| /* |
| * 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 <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "config.h" |
| #include "mp_msg.h" |
| |
| #include "img_format.h" |
| #include "mp_image.h" |
| #include "vf.h" |
| |
| #include "libvo/fastmemcpy.h" |
| |
| struct vf_priv_s { |
| int state; |
| long long in; |
| long long out; |
| }; |
| |
| static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
| { |
| mp_image_t *dmpi; |
| int ret = 0; |
| int flags = mpi->fields; |
| int state = vf->priv->state; |
| |
| dmpi = vf_get_image(vf->next, mpi->imgfmt, |
| MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | |
| MP_IMGFLAG_PRESERVE, mpi->width, mpi->height); |
| |
| vf->priv->in++; |
| |
| if ((state == 0 && |
| !(flags & MP_IMGFIELD_TOP_FIRST)) || |
| (state == 1 && |
| flags & MP_IMGFIELD_TOP_FIRST)) { |
| mp_msg(MSGT_VFILTER, MSGL_WARN, |
| "softpulldown: Unexpected field flags: state=%d top_field_first=%d repeat_first_field=%d\n", |
| state, |
| (flags & MP_IMGFIELD_TOP_FIRST) != 0, |
| (flags & MP_IMGFIELD_REPEAT_FIRST) != 0); |
| state ^= 1; |
| } |
| |
| if (state == 0) { |
| ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE); |
| vf->priv->out++; |
| if (flags & MP_IMGFIELD_REPEAT_FIRST) { |
| my_memcpy_pic(dmpi->planes[0], |
| mpi->planes[0], mpi->w, mpi->h/2, |
| dmpi->stride[0]*2, mpi->stride[0]*2); |
| if (mpi->flags & MP_IMGFLAG_PLANAR) { |
| my_memcpy_pic(dmpi->planes[1], |
| mpi->planes[1], |
| mpi->chroma_width, |
| mpi->chroma_height/2, |
| dmpi->stride[1]*2, |
| mpi->stride[1]*2); |
| my_memcpy_pic(dmpi->planes[2], |
| mpi->planes[2], |
| mpi->chroma_width, |
| mpi->chroma_height/2, |
| dmpi->stride[2]*2, |
| mpi->stride[2]*2); |
| } |
| state=1; |
| } |
| } else { |
| my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0], |
| mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2, |
| dmpi->stride[0]*2, mpi->stride[0]*2); |
| if (mpi->flags & MP_IMGFLAG_PLANAR) { |
| my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1], |
| mpi->planes[1]+mpi->stride[1], |
| mpi->chroma_width, mpi->chroma_height/2, |
| dmpi->stride[1]*2, mpi->stride[1]*2); |
| my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2], |
| mpi->planes[2]+mpi->stride[2], |
| mpi->chroma_width, mpi->chroma_height/2, |
| dmpi->stride[2]*2, mpi->stride[2]*2); |
| } |
| ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE); |
| vf->priv->out++; |
| if (flags & MP_IMGFIELD_REPEAT_FIRST) { |
| ret |= vf_next_put_image(vf, mpi, MP_NOPTS_VALUE); |
| vf->priv->out++; |
| state=0; |
| } else { |
| my_memcpy_pic(dmpi->planes[0], |
| mpi->planes[0], mpi->w, mpi->h/2, |
| dmpi->stride[0]*2, mpi->stride[0]*2); |
| if (mpi->flags & MP_IMGFLAG_PLANAR) { |
| my_memcpy_pic(dmpi->planes[1], |
| mpi->planes[1], |
| mpi->chroma_width, |
| mpi->chroma_height/2, |
| dmpi->stride[1]*2, |
| mpi->stride[1]*2); |
| my_memcpy_pic(dmpi->planes[2], |
| mpi->planes[2], |
| mpi->chroma_width, |
| mpi->chroma_height/2, |
| dmpi->stride[2]*2, |
| mpi->stride[2]*2); |
| } |
| } |
| } |
| |
| vf->priv->state = state; |
| |
| return ret; |
| } |
| |
| static int config(struct vf_instance *vf, |
| int width, int height, int d_width, int d_height, |
| unsigned int flags, unsigned int outfmt) |
| { |
| return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); |
| } |
| |
| static void uninit(struct vf_instance *vf) |
| { |
| mp_msg(MSGT_VFILTER, MSGL_INFO, "softpulldown: %lld frames in, %lld frames out\n", vf->priv->in, vf->priv->out); |
| free(vf->priv); |
| } |
| |
| static int vf_open(vf_instance_t *vf, char *args) |
| { |
| struct vf_priv_s *p; |
| vf->config = config; |
| vf->put_image = put_image; |
| vf->uninit = uninit; |
| vf->default_reqs = VFCAP_ACCEPT_STRIDE; |
| vf->priv = p = calloc(1, sizeof(struct vf_priv_s)); |
| vf->priv->state = 0; |
| return 1; |
| } |
| |
| const vf_info_t vf_info_softpulldown = { |
| "mpeg2 soft 3:2 pulldown", |
| "softpulldown", |
| "Tobias Diedrich <ranma+mplayer@tdiedrich.de>", |
| "", |
| vf_open, |
| NULL |
| }; |