@ -1026,12 +1026,13 @@ static int handle_xyz(enum AVPixelFormat *format)
}
}
static void handle_formats ( SwsInternal * c )
static void handle_formats ( SwsContext * sws )
{
c - > src0Alpha | = handle_0alpha ( & c - > opts . src_format ) ;
c - > dst0Alpha | = handle_0alpha ( & c - > opts . dst_format ) ;
c - > srcXYZ | = handle_xyz ( & c - > opts . src_format ) ;
c - > dstXYZ | = handle_xyz ( & c - > opts . dst_format ) ;
SwsInternal * c = sws_internal ( sws ) ;
c - > src0Alpha | = handle_0alpha ( & sws - > src_format ) ;
c - > dst0Alpha | = handle_0alpha ( & sws - > dst_format ) ;
c - > srcXYZ | = handle_xyz ( & sws - > src_format ) ;
c - > dstXYZ | = handle_xyz ( & sws - > dst_format ) ;
if ( c - > srcXYZ | | c - > dstXYZ )
fill_xyztables ( c ) ;
}
@ -1063,17 +1064,17 @@ int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
return parent_ret ;
}
handle_formats ( c ) ;
desc_dst = av_pix_fmt_desc_get ( c - > opts . dst_format ) ;
desc_src = av_pix_fmt_desc_get ( c - > opts . src_format ) ;
handle_formats ( sws ) ;
desc_dst = av_pix_fmt_desc_get ( sws - > dst_format ) ;
desc_src = av_pix_fmt_desc_get ( sws - > src_format ) ;
if ( range_override_needed ( c - > opts . dst_format ) )
if ( range_override_needed ( sws - > dst_format ) )
dstRange = 0 ;
if ( range_override_needed ( c - > opts . src_format ) )
if ( range_override_needed ( sws - > src_format ) )
srcRange = 0 ;
if ( c - > opts . src_range ! = srcRange | |
c - > opts . dst_range ! = dstRange | |
if ( sws - > src_range ! = srcRange | |
sws - > dst_range ! = dstRange | |
c - > brightness ! = brightness | |
c - > contrast ! = contrast | |
c - > saturation ! = saturation | |
@ -1090,8 +1091,8 @@ int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
c - > brightness = brightness ;
c - > contrast = contrast ;
c - > saturation = saturation ;
c - > opts . src_range = srcRange ;
c - > opts . dst_range = dstRange ;
sws - > src_range = srcRange ;
sws - > dst_range = dstRange ;
if ( need_reinit )
ff_sws_init_range_convert ( c ) ;
@ -1105,27 +1106,27 @@ int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
if ( ! need_reinit )
return 0 ;
if ( ( isYUV ( c - > opts . dst_format ) | | isGray ( c - > opts . dst_format ) ) & & ( isYUV ( c - > opts . src_format ) | | isGray ( c - > opts . src_format ) ) ) {
if ( ( isYUV ( sws - > dst_format ) | | isGray ( sws - > dst_format ) ) & & ( isYUV ( sws - > src_format ) | | isGray ( sws - > src_format ) ) ) {
if ( ! c - > cascaded_context [ 0 ] & &
memcmp ( c - > dstColorspaceTable , c - > srcColorspaceTable , sizeof ( int ) * 4 ) & &
c - > opts . src_w & & c - > opts . src_h & & c - > opts . dst_w & & c - > opts . dst_h ) {
sws - > src_w & & sws - > src_h & & sws - > dst_w & & sws - > dst_h ) {
enum AVPixelFormat tmp_format ;
int tmp_width , tmp_height ;
int srcW = c - > opts . src_w ;
int srcH = c - > opts . src_h ;
int dstW = c - > opts . dst_w ;
int dstH = c - > opts . dst_h ;
int srcW = sws - > src_w ;
int srcH = sws - > src_h ;
int dstW = sws - > dst_w ;
int dstH = sws - > dst_h ;
int ret ;
