/* * Copyright (c) 2016 Ronald S. Bultje * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* * @file * Convert between colorspaces. */ #include "libavutil/avassert.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "libavutil/pixfmt.h" #include "avfilter.h" #include "colorspacedsp.h" #include "formats.h" #include "internal.h" #include "video.h" #include "colorspace.h" enum DitherMode { DITHER_NONE, DITHER_FSB, DITHER_NB, }; enum Colorspace { CS_UNSPECIFIED, CS_BT470M, CS_BT470BG, CS_BT601_6_525, CS_BT601_6_625, CS_BT709, CS_SMPTE170M, CS_SMPTE240M, CS_BT2020, CS_NB, }; enum Whitepoint { WP_D65, WP_C, WP_DCI, WP_E, WP_NB, }; enum WhitepointAdaptation { WP_ADAPT_BRADFORD, WP_ADAPT_VON_KRIES, NB_WP_ADAPT_NON_IDENTITY, WP_ADAPT_IDENTITY = NB_WP_ADAPT_NON_IDENTITY, NB_WP_ADAPT, }; static const enum AVColorTransferCharacteristic default_trc[CS_NB + 1] = { [CS_UNSPECIFIED] = AVCOL_TRC_UNSPECIFIED, [CS_BT470M] = AVCOL_TRC_GAMMA22, [CS_BT470BG] = AVCOL_TRC_GAMMA28, [CS_BT601_6_525] = AVCOL_TRC_SMPTE170M, [CS_BT601_6_625] = AVCOL_TRC_SMPTE170M, [CS_BT709] = AVCOL_TRC_BT709, [CS_SMPTE170M] = AVCOL_TRC_SMPTE170M, [CS_SMPTE240M] = AVCOL_TRC_SMPTE240M, [CS_BT2020] = AVCOL_TRC_BT2020_10, [CS_NB] = AVCOL_TRC_UNSPECIFIED, }; static const enum AVColorPrimaries default_prm[CS_NB + 1] = { [CS_UNSPECIFIED] = AVCOL_PRI_UNSPECIFIED, [CS_BT470M] = AVCOL_PRI_BT470M, [CS_BT470BG] = AVCOL_PRI_BT470BG, [CS_BT601_6_525] = AVCOL_PRI_SMPTE170M, [CS_BT601_6_625] = AVCOL_PRI_BT470BG, [CS_BT709] = AVCOL_PRI_BT709, [CS_SMPTE170M] = AVCOL_PRI_SMPTE170M, [CS_SMPTE240M] = AVCOL_PRI_SMPTE240M, [CS_BT2020] = AVCOL_PRI_BT2020, [CS_NB] = AVCOL_PRI_UNSPECIFIED, }; static const enum AVColorSpace default_csp[CS_NB + 1] = { [CS_UNSPECIFIED] = AVCOL_SPC_UNSPECIFIED, [CS_BT470M] = AVCOL_SPC_SMPTE170M, [CS_BT470BG] = AVCOL_SPC_BT470BG, [CS_BT601_6_525] = AVCOL_SPC_SMPTE170M, [CS_BT601_6_625] = AVCOL_SPC_BT470BG, [CS_BT709] = AVCOL_SPC_BT709, [CS_SMPTE170M] = AVCOL_SPC_SMPTE170M, [CS_SMPTE240M] = AVCOL_SPC_SMPTE240M, [CS_BT2020] = AVCOL_SPC_BT2020_NCL, [CS_NB] = AVCOL_SPC_UNSPECIFIED, }; struct ColorPrimaries { enum Whitepoint wp; struct PrimaryCoefficients coeff; }; struct TransferCharacteristics { double alpha, beta, gamma, delta; }; typedef struct ColorSpaceContext { const AVClass *class; ColorSpaceDSPContext dsp; enum Colorspace user_all, user_iall; enum AVColorSpace in_csp, out_csp, user_csp, user_icsp; enum AVColorRange in_rng, out_rng, user_rng, user_irng; enum AVColorTransferCharacteristic in_trc, out_trc, user_trc, user_itrc; enum AVColorPrimaries in_prm, out_prm, user_prm, user_iprm; enum AVPixelFormat in_format, user_format; int fast_mode; enum DitherMode dither; enum WhitepointAdaptation wp_adapt; int16_t *rgb[3]; ptrdiff_t rgb_stride; unsigned rgb_sz; int *dither_scratch[3][2], *dither_scratch_base[3][2]; const struct ColorPrimaries *in_primaries, *out_primaries; int lrgb2lrgb_passthrough; DECLARE_ALIGNED(16, int16_t, lrgb2lrgb_coeffs)[3][3][8]; const struct TransferCharacteristics *in_txchr, *out_txchr; int rgb2rgb_passthrough; int16_t *lin_lut, *delin_lut; const struct LumaCoefficients *in_lumacoef, *out_lumacoef; int yuv2yuv_passthrough, yuv2yuv_fastmode; DECLARE_ALIGNED(16, int16_t, yuv2rgb_coeffs)[3][3][8]; DECLARE_ALIGNED(16, int16_t, rgb2yuv_coeffs)[3][3][8]; DECLARE_ALIGNED(16, int16_t, yuv2yuv_coeffs)[3][3][8]; DECLARE_ALIGNED(16, int16_t, yuv_offset)[2 /* in, out */][8]; yuv2rgb_fn yuv2rgb; rgb2yuv_fn rgb2yuv; rgb2yuv_fsb_fn rgb2yuv_fsb; yuv2yuv_fn yuv2yuv; double yuv2rgb_dbl_coeffs[3][3], rgb2yuv_dbl_coeffs[3][3]; int in_y_rng, in_uv_rng, out_y_rng, out_uv_rng; int did_warn_range; } ColorSpaceContext; // FIXME deal with odd width/heights // FIXME faster linearize/delinearize implementation (integer pow) // FIXME bt2020cl support (linearization between yuv/rgb step instead of between rgb/xyz) // FIXME test that the values in (de)lin_lut don't exceed their container storage // type size (only useful if we keep the LUT and don't move to fast integer pow) // FIXME dithering if bitdepth goes down? // FIXME bitexact for fate integration? // FIXME I'm pretty sure gamma22/28 also have a linear toe slope, but I can't // find any actual tables that document their real values... // See http://www.13thmonkey.org/~boris/gammacorrection/ first graph