/**
* Maps CPU capabilities computed by VLC to libav DSP mask.
*/
unsigned GetVlcDspMask( void )
{
unsigned mask = 0;
#if defined (__i386__) || defined (__x86_64__)
if( !vlc_CPU_MMX() )
mask |= AV_CPU_FLAG_MMX;
if( !vlc_CPU_MMXEXT() )
mask |= AV_CPU_FLAG_MMX2;
if( !vlc_CPU_3dNOW() )
mask |= AV_CPU_FLAG_3DNOW;
if( !vlc_CPU_SSE() )
mask |= AV_CPU_FLAG_SSE;
if( !vlc_CPU_SSE2() )
mask |= AV_CPU_FLAG_SSE2;
# ifdef AV_CPU_FLAG_SSE3
if( !vlc_CPU_SSE3() )
mask |= AV_CPU_FLAG_SSE3;
# endif
# ifdef AV_CPU_FLAG_SSSE3
if( !vlc_CPU_SSSE3() )
mask |= AV_CPU_FLAG_SSSE3;
# endif
# ifdef AV_CPU_FLAG_SSE4
if( !vlc_CPU_SSE4_1() )
mask |= AV_CPU_FLAG_SSE4;
# endif
# ifdef AV_CPU_FLAG_SSE42
if( !vlc_CPU_SSE4_2() )
mask |= AV_CPU_FLAG_SSE42;
# endif
# ifdef AV_CPU_FLAG_AVX
if( !vlc_CPU_AVX() )
mask |= AV_CPU_FLAG_AVX;
# endif
# ifdef AV_CPU_FLAG_XOP
if( !vlc_CPU_XOP() )
mask |= AV_CPU_FLAG_XOP;
# endif
# ifdef AV_CPU_FLAG_FMA4
if( !vlc_CPU_FMA4() )
mask |= AV_CPU_FLAG_FMA4;
# endif
#endif
#if defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
if( !vlc_CPU_ALTIVEC() )
mask |= AV_CPU_FLAG_ALTIVEC;
#endif
#if defined ( __arm__)
#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(29<<8)+0)
if( !vlc_CPU_ARM_NEON() )
mask |= AV_CPU_FLAG_NEON;
#endif
#endif
return mask;
}
static int Open(vlc_object_t *object)
{
filter_t *filter = (filter_t *)object;
const vlc_fourcc_t fourcc = filter->fmt_in.video.i_chroma;
const vlc_chroma_description_t *chroma = vlc_fourcc_GetChromaDescription(fourcc);
if (!chroma || chroma->plane_count < 3 || chroma->pixel_size != 1) {
msg_Err(filter, "Unsupported chroma (%4.4s)", (char*)&fourcc);
return VLC_EGENERIC;
}
filter_sys_t *sys = malloc(sizeof(*sys));
if (!sys)
return VLC_ENOMEM;
vlc_mutex_init(&sys->lock);
sys->chroma = chroma;
sys->strength = var_CreateGetFloatCommand(filter, CFG_PREFIX "strength");
sys->radius = var_CreateGetIntegerCommand(filter, CFG_PREFIX "radius");
var_AddCallback(filter, CFG_PREFIX "strength", Callback, NULL);
var_AddCallback(filter, CFG_PREFIX "radius", Callback, NULL);
sys->cfg.buf = NULL;
struct vf_priv_s *cfg = &sys->cfg;
cfg->thresh = 0.0;
cfg->radius = 0;
cfg->buf = NULL;
#if HAVE_SSE2 && HAVE_6REGS
if (vlc_CPU_SSE2())
cfg->blur_line = blur_line_sse2;
else
#endif
cfg->blur_line = blur_line_c;
#if HAVE_SSSE3
if (vlc_CPU_SSSE3())
cfg->filter_line = filter_line_ssse3;
else
#endif
#if HAVE_MMX2
if (vlc_CPU_MMXEXT())
cfg->filter_line = filter_line_mmx2;
else
#endif
cfg->filter_line = filter_line_c;
filter->p_sys = sys;
filter->pf_video_filter = Filter;
return VLC_SUCCESS;
}
/*****************************************************************************
* Helpers
*****************************************************************************/
static int GetSwsCpuMask(void)
{
int i_sws_cpu = 0;
#if defined(__i386__) || defined(__x86_64__)
if( vlc_CPU_MMX() )
i_sws_cpu |= SWS_CPU_CAPS_MMX;
#if (LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0))
if( vlc_CPU_MMXEXT() )
i_sws_cpu |= SWS_CPU_CAPS_MMX2;
#endif
if( vlc_CPU_3dNOW() )
i_sws_cpu |= SWS_CPU_CAPS_3DNOW;
#elif defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__)
if( vlc_CPU_ALTIVEC() )
i_sws_cpu |= SWS_CPU_CAPS_ALTIVEC;
#endif
return i_sws_cpu;
}
VLC_MMX
static int CalculateInterlaceScoreMMX( const picture_t* p_pic_top,
const picture_t* p_pic_bot )
{
assert( p_pic_top->i_planes == p_pic_bot->i_planes );
/* Amount of bits must be known for MMX, thus int32_t.
