/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include #include #include #include "config.h" #include "core/mp_msg.h" #include "core/options.h" #include "video/img_format.h" #include "video/mp_image.h" #include "vf.h" #include "video/fmt-conversion.h" #include "compat/mpbswap.h" #include "video/sws_utils.h" #include "video/csputils.h" #include "video/out/vo.h" #include "core/m_option.h" #include "core/m_struct.h" static struct vf_priv_s { int w, h; int cfg_w, cfg_h; int v_chr_drop; double param[2]; unsigned int fmt; struct SwsContext *ctx; int interlaced; int noup; int accurate_rnd; } const vf_priv_dflt = { 0, 0, -1, -1, 0, {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT}, }; static int mp_sws_set_colorspace(struct SwsContext *sws, struct mp_image_params *p); //===========================================================================// static const unsigned int outfmt_list[] = { // YUV: IMGFMT_444P, IMGFMT_444P16_LE, IMGFMT_444P16_BE, IMGFMT_444P14_LE, IMGFMT_444P14_BE, IMGFMT_444P12_LE, IMGFMT_444P12_BE, IMGFMT_444P10_LE, IMGFMT_444P10_BE, IMGFMT_444P9_LE, IMGFMT_444P9_BE, IMGFMT_422P, IMGFMT_422P16_LE, IMGFMT_422P16_BE, IMGFMT_422P14_LE, IMGFMT_422P14_BE, IMGFMT_422P12_LE, IMGFMT_422P12_BE, IMGFMT_422P10_LE, IMGFMT_422P10_BE, IMGFMT_422P9_LE, IMGFMT_422P9_BE, IMGFMT_420P, IMGFMT_420P16_LE, IMGFMT_420P16_BE, IMGFMT_420P14_LE, IMGFMT_420P14_BE, IMGFMT_420P12_LE, IMGFMT_420P12_BE, IMGFMT_420P10_LE, IMGFMT_420P10_BE, IMGFMT_420P9_LE, IMGFMT_420P9_BE, IMGFMT_420AP, IMGFMT_410P, IMGFMT_411P, IMGFMT_NV12, IMGFMT_NV21, IMGFMT_YUYV, IMGFMT_UYVY, IMGFMT_440P, // RGB and grayscale (Y8 and Y800): IMGFMT_BGR32, IMGFMT_RGB32, IMGFMT_ABGR, IMGFMT_ARGB, IMGFMT_BGRA, IMGFMT_RGBA, IMGFMT_BGR24, IMGFMT_RGB24, IMGFMT_GBRP, IMGFMT_RGB48_LE, IMGFMT_RGB48_BE, IMGFMT_BGR16, IMGFMT_RGB16, IMGFMT_BGR15, IMGFMT_RGB15, IMGFMT_BGR12, IMGFMT_RGB12, IMGFMT_Y8, IMGFMT_BGR8, IMGFMT_RGB8, IMGFMT_BGR4, IMGFMT_RGB4, IMGFMT_RGB4_BYTE, IMGFMT_BGR4_BYTE, IMGFMT_MONO, IMGFMT_MONO_W, 0 }; /** * A list of preferred conversions, in order of preference. * This should be used for conversions that e.g. involve no scaling * or to stop vf_scale from choosing a conversion that has no * fast assembler implementation. */ static int preferred_conversions[][2] = { {IMGFMT_YUYV, IMGFMT_UYVY}, {IMGFMT_YUYV, IMGFMT_422P}, {IMGFMT_UYVY, IMGFMT_YUYV}, {IMGFMT_UYVY, IMGFMT_422P}, {IMGFMT_422P, IMGFMT_YUYV}, {IMGFMT_422P, IMGFMT_UYVY}, {IMGFMT_420P10, IMGFMT_420P}, {IMGFMT_GBRP, IMGFMT_BGR24}, {IMGFMT_GBRP, IMGFMT_RGB24}, {IMGFMT_GBRP, IMGFMT_BGR32}, {IMGFMT_GBRP, IMGFMT_RGB32}, {IMGFMT_PAL8, IMGFMT_BGR32}, {IMGFMT_XYZ12, IMGFMT_RGB48}, {0, 0} }; static unsigned int find_best_out(vf_instance_t *vf, int in_format) { unsigned int best = 0; int i = -1; int j = -1; int format = 0; // find the best outfmt: while (1) { int ret; if (j < 0) { format = in_format; j = 0; } else if (i < 0) { while (preferred_conversions[j][0] && preferred_conversions[j][0] != in_format) j++; format = preferred_conversions[j++][1]; // switch to standard list if (!format) i = 0; } if (i >= 0) format = outfmt_list[i++]; if (!format) break; ret = vf_next_query_format(vf, format); mp_msg(MSGT_VFILTER, MSGL_DBG2, "scale: query(%s) -> %d\n", vo_format_name( format), ret & 3); if (ret & VFCAP_CSP_SUPPORTED_BY_HW) { best = format; // no conversion -> bingo! break; } if (ret & VFCAP_CSP_SUPPORTED && !best) best = format; // best with conversion } return best; } static int reconfig(struct vf_instance *vf, struct mp_image_params *p, int flags) { int width = p->w, height = p->h, d_width = p->d_w, d_height = p->d_h; unsigned int outfmt = p->imgfmt; unsigned int best = find_best_out(vf, outfmt); int int_sws_flags = 0; int round_w = 0, round_h = 0; SwsFilter *srcFilter, *dstFilter; enum PixelFormat dfmt, sfmt; if (!best) { mp_msg(MSGT_VFILTER, MSGL_WARN, "SwScale: no supported outfmt found :(\n"); return -1; } sfmt = imgfmt2pixfmt(outfmt); dfmt = imgfmt2pixfmt(best); vf->next->query_format(vf->next, best); vf->priv->w = vf->priv->cfg_w; vf->priv->h = vf->priv->cfg_h; if (vf->priv->w <= -8) { vf->priv->w += 8; round_w = 1; } if (vf->priv->h <= -8) { vf->priv->h += 8; round_h = 1; } if (vf->priv->w < -3 || vf->priv->h < -3 || (vf->priv->w < -1 && vf->priv->h < -1)) { // TODO: establish a direct connection to the user's brain // and find out what the heck he thinks MPlayer should do // with this nonsense. mp_msg(MSGT_VFILTER, MSGL_ERR, "SwScale: EUSERBROKEN Check your parameters, they make no sense!\n"); return -1; } if (vf->priv->w == -1) vf->priv->w = width; if (vf->priv->w == 0) vf->priv->w = d_width; if (vf->priv->h == -1) vf->priv->h = height; if (vf->priv->h == 0) vf->priv->h = d_height; if (vf->priv->w == -3) vf->priv->w = vf->priv->h * width / height; if (vf->priv->w == -2) vf->priv->w = vf->priv->h * d_width / d_height; if (vf->priv->h == -3) vf->priv->h = vf->priv->w * height / width; if (vf->priv->h == -2) vf->priv->h = vf->priv->w * d_height / d_width; if (round_w) vf->priv->w = ((vf->priv->w + 8) / 16) * 16; if (round_h) vf->priv->h = ((vf->priv->h + 8) / 16) * 16; // check for upscaling, now that all parameters had been applied if (vf->priv->noup) { if ((vf->priv->w > width) + (vf->priv->h > height) >= vf->priv->noup) { vf->priv->w = width; vf->priv->h = height; } } // calculate the missing parameters: switch (best) { case IMGFMT_420P: /* YV12 needs w & h rounded to 2 */ case IMGFMT_NV12: case IMGFMT_NV21: vf->priv->h = (vf->priv->h + 1) & ~1; case IMGFMT_YUYV: /* YUY2 needs w rounded to 2 */ case IMGFMT_UYVY: vf->priv->w = (vf->priv->w + 1) & ~1; } mp_msg(MSGT_VFILTER, MSGL_DBG2, "SwScale: scaling %dx%d %s to %dx%d %s \n", width, height, vo_format_name(outfmt), vf->priv->w, vf->priv->h, vo_format_name(best)); // free old ctx: if (vf->priv->ctx) sws_freeContext(vf->priv->ctx); // new swscaler: sws_getFlagsAndFilterFromCmdLine(&int_sws_flags, &srcFilter, &dstFilter); int_sws_flags |= vf->priv->v_chr_drop << SWS_SRC_V_CHR_DROP_SHIFT; int_sws_flags |= vf->priv->accurate_rnd * SWS_ACCURATE_RND; vf->priv->ctx = sws_getContext(width, height >> vf->priv->interlaced, sfmt, vf->priv->w, vf->priv->h >> vf->priv->interlaced, dfmt, int_sws_flags, srcFilter, dstFilter, vf->priv->param); if (!vf->priv->ctx) { // error... mp_msg(MSGT_VFILTER, MSGL_WARN, "Couldn't init SwScaler for this setup\n"); return -1; } vf->priv->fmt = best; // Compute new d_width and d_height, preserving aspect // while ensuring that both are >= output size in pixels. if (vf->priv->h * d_width > vf->priv->w * d_height) { d_width = vf->priv->h * d_width / d_height; d_height = vf->priv->h; } else { d_height = vf->priv->w * d_height / d_width; d_width = vf->priv->w; } //d_width=d_width*vf->priv->w/width; //d_height=d_height*vf->priv->h/height; p->w = vf->priv->w; p->h = vf->priv->h; p->d_w = d_width; p->d_h = d_height; p->imgfmt = best; mp_sws_set_colorspace(vf->priv->ctx, p); // In particular, fix up colorspace/levels if YUV<->RGB conversion is // performed. p->colorlevels = MP_CSP_LEVELS_TV; // in case output is YUV mp_image_params_guess_csp(p); return vf_next_reconfig(vf, p, flags); } static void scale(struct SwsContext *sws1, struct SwsContext *sws2, uint8_t *src[MP_MAX_PLANES], int src_stride[MP_MAX_PLANES], int y, int h, uint8_t *dst[MP_MAX_PLANES], int dst_stride[MP_MAX_PLANES], int interlaced) { const uint8_t *src2[MP_MAX_PLANES] = {src[0], src[1], src[2], src[3]}; #if BYTE_ORDER == BIG_ENDIAN uint32_t pal2[256]; if (src[1] && !src[2]) { for (int i = 0; i < 256; i++) pal2[i] = bswap_32(((uint32_t *)src[1])[i]); src2[1] = pal2; } #endif if (interlaced) { int i; uint8_t *dst2[MP_MAX_PLANES] = {dst[0], dst[1], dst[2], dst[3]}; int src_stride2[MP_MAX_PLANES] = {2 * src_stride[0], 2 * src_stride[1], 2 * src_stride[2], 2 * src_stride[3]}; int dst_stride2[MP_MAX_PLANES] = {2 * dst_stride[0], 2 * dst_stride[1], 2 * dst_stride[2], 2 * dst_stride[3]}; sws_scale(sws1, src2, src_stride2, y >> 1, h >> 1, dst2, dst_stride2); for (i = 0; i < MP_MAX_PLANES; i++) { src2[i] += src_stride[i]; dst2[i] += dst_stride[i]; } sws_scale(sws2, src2, src_stride2, y >> 1, h >> 1, dst2, dst_stride2); } else { sws_scale(sws1, src2, src_stride, y, h, dst, dst_stride); } } static struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi) { struct mp_image *dmpi = vf_alloc_out_image(vf); mp_image_copy_attributes(dmpi, mpi); scale(vf->priv->ctx, vf->priv->ctx, mpi->planes, mpi->stride, 0, mpi->h, dmpi->planes, dmpi->stride, vf->priv->interlaced); talloc_free(mpi); return dmpi; } static int control(struct vf_instance *vf, int request, void *data) { int *table; int *inv_table; int r; int brightness, contrast, saturation, srcRange, dstRange; vf_equalizer_t *eq; if (vf->priv->ctx) { switch (request) { case VFCTRL_GET_EQUALIZER: r = sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation); if (r < 0) break; eq = data; if (!strcmp(eq->item, "brightness")) eq->value = ((brightness * 100) + (1 << 15)) >> 16; else if (!strcmp(eq->item, "contrast")) eq->value = (((contrast * 100) + (1 << 15)) >> 16) - 100; else if (!strcmp(eq->item, "saturation")) eq->value = (((saturation * 100) + (1 << 15)) >> 16) - 100; else break; return CONTROL_TRUE; case VFCTRL_SET_EQUALIZER: r = sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation); if (r < 0) break; eq = data; if (!strcmp(eq->item, "brightness")) brightness = ((eq->value << 16) + 50) / 100; else if (!strcmp(eq->item, "contrast")) contrast = (((eq->value + 100) << 16) + 50) / 100; else if (!strcmp(eq->item, "saturation")) saturation = (((eq->value + 100) << 16) + 50) / 100; else break; r = sws_setColorspaceDetails(vf->priv->ctx, inv_table, srcRange, table, dstRange, brightness, contrast, saturation); if (r < 0) break; return CONTROL_TRUE; default: break; } } return