why it matters static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB] = { [AVCOL_TRC_BT709] = { 1.099, 0.018, 0.45, 4.5 }, [AVCOL_TRC_GAMMA22] = { 1.0, 0.0, 1.0 / 2.2, 0.0 }, [AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 }, [AVCOL_TRC_SMPTE170M] = { 1.099, 0.018, 0.45, 4.5 }, [AVCOL_TRC_SMPTE240M] = { 1.1115, 0.0228, 0.45, 4.0 }, [AVCOL_TRC_IEC61966_2_1] = { 1.055, 0.0031308, 1.0 / 2.4, 12.92 }, [AVCOL_TRC_IEC61966_2_4] = { 1.099, 0.018, 0.45, 4.5 }, [AVCOL_TRC_BT2020_10] = { 1.099, 0.018, 0.45, 4.5 }, [AVCOL_TRC_BT2020_12] = { 1.0993, 0.0181, 0.45, 4.5 }, }; static const struct TransferCharacteristics * get_transfer_characteristics(enum AVColorTransferCharacteristic trc) { const struct TransferCharacteristics *coeffs; if (trc >= AVCOL_TRC_NB) return NULL; coeffs = &transfer_characteristics[trc]; if (!coeffs->alpha) return NULL; return coeffs; } static const struct WhitepointCoefficients whitepoint_coefficients[WP_NB] = { [WP_D65] = { 0.3127, 0.3290 }, [WP_C] = { 0.3100, 0.3160 }, [WP_DCI] = { 0.3140, 0.3510 }, [WP_E] = { 1/3.0f, 1/3.0f }, }; static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB] = { [AVCOL_PRI_BT709] = { WP_D65, { 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 } }, [AVCOL_PRI_BT470M] = { WP_C, { 0.670, 0.330, 0.210, 0.710, 0.140, 0.080 } }, [AVCOL_PRI_BT470BG] = { WP_D65, { 0.640, 0.330, 0.290, 0.600, 0.150, 0.060 } }, [AVCOL_PRI_SMPTE170M] = { WP_D65, { 0.630, 0.340, 0.310, 0.595, 0.155, 0.070 } }, [AVCOL_PRI_SMPTE240M] = { WP_D65, { 0.630, 0.340, 0.310, 0.595, 0.155, 0.070 } }, [AVCOL_PRI_SMPTE428] = { WP_E, { 0.735, 0.265, 0.274, 0.718, 0.167, 0.009 } }, [AVCOL_PRI_SMPTE431] = { WP_DCI, { 0.680, 0.320, 0.265, 0.690, 0.150, 0.060 } }, [AVCOL_PRI_SMPTE432] = { WP_D65, { 0.680, 0.320, 0.265, 0.690, 0.150, 0.060 } }, [AVCOL_PRI_FILM] = { WP_C, { 0.681, 0.319, 0.243, 0.692, 0.145, 0.049 } }, [AVCOL_PRI_BT2020] = { WP_D65, { 0.708, 0.292, 0.170, 0.797, 0.131, 0.046 } }, [AVCOL_PRI_JEDEC_P22] = { WP_D65, { 0.630, 0.340, 0.295, 0.605, 0.155, 0.077 } }, }; static const struct ColorPrimaries *get_color_primaries(enum AVColorPrimaries prm) { const struct ColorPrimaries *p; if (prm >= AVCOL_PRI_NB) return NULL; p = &color_primaries[prm]; if (!p->coeff.xr) return NULL; return p; } static int fill_gamma_table(ColorSpaceContext *s) { int n; double in_alpha = s->in_txchr->alpha, in_beta = s->in_txchr->beta; double in_gamma = s->in_txchr->gamma, in_delta = s->in_txchr->delta; double in_ialpha = 1.0 / in_alpha, in_igamma = 1.0 / in_gamma, in_idelta = 1.0 / in_delta; double out_alpha = s->out_txchr->alpha, out_beta = s->out_txchr->beta; double out_gamma = s->out_txchr->gamma, out_delta = s->out_txchr->delta; s->lin_lut = av_malloc(sizeof(*s->lin_lut) * 32768 * 2); if (!s->lin_lut) return AVERROR(ENOMEM); s->delin_lut = &s->lin_lut[32768]; for (n = 0; n < 32768; n++) { double v = (n - 2048.0) / 28672.0, d, l; // delinearize if (v <= -out_beta) { d = -out_alpha * pow(-v, out_gamma) + (out_alpha - 1.0); } else if (v < out_beta) { d = out_delta * v; } else { d = out_alpha * pow(v, out_gamma) - (out_alpha - 1.0); } s->delin_lut[n] = av_clip_int16(lrint(d * 28672.0)); // linearize if (v <= -in_beta * in_delta) { l = -pow((1.0 - in_alpha - v) * in_ialpha, in_igamma); } else if (v < in_beta * in_delta) { l = v * in_idelta; } else { l = pow((v + in_alpha - 1.0) * in_ialpha, in_igamma); } s->lin_lut[n] = av_clip_int16(lrint(l * 28672.0)); } return 0; } /* * See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html * This function uses the Bradford mechanism. */ static void fill_whitepoint_conv_table(double out[3][3], enum WhitepointAdaptation wp_adapt, enum Whitepoint src, enum Whitepoint dst) { static const double ma_tbl[NB_WP_ADAPT_NON_IDENTITY][3][3] = { [WP_ADAPT_BRADFORD] = { { 0.8951, 0.2664, -0.1614 }, { -0.7502, 1.7135, 0.0367 }, { 0.0389, -0.0685, 1.0296 }, }, [WP_ADAPT_VON_KRIES] = { { 0.40024, 0.70760, -0.08081 }, { -0.22630, 1.16532, 0.04570 }, { 0.00000, 0.00000, 0.91822 }, }, }; const double (*ma)[3] = ma_tbl[wp_adapt]; const struct WhitepointCoefficients *wp_src = &whitepoint_coefficients[src]; double zw_src = 1.0 - wp_src->xw - wp_src->yw; const struct WhitepointCoefficients *wp_dst = &whitepoint_coefficients[dst]; double zw_dst = 1.0 - wp_dst->xw - wp_dst->yw; double