Doesn't hurt the C implementation. */
int32_t i_score_mmx = 0; /* this must be divided by 255 when finished */
int32_t i_score_c = 0; /* this counts as-is (used for non-MMX parts) */
pxor_r2r( mm7, mm7 ); /* we will keep score in mm7 */
for( int i_plane = 0 ; i_plane < p_pic_top->i_planes ; ++i_plane )
{
/* Sanity check */
if( p_pic_top->p[i_plane].i_visible_lines !=
p_pic_bot->p[i_plane].i_visible_lines )
return -1;
const int i_lasty = p_pic_top->p[i_plane].i_visible_lines-1;
const int w = FFMIN( p_pic_top->p[i_plane].i_visible_pitch,
p_pic_bot->p[i_plane].i_visible_pitch );
const int wm8 = w % 8; /* remainder */
const int w8 = w - wm8; /* part of width that is divisible by 8 */
/* Current line / neighbouring lines picture pointers */
const picture_t *cur = p_pic_bot;
const picture_t *ngh = p_pic_top;
int wc = cur->p[i_plane].i_pitch;
int wn = ngh->p[i_plane].i_pitch;
/* Transcode 1.1.5 only checks every other line. Checking every line
works better for anime, which may contain horizontal,
one pixel thick cartoon outlines.
*/
for( int y = 1; y < i_lasty; ++y )
{
uint8_t *p_c = &cur->p[i_plane].p_pixels[y*wc]; /* this line */
uint8_t *p_p = &ngh->p[i_plane].p_pixels[(y-1)*wn]; /* prev line */
uint8_t *p_n = &ngh->p[i_plane].p_pixels[(y+1)*wn]; /* next line */
int x = 0;
/* Easy-to-read C version further below.
Assumptions: 0 < T < 127
# of pixels < (2^32)/255
Note: calculates score * 255
*/
static alignas (8) const mmx_t b0 = {
.uq = 0x0000000000000000ULL };
static alignas (8) const mmx_t b128 = {
.uq = 0x8080808080808080ULL };
static alignas (8) const mmx_t bT = {
.ub = { T, T, T, T, T, T, T, T } };
for( ; x < w8; x += 8 )
{
movq_m2r( *((int64_t*)p_c), mm0 );
movq_m2r( *((int64_t*)p_p), mm1 );
movq_m2r( *((int64_t*)p_n), mm2 );
psubb_m2r( b128, mm0 );
psubb_m2r( b128, mm1 );
psubb_m2r( b128, mm2 );
psubsb_r2r( mm0, mm1 );
psubsb_r2r( mm0, mm2 );
pxor_r2r( mm3, mm3 );
pxor_r2r( mm4, mm4 );
pxor_r2r( mm5, mm5 );
pxor_r2r( mm6, mm6 );
punpcklbw_r2r( mm1, mm3 );
punpcklbw_r2r( mm2, mm4 );
punpckhbw_r2r( mm1, mm5 );
punpckhbw_r2r( mm2, mm6 );
pmulhw_r2r( mm3, mm4 );
pmulhw_r2r( mm5, mm6 );
packsswb_r2r(mm4, mm6);
pcmpgtb_m2r( bT, mm6 );
psadbw_m2r( b0, mm6 );
paddd_r2r( mm6, mm7 );
p_c += 8;
p_p += 8;
p_n += 8;
}
for( ; x < w; ++x )
{
/* Worst case: need 17 bits for "comb". */
int_fast32_t C = *p_c;
int_fast32_t P = *p_p;
int_fast32_t N = *p_n;
/* Comments in Transcode's filter_ivtc.c attribute this
combing metric to Gunnar Thalin.
