From e15ae9a60043d8d9c1b110607c5059f13ca86421 Mon Sep 17 00:00:00 2001 From: eugeni Date: Fri, 7 Jul 2006 18:26:51 +0000 Subject: Initial libass release (without mencoder support). git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18942 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpcodecs/vf_ass.c | 435 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 435 insertions(+) create mode 100644 libmpcodecs/vf_ass.c (limited to 'libmpcodecs/vf_ass.c') diff --git a/libmpcodecs/vf_ass.c b/libmpcodecs/vf_ass.c new file mode 100644 index 0000000000..39f073197a --- /dev/null +++ b/libmpcodecs/vf_ass.c @@ -0,0 +1,435 @@ +#include "config.h" + +#include +#include +#include +#include +#include + +#include "config.h" +#include "mp_msg.h" +#include "help_mp.h" + +#include "img_format.h" +#include "mp_image.h" +#include "vf.h" + +#include "libvo/fastmemcpy.h" + +#include "m_option.h" +#include "m_struct.h" + +#include "libass/ass.h" +#include "libass/ass_mp.h" + +#define _r(c) ((c)>>24) +#define _g(c) (((c)>>16)&0xFF) +#define _b(c) (((c)>>8)&0xFF) +#define _a(c) ((c)&0xFF) +#define rgba2y(c) ( (( 263*_r(c) + 516*_g(c) + 100*_b(c)) >> 10) + 16 ) +#define rgba2u(c) ( ((-152*_r(c) - 298*_g(c) + 450*_b(c)) >> 10) + 128 ) +#define rgba2v(c) ( (( 450*_r(c) - 376*_g(c) - 73*_b(c)) >> 10) + 128 ) + + +static struct vf_priv_s { + int outh, outw; + + unsigned int outfmt; + + // 1 = auto-added filter: insert only if chain does not support EOSD already + // 0 = insert always + int auto_insert; + + ass_instance_t* ass_priv; + + unsigned char* planes[3]; + unsigned char* dirty_rows; +} vf_priv_dflt; + +extern int opt_screen_size_x; +extern int opt_screen_size_y; + +extern ass_track_t* ass_track; +extern float sub_delay; +extern int sub_visibility; + +static int config(struct vf_instance_s* vf, + int width, int height, int d_width, int d_height, + unsigned int flags, unsigned int outfmt) +{ + ass_settings_t settings; + + if (outfmt == IMGFMT_IF09) return 0; + + vf->priv->outh = height + ass_top_margin + ass_bottom_margin; + vf->priv->outw = width; + + if(!opt_screen_size_x && !opt_screen_size_y){ + d_width = d_width * vf->priv->outw / width; + d_height = d_height * vf->priv->outh / height; + } + + vf->priv->planes[1] = (unsigned char*)malloc(vf->priv->outw * vf->priv->outh); + vf->priv->planes[2] = (unsigned char*)malloc(vf->priv->outw * vf->priv->outh); + vf->priv->dirty_rows = (unsigned char*)malloc(vf->priv->outh); + + if (vf->priv->ass_priv) { + settings.frame_width = vf->priv->outw; + settings.frame_height = vf->priv->outh; + settings.font_size_coeff = ass_font_scale; + settings.line_spacing = ass_line_spacing; + settings.top_margin = ass_top_margin; + settings.bottom_margin = ass_bottom_margin; + settings.aspect = ((double)d_width) / d_height; + + ass_configure(vf->priv->ass_priv, &settings); + } + + return vf_next_config(vf, vf->priv->outw, vf->priv->outh, d_width, d_height, flags, outfmt); +} + +static void get_image(struct vf_instance_s* vf, mp_image_t *mpi) +{ + if(mpi->type == MP_IMGTYPE_IPB) return; + if(mpi->flags & MP_IMGFLAG_PRESERVE) return; + if(mpi->imgfmt != vf->priv->outfmt) return; // colorspace differ + + // width never changes, always try full DR + mpi->priv = vf->dmpi = vf_get_image(vf->next, mpi->imgfmt, + mpi->type, mpi->flags, + vf->priv->outw, + vf->priv->outh); + + if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) && + !