mai[3][3], fac[3][3], tmp[3][3]; double rs, gs, bs, rd, gd, bd; ff_matrix_invert_3x3(ma, mai); rs = ma[0][0] * wp_src->xw + ma[0][1] * wp_src->yw + ma[0][2] * zw_src; gs = ma[1][0] * wp_src->xw + ma[1][1] * wp_src->yw + ma[1][2] * zw_src; bs = ma[2][0] * wp_src->xw + ma[2][1] * wp_src->yw + ma[2][2] * zw_src; rd = ma[0][0] * wp_dst->xw + ma[0][1] * wp_dst->yw + ma[0][2] * zw_dst; gd = ma[1][0] * wp_dst->xw + ma[1][1] * wp_dst->yw + ma[1][2] * zw_dst; bd = ma[2][0] * wp_dst->xw + ma[2][1] * wp_dst->yw + ma[2][2] * zw_dst; fac[0][0] = rd / rs; fac[1][1] = gd / gs; fac[2][2] = bd / bs; fac[0][1] = fac[0][2] = fac[1][0] = fac[1][2] = fac[2][0] = fac[2][1] = 0.0; ff_matrix_mul_3x3(tmp, ma, fac); ff_matrix_mul_3x3(out, tmp, mai); } static void apply_lut(int16_t *buf[3], ptrdiff_t stride, int w, int h, const int16_t *lut) { int y, x, n; for (n = 0; n < 3; n++) { int16_t *data = buf[n]; for (y = 0; y < h; y++) { for (x = 0; x < w; x++) data[x] = lut[av_clip_uintp2(2048 + data[x], 15)]; data += stride; } } } typedef struct ThreadData { AVFrame *in, *out; ptrdiff_t in_linesize[3], out_linesize[3]; int in_ss_h, out_ss_h; } ThreadData; static int convert(AVFilterContext *ctx, void *data, int job_nr, int n_jobs) { const ThreadData *td = data; ColorSpaceContext *s = ctx->priv; uint8_t *in_data[3], *out_data[3]; int16_t *rgb[3]; int h_in = (td->in->height + 1) >> 1; int h1 = 2 * (job_nr * h_in / n_jobs), h2 = 2 * ((job_nr + 1) * h_in / n_jobs); int w = td->in->width, h = h2 - h1; in_data[0] = td->in->data[0] + td->in_linesize[0] * h1; in_data[1] = td->in->data[1] + td->in_linesize[1] * (h1 >> td->in_ss_h); in_data[2] = td->in->data[2] + td->in_linesize[2] * (h1 >> td->in_ss_h); out_data[0] = td->out->data[0] + td->out_linesize[0] * h1; out_data[1] = td->out->data[1] + td->out_linesize[1] * (h1 >> td->out_ss_h); out_data[2] = td->out->data[2] + td->out_linesize[2] * (h1 >> td->out_ss_h); rgb[0] = s->rgb[0] + s->rgb_stride * h1; rgb[1] = s->rgb[1] + s->rgb_stride * h1; rgb[2] = s->rgb[2] + s->rgb_stride * h1; // FIXME for simd, also make sure we do pictures with negative stride // top-down so we don't overwrite lines with padding of data before it // in the same buffer (same as swscale) if (s->yuv2yuv_fastmode) { // FIXME possibly use a fast mode in case only the y range changes? // since in that case, only the diagonal entries in yuv2yuv_coeffs[] // are non-zero s->yuv2yuv(out_data, td->out_linesize, in_data, td->in_linesize, w, h, s->yuv2yuv_coeffs, s->yuv_offset); } else { // FIXME maybe (for caching efficiency) do pipeline per-line instead of // full buffer per function? (Or, since yuv2rgb requires 2 lines: per // 2 lines, for yuv420.) /* * General design: * - yuv2rgb converts from whatever range the input was ([16-235/240] or * [0,255] or the 10/12bpp equivalents thereof) to an integer version * of RGB in psuedo-restricted 15+sign bits. That means that the float * range [0.0,1.0] is in [0,28762], and the remainder of the int16_t * range is used for overflow/underflow outside the representable * range of this RGB type. rgb2yuv is the exact opposite. * - gamma correction is done using a LUT since that appears to work * fairly fast. * - If the input is chroma-subsampled (420/422), the yuv2rgb conversion * (or rgb2yuv conversion) uses nearest-neighbour sampling to read * read chroma pixels at luma resolution. If you want some more fancy * filter, you can use swscale to convert to yuv444p. * - all coefficients are 14bit (so in the [-2.0,2.0] range). */ s->yuv2rgb(rgb, s->rgb_stride, in_data, td->in_linesize, w, h, s->yuv2rgb_coeffs, s->yuv_offset[0]); if (!s->rgb2rgb_passthrough) { apply_lut(rgb, s->rgb_stride, w, h, s->lin_lut); if (!s->lrgb2lrgb_passthrough) s->dsp.multiply3x3(rgb, s->rgb_stride, w, h, s->lrgb2lrgb_coeffs); apply_lut(rgb, s->rgb_stride, w, h, s->delin_lut); } if (s->dither == DITHER_FSB) { s->rgb2yuv_fsb(out_data, td->out_linesize, rgb, s->rgb_stride, w, h, s->rgb2yuv_coeffs, s->yuv_offset[1], s->dither_scratch); } else { s->rgb2yuv(out_data, td->out_linesize, rgb, s->rgb_stride, w, h, s->rgb2yuv_coeffs, s->yuv_offset[1]); } } return 0; } static int get_range_off(AVFilterContext *ctx, int *off, int *y_rng, int *uv_rng, enum AVColorRange rng, int depth) { switch (rng) { case AVCOL_RANGE_UNSPECIFIED: { ColorSpaceContext *s = ctx->priv; if (!s->did_warn_range) { av_log(ctx, AV_LOG_WARNING, "Input range not set, assuming tv/mpeg\n"); s->did_warn_range = 1; } } // fall-through case AVCOL_RANGE_MPEG: *off = 16 << (depth - 8); *y_rng = 219 << (depth - 8); *uv_rng = 224 << (depth - 8); break; case AVCOL_RANGE_JPEG: *off = 0; *y_rng = *uv_rng = (256 << (depth - 8)) - 1; break; default: return AVERROR(EINVAL); } return 0; } static int create_filtergraph(AVFilterContext *ctx, const AVFrame *in, const AVFrame *out) { ColorSpaceContext *s = ctx->priv; const AVPixFmtDescriptor *in_desc = av_pix_fmt_desc_get(in->format); const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(out->format); int emms = 0, m, n, o, res, fmt_identical, redo_yuv2rgb = 0, redo_rgb2yuv = 0; #define supported_depth(d) ((d) == 8 || (d) == 10 || (d) == 12) #define supported_subsampling(lcw, lch) \ (((lcw) == 0 && (lch) == 0) || ((lcw) == 1 && (lch) == 0) || ((lcw) == 1 && (lch) == 1)) #define supported_format(d) \ ((d) != NULL && (d)->nb_components == 3 && \ !((d)->flags & AV_PIX_FMT_FLAG_RGB) && \ supported_depth((d)->comp[0].depth) && \ supported_subsampling((d)->log2_chroma_w, (d)->log2_chroma_h)) if (!supported_format(in_desc)) { av_log(ctx, AV_LOG_ERROR, "Unsupported input format %d (%s) or bitdepth (%d)\n", in->format, av_get_pix_fmt_name(in->format), in_desc ? in_desc->comp[0].depth : -1); return AVERROR(EINVAL); } if (!supported_format(out_desc)) { av_log(ctx, AV_LOG_ERROR, "Unsupported output format %d (%s) or bitdepth (%d)\n", out->format, av_get_pix_fmt_name(out->format), out_desc ? out_desc->comp[0].depth : -1); return AVERROR(EINVAL); } if (in->color_primaries != s->in_prm) s->in_primaries = NULL; if (out->color_primaries != s->out_prm) s->out_primaries = NULL; if (in->color_trc != s->in_trc) s->in_txchr = NULL; if (out->color_trc != s->out_trc) s->out_txchr = NULL; if (in->colorspace != s->in_csp || in->color_range != s->in_rng) s->in_lumacoef = NULL; if (out->colorspace != s->out_csp || out->color_range != s->out_rng) s->out_lumacoef = NULL; if (!s->out_primaries || !s->in_primaries) { s->in_prm = in->color_primaries; if (s->user_iall != CS_UNSPECIFIED) s->in_prm = default_prm[FFMIN(s->user_iall, CS_NB)]; if (s->user_iprm != AVCOL_PRI_UNSPECIFIED) s->in_prm = s->user_iprm; s->in_primaries = get_color_primaries(s->in_prm); if (!s->in_primaries) { av_log(ctx, AV_LOG_ERROR, "Unsupported input primaries %d (%s)\n", s->in_prm, av_color_primaries_name(s->in_prm)); return AVERROR(EINVAL); } s->out_prm = out->color_primaries; s->out_primaries = get_color_primaries(s->out_prm); if (!s->out_primaries) { if (s->out_prm == AVCOL_PRI_UNSPECIFIED) { if (s->user_all == CS_UNSPECIFIED) { av_log(ctx, AV_LOG_ERROR, "Please specify output primaries\n"); } else { av_log(ctx, AV_LOG_ERROR, "Unsupported output color property %d\n", s->user_all); } } else { av_log(ctx, AV_LOG_ERROR, "Unsupported output primaries %d (%s)\n", s->out_prm, av_color_primaries_name(s->out_prm)); } return AVERROR(EINVAL); } s->lrgb2lrgb_passthrough = !memcmp(s->in_primaries, s->out_primaries, sizeof(*s->in_primaries)); if (!s->lrgb2lrgb_passthrough) { double rgb2xyz[3][3], xyz2rgb[3][3], rgb2rgb[3][3]; const struct WhitepointCoefficients *wp_out, *wp_in; wp_out = &whitepoint_coefficients[s->out_primaries->wp]; wp_in = &whitepoint_coefficients[s->in_primaries->wp]; ff_fill_rgb2xyz_table(&s->out_primaries->coeff, wp_out, rgb2xyz); ff_matrix_invert_3x3(rgb2xyz, xyz2rgb); ff_fill_rgb2xyz_table(&s->in_primaries->coeff, wp_in, rgb2xyz); if (s->out_primaries->wp != s->in_primaries->wp && s->wp_adapt != WP_ADAPT_IDENTITY) { double wpconv[3][3], tmp[3][3]; fill_whitepoint_conv_table(wpconv, s->wp_adapt, s->in_primaries->wp, s->out_primaries->wp); ff_matrix_mul_3x3(tmp, rgb2xyz, wpconv); ff_matrix_mul_3x3(rgb2rgb, tmp, xyz2rgb); } else { ff_matrix_mul_3x3(rgb2rgb, rgb2xyz, xyz2rgb); } for (m = 0; m < 3; m++) for (n = 0; n < 3; n++) { s->lrgb2lrgb_coeffs[m][n][0] = lrint(16384.0 * rgb2rgb[m][n]); for (o = 1; o < 8; o++) s->lrgb2lrgb_coeffs[m][n][o] = s->lrgb2lrgb_coeffs[m][n][0]; } emms = 1; } } if (!s->in_txchr) { av_freep(&s->lin_lut); s->in_trc = in->color_trc; if (s->user_iall != CS_UNSPECIFIED) s->in_trc = default_trc[FFMIN(s->user_iall, CS_NB)]; if (s->user_itrc != AVCOL_TRC_UNSPECIFIED) s->in_trc = s->user_itrc; s->in_txchr = get_transfer_characteristics(s->in_trc); if (!s->in_txchr) { av_log(ctx, AV_LOG_ERROR, "Unsupported input transfer characteristics %d (%s)\n", s->in_trc, av_color_transfer_name(s->in_trc)); return AVERROR(EINVAL); } } if (!s->out_txchr) { av_freep(&s->lin_lut); s->out_trc = out->color_trc; s->out_txchr = get_transfer_characteristics(s->out_trc); if (!s->out_txchr) { if (s->out_trc == AVCOL_TRC_UNSPECIFIED) { if (s->user_all == CS_UNSPECIFIED) { av_log(ctx, AV_LOG_ERROR, "Please specify output transfer characteristics\n"); } else { av_log(ctx, AV_LOG_ERROR, "Unsupported output color property %d\n", s->user_all); } } else { av_log(ctx, AV_LOG_ERROR, "Unsupported output transfer characteristics %d (%s)\n", s->out_trc, av_color_transfer_name(s->out_trc)); } return AVERROR(EINVAL); } } s->rgb2rgb_passthrough = s->fast_mode || (s->lrgb2lrgb_passthrough && !memcmp(s->in_txchr, s->out_txchr, sizeof(*s->in_txchr))); if (!s->rgb2rgb_passthrough && !s->lin_lut) { res = fill_gamma_table(s); if (res < 0) return res; emms = 1; } if (!s->in_lumacoef) { s->in_csp = in->colorspace; if (s->user_iall != CS_UNSPECIFIED) s->in_csp = default_csp[FFMIN(s->user_iall, CS_NB)]; if (s->user_icsp != AVCOL_SPC_UNSPECIFIED) s->in_csp = s->user_icsp; s->in_rng = in->color_range; if (s->user_irng != AVCOL_RANGE_UNSPECIFIED) s->in_rng = s->user_irng; s->in_lumacoef = ff_get_luma_coefficients(s->in_csp); if (!s->in_lumacoef) { av_log(ctx, AV_LOG_ERROR, "Unsupported input colorspace %d (%s)\n", s->in_csp, av_color_space_name(s->in_csp)); return AVERROR(EINVAL); } redo_yuv2rgb = 1; } if (!s->out_lumacoef) { s->out_csp = out->colorspace; s->out_rng = out->color_range; s->out_lumacoef = ff_get_luma_coefficients(s->out_csp); if (!s->out_lumacoef) { if (s->out_csp == AVCOL_SPC_UNSPECIFIED) { if (s->user_all == CS_UNSPECIFIED) { av_log(ctx, AV_LOG_ERROR, "Please specify output transfer characteristics\n"); } else { av_log(ctx, AV_LOG_ERROR, "Unsupported output color property %d\n", s->user_all); } } else { av_log(ctx, AV_LOG_ERROR, "Unsupported output transfer characteristics %d (%s)\n", s->out_csp, av_color_space_name(s->out_csp)); } return AVERROR(EINVAL); } redo_rgb2yuv = 1; } fmt_identical = in_desc->log2_chroma_h == out_desc->log2_chroma_h && in_desc->log2_chroma_w == out_desc->log2_chroma_w; s->yuv2yuv_fastmode = s->rgb2rgb_passthrough && fmt_identical; s->yuv2yuv_passthrough = s->yuv2yuv_fastmode && s->in_rng == s->out_rng && !memcmp(s->in_lumacoef, s->out_lumacoef, sizeof(*s->in_lumacoef)) && in_desc->comp[0].depth == out_desc->comp[0].depth; if (!s->yuv2yuv_passthrough) { if (redo_yuv2rgb) { double rgb2yuv[3][3], (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs; int off, bits, in_rng; res = get_range_off(ctx, &off, &s->in_y_rng, &s->in_uv_rng, s->in_rng, in_desc->comp[0].depth); if (res < 0) { av_log(ctx, AV_LOG_ERROR, "Unsupported input color range %d (%s)\n", s->in_rng, av_color_range_name(s->in_rng)); return res; } for (n = 0; n < 8; n++) s->yuv_offset[0][n] = off; ff_fill_rgb2yuv_table(s->in_lumacoef, rgb2yuv); ff_matrix_invert_3x3(rgb2yuv, yuv2rgb); bits = 1 << (in_desc->comp[0].depth - 1); for (n = 0; n < 3; n++) { for (in_rng = s->in_y_rng, m = 0; m < 3; m++, in_rng = s->in_uv_rng) { s->yuv2rgb_coeffs[n][m][0] = lrint(28672 * bits * yuv2rgb[n][m] / in_rng); for (o = 1; o < 8; o++) s->yuv2rgb_coeffs[n][m][o] = s->yuv2rgb_coeffs[n][m][0]; } } av_assert2(s->yuv2rgb_coeffs[0][1][0] == 0); av_assert2(s->yuv2rgb_coeffs[2][2][0] == 0); av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[1][0][0]); av_assert2(s->yuv2rgb_coeffs[0][0][0] == s->yuv2rgb_coeffs[2][0][0]); s->yuv2rgb = s->dsp.yuv2rgb[(in_desc->comp[0].depth - 8) >> 1] [in_desc->log2_chroma_h + in_desc->log2_chroma_w]; emms = 1; } if (redo_rgb2yuv) { double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs; int off, out_rng, bits; res = get_range_off(ctx, &off, &s->out_y_rng, &s->out_uv_rng, s->out_rng, out_desc->comp[0].depth); if (res < 0) { av_log(ctx, AV_LOG_ERROR, "Unsupported output color range %d (%s)\n", s->out_rng, av_color_range_name(s->out_rng)); return res; } for (n = 0; n < 8; n++) s->yuv_offset[1][n] = off; ff_fill_rgb2yuv_table(s->out_lumacoef, rgb2yuv); bits = 1 << (29 - out_desc->comp[0].depth); for (out_rng = s->out_y_rng, n = 0; n < 3; n++, out_rng = s->out_uv_rng) { for (m = 0; m < 3; m++) { s->rgb2yuv_coeffs[n][m][0] = lrint(bits * out_rng * rgb2yuv[n][m] / 28672); for (o = 1; o < 8; o++) s->rgb2yuv_coeffs[n][m][o] = s->rgb2yuv_coeffs[n][m][0]; } } av_assert2(s->rgb2yuv_coeffs[1][2][0] == s->rgb2yuv_coeffs[2][0][0]); s->rgb2yuv = s->dsp.rgb2yuv[(out_desc->comp[0].depth - 8) >> 1] [out_desc->log2_chroma_h + out_desc->log2_chroma_w]; s->rgb2yuv_fsb = s->dsp.rgb2yuv_fsb[(out_desc->comp[0].depth - 8) >> 1] [out_desc->log2_chroma_h + out_desc->log2_chroma_w]; emms = 1; } if (s->yuv2yuv_fastmode && (redo_yuv2rgb || redo_rgb2yuv)) { int idepth = in_desc->comp[0].depth, odepth = out_desc->comp[0].depth; double (*rgb2yuv)[3] = s->rgb2yuv_dbl_coeffs; double (*yuv2rgb)[3] = s->yuv2rgb_dbl_coeffs; double yuv2yuv[3][3]; int in_rng, out_rng; ff_matrix_mul_3x3(yuv2yuv, yuv2rgb, rgb2yuv); for (out_rng = s->out_y_rng, m = 0; m < 3; m++, out_rng = s->out_uv_rng) { for (in_rng = s->in_y_rng, n = 0; n < 3; n++, in_rng = s->in_uv_rng) { s->yuv2yuv_coeffs[m][n][0] = lrint(16384 * yuv2yuv[m][n] * out_rng * (1 << idepth) / (in_rng * (1 << odepth))); for (o = 1; o < 8; o++) s->yuv2yuv_coeffs[m][n][o] = s->yuv2yuv_coeffs[m][n][0]; } } av_assert2(s->yuv2yuv_coeffs[1][0][0] == 0); av_assert2(s->yuv2yuv_coeffs[2][0][0] == 0); s->yuv2yuv = s->dsp.yuv2yuv[(idepth - 8) >> 1][(odepth - 8) >> 1] [in_desc->log2_chroma_h + in_desc->log2_chroma_w]; } } if (emms) emms_c(); return 0; } static av_cold int init(AVFilterContext *ctx) { ColorSpaceContext *s = ctx->priv; ff_colorspacedsp_init(&s->dsp); return 0; } static void uninit(AVFilterContext *ctx) { ColorSpaceContext *s = ctx->priv; av_freep(&s->rgb[0]); av_freep(&s->rgb[1]); av_freep(&s->rgb[2]); s->rgb_sz = 0; av_freep(&s->dither_scratch_base[0][0]); av_freep(&s->dither_scratch_base[0][1]); av_freep(&s->dither_scratch_base[1][0]); av_freep(&s->dither_scratch_base[1][1]); av_freep(&s->dither_scratch_base[2][0]); av_freep(&s->dither_scratch_base[2][1]); av_freep(&s->lin_lut); } static int filter_frame(AVFilterLink *link, AVFrame *in) { AVFilterContext *ctx = link->dst; AVFilterLink *outlink = ctx->outputs[0]; ColorSpaceContext *s = ctx->priv; // FIXME if yuv2yuv_passthrough, don't get a new buffer but use the // input one if it is writable *OR* the actual literal values of in_* // and out_* are identical (not just their respective properties) AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h); int res; ptrdiff_t rgb_stride = FFALIGN(in->width * sizeof(int16_t), 32); unsigned rgb_sz = rgb_stride * in->height; ThreadData td; if (!out) { av_frame_free(&in); return AVERROR(ENOMEM); } res = av_frame_copy_props(out, in); if (res < 0) { av_frame_free(&in); av_frame_free(&out); return res; } out->color_primaries = s->user_prm == AVCOL_PRI_UNSPECIFIED ? default_prm[FFMIN(s->user_all, CS_NB)] : s->user_prm; if (s->user_trc == AVCOL_TRC_UNSPECIFIED) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format); out->color_trc = default_trc[FFMIN(s->user_all, CS_NB)]; if (out->color_trc == AVCOL_TRC_BT2020_10 && desc && desc->comp[0].depth >= 12) out->color_trc = AVCOL_TRC_BT2020_12; } else { out->color_trc = s->user_trc; } out->colorspace = s->user_csp == AVCOL_SPC_UNSPECIFIED ? default_csp[FFMIN(s->user_all, CS_NB)] : s->user_csp; out->color_range = s->user_rng == AVCOL_RANGE_UNSPECIFIED ? in->color_range : s->user_rng; if (rgb_sz != s->rgb_sz) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(out->format); int uvw = in->width >> desc->log2_chroma_w; av_freep(&s->rgb[0]); av_freep(&s->rgb[1]); av_freep(&s->rgb[2]); s->rgb_sz = 0; av_freep(&s->dither_scratch_base[0][0]); av_freep(&s->dither_scratch_base[0][1]); av_freep(&s->dither_scratch_base[1][0]); av_freep(&s->dither_scratch_base[1][1]); av_freep(&s->dither_scratch_base[2][0]); av_freep(&s->dither_scratch_base[2][1]); s->rgb[0] = av_malloc(rgb_sz); s->rgb[1] = av_malloc(rgb_sz); s->rgb[2] = av_malloc(rgb_sz); s->dither_scratch_base[0][0] = av_malloc(sizeof(*s->dither_scratch_base[0][0]) * (in->width + 4)); s->dither_scratch_base[0][1] = av_malloc(sizeof(*s->dither_scratch_base[0][1]) * (in->width + 4)); s->dither_scratch_base[1][0] = av_malloc(sizeof(*s->dither_scratch_base[1][0]) * (uvw + 4)); s->dither_scratch_base[1][1] = av_malloc(sizeof(*s->dither_scratch_base[1][1]) * (uvw + 