The idea is that if the picture is interlaced, both
expressions will have the same sign, and this comes
up positive. The value T = 100 has been chosen such
that a pixel difference of 10 (on average) will
trigger the detector.
*/
int_fast32_t comb = (P - C) * (N - C);
if( comb > T )
++i_score_c;
++p_c;
++p_p;
++p_n;
}
/* Now the other field - swap current and neighbour pictures */
const picture_t *tmp = cur;
cur = ngh;
ngh = tmp;
int tmp_pitch = wc;
wc = wn;
wn = tmp_pitch;
}
}
movd_r2m( mm7, i_score_mmx );
emms();
return i_score_mmx/255 + i_score_c;
}
#endif
/* See header for function doc. */
int CalculateInterlaceScore( const picture_t* p_pic_top,
const picture_t* p_pic_bot )
{
/*
We use the comb metric from the IVTC filter of Transcode 1.1.5.
This was found to work better for the particular purpose of IVTC
than RenderX()'s comb metric.
Note that we *must not* subsample at all in order to catch interlacing
in telecined frames with localized motion (e.g. anime with characters
talking, where only mouths move and everything else stays still.)
*/
assert( p_pic_top != NULL );
assert( p_pic_bot != NULL );
if( p_pic_top->i_planes != p_pic_bot->i_planes )
return -1;
#ifdef CAN_COMPILE_MMXEXT
if (vlc_CPU_MMXEXT())
return CalculateInterlaceScoreMMX( p_pic_top, p_pic_bot );
#endif
int32_t i_score = 0;
for( int i_plane = 0 ; i_plane < p_pic_top->i_planes ; ++i_plane )
{
/* Sanity check */
if( p_pic_top->p[i_plane].i_visible_lines !=
p_pic_bot->p[i_plane].i_visible_lines )
return -1;
const int i_lasty = p_pic_top->p[i_plane].i_visible_lines-1;
const int w = FFMIN( p_pic_top->p[i_plane].i_visible_pitch,
p_pic_bot->p[i_plane].i_visible_pitch );
/* Current line / neighbouring lines picture pointers */
const picture_t *cur = p_pic_bot;
const picture_t *ngh = p_pic_top;
int wc = cur->p[i_plane].i_pitch;
int wn = ngh->p[i_plane].i_pitch;
/* Transcode 1.1.5 only checks every other line. Checking every line
works better for anime, which may contain horizontal,
one pixel thick cartoon outlines.
*/
for( int y = 1; y < i_lasty; ++y )
{
uint8_t *p_c = &cur->p[i_plane].p_pixels[y*wc]; /* this line */
uint8_t *p_p = &ngh->p[i_plane].p_pixels[(y-1)*wn]; /* prev line */
uint8_t *p_n = &ngh->p[i_plane].p_pixels[(y+1)*wn]; /* next line */
for( int x = 0; x < w; ++x )
{
/* Worst case: need 17 bits for "comb". */
int_fast32_t C = *p_c;
int_fast32_t P = *p_p;
int_fast32_t N = *p_n;
/* Comments in Transcode's filter_ivtc.c attribute this
combing metric to Gunnar Thalin.
The idea is that if the picture is interlaced, both
expressions will have the same sign, and this comes
up positive. The value T = 100 has been chosen such
that a pixel difference of 10 (on average) will
trigger the detector.
*/
int_fast32_t comb = (P - C) * (N - C);
if( comb > T )
++i_score;
++p_c;
++p_p;
++p_n;
}
/* Now the other field - swap current and neighbour pictures */
const picture_t *tmp = cur;
cur = ngh;
ngh = tmp;
int tmp_pitch = wc;
wc = wn;
wn = tmp_pitch;
}
}
return i_score;
}
/* See header for function doc. */
int EstimateNumBlocksWithMotion( const picture_t* p_prev,
const picture_t* p_curr,
int *pi_top, int *pi_bot)
{
assert( p_prev != NULL );
assert( p_curr != NULL );
int i_score_top = 0;
int i_score_bot = 0;
if( p_prev->i_planes != p_curr->i_planes )
return -1;
int (*motion_in_block)(uint8_t *, uint8_t *, int , int, int *, int *) =
TestForMotionInBlock;
/* We must tell our inline helper whether to use MMX acceleration. */
#ifdef CAN_COMPILE_MMXEXT
if (vlc_CPU_MMXEXT())
motion_in_block = TestForMotionInBlockMMX;
#endif
int i_score = 0;
for( int i_plane = 0 ; i_plane < p_prev->i_planes ; i_plane++ )
{
/* Sanity check */
if( p_prev->p[i_plane].i_visible_lines !=
p_curr->p[i_plane].i_visible_lines )
return -1;
const int i_pitch_prev = p_prev->p[i_plane].i_pitch;
const int i_pitch_curr = p_curr->p[i_plane].i_pitch;
/* Last pixels and lines (which do not make whole blocks) are ignored.