(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){ + mp_msg(MSGT_VFILTER, MSGL_INFO, MSGTR_MPCODECS_FullDRNotPossible); + return; + } + + // set up mpi as a cropped-down image of dmpi: + if(mpi->flags&MP_IMGFLAG_PLANAR){ + mpi->planes[0]=vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0]; + mpi->planes[1]=vf->dmpi->planes[1] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[1]; + mpi->planes[2]=vf->dmpi->planes[2] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[2]; + mpi->stride[1]=vf->dmpi->stride[1]; + mpi->stride[2]=vf->dmpi->stride[2]; + } else { + mpi->planes[0]=vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0]; + } + mpi->stride[0]=vf->dmpi->stride[0]; + mpi->width=vf->dmpi->width; + mpi->flags|=MP_IMGFLAG_DIRECT; + mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK; +// vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK; +} + +static void blank(mp_image_t *mpi, int y1, int y2) +{ + int color[3] = {16, 128, 128}; // black (YUV) + int y; + unsigned char* dst; + int chroma_rows = (y2 - y1) >> mpi->chroma_y_shift; + + dst = mpi->planes[0] + y1 * mpi->stride[0]; + for (y = 0; y < y2 - y1; ++y) { + memset(dst, color[0], mpi->w); + dst += mpi->stride[0]; + } + dst = mpi->planes[1] + (y1 >> mpi->chroma_y_shift) * mpi->stride[1]; + for (y = 0; y < chroma_rows ; ++y) { + memset(dst, color[1], mpi->chroma_width); + dst += mpi->stride[1]; + } + dst = mpi->planes[2] + (y1 >> mpi->chroma_y_shift) * mpi->stride[2]; + for (y = 0; y < chroma_rows ; ++y) { + memset(dst, color[2], mpi->chroma_width); + dst += mpi->stride[2]; + } +} + +static int prepare_image(struct vf_instance_s* vf, mp_image_t *mpi) +{ + if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){ + vf->dmpi = mpi->priv; + if (!vf->dmpi) { mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_FunWhydowegetNULL); return 0; } + mpi->priv = NULL; + // we've used DR, so we're ready... + if (ass_top_margin) + blank(vf->dmpi, 0, ass_top_margin); + if (ass_bottom_margin) + blank(vf->dmpi, vf->priv->outh - ass_bottom_margin, vf->priv->outh); + if(!(mpi->flags&MP_IMGFLAG_PLANAR)) + vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette + return 0; + } + + // hope we'll get DR buffer: + vf->dmpi = vf_get_image(vf->next, vf->priv->outfmt, + MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, + vf->priv->outw, vf->priv->outh); + + // copy mpi->dmpi... + if(mpi->flags&MP_IMGFLAG_PLANAR){ + memcpy_pic(vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0], + mpi->planes[0], mpi->w, mpi->h, + vf->dmpi->stride[0], mpi->stride[0]); + memcpy_pic(vf->dmpi->planes[1] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[1], + mpi->planes[1], mpi->w >> mpi->chroma_x_shift, mpi->h >> mpi->chroma_y_shift, + vf->dmpi->stride[1], mpi->stride[1]); + memcpy_pic(vf->dmpi->planes[2] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[2], + mpi->planes[2], mpi->w >> mpi->chroma_x_shift, mpi->h >> mpi->chroma_y_shift, + vf->dmpi->stride[2], mpi->stride[2]); + } else { + memcpy_pic(vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0], + mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h, + vf->dmpi->stride[0], mpi->stride[0]); + vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette + } + if (ass_top_margin) + blank(vf->dmpi, 0, ass_top_margin); + if (ass_bottom_margin) + blank(vf->dmpi, vf->priv->outh - ass_bottom_margin, vf->priv->outh); + return 0; +} + +/** + * \brief Copy specified rows from render_context.dmpi to render_context.planes, upsampling to 4:4:4 + */ +static void copy_from_image(struct vf_instance_s* vf, int first_row, int last_row) +{ + int pl; + int i, j, k; + unsigned char val; + int chroma_rows; + + first_row -= (first_row % 2); + last_row += (last_row % 2); + chroma_rows = (last_row - first_row) / 2; + + for (pl = 1; pl < 3; ++pl) { + int dst_stride = vf->dmpi->stride[pl] * 2; + int src_stride = vf->dmpi->stride[pl]; + + unsigned char* src = vf->dmpi->planes[pl] + (first_row/2) * src_stride; + unsigned char* dst = vf->priv->planes[pl] + first_row * dst_stride; + unsigned char* dst_next = dst + dst_stride; + for(i = 0; i < chroma_rows; ++i) + { + if ((vf->priv->dirty_rows[first_row + i*2] == 0) || + (vf->priv->dirty_rows[first_row + i*2 + 1] == 0)) { + for (j = 0, k = 0; j < vf->dmpi->chroma_width; ++j, k+=2) { + val = *(src + j); + *(dst + k) = val; + *(dst + k + 1) = val; + *(dst_next + k) = val; + *(dst_next + k + 1) = val; + } + } + src += src_stride; + dst = dst_next + dst_stride; + dst_next = dst + dst_stride; + } + } + for (i = first_row; i < last_row; ++i) + vf->priv->dirty_rows[i] = 1; +} + +/** + * \brief Copy all previously copied rows back to render_context.dmpi + */ +static void copy_to_image(struct vf_instance_s* vf) +{ + int pl; + int i, j, k; + for (pl = 1; pl < 3; ++pl) { + int dst_stride = vf->dmpi->stride[pl]; + int src_stride = vf->dmpi->stride[pl] * 2; + + unsigned char* dst = vf->dmpi->planes[pl]; + unsigned char* src = vf->priv->planes[pl]; + unsigned char* src_next = vf->priv->planes[pl] + src_stride; + for(i = 0; i < vf->dmpi->chroma_height; ++i) + { + if ((vf->priv->dirty_rows[i*2] == 1)) { + assert(vf->priv->dirty_rows[i*2 + 1] == 1); + for (j = 0, k = 0; j < vf->dmpi->chroma_width; ++j, k+=2) { + unsigned val = 0; + val += *(src + k); + val += *(src + k + 1); + val += *(src_next + k); + val += *(src_next + k + 1); + *(dst + j) = val >> 2; + } + } + dst += dst_stride; + src = src_next + src_stride; + src_next = src + src_stride; + } + } +} + +static void my_draw_bitmap(struct vf_instance_s* vf, unsigned char* bitmap, int bitmap_w, int bitmap_h, int stride, int dst_x, int dst_y, unsigned color) +{ + unsigned char y = rgba2y(color); + unsigned char u = rgba2u(color); + unsigned char v = rgba2v(color); + unsigned char opacity = 255 - _a(color); + unsigned char* src; + unsigned char* dst; + int i, j; + mp_image_t* dmpi = vf->dmpi; + + + src = bitmap; + dst = dmpi->planes[0] + dst_x + dst_y * dmpi->stride[0]; + for(i = 0; i < bitmap_h; ++i) + { + for (j = 0; j < bitmap_w; ++j) { + // unsigned k = *(src+j); + unsigned k = ((unsigned)*(bitmap + stride * i + j)) * opacity / 255; + unsigned char orig_color = *(dst+j); + *(dst+j) = (k*y + (255-k)*orig_color) / 255; + } + src += stride; + dst += dmpi->stride[0]; + } + + for (i = 0; i < bitmap_h; ++i) { + for (j = 0; j < bitmap_w; ++j) { + int x = dst_x + j; + int y = dst_y + i; + unsigned k; + unsigned char