av_log ( c , AV_LOG_VERBOSE , " YUV color matrix differs for YUV->YUV, using intermediate RGB to convert \n " ) ;
if ( isNBPS ( c - > opts . dst_format ) | | is16BPS ( c - > opts . dst_format ) ) {
if ( isALPHA ( c - > opts . src_format ) & & isALPHA ( c - > opts . dst_format ) ) {
if ( isNBPS ( sws - > dst_format ) | | is16BPS ( sws - > dst_format ) ) {
if ( isALPHA ( sws - > src_format ) & & isALPHA ( sws - > dst_format ) ) {
tmp_format = AV_PIX_FMT_BGRA64 ;
} else {
tmp_format = AV_PIX_FMT_BGR48 ;
}
} else {
if ( isALPHA ( c - > opts . src_format ) & & isALPHA ( c - > opts . dst_format ) ) {
if ( isALPHA ( sws - > src_format ) & & isALPHA ( sws - > dst_format ) ) {
tmp_format = AV_PIX_FMT_BGRA ;
} else {
tmp_format = AV_PIX_FMT_BGR24 ;
@ -1145,14 +1146,13 @@ int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
if ( ret < 0 )
return ret ;
c - > cascaded_context [ 0 ] = alloc_set_opts ( srcW , srcH , c - > opts . src_format ,
c - > cascaded_context [ 0 ] = alloc_set_opts ( srcW , srcH , sws - > src_format ,
tmp_width , tmp_height , tmp_format ,
c - > opts . flags ,
c - > opts . scaler_params ) ;
sws - > flags , sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 0 ] )
return - 1 ;
sws_internal ( c - > cascaded_context [ 0 ] ) - > opts . alpha_blend = c - > opts . alpha_blend ;
c - > cascaded_context [ 0 ] - > alpha_blend = sws - > alpha_blend ;
ret = sws_init_context ( c - > cascaded_context [ 0 ] , NULL , NULL ) ;
if ( ret < 0 )
return ret ;
@ -1162,13 +1162,12 @@ int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
brightness , contrast , saturation ) ;
c - > cascaded_context [ 1 ] = alloc_set_opts ( tmp_width , tmp_height , tmp_format ,
dstW , dstH , c - > opts . dst_format ,
c - > opts . flags ,
c - > opts . scaler_params ) ;
dstW , dstH , sws - > dst_format ,
sws - > flags , sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 1 ] )
return - 1 ;
sws_internal ( c - > cascaded_context [ 1 ] ) - > opts . src_range = srcRange ;
sws_internal ( c - > cascaded_context [ 1 ] ) - > opts . dst_range = dstRange ;
c - > cascaded_context [ 1 ] - > src_range = srcRange ;
c - > cascaded_context [ 1 ] - > dst_range = dstRange ;
ret = sws_init_context ( c - > cascaded_context [ 1 ] , NULL , NULL ) ;
if ( ret < 0 )
return ret ;
@ -1183,7 +1182,7 @@ int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
return 0 ;
}
if ( ! isYUV ( c - > opts . dst_format ) & & ! isGray ( c - > opts . dst_format ) ) {
if ( ! isYUV ( sws - > dst_format ) & & ! isGray ( sws - > dst_format ) ) {
ff_yuv2rgb_c_init_tables ( c , inv_table , srcRange , brightness ,
contrast , saturation ) ;
// FIXME factorize
@ -1215,8 +1214,8 @@ int sws_getColorspaceDetails(SwsContext *sws, int **inv_table,
* inv_table = c - > srcColorspaceTable ;
* table = c - > dstColorspaceTable ;
* srcRange = range_override_needed ( c - > opts . src_format ) ? 1 : c - > opts . src_range ;
* dstRange = range_override_needed ( c - > opts . dst_format ) ? 1 : c - > opts . dst_range ;
* srcRange = range_override_needed ( sws - > src_format ) ? 1 : sws - > src_range ;