Shouldn't really matter for our purposes. */
const int i_mby = p_prev->p[i_plane].i_visible_lines / 8;
const int w = FFMIN( p_prev->p[i_plane].i_visible_pitch,
p_curr->p[i_plane].i_visible_pitch );
const int i_mbx = w / 8;
for( int by = 0; by < i_mby; ++by )
{
uint8_t *p_pix_p = &p_prev->p[i_plane].p_pixels[i_pitch_prev*8*by];
uint8_t *p_pix_c = &p_curr->p[i_plane].p_pixels[i_pitch_curr*8*by];
for( int bx = 0; bx < i_mbx; ++bx )
{
int i_top_temp, i_bot_temp;
i_score += motion_in_block( p_pix_p, p_pix_c,
i_pitch_prev, i_pitch_curr,
&i_top_temp, &i_bot_temp );
i_score_top += i_top_temp;
i_score_bot += i_bot_temp;
p_pix_p += 8;
p_pix_c += 8;
}
}
}
if( pi_top )
(*pi_top) = i_score_top;
if( pi_bot )
(*pi_bot) = i_score_bot;
return i_score;
}
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
uint32_t i_accel = 0;
if( p_dec->fmt_in.i_codec != VLC_CODEC_MPGV )
return VLC_EGENERIC;
/* Select onl recognized original format (standard mpeg video) */
switch( p_dec->fmt_in.i_original_fourcc )
{
case VLC_FOURCC('m','p','g','1'):
case VLC_FOURCC('m','p','g','2'):
case VLC_FOURCC('m','p','g','v'):
case VLC_FOURCC('P','I','M','1'):
case VLC_FOURCC('h','d','v','2'):
break;
default:
if( p_dec->fmt_in.i_original_fourcc )
return VLC_EGENERIC;
break;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(*p_sys)) ) == NULL )
return VLC_ENOMEM;
/* Initialize the thread properties */
p_sys->p_mpeg2dec = NULL;
p_sys->p_synchro = NULL;
p_sys->p_info = NULL;
p_sys->i_current_pts = 0;
p_sys->i_previous_pts = 0;
p_sys->i_current_dts = 0;
p_sys->i_previous_dts = 0;
p_sys->i_sar_num = 0;
p_sys->i_sar_den = 0;
p_sys->b_garbage_pic = false;
p_sys->b_slice_i = false;
p_sys->b_second_field = false;
p_sys->b_skip = false;
p_sys->b_preroll = false;
DpbInit( p_dec );
p_sys->i_cc_pts = 0;
p_sys->i_cc_dts = 0;
p_sys->i_cc_flags = 0;
#if MPEG2_RELEASE >= MPEG2_VERSION (0, 5, 0)
p_dec->pf_get_cc = GetCc;
cc_Init( &p_sys->cc );
#endif
p_sys->p_gop_user_data = NULL;
p_sys->i_gop_user_data = 0;
#if defined( __i386__ ) || defined( __x86_64__ )
if( vlc_CPU_MMX() )
i_accel |= MPEG2_ACCEL_X86_MMX;
if( vlc_CPU_3dNOW() )
i_accel |= MPEG2_ACCEL_X86_3DNOW;
if( vlc_CPU_MMXEXT() )
i_accel |= MPEG2_ACCEL_X86_MMXEXT;
#elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
if( vlc_CPU_ALTIVEC() )
i_accel |= MPEG2_ACCEL_PPC_ALTIVEC;
#elif defined(__arm__)
# ifdef MPEG2_ACCEL_ARM
i_accel |= MPEG2_ACCEL_ARM;
# endif
# ifdef MPEG2_ACCEL_ARM_NEON
if( vlc_CPU_ARM_NEON() )
i_accel |= MPEG2_ACCEL_ARM_NEON;
# endif
/* TODO: sparc */
#else
/* If we do not know this CPU, trust libmpeg2's feature detection */
i_accel = MPEG2_ACCEL_DETECT;
#endif
/* Set CPU acceleration features */
mpeg2_accel( i_accel );
/* Initialize decoder */
p_sys->p_mpeg2dec = mpeg2_init();
if( p_sys->p_mpeg2dec == NULL)
{
msg_Err( p_dec, "mpeg2_init() failed" );
free( p_sys );
return VLC_EGENERIC;
}
p_sys->p_info = mpeg2_info( p_sys->p_mpeg2dec );
p_dec->pf_decode_video = DecodeBlock;
p_dec->fmt_out.i_cat = VIDEO_ES;
p_dec->fmt_out.i_codec = 0;
return VLC_SUCCESS;
}
/* See header for function doc. */
int CalculateInterlaceScore( const picture_t* p_pic_top,
const picture_t* p_pic_bot )
{
/*
We use the comb metric from the IVTC filter of Transcode 1.1.5.
