1/* 2 * This file is part of MPlayer. 3 * 4 * MPlayer is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * MPlayer is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with MPlayer; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 17 */ 18 19#include <stdio.h> 20#include <stdlib.h> 21#include <string.h> 22 23#include "config.h" 24#include "mp_msg.h" 25 26#include "img_format.h" 27#include "mp_image.h" 28#include "vf.h" 29 30#include "libvo/fastmemcpy.h" 31 32struct vf_priv_s { 33 int state; 34 long long in; 35 long long out; 36}; 37 38static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) 39{ 40 mp_image_t *dmpi; 41 int ret = 0; 42 int flags = mpi->fields; 43 int state = vf->priv->state; 44 45 dmpi = ff_vf_get_image(vf->next, mpi->imgfmt, 46 MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | 47 MP_IMGFLAG_PRESERVE, mpi->width, mpi->height); 48 49 vf->priv->in++; 50 51 if ((state == 0 && 52 !(flags & MP_IMGFIELD_TOP_FIRST)) || 53 (state == 1 && 54 flags & MP_IMGFIELD_TOP_FIRST)) { 55 ff_mp_msg(MSGT_VFILTER, MSGL_WARN, 56 "softpulldown: Unexpected field flags: state=%d top_field_first=%d repeat_first_field=%d\n", 57 state, 58 (flags & MP_IMGFIELD_TOP_FIRST) != 0, 59 (flags & MP_IMGFIELD_REPEAT_FIRST) != 0); 60 state ^= 1; 61 } 62 63 if (state == 0) { 64 ret = ff_vf_next_put_image(vf, mpi, MP_NOPTS_VALUE); 65 vf->priv->out++; 66 if (flags & MP_IMGFIELD_REPEAT_FIRST) { 67 my_memcpy_pic(dmpi->planes[0], 68 mpi->planes[0], mpi->w, mpi->h/2, 69 dmpi->stride[0]*2, mpi->stride[0]*2); 70 if (mpi->flags & MP_IMGFLAG_PLANAR) { 71 my_memcpy_pic(dmpi->planes[1], 72 mpi->planes[1], 73 mpi->chroma_width, 74 mpi->chroma_height/2, 75 dmpi->stride[1]*2, 76 mpi->stride[1]*2); 77 my_memcpy_pic(dmpi->planes[2], 78 mpi->planes[2], 79 mpi->chroma_width, 80 mpi->chroma_height/2, 81 dmpi->stride[2]*2, 82 mpi->stride[2]*2); 83 } 84 state=1; 85 } 86 } else { 87 my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0], 88 mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2, 89 dmpi->stride[0]*2, mpi->stride[0]*2); 90 if (mpi->flags & MP_IMGFLAG_PLANAR) { 91 my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1], 92 mpi->planes[1]+mpi->stride[1], 93 mpi->chroma_width, mpi->chroma_height/2, 94 dmpi->stride[1]*2, mpi->stride[1]*2); 95 my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2], 96 mpi->planes[2]+mpi->stride[2], 97 mpi->chroma_width, mpi->chroma_height/2, 98 dmpi->stride[2]*2, mpi->stride[2]*2); 99 } 100 ret = ff_vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE); 101 vf->priv->out++; 102 if (flags & MP_IMGFIELD_REPEAT_FIRST) { 103 ret |= ff_vf_next_put_image(vf, mpi, MP_NOPTS_VALUE); 104 vf->priv->out++; 105 state=0; 106 } else { 107 my_memcpy_pic(dmpi->planes[0], 108 mpi->planes[0], mpi->w, mpi->h/2, 109 dmpi->stride[0]*2, mpi->stride[0]*2); 110 if (mpi->flags & MP_IMGFLAG_PLANAR) { 111 my_memcpy_pic(dmpi->planes[1], 112 mpi->planes[1], 113 mpi->chroma_width, 114 mpi->chroma_height/2, 115 dmpi->stride[1]*2, 116 mpi->stride[1]*2); 117 my_memcpy_pic(dmpi->planes[2], 118 mpi->planes[2], 119 mpi->chroma_width, 120 mpi->chroma_height/2, 121 dmpi->stride[2]*2, 122 mpi->stride[2]*2); 123 } 124 } 125 } 126 127 vf->priv->state = state; 128 129 return ret; 130} 131 132static int config(struct vf_instance *vf, 133 int width, int height, int d_width, int d_height, 134 unsigned int flags, unsigned int outfmt) 135{ 136 return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); 137} 138 139static void uninit(struct vf_instance *vf) 140{ 141 ff_mp_msg(MSGT_VFILTER, MSGL_INFO, "softpulldown: %lld frames in, %lld frames out\n", vf->priv->in, vf->priv->out); 142 free(vf->priv); 143} 144 145static int vf_open(vf_instance_t *vf, char *args) 146{ 147 vf->config = config; 148 vf->put_image = put_image; 149 vf->uninit = uninit; 150 vf->default_reqs = VFCAP_ACCEPT_STRIDE; 151 vf->priv = calloc(1, sizeof(struct vf_priv_s)); 152 vf->priv->state = 0; 153 return 1; 154} 155 156const vf_info_t ff_vf_info_softpulldown = { 157 "mpeg2 soft 3:2 pulldown", 158 "softpulldown", 159 "Tobias Diedrich <ranma+mplayer@tdiedrich.de>", 160 "", 161 vf_open, 162 NULL 163}; 164