orig_u, orig_v; + unsigned char new_u, new_v; + + k = ((unsigned)*(bitmap + stride * i + j)) * opacity / 255; + + orig_u = *(vf->priv->planes[1] + x + y * 2 * dmpi->chroma_width); + new_u = (k*u + (255-k)*orig_u) / 255; + *(vf->priv->planes[1] + x + y * 2 * dmpi->chroma_width) = new_u; + + orig_v = *(vf->priv->planes[2] + x + y * 2 * dmpi->chroma_width); + new_v = (k*v + (255-k)*orig_v) / 255; + *(vf->priv->planes[2] + x + y * 2 * dmpi->chroma_width) = new_v; + } + } +} + +static int render_frame(struct vf_instance_s* vf, mp_image_t *mpi, const ass_image_t* img) +{ + if (img) { + memset(vf->priv->dirty_rows, 0, vf->priv->outh); // reset dirty rows + while (img) { + copy_from_image(vf, img->dst_y, img->dst_y + img->h); + my_draw_bitmap(vf, img->bitmap, img->w, img->h, img->stride, + img->dst_x, img->dst_y, img->color); + img = img->next; + } + copy_to_image(vf); + } + return 0; +} + +static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts) +{ + ass_image_t* images = 0; + if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE)) + images = ass_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5); + + prepare_image(vf, mpi); + if (images) render_frame(vf, mpi, images); + + return vf_next_put_image(vf, vf->dmpi, pts); +} + +static int query_format(struct vf_instance_s* vf, unsigned int fmt) +{ + switch(fmt){ + case IMGFMT_YV12: + case IMGFMT_I420: + case IMGFMT_IYUV: + return vf_next_query_format(vf, vf->priv->outfmt); + } + return 0; +} + +static int control(vf_instance_t *vf, int request, void *data) +{ + if (request == VFCTRL_EOSD) { + vf->priv->ass_priv = ass_init(); + if (!vf->priv->ass_priv) { + mp_msg(MSGT_VFILTER, MSGL_ERR, "[ass] init failed\n"); + return 0; + } else + mp_msg(MSGT_VFILTER, MSGL_INFO, "[ass] init\n"); + return CONTROL_TRUE; + } + return vf_next_control(vf, request, data); +} + +static void uninit(struct vf_instance_s* vf) +{ + if (vf->priv->ass_priv) + ass_done(vf->priv->ass_priv); + if (vf->priv->planes[1]) + free(vf->priv->planes[1]); + if (vf->priv->planes[2]) + free(vf->priv->planes[2]); + if (vf->priv->dirty_rows) + free(vf->priv->dirty_rows); +} + +static unsigned int fmt_list[]={ + IMGFMT_YV12, + IMGFMT_I420, + IMGFMT_IYUV, + 0 +}; + +static int open(vf_instance_t *vf, char* args) +{ + int flags; + vf->priv->outfmt = vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12); + if (vf->priv->outfmt) + flags = vf_next_query_format(vf, vf->priv->outfmt); + if (!vf->priv->outfmt || (vf->priv->auto_insert && flags&VFCAP_EOSD)) + { + uninit(vf); + return 0; + } + + if (vf->priv->auto_insert) + mp_msg(MSGT_VFILTER, MSGL_INFO, "[ass] auto-open\n"); + + vf->config = config; + vf->query_format = query_format; + vf->uninit = uninit; + vf->control = control; + vf->get_image = get_image; + vf->put_image = put_image; + vf->default_caps=VFCAP_EOSD; + return 1; +} + +#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f) +static m_option_t vf_opts_fields[] = { + {"auto", ST_OFF(auto_insert), CONF_TYPE_FLAG, 0 , 0, 1, NULL}, + { NULL, NULL, 0, 0, 0, 0, NULL } +}; + +static m_struct_t vf_opts = { + "ass", + sizeof(struct vf_priv_s), + &vf_priv_dflt, + vf_opts_fields +}; + +vf_info_t vf_info_ass = { + "Render ASS/SSA subtitles", + "ass", + "Evgeniy Stepanov", + "", + open, + &vf_opts +}; + -- cgit v1.2.3