This was found to work better for the particular purpose of IVTC
than RenderX()'s comb metric.
Note that we *must not* subsample at all in order to catch interlacing
in telecined frames with localized motion (e.g. anime with characters
talking, where only mouths move and everything else stays still.)
*/
assert( p_pic_top != NULL );
assert( p_pic_bot != NULL );
if( p_pic_top->i_planes != p_pic_bot->i_planes )
return -1;
#ifdef CAN_COMPILE_MMXEXT
if (vlc_CPU_MMXEXT())
return CalculateInterlaceScoreMMX( p_pic_top, p_pic_bot );
#endif
int32_t i_score = 0;
for( int i_plane = 0 ; i_plane < p_pic_top->i_planes ; ++i_plane )
{
/* Sanity check */
if( p_pic_top->p[i_plane].i_visible_lines !=
p_pic_bot->p[i_plane].i_visible_lines )
return -1;
const int i_lasty = p_pic_top->p[i_plane].i_visible_lines-1;
const int w = FFMIN( p_pic_top->p[i_plane].i_visible_pitch,
p_pic_bot->p[i_plane].i_visible_pitch );
/* Current line / neighbouring lines picture pointers */
const picture_t *cur = p_pic_bot;
const picture_t *ngh = p_pic_top;
int wc = cur->p[i_plane].i_pitch;
int wn = ngh->p[i_plane].i_pitch;
/* Transcode 1.1.5 only checks every other line. Checking every line
works better for anime, which may contain horizontal,
one pixel thick cartoon outlines.
*/
for( int y = 1; y < i_lasty; ++y )
{
uint8_t *p_c = &cur->p[i_plane].p_pixels[y*wc]; /* this line */
uint8_t *p_p = &ngh->p[i_plane].p_pixels[(y-1)*wn]; /* prev line */
uint8_t *p_n = &ngh->p[i_plane].p_pixels[(y+1)*wn]; /* next line */
for( int x = 0; x < w; ++x )
{
/* Worst case: need 17 bits for "comb". */
int_fast32_t C = *p_c;
int_fast32_t P = *p_p;
int_fast32_t N = *p_n;
/* Comments in Transcode's filter_ivtc.c attribute this
combing metric to Gunnar Thalin.
The idea is that if the picture is interlaced, both
expressions will have the same sign, and this comes
up positive. The value T = 100 has been chosen such
that a pixel difference of 10 (on average) will
trigger the detector.
