );
//msg_Dbg( p_subpic->p_sys->p_dec, "drop spu %p", (void *)p_subpic );
free( p_subpic->p_sys->p_subs_data );
free( p_subpic->p_sys );
}
......@@ -239,49 +248,66 @@ static subpicture_region_t *UpdateRegions( video_format_t *p_fmt, spu_t *p_spu,
subpicture_t *p_subpic, mtime_t ts )
{
decoder_t *p_dec = p_subpic->p_sys->p_dec;
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_region_t *p_spu_region;
video_format_t fmt;
struct csri_frame csri_frame;
if (p_subpic != p_dec->p_sys->p_spu_final)
{
if( p_subpic != p_sys->p_spu_final )
return NULL;
}
memcpy( &fmt, p_fmt, sizeof( fmt ) );
#if 0
msg_Warn( p_dec, "---- fmt: %dx%d %dx%d chroma=%4.4s",
p_fmt->i_width, p_fmt->i_height,
p_fmt->i_visible_width, p_fmt->i_visible_height,
(const char*)&p_fmt->i_chroma );
#endif
fmt = *p_fmt;
fmt.i_chroma = VLC_FOURCC('R','G','B','A');
fmt.i_width = fmt.i_visible_width;
fmt.i_height = fmt.i_visible_height;
fmt.i_bits_per_pixel = 0;
fmt.i_x_offset = fmt.i_y_offset = 0;
fmt.i_sar_num = 1;
fmt.i_sar_den = 1;
if (memcmp(&fmt, &p_dec->p_sys->fmt_cached, sizeof(fmt)))
if( memcmp(&fmt, &p_sys->fmt_cached, sizeof(fmt)) )
{
//msg_Warn( p_dec, "---- fmt: new %dx%d", fmt.i_width, fmt.i_height );
struct csri_fmt csri_fmt;
memset(&csri_fmt, 0, sizeof(csri_fmt));
csri_fmt.pixfmt = CSRI_F_RGBA;
csri_fmt.width = fmt.i_width;
csri_fmt.height = fmt.i_height;
if( csri_request_fmt(p_dec->p_sys->p_instance, &csri_fmt) )
if( csri_request_fmt( p_sys->p_instance, &csri_fmt ) )
msg_Dbg( p_dec, "csri error: format not supported" );
memcpy(&p_dec->p_sys->fmt_cached, &fmt, sizeof(fmt));
p_sys->fmt_cached = fmt;
}
p_spu_region = p_subpic->pf_create_region( VLC_OBJECT(p_dec), &fmt );
p_spu_region->i_align = SUBPICTURE_ALIGN_TOP;
csri_frame.pixfmt = CSRI_F_RGBA;
csri_frame.planes[0] = (unsigned char*)p_spu_region->picture.Y_PIXELS;
csri_frame.strides[0] = p_spu_region->picture.Y_PITCH;
p_subpic->i_original_picture_height = fmt.i_height;
p_subpic->i_original_picture_width = fmt.i_width;
msg_Dbg( p_dec, "TS %lf", ts * 0.000001 );
csri_render( p_dec->p_sys->p_instance, &csri_frame, ts * 0.000001 );
memset(p_spu_region->picture.Y_PIXELS, 0xff, fmt.i_width);
memset(p_spu_region->picture.Y_PIXELS + p_spu_region->picture.Y_PITCH
* (fmt.i_height - 1), 0x88, fmt.i_width);
p_spu_region = p_subpic->pf_create_region( VLC_OBJECT(p_dec), &fmt );
p_subpic->p_region = p_spu_region;
if( p_spu_region )
{
struct csri_frame csri_frame;
/* */
p_spu_region->i_align = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_LEFT;
memset( p_spu_region->picture.Y_PIXELS, 0x00, p_spu_region->picture.Y_PITCH * p_sys->fmt_cached.i_height );
/* */
//msg_Dbg( p_dec, "TS %lf", ts * 0.000001 );
memset( &csri_frame, 0, sizeof(csri_frame) );
csri_frame.pixfmt = CSRI_F_RGBA;
csri_frame.planes[0] = (unsigned char*)p_spu_region->picture.Y_PIXELS;
csri_frame.strides[0] = p_spu_region->picture.Y_PITCH;
csri_render( p_sys->p_instance, &csri_frame, ts * 0.000001 );
}
return p_spu_region;
}
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