mirror of https://github.com/FFmpeg/FFmpeg.git
It is supposed to work correctly with MEncoder only. Signed-off-by: Paul B Mahol <onemda@gmail.com>pull/109/head
Paul B Mahol
10 years ago
parent
d0f315ab6c
commit
9fd925dee5
5 changed files with 1 additions and 169 deletions
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/*
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* This file is part of MPlayer. |
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* |
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* MPlayer is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* MPlayer is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with MPlayer; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "config.h" |
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#include "mp_msg.h" |
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#include "img_format.h" |
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#include "mp_image.h" |
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#include "vf.h" |
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#include "libvo/fastmemcpy.h" |
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struct vf_priv_s { |
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int state; |
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long long in; |
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long long out; |
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}; |
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static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
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{ |
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mp_image_t *dmpi; |
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int ret = 0; |
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int flags = mpi->fields; |
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int state = vf->priv->state; |
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dmpi = ff_vf_get_image(vf->next, mpi->imgfmt, |
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MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | |
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MP_IMGFLAG_PRESERVE, mpi->width, mpi->height); |
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vf->priv->in++; |
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if ((state == 0 && |
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!(flags & MP_IMGFIELD_TOP_FIRST)) || |
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(state == 1 && |
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flags & MP_IMGFIELD_TOP_FIRST)) { |
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ff_mp_msg(MSGT_VFILTER, MSGL_WARN, |
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"softpulldown: Unexpected field flags: state=%d top_field_first=%d repeat_first_field=%d\n", |
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state, |
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(flags & MP_IMGFIELD_TOP_FIRST) != 0, |
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(flags & MP_IMGFIELD_REPEAT_FIRST) != 0); |
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state ^= 1; |
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} |
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if (state == 0) { |
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ret = ff_vf_next_put_image(vf, mpi, MP_NOPTS_VALUE); |
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vf->priv->out++; |
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if (flags & MP_IMGFIELD_REPEAT_FIRST) { |
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my_memcpy_pic(dmpi->planes[0], |
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mpi->planes[0], mpi->w, mpi->h/2, |
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dmpi->stride[0]*2, mpi->stride[0]*2); |
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if (mpi->flags & MP_IMGFLAG_PLANAR) { |
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my_memcpy_pic(dmpi->planes[1], |
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mpi->planes[1], |
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mpi->chroma_width, |
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mpi->chroma_height/2, |
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dmpi->stride[1]*2, |
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mpi->stride[1]*2); |
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my_memcpy_pic(dmpi->planes[2], |
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mpi->planes[2], |
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mpi->chroma_width, |
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mpi->chroma_height/2, |
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dmpi->stride[2]*2, |
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mpi->stride[2]*2); |
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} |
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state=1; |
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} |
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} else { |
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my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0], |
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mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2, |
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dmpi->stride[0]*2, mpi->stride[0]*2); |
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if (mpi->flags & MP_IMGFLAG_PLANAR) { |
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my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1], |
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mpi->planes[1]+mpi->stride[1], |
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mpi->chroma_width, mpi->chroma_height/2, |
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dmpi->stride[1]*2, mpi->stride[1]*2); |
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my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2], |
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mpi->planes[2]+mpi->stride[2], |
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mpi->chroma_width, mpi->chroma_height/2, |
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dmpi->stride[2]*2, mpi->stride[2]*2); |
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} |
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ret = ff_vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE); |
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vf->priv->out++; |
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if (flags & MP_IMGFIELD_REPEAT_FIRST) { |
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ret |= ff_vf_next_put_image(vf, mpi, MP_NOPTS_VALUE); |
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vf->priv->out++; |
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state=0; |
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} else { |
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my_memcpy_pic(dmpi->planes[0], |
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mpi->planes[0], mpi->w, mpi->h/2, |
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dmpi->stride[0]*2, mpi->stride[0]*2); |
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if (mpi->flags & MP_IMGFLAG_PLANAR) { |
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my_memcpy_pic(dmpi->planes[1], |
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mpi->planes[1], |
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mpi->chroma_width, |
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mpi->chroma_height/2, |
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dmpi->stride[1]*2, |
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mpi->stride[1]*2); |
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my_memcpy_pic(dmpi->planes[2], |
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mpi->planes[2], |
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mpi->chroma_width, |
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mpi->chroma_height/2, |
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dmpi->stride[2]*2, |
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mpi->stride[2]*2); |
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} |
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} |
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} |
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vf->priv->state = state; |
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return ret; |
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} |
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static int config(struct vf_instance *vf, |
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int width, int height, int d_width, int d_height, |
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unsigned int flags, unsigned int outfmt) |
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{ |
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return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); |
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} |
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static void uninit(struct vf_instance *vf) |
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{ |
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ff_mp_msg(MSGT_VFILTER, MSGL_INFO, "softpulldown: %lld frames in, %lld frames out\n", vf->priv->in, vf->priv->out); |
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free(vf->priv); |
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} |
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static int vf_open(vf_instance_t *vf, char *args) |
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{ |
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vf->config = config; |
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vf->put_image = put_image; |
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vf->uninit = uninit; |
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vf->default_reqs = VFCAP_ACCEPT_STRIDE; |
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vf->priv = calloc(1, sizeof(struct vf_priv_s)); |
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vf->priv->state = 0; |
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return 1; |
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} |
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const vf_info_t ff_vf_info_softpulldown = { |
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"mpeg2 soft 3:2 pulldown", |
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"softpulldown", |
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"Tobias Diedrich <ranma+mplayer@tdiedrich.de>", |
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"", |
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vf_open, |
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NULL |
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}; |
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