*/
int_fast32_t comb = (P - C) * (N - C);
if( comb > T )
++i_score;
++p_c;
++p_p;
++p_n;
}
/* Now the other field - swap current and neighbour pictures */
const picture_t *tmp = cur;
cur = ngh;
ngh = tmp;
int tmp_pitch = wc;
wc = wn;
wn = tmp_pitch;
}
}
return i_score;
}
int Open( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys;
const vlc_fourcc_t fourcc = p_filter->fmt_in.video.i_chroma;
const vlc_chroma_description_t *chroma = vlc_fourcc_GetChromaDescription( fourcc );
if( !vlc_fourcc_IsYUV( fourcc ) ||
!chroma || chroma->plane_count != 3 || chroma->pixel_size > 2 )
{
msg_Err( p_filter, "Unsupported chroma (%4.4s)", (char*)&fourcc );
return VLC_EGENERIC;
}
/* */
p_sys = p_filter->p_sys = malloc( sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->chroma = chroma;
p_sys->i_mode = DEINTERLACE_BLEND;
p_sys->b_double_rate = false;
p_sys->b_half_height = true;
p_sys->b_use_frame_history = false;
for( int i = 0; i < METADATA_SIZE; i++ )
{
p_sys->meta.pi_date[i] = VLC_TS_INVALID;
p_sys->meta.pi_nb_fields[i] = 2;
p_sys->meta.pb_top_field_first[i] = true;
}
p_sys->i_frame_offset = 0; /* start with default value (first-ever frame
cannot have offset) */
for( int i = 0; i < HISTORY_SIZE; i++ )
p_sys->pp_history[i] = NULL;
IVTCClearState( p_filter );
#if defined(CAN_COMPILE_C_ALTIVEC)
if( chroma->pixel_size == 1 && vlc_CPU_ALTIVEC() )
p_sys->pf_merge = MergeAltivec;
else
#endif
#if defined(CAN_COMPILE_SSE2)
if( vlc_CPU_SSE2() )
{
p_sys->pf_merge = chroma->pixel_size == 1 ? Merge8BitSSE2 : Merge16BitSSE2;
p_sys->pf_end_merge = EndMMX;
}
else
#endif
#if defined(CAN_COMPILE_MMXEXT)
if( chroma->pixel_size == 1 && vlc_CPU_MMXEXT() )
{
p_sys->pf_merge = MergeMMXEXT;
p_sys->pf_end_merge = EndMMX;
}
else
#endif
#if defined(CAN_COMPILE_3DNOW)
if( chroma->pixel_size == 1 && vlc_CPU_3dNOW() )
{
p_sys->pf_merge = Merge3DNow;
p_sys->pf_end_merge = End3DNow;
}
else
#endif
#if defined(CAN_COMPILE_ARM)
if( vlc_CPU_ARM_NEON() )
p_sys->pf_merge =
(chroma->pixel_size == 1) ? merge8_arm_neon : merge16_arm_neon;
else
if( vlc_CPU_ARMv6() )
p_sys->pf_merge =
(chroma->pixel_size == 1) ? merge8_armv6 : merge16_armv6;
else
#endif
{
p_sys->pf_merge = chroma->pixel_size == 1 ? Merge8BitGeneric : Merge16BitGeneric;
#if defined(__i386__) || defined(__x86_64__)
p_sys->pf_end_merge = NULL;
#endif
}
/* */
config_ChainParse( p_filter, FILTER_CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
char *psz_mode = var_GetNonEmptyString( p_filter, FILTER_CFG_PREFIX "mode" );
SetFilterMethod( p_filter, psz_mode );
free( psz_mode );
if( p_sys->i_mode == DEINTERLACE_PHOSPHOR )
{
int i_c420 = var_GetInteger( p_filter,
FILTER_CFG_PREFIX "phosphor-chroma" );
if( i_c420 != PC_LATEST && i_c420 != PC_ALTLINE &&
i_c420 != PC_BLEND && i_c420 != PC_UPCONVERT )
{
msg_Dbg( p_filter, "Phosphor 4:2:0 input chroma mode not set"\
"or out of range (valid: 1, 2, 3 or 4), "\
"using default" );
i_c420 = PC_ALTLINE;
}
msg_Dbg( p_filter, "using Phosphor 4:2:0 input chroma mode %d",
i_c420 );
/* This maps directly to the phosphor_chroma_t enum. */
p_sys->phosphor.i_chroma_for_420 = i_c420;
int i_dimmer = var_GetInteger( p_filter,
FILTER_CFG_PREFIX "phosphor-dimmer" );
if( i_dimmer < 1 || i_dimmer > 4 )
{
msg_Dbg( p_filter, "Phosphor dimmer strength not set "\
"or out of range (valid: 1, 2, 3 or 4), "\
"using default" );
i_dimmer = 2; /* low */
}
msg_Dbg( p_filter, "using Phosphor dimmer strength %d", i_dimmer );
/* The internal value ranges from 0 to 3. */
p_sys->phosphor.i_dimmer_strength = i_dimmer - 1;
}
else
{
p_sys->phosphor.i_chroma_for_420 = PC_ALTLINE;
p_sys->phosphor.i_dimmer_strength = 1;
}
/* */
video_format_t fmt;
GetOutputFormat( p_filter, &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 ) )
{
Close( 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;
p_filter->pf_video_flush = Flush;
p_filter->pf_video_mouse = Mouse;
msg_Dbg( p_filter, "deinterlacing" );
return VLC_SUCCESS;
}