* dstRange = range_override_needed ( sws - > dst_format ) ? 1 : sws - > dst_range ;
* brightness = c - > brightness ;
* contrast = c - > contrast ;
* saturation = c - > saturation ;
@ -1321,10 +1320,10 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
int unscaled ;
SwsInternal * c = sws_internal ( sws ) ;
SwsFilter dummyFilter = { NULL , NULL , NULL , NULL } ;
int srcW = c - > opts . src_w ;
int srcH = c - > opts . src_h ;
int dstW = c - > opts . dst_w ;
int dstH = c - > opts . dst_h ;
int srcW = sws - > src_w ;
int srcH = sws - > src_h ;
int dstW = sws - > dst_w ;
int dstH = sws - > dst_h ;
int dst_stride = FFALIGN ( dstW * sizeof ( int16_t ) + 66 , 16 ) ;
int flags , cpu_flags ;
enum AVPixelFormat srcFormat , dstFormat ;
@ -1335,25 +1334,25 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
static const float float_mult = 1.0f / 255.0f ;
cpu_flags = av_get_cpu_flags ( ) ;
flags = c - > opts . flags ;
flags = sws - > flags ;
emms_c ( ) ;
unscaled = ( srcW = = dstW & & srcH = = dstH ) ;
if ( ! c - > contrast & & ! c - > saturation & & ! c - > dstFormatBpp )
sws_setColorspaceDetails ( sws , ff_yuv2rgb_coeffs [ SWS_CS_DEFAULT ] , c - > opts . src_range ,
sws_setColorspaceDetails ( sws , ff_yuv2rgb_coeffs [ SWS_CS_DEFAULT ] , sws - > src_range ,
ff_yuv2rgb_coeffs [ SWS_CS_DEFAULT ] ,
c - > opts . dst_range , 0 , 1 < < 16 , 1 < < 16 ) ;
sws - > dst_range , 0 , 1 < < 16 , 1 < < 16 ) ;
handle_formats ( c ) ;
srcFormat = c - > opts . src_format ;
dstFormat = c - > opts . dst_format ;
handle_formats ( sws ) ;
srcFormat = sws - > src_format ;
dstFormat = sws - > dst_format ;
desc_src = av_pix_fmt_desc_get ( srcFormat ) ;
desc_dst = av_pix_fmt_desc_get ( dstFormat ) ;
// If the source has no alpha then disable alpha blendaway
if ( c - > src0Alpha )
c - > opts . alpha_blend = SWS_ALPHA_BLEND_NONE ;
sws - > alpha_blend = SWS_ALPHA_BLEND_NONE ;
if ( ! ( unscaled & & sws_isSupportedEndiannessConversion ( srcFormat ) & &
av_pix_fmt_swap_endianness ( srcFormat ) = = dstFormat ) ) {
@ -1390,7 +1389,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
flags | = SWS_BICUBIC ;
else
flags | = SWS_BICUBIC ;
c - > opts . flags = flags ;
sws - > flags = flags ;
} else if ( i & ( i - 1 ) ) {
av_log ( c , AV_LOG_ERROR ,
" Exactly one scaler algorithm must be chosen, got %X \n " , i ) ;
@ -1407,7 +1406,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
if ( flags & SWS_FAST_BILINEAR ) {
if ( srcW < 8 | | dstW < 8 ) {
flags ^ = SWS_FAST_BILINEAR | SWS_BILINEAR ;
c - > opts . flags = flags ;
sws - > flags = flags ;
}
}
@ -1440,46 +1439,46 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
if ( dstW & 1 ) {
av_log ( c , AV_LOG_DEBUG , " Forcing full internal H chroma due to odd output size \n " ) ;
flags | = SWS_FULL_CHR_H_INT ;
c - > opts . flags = flags ;
sws - > flags = flags ;
}
if ( c - > chrSrcHSubSample = = 0
& & c - > chrSrcVSubSample = = 0
& & c - > opts . dither ! = SWS_DITHER_BAYER //SWS_FULL_CHR_H_INT is currently not supported with SWS_DITHER_BAYER
& & ! ( c - > opts . flags & SWS_FAST_BILINEAR )