vf_next_control(vf, request, data); } static const int mp_csp_to_swscale[MP_CSP_COUNT] = { [MP_CSP_BT_601] = SWS_CS_ITU601, [MP_CSP_BT_709] = SWS_CS_ITU709, [MP_CSP_SMPTE_240M] = SWS_CS_SMPTE240M, }; // Adjust the colorspace used for YUV->RGB conversion. On other conversions, // do nothing or return an error. // Return 0 on success and -1 on error. static int mp_sws_set_colorspace(struct SwsContext *sws, struct mp_image_params *p) { int *table, *inv_table; int brightness, contrast, saturation, srcRange, dstRange; // NOTE: returns an error if the destination format is YUV if (sws_getColorspaceDetails(sws, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation) == -1) goto error_out; int sws_csp = mp_csp_to_swscale[p->colorspace]; if (sws_csp == 0) { // colorspace not supported, go with a reasonable default sws_csp = SWS_CS_ITU601; } /* The swscale API for these is hardly documented. * Apparently table/range only apply to YUV. Thus dstRange has no effect * for YUV->RGB conversions, and conversions to limited-range RGB are * not supported. */ srcRange = p->colorlevels == MP_CSP_LEVELS_PC; const int *new_inv_table = sws_getCoefficients(sws_csp); if (sws_setColorspaceDetails(sws, new_inv_table, srcRange, table, dstRange, brightness, contrast, saturation) == -1) goto error_out; return 0; error_out: return -1; } //===========================================================================// static int query_format(struct vf_instance *vf, unsigned int fmt) { if (!IMGFMT_IS_HWACCEL(fmt) && imgfmt2pixfmt(fmt) != PIX_FMT_NONE) { unsigned int best = find_best_out(vf, fmt); int flags; if (!best) return 0; // no matching out-fmt flags = vf_next_query_format(vf, best); if (!(flags & (VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW))) return 0; if (fmt != best) flags &= ~VFCAP_CSP_SUPPORTED_BY_HW; return flags; } return 0; // nomatching in-fmt } static void uninit(struct vf_instance *vf) { if (vf->priv->ctx) sws_freeContext(vf->priv->ctx); } static int vf_open(vf_instance_t *vf, char *args) { vf->reconfig = reconfig; vf->filter = filter; vf->query_format = query_format; vf->control = control; vf->uninit = uninit; mp_msg(MSGT_VFILTER, MSGL_V, "SwScale params: %d x %d (-1=no scaling)\n", vf->priv->cfg_w, vf->priv->cfg_h); return 1; } #undef ST_OFF #define ST_OFF(f) M_ST_OFF(struct vf_priv_s, f) static const m_option_t vf_opts_fields[] = { {"w", ST_OFF(cfg_w), CONF_TYPE_INT, M_OPT_MIN, -11, 0, NULL}, {"h", ST_OFF(cfg_h), CONF_TYPE_INT, M_OPT_MIN, -11, 0, NULL}, {"interlaced", ST_OFF(interlaced), CONF_TYPE_INT, M_OPT_RANGE, 0, 1, NULL}, {"chr-drop", ST_OFF(v_chr_drop), CONF_TYPE_INT, M_OPT_RANGE, 0, 3, NULL}, {"param", ST_OFF(param[0]), CONF_TYPE_DOUBLE, M_OPT_RANGE, 0.0, 100.0, NULL}, {"param2", ST_OFF(param[1]), CONF_TYPE_DOUBLE, M_OPT_RANGE, 0.0, 100.0, NULL}, {"noup", ST_OFF(noup), CONF_TYPE_INT, M_OPT_RANGE, 0, 2, NULL}, {"arnd", ST_OFF(accurate_rnd), CONF_TYPE_FLAG, 0, 0, 1, NULL}, { NULL, NULL, 0, 0, 0, 0, NULL } }; static const m_struct_t vf_opts = { "scale", sizeof(struct vf_priv_s), &vf_priv_dflt, vf_opts_fields }; const vf_info_t vf_info_scale = { "software scaling", "scale", "A'rpi", "", vf_open, &vf_opts }; //===========================================================================//