4)); s->dither_scratch_base[2][0] = av_malloc(sizeof(*s->dither_scratch_base[2][0]) * (uvw + 4)); s->dither_scratch_base[2][1] = av_malloc(sizeof(*s->dither_scratch_base[2][1]) * (uvw + 4)); s->dither_scratch[0][0] = &s->dither_scratch_base[0][0][1]; s->dither_scratch[0][1] = &s->dither_scratch_base[0][1][1]; s->dither_scratch[1][0] = &s->dither_scratch_base[1][0][1]; s->dither_scratch[1][1] = &s->dither_scratch_base[1][1][1]; s->dither_scratch[2][0] = &s->dither_scratch_base[2][0][1]; s->dither_scratch[2][1] = &s->dither_scratch_base[2][1][1]; if (!s->rgb[0] || !s->rgb[1] || !s->rgb[2] || !s->dither_scratch_base[0][0] || !s->dither_scratch_base[0][1] || !s->dither_scratch_base[1][0] || !s->dither_scratch_base[1][1] || !s->dither_scratch_base[2][0] || !s->dither_scratch_base[2][1]) { uninit(ctx); av_frame_free(&in); av_frame_free(&out); return AVERROR(ENOMEM); } s->rgb_sz = rgb_sz; } res = create_filtergraph(ctx, in, out); if (res < 0) { av_frame_free(&in); av_frame_free(&out); return res; } s->rgb_stride = rgb_stride / sizeof(int16_t); td.in = in; td.out = out; td.in_linesize[0] = in->linesize[0]; td.in_linesize[1] = in->linesize[1]; td.in_linesize[2] = in->linesize[2]; td.out_linesize[0] = out->linesize[0]; td.out_linesize[1] = out->linesize[1]; td.out_linesize[2] = out->linesize[2]; td.in_ss_h = av_pix_fmt_desc_get(in->format)->log2_chroma_h; td.out_ss_h = av_pix_fmt_desc_get(out->format)->log2_chroma_h; if (s->yuv2yuv_passthrough) { res = av_frame_copy(out, in); if (res < 0) { av_frame_free(&in); av_frame_free(&out); return res; } } else { ctx->internal->execute(ctx, convert, &td, NULL, FFMIN((in->height + 1) >> 1, ff_filter_get_nb_threads(ctx))); } av_frame_free(&in); return ff_filter_frame(outlink, out); } static int query_formats(AVFilterContext *ctx) { static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_NONE }; int res; ColorSpaceContext *s = ctx->priv; AVFilterFormats *formats = ff_make_format_list(pix_fmts); if (!formats) return AVERROR(ENOMEM); if (s->user_format == AV_PIX_FMT_NONE) return ff_set_common_formats(ctx, formats); res = ff_formats_ref(formats, &ctx->inputs[0]->out_formats); if (res < 0) return res; formats = NULL; res = ff_add_format(&formats, s->user_format); if (res < 0) return res; return ff_formats_ref(formats, &ctx->outputs[0]->in_formats); } static int config_props(AVFilterLink *outlink) { AVFilterContext *ctx = outlink->dst; AVFilterLink *inlink = outlink->src->inputs[0]; if (inlink->w % 2 || inlink->h % 2) { av_log(ctx, AV_LOG_ERROR, "Invalid odd size (%dx%d)\n", inlink->w, inlink->h); return AVERROR_PATCHWELCOME; } outlink->w = inlink->w; outlink->h = inlink->h; outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; outlink->time_base = inlink->time_base; return 0; } #define OFFSET(x) offsetof(ColorSpaceContext, x) #define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM #define ENUM(x, y, z) { x, "", 0, AV_OPT_TYPE_CONST, { .i64 = y }, INT_MIN, INT_MAX, FLAGS, z } static const AVOption colorspace_options[] = { { "all", "Set all color properties together", OFFSET(user_all), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED }, CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" }, ENUM("bt470m", CS_BT470M, "all"), ENUM("bt470bg", CS_BT470BG, "all"), ENUM("bt601-6-525", CS_BT601_6_525, "all"), ENUM("bt601-6-625", CS_BT601_6_625, "all"), ENUM("bt709", CS_BT709, "all"), ENUM("smpte170m", CS_SMPTE170M, "all"), ENUM("smpte240m", CS_SMPTE240M, "all"), ENUM("bt2020", CS_BT2020, "all"), { "space", "Output colorspace", OFFSET(user_csp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED }, AVCOL_SPC_RGB, AVCOL_SPC_NB - 1, FLAGS, "csp"}, ENUM("bt709", AVCOL_SPC_BT709, "csp"), ENUM("fcc", AVCOL_SPC_FCC, "csp"), ENUM("bt470bg", AVCOL_SPC_BT470BG, "csp"), ENUM("smpte170m", AVCOL_SPC_SMPTE170M, "csp"), ENUM("smpte240m", AVCOL_SPC_SMPTE240M, "csp"), ENUM("ycgco", AVCOL_SPC_YCGCO, "csp"), ENUM("gbr", AVCOL_SPC_RGB, "csp"), ENUM("bt2020nc", AVCOL_SPC_BT2020_NCL, "csp"), ENUM("bt2020ncl", AVCOL_SPC_BT2020_NCL, "csp"), { "range", "Output color range", OFFSET(user_rng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED }, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" }, ENUM("tv", AVCOL_RANGE_MPEG, "rng"), ENUM("mpeg", AVCOL_RANGE_MPEG, "rng"), ENUM("pc", AVCOL_RANGE_JPEG, "rng"), ENUM("jpeg", AVCOL_RANGE_JPEG, "rng"), { "primaries", "Output