& & sws - > dither ! = SWS_DITHER_BAYER //SWS_FULL_CHR_H_INT is currently not supported with SWS_DITHER_BAYER
& & ! ( sws - > flags & SWS_FAST_BILINEAR )
) {
av_log ( c , AV_LOG_DEBUG , " Forcing full internal H chroma due to input having non subsampled chroma \n " ) ;
flags | = SWS_FULL_CHR_H_INT ;
c - > opts . flags = flags ;
sws - > flags = flags ;
}
}
if ( c - > opts . dither = = SWS_DITHER_AUTO ) {
if ( sws - > dither = = SWS_DITHER_AUTO ) {
if ( flags & SWS_ERROR_DIFFUSION )
c - > opts . dither = SWS_DITHER_ED ;
sws - > dither = SWS_DITHER_ED ;
}
if ( dstFormat = = AV_PIX_FMT_BGR4_BYTE | |
dstFormat = = AV_PIX_FMT_RGB4_BYTE | |
dstFormat = = AV_PIX_FMT_BGR8 | |
dstFormat = = AV_PIX_FMT_RGB8 ) {
if ( c - > opts . dither = = SWS_DITHER_AUTO )
c - > opts . dither = ( flags & SWS_FULL_CHR_H_INT ) ? SWS_DITHER_ED : SWS_DITHER_BAYER ;
if ( sws - > dither = = SWS_DITHER_AUTO )
sws - > dither = ( flags & SWS_FULL_CHR_H_INT ) ? SWS_DITHER_ED : SWS_DITHER_BAYER ;
if ( ! ( flags & SWS_FULL_CHR_H_INT ) ) {
if ( c - > opts . dither = = SWS_DITHER_ED | | c - > opts . dither = = SWS_DITHER_A_DITHER | | c - > opts . dither = = SWS_DITHER_X_DITHER | | c - > opts . dither = = SWS_DITHER_NONE ) {
if ( sws - > dither = = SWS_DITHER_ED | | sws - > dither = = SWS_DITHER_A_DITHER | | sws - > dither = = SWS_DITHER_X_DITHER | | sws - > dither = = SWS_DITHER_NONE ) {
av_log ( c , AV_LOG_DEBUG ,
" Desired dithering only supported in full chroma interpolation for destination format '%s' \n " ,
av_get_pix_fmt_name ( dstFormat ) ) ;
flags | = SWS_FULL_CHR_H_INT ;
c - > opts . flags = flags ;
sws - > flags = flags ;
}
}
if ( flags & SWS_FULL_CHR_H_INT ) {
if ( c - > opts . dither = = SWS_DITHER_BAYER ) {
if ( sws - > dither = = SWS_DITHER_BAYER ) {
av_log ( c , AV_LOG_DEBUG ,
" Ordered dither is not supported in full chroma interpolation for destination format '%s' \n " ,
av_get_pix_fmt_name ( dstFormat ) ) ;
c - > opts . dither = SWS_DITHER_ED ;
sws - > dither = SWS_DITHER_ED ;
}
}
}
@ -1489,7 +1488,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
" %s output is not supported with half chroma resolution, switching to full \n " ,
av_get_pix_fmt_name ( dstFormat ) ) ;
flags | = SWS_FULL_CHR_H_INT ;
c - > opts . flags = flags ;
sws - > flags = flags ;
}
}
@ -1523,7 +1522,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
" full chroma interpolation for destination format '%s' not yet implemented \n " ,
av_get_pix_fmt_name ( dstFormat ) ) ;
flags & = ~ SWS_FULL_CHR_H_INT ;
c - > opts . flags = flags ;
sws - > flags = flags ;
}
if ( isAnyRGB ( dstFormat ) & & ! ( flags & SWS_FULL_CHR_H_INT ) )
c - > chrDstHSubSample = 1 ;
@ -1585,7 +1584,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
av_log ( c , AV_LOG_INFO ,
" output width is not a multiple of 32 -> no MMXEXT scaler \n " ) ;
}
if ( usesHFilter | | isNBPS ( c - > opts . src_format ) | | is16BPS ( c - > opts . src_format ) | | isAnyRGB ( c - > opts . src_format ) )
if ( usesHFilter | | isNBPS ( sws - > src_format ) | | is16BPS ( sws - > src_format ) | | isAnyRGB ( sws - > src_format ) )
c - > canMMXEXTBeUsed = 0 ;
} else
c - > canMMXEXTBeUsed = 0 ;
@ -1616,8 +1615,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > gamma_value = 2.2 ;
tmpFmt = AV_PIX_FMT_RGBA64LE ;
if ( ! unscaled & & c - > opts . gamma_flag & & ( srcFormat ! = tmpFmt | | dstFormat ! = tmpFmt ) ) {
if ( ! unscaled & & sws - > gamma_flag & & ( srcFormat ! = tmpFmt | | dstFormat ! = tmpFmt ) ) {
SwsInternal * c2 ;
c - > cascaded_context [ 0 ] = NULL ;
@ -1629,7 +1627,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > cascaded_context [ 0 ] = sws_getContext ( srcW , srcH , srcFormat ,
srcW , srcH , tmpFmt ,
flags , NULL , NULL ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 0 ] ) {
return AVERROR ( ENOMEM ) ;
}
@ -1637,7 +1635,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > cascaded_context [ 1 ] = sws_getContext ( srcW , srcH , tmpFmt ,
dstW , dstH , tmpFmt ,
flags , srcFilter , dstFilter ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 1 ] )
return AVERROR ( ENOMEM ) ;
@ -1669,7 +1667,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > cascaded_context [ 2 ] = sws_getContext ( dstW , dstH , tmpFmt ,
dstW , dstH , dstFormat ,
flags , NULL , NULL ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 2 ] )
return AVERROR ( ENOMEM ) ;
}
@ -1690,14 +1688,14 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > cascaded_context [ 0 ] = sws_getContext ( srcW , srcH , srcFormat ,
srcW , srcH , tmpFormat ,
flags , srcFilter , NULL ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 0 ] )
return AVERROR ( ENOMEM ) ;
c - > cascaded_context [ 1 ] = sws_getContext ( srcW , srcH , tmpFormat ,
dstW , dstH , dstFormat ,
flags , NULL , dstFilter ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 1 ] )
return AVERROR ( ENOMEM ) ;
return 0 ;
@ -1720,11 +1718,11 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
if ( CONFIG_SWSCALE_ALPHA & & isALPHA ( srcFormat ) & & ! isALPHA ( dstFormat ) ) {
enum AVPixelFormat tmpFormat = alphaless_fmt ( srcFormat ) ;
if ( tmpFormat ! = AV_PIX_FMT_NONE & & c - > opts . alpha_blend ! = SWS_ALPHA_BLEND_NONE ) {
if ( tmpFormat ! = AV_PIX_FMT_NONE & & sws - > alpha_blend ! = SWS_ALPHA_BLEND_NONE ) {
if ( ! unscaled | |
dstFormat ! = tmpFormat | |
usesHFilter | | usesVFilter | |
c - > opts . src_range ! = c - > opts . dst_range
sws - > src_range ! = sws - > dst_range
) {
c - > cascaded_mainindex = 1 ;
ret = av_image_alloc ( c - > cascaded_tmp [ 0 ] , c - > cascaded_tmpStride [ 0 ] ,
@ -1734,22 +1732,22 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > cascaded_context [ 0 ] = alloc_set_opts ( srcW , srcH , srcFormat ,
srcW , srcH , tmpFormat ,
flags , c - > opts . scaler_params ) ;
flags , sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 0 ] )
return AVERROR ( EINVAL ) ;
sws_internal ( c - > cascaded_context [ 0 ] ) - > opts . alpha_blend = c - > opts . alpha_blend ;
c - > cascaded_context [ 0 ] - > alpha_blend = sws - > alpha_blend ;
ret = sws_init_context ( c - > cascaded_context [ 0 ] , NULL , NULL ) ;
if ( ret < 0 )
return ret ;
c - > cascaded_context [ 1 ] = alloc_set_opts ( srcW , srcH , tmpFormat ,