color primaries", OFFSET(user_prm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED }, AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" }, ENUM("bt709", AVCOL_PRI_BT709, "prm"), ENUM("bt470m", AVCOL_PRI_BT470M, "prm"), ENUM("bt470bg", AVCOL_PRI_BT470BG, "prm"), ENUM("smpte170m", AVCOL_PRI_SMPTE170M, "prm"), ENUM("smpte240m", AVCOL_PRI_SMPTE240M, "prm"), ENUM("smpte428", AVCOL_PRI_SMPTE428, "prm"), ENUM("film", AVCOL_PRI_FILM, "prm"), ENUM("smpte431", AVCOL_PRI_SMPTE431, "prm"), ENUM("smpte432", AVCOL_PRI_SMPTE432, "prm"), ENUM("bt2020", AVCOL_PRI_BT2020, "prm"), ENUM("jedec-p22", AVCOL_PRI_JEDEC_P22, "prm"), ENUM("ebu3213", AVCOL_PRI_EBU3213, "prm"), { "trc", "Output transfer characteristics", OFFSET(user_trc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED }, AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" }, ENUM("bt709", AVCOL_TRC_BT709, "trc"), ENUM("bt470m", AVCOL_TRC_GAMMA22, "trc"), ENUM("gamma22", AVCOL_TRC_GAMMA22, "trc"), ENUM("bt470bg", AVCOL_TRC_GAMMA28, "trc"), ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"), ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"), ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"), ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"), ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"), ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"), ENUM("iec61966-2-4", AVCOL_TRC_IEC61966_2_4, "trc"), ENUM("bt2020-10", AVCOL_TRC_BT2020_10, "trc"), ENUM("bt2020-12", AVCOL_TRC_BT2020_12, "trc"), { "format", "Output pixel format", OFFSET(user_format), AV_OPT_TYPE_INT, { .i64 = AV_PIX_FMT_NONE }, AV_PIX_FMT_NONE, AV_PIX_FMT_GBRAP12LE, FLAGS, "fmt" }, ENUM("yuv420p", AV_PIX_FMT_YUV420P, "fmt"), ENUM("yuv420p10", AV_PIX_FMT_YUV420P10, "fmt"), ENUM("yuv420p12", AV_PIX_FMT_YUV420P12, "fmt"), ENUM("yuv422p", AV_PIX_FMT_YUV422P, "fmt"), ENUM("yuv422p10", AV_PIX_FMT_YUV422P10, "fmt"), ENUM("yuv422p12", AV_PIX_FMT_YUV422P12, "fmt"), ENUM("yuv444p", AV_PIX_FMT_YUV444P, "fmt"), ENUM("yuv444p10", AV_PIX_FMT_YUV444P10, "fmt"), ENUM("yuv444p12", AV_PIX_FMT_YUV444P12, "fmt"), { "fast", "Ignore primary chromaticity and gamma correction", OFFSET(fast_mode), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, { "dither", "Dithering mode", OFFSET(dither), AV_OPT_TYPE_INT, { .i64 = DITHER_NONE }, DITHER_NONE, DITHER_NB - 1, FLAGS, "dither" }, ENUM("none", DITHER_NONE, "dither"), ENUM("fsb", DITHER_FSB, "dither"), { "wpadapt", "Whitepoint adaptation method", OFFSET(wp_adapt), AV_OPT_TYPE_INT, { .i64 = WP_ADAPT_BRADFORD }, WP_ADAPT_BRADFORD, NB_WP_ADAPT - 1, FLAGS, "wpadapt" }, ENUM("bradford", WP_ADAPT_BRADFORD, "wpadapt"), ENUM("vonkries", WP_ADAPT_VON_KRIES, "wpadapt"), ENUM("identity", WP_ADAPT_IDENTITY, "wpadapt"), { "iall", "Set all input color properties together", OFFSET(user_iall), AV_OPT_TYPE_INT, { .i64 = CS_UNSPECIFIED }, CS_UNSPECIFIED, CS_NB - 1, FLAGS, "all" }, { "ispace", "Input colorspace", OFFSET(user_icsp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED }, AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "csp" }, { "irange", "Input color range", OFFSET(user_irng), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED }, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_NB - 1, FLAGS, "rng" }, { "iprimaries", "Input color primaries", OFFSET(user_iprm), AV_OPT_TYPE_INT, { .i64 = AVCOL_PRI_UNSPECIFIED }, AVCOL_PRI_RESERVED0, AVCOL_PRI_NB - 1, FLAGS, "prm" }, { "itrc", "Input transfer characteristics", OFFSET(user_itrc), AV_OPT_TYPE_INT, { .i64 = AVCOL_TRC_UNSPECIFIED }, AVCOL_TRC_RESERVED0, AVCOL_TRC_NB - 1, FLAGS, "trc" }, { NULL } }; AVFILTER_DEFINE_CLASS(colorspace); static const AVFilterPad inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .filter_frame = filter_frame, }, { NULL } }; static const AVFilterPad outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .config_props = config_props, }, { NULL } }; AVFilter ff_vf_colorspace = { .name = "colorspace", .description = NULL_IF_CONFIG_SMALL("Convert between colorspaces."), .init = init, .uninit = uninit, .query_formats = query_formats, .priv_size = sizeof(ColorSpaceContext), .priv_class = &colorspace_class, .inputs = inputs, .outputs = outputs, .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, };