dstW , dstH , dstFormat ,
flags , c - > opts . scaler_params ) ;
flags , sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 1 ] )
return AVERROR ( EINVAL ) ;
sws_internal ( c - > cascaded_context [ 1 ] ) - > opts . src_range = c - > opts . src_range ;
sws_internal ( c - > cascaded_context [ 1 ] ) - > opts . dst_range = c - > opts . dst_range ;
c - > cascaded_context [ 1 ] - > src_range = sws - > src_range ;
c - > cascaded_context [ 1 ] - > dst_range = sws - > dst_range ;
ret = sws_init_context ( c - > cascaded_context [ 1 ] , srcFilter , dstFilter ) ;
if ( ret < 0 )
return ret ;
@ -1761,9 +1759,9 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
/* alpha blend special case, note this has been split via cascaded contexts if its scaled */
if ( unscaled & & ! usesHFilter & & ! usesVFilter & &
c - > opts . alpha_blend ! = SWS_ALPHA_BLEND_NONE & &
sws - > alpha_blend ! = SWS_ALPHA_BLEND_NONE & &
isALPHA ( srcFormat ) & &
( c - > opts . src_range = = c - > opts . dst_range | | isAnyRGB ( dstFormat ) ) & &
( sws - > src_range = = sws - > dst_range | | isAnyRGB ( dstFormat ) ) & &
alphaless_fmt ( srcFormat ) = = dstFormat
) {
c - > convert_unscaled = ff_sws_alphablendaway ;
@ -1777,7 +1775,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
/* unscaled special cases */
if ( unscaled & & ! usesHFilter & & ! usesVFilter & &
( c - > opts . src_range = = c - > opts . dst_range | | isAnyRGB ( dstFormat ) | |
( sws - > src_range = = sws - > dst_range | | isAnyRGB ( dstFormat ) | |
isFloat ( srcFormat ) | | isFloat ( dstFormat ) | | isBayer ( srcFormat ) ) ) {
ff_get_unscaled_swscale ( c ) ;
@ -1873,7 +1871,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
srcW , dstW , filterAlign , 1 < < 14 ,
( flags & SWS_BICUBLIN ) ? ( flags | SWS_BICUBIC ) : flags ,
cpu_flags , srcFilter - > lumH , dstFilter - > lumH ,
c - > opts . scaler_params ,
sws - > scaler_params ,
get_local_pos ( c , 0 , 0 , 0 ) ,
get_local_pos ( c , 0 , 0 , 0 ) ) ) < 0 )
goto fail ;
@ -1884,9 +1882,9 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > chrSrcW , c - > chrDstW , filterAlign , 1 < < 14 ,
( flags & SWS_BICUBLIN ) ? ( flags | SWS_BILINEAR ) : flags ,
cpu_flags , srcFilter - > chrH , dstFilter - > chrH ,
c - > opts . scaler_params ,
get_local_pos ( c , c - > chrSrcHSubSample , c - > opts . src_h_chr_pos , 0 ) ,
get_local_pos ( c , c - > chrDstHSubSample , c - > opts . dst_h_chr_pos , 0 ) ) ) < 0 )
sws - > scaler_params ,
get_local_pos ( c , c - > chrSrcHSubSample , sws - > src_h_chr_pos , 0 ) ,
get_local_pos ( c , c - > chrDstHSubSample , sws - > dst_h_chr_pos , 0 ) ) ) < 0 )
goto fail ;
if ( ff_shuffle_filter_coefficients ( c , c - > hChrFilterPos , c - > hChrFilterSize , c - > hChrFilter , c - > chrDstW ) < 0 )
goto nomem ;
@ -1903,7 +1901,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
c - > lumYInc , srcH , dstH , filterAlign , ( 1 < < 12 ) ,
( flags & SWS_BICUBLIN ) ? ( flags | SWS_BICUBIC ) : flags ,
cpu_flags , srcFilter - > lumV , dstFilter - > lumV ,
c - > opts . scaler_params ,
sws - > scaler_params ,
get_local_pos ( c , 0 , 0 , 1 ) ,
get_local_pos ( c , 0 , 0 , 1 ) ) ) < 0 )
goto fail ;
@ -1912,18 +1910,18 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
filterAlign , ( 1 < < 12 ) ,
( flags & SWS_BICUBLIN ) ? ( flags | SWS_BILINEAR ) : flags ,
cpu_flags , srcFilter - > chrV , dstFilter - > chrV ,
c - > opts . scaler_params ,
get_local_pos ( c , c - > chrSrcVSubSample , c - > opts . src_v_chr_pos , 1 ) ,
get_local_pos ( c , c - > chrDstVSubSample , c - > opts . dst_v_chr_pos , 1 ) ) ) < 0 )
sws - > scaler_params ,
get_local_pos ( c , c - > chrSrcVSubSample , sws - > src_v_chr_pos , 1 ) ,
get_local_pos ( c , c - > chrDstVSubSample , sws - > dst_v_chr_pos , 1 ) ) ) < 0 )
goto fail ;
# if HAVE_ALTIVEC
if ( ! FF_ALLOC_TYPED_ARRAY ( c - > vYCoeffsBank , c - > vLumFilterSize * c - > opts . dst_h ) | |
if ( ! FF_ALLOC_TYPED_ARRAY ( c - > vYCoeffsBank , c - > vLumFilterSize * sws - > dst_h ) | |
! FF_ALLOC_TYPED_ARRAY ( c - > vCCoeffsBank , c - > vChrFilterSize * c - > chrDstH ) )
goto nomem ;
for ( i = 0 ; i < c - > vLumFilterSize * c - > opts . dst_h ; i + + ) {
for ( i = 0 ; i < c - > vLumFilterSize * sws - > dst_h ; i + + ) {
int j ;
short * p = ( short * ) & c - > vYCoeffsBank [ i ] ;
for ( j = 0 ; j < 8 ; j + + )
@ -1940,10 +1938,10 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
}
for ( i = 0 ; i < 4 ; i + + )
if ( ! FF_ALLOCZ_TYPED_ARRAY ( c - > dither_error [ i ] , c - > opts . dst_w + 3 ) )
if ( ! FF_ALLOCZ_TYPED_ARRAY ( c - > dither_error [ i ] , sws - > dst_w + 3 ) )
goto nomem ;
c - > needAlpha = ( CONFIG_SWSCALE_ALPHA & & isALPHA ( c - > opts . src_format ) & & isALPHA ( c - > opts . dst_format ) ) ? 1 : 0 ;
c - > needAlpha = ( CONFIG_SWSCALE_ALPHA & & isALPHA ( sws - > src_format ) & & isALPHA ( sws - > dst_format ) ) ? 1 : 0 ;
// 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
c - > uv_off = ( dst_stride > > 1 ) + 64 / ( c - > dstBpc & ~ 7 ) ;
@ -1985,7 +1983,7 @@ static av_cold int sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter
av_log ( c , AV_LOG_VERBOSE , " %dx%d -> %dx%d \n " , srcW , srcH , dstW , dstH ) ;
av_log ( c , AV_LOG_DEBUG ,
" lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d \n " ,
c - > opts . src_w , c - > opts . src_h , c - > opts . dst_w , c - > opts . dst_h , c - > lumXInc , c - > lumYInc ) ;
sws - > src_w , sws - > src_h , sws - > dst_w , sws - > dst_h , c - > lumXInc , c - > lumYInc ) ;
av_log ( c , AV_LOG_DEBUG ,
" chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d \n " ,
c - > chrSrcW , c - > chrSrcH , c - > chrDstW , c - > chrDstH ,
@ -2017,14 +2015,14 @@ fail: // FIXME replace things by appropriate error codes
c - > cascaded_context [ 0 ] = sws_getContext ( srcW , srcH , srcFormat ,
tmpW , tmpH , tmpFormat ,
flags , srcFilter , NULL ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 0 ] )
return AVERROR ( ENOMEM ) ;
c - > cascaded_context [ 1 ] = sws_getContext ( tmpW , tmpH , tmpFormat ,
dstW , dstH , dstFormat ,
flags , NULL , dstFilter ,
c - > opts . scaler_params ) ;
sws - > scaler_params ) ;
if ( ! c - > cascaded_context [ 1 ] )
return AVERROR ( ENOMEM ) ;
return 0 ;
@ -2039,41 +2037,38 @@ static int context_init_threaded(SwsContext *sws,
int ret ;
ret = avpriv_slicethread_create ( & c - > slicethread , ( void * ) sws ,
ff_sws_slice_worker , NULL , c - > opts . threads ) ;
ff_sws_slice_worker , NULL , sws - > threads ) ;
if ( ret = = AVERROR ( ENOSYS ) ) {
c - > opts . threads = 1 ;
sws - > threads = 1 ;
return 0 ;
} else if ( ret < 0 )
return ret ;
c - > opts . threads = ret ;
sws - > threads = ret ;
c - > slice_ctx = av_calloc ( c - > opts . threads , sizeof ( * c - > slice_ctx ) ) ;
c - > slice_err = av_calloc ( c - > opts . threads , sizeof ( * c - > slice_err ) ) ;
c - > slice_ctx = av_calloc ( sws - > threads , sizeof ( * c - > slice_ctx ) ) ;
c - > slice_err = av_calloc ( sws - > threads , sizeof ( * c - > slice_err ) ) ;
if ( ! c - > slice_ctx | | ! c - > slice_err )
return AVERROR ( ENOMEM ) ;
for ( int i = 0 ; i < c - > opts . threads ; i + + ) {
SwsInternal * c2 ;
c - > slice_ctx [ i ] = sws_alloc_context ( ) ;
if ( ! c - > slice_ctx [ i ] )
for ( int i = 0 ; i < sws - > threads ; i + + ) {
SwsContext * slice ;
slice = c - > slice_ctx [ i ] = sws_alloc_context ( ) ;
if ( ! slice )
return AVERROR ( ENOMEM ) ;
c2 = sws_internal ( c - > slice_ctx [ i ] ) ;
sws_internal ( slice ) - > parent = sws ;
c - > nb_slice_ctx + + ;
c2 - > parent = sws ;
ret = av_opt_copy ( ( void * ) c - > slice_ctx [ i ] , ( void * ) c ) ;
ret = av_opt_copy ( slice , sws ) ;
if ( ret < 0 )
return ret ;
slice - > threads = 1 ;
c2 - > opts . threads = 1 ;
ret = sws_init_single_context ( c - > slice_ctx [ i ] , src_filter , dst_filter ) ;
ret = sws_init_single_context ( slice , src_filter , dst_filter ) ;
if ( ret < 0 )
return ret ;
if ( c2 - > opts . dither = = SWS_DITHER_ED ) {
if ( slice - > dither = = SWS_DITHER_ED ) {
av_log ( c , AV_LOG_VERBOSE ,
" Error-diffusion dither is in use, scaling will be single-threaded. " ) ;
break ;
@ -2099,17 +2094,17 @@ av_cold int sws_init_context(SwsContext *sws, SwsFilter *srcFilter,
if ( ff_thread_once ( & rgb2rgb_once , ff_sws_rgb2rgb_init ) ! = 0 )
return AVERROR_UNKNOWN ;
src_format = c - > opts . src_format ;
dst_format = c - > opts . dst_format ;
c - > opts . src_range | = handle_jpeg ( & c - > opts . src_format ) ;
c - > opts . dst_range | = handle_jpeg ( & c - > opts . dst_format ) ;
src_format = sws - > src_format ;
dst_format = sws - > dst_format ;
sws - > src_range | = handle_jpeg ( & sws - > src_format ) ;
sws - > dst_range | = handle_jpeg ( & sws - > dst_format ) ;
if ( src_format ! = c - > opts . src_format | | dst_format ! = c - > opts . dst_format )
if ( src_format ! = sws - > src_format | | dst_format ! = sws - > dst_format )
av_log ( c , AV_LOG_WARNING , " deprecated pixel format used, make sure you did set range correctly \n " ) ;
if ( c - > opts . threads ! = 1 ) {
if ( sws - > threads ! = 1 ) {
ret = context_init_threaded ( sws , srcFilter , dstFilter ) ;
if ( ret < 0 | | c - > opts . threads > 1 )
if ( ret < 0 | | sws - > threads > 1 )
return ret ;
// threading disabled in this build, init as single-threaded
}