2 * Copyright (C) 2003 Michael Zucchi <notzed@ximian.com>
4 * This file is part of MPlayer.
6 * MPlayer is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * MPlayer is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "img_format.h"
32 #include "libvo/fastmemcpy.h"
40 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
45 switch (vf->priv->mode) {
47 dmpi = vf->priv->dmpi;
49 dmpi = vf_get_image(vf->next, mpi->imgfmt,
50 MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
52 mpi->width, mpi->height*2);
54 vf->priv->dmpi = dmpi;
56 memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
57 dmpi->stride[0]*2, mpi->stride[0]);
58 if (mpi->flags & MP_IMGFLAG_PLANAR) {
59 memcpy_pic(dmpi->planes[1], mpi->planes[1],
60 mpi->chroma_width, mpi->chroma_height,
61 dmpi->stride[1]*2, mpi->stride[1]);
62 memcpy_pic(dmpi->planes[2], mpi->planes[2],
63 mpi->chroma_width, mpi->chroma_height,
64 dmpi->stride[2]*2, mpi->stride[2]);
67 vf->priv->dmpi = NULL;
69 memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0], mpi->w, mpi->h,
70 dmpi->stride[0]*2, mpi->stride[0]);
71 if (mpi->flags & MP_IMGFLAG_PLANAR) {
72 memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1],
73 mpi->chroma_width, mpi->chroma_height,
74 dmpi->stride[1]*2, mpi->stride[1]);
75 memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2],
76 mpi->chroma_width, mpi->chroma_height,
77 dmpi->stride[2]*2, mpi->stride[2]);
79 ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
83 if (vf->priv->frame & 1)
84 ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE);
87 if ((vf->priv->frame & 1) == 0)
88 ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE);
91 dmpi = vf_get_image(vf->next, mpi->imgfmt,
92 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
93 mpi->width, mpi->height*2);
94 /* fixme, just clear alternate lines */
95 vf_mpi_clear(dmpi, 0, 0, dmpi->w, dmpi->h);
96 if ((vf->priv->frame & 1) == 0) {
97 memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
98 dmpi->stride[0]*2, mpi->stride[0]);
99 if (mpi->flags & MP_IMGFLAG_PLANAR) {
100 memcpy_pic(dmpi->planes[1], mpi->planes[1],
101 mpi->chroma_width, mpi->chroma_height,
102 dmpi->stride[1]*2, mpi->stride[1]);
103 memcpy_pic(dmpi->planes[2], mpi->planes[2],
104 mpi->chroma_width, mpi->chroma_height,
105 dmpi->stride[2]*2, mpi->stride[2]);
108 memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0], mpi->w, mpi->h,
109 dmpi->stride[0]*2, mpi->stride[0]);
110 if (mpi->flags & MP_IMGFLAG_PLANAR) {
111 memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1],
112 mpi->chroma_width, mpi->chroma_height,
113 dmpi->stride[1]*2, mpi->stride[1]);
114 memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2],
115 mpi->chroma_width, mpi->chroma_height,
116 dmpi->stride[2]*2, mpi->stride[2]);
119 ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
122 // Interleave even lines (only) from Frame 'i' with odd
123 // lines (only) from Frame 'i+1', halving the Frame
124 // rate and preserving image height.
126 dmpi = vf->priv->dmpi;
128 // @@ Need help: Should I set dmpi->fields to indicate
129 // that the (new) frame will be interlaced!? E.g. ...
130 // dmpi->fields |= MP_IMGFIELD_INTERLACED;
131 // dmpi->fields |= MP_IMGFIELD_TOP_FIRST;
135 dmpi = vf_get_image(vf->next, mpi->imgfmt,
136 MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
138 mpi->width, mpi->height);
140 vf->priv->dmpi = dmpi;
142 my_memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2,
143 dmpi->stride[0]*2, mpi->stride[0]*2);
144 if (mpi->flags & MP_IMGFLAG_PLANAR) {
145 my_memcpy_pic(dmpi->planes[1], mpi->planes[1],
146 mpi->chroma_width, mpi->chroma_height/2,
147 dmpi->stride[1]*2, mpi->stride[1]*2);
148 my_memcpy_pic(dmpi->planes[2], mpi->planes[2],
149 mpi->chroma_width, mpi->chroma_height/2,
150 dmpi->stride[2]*2, mpi->stride[2]*2);
153 vf->priv->dmpi = NULL;
155 my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0],
156 mpi->planes[0]+mpi->stride[0],
158 dmpi->stride[0]*2, mpi->stride[0]*2);
159 if (mpi->flags & MP_IMGFLAG_PLANAR) {
160 my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1],
161 mpi->planes[1]+mpi->stride[1],
162 mpi->chroma_width, mpi->chroma_height/2,
163 dmpi->stride[1]*2, mpi->stride[1]*2);
164 my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2],
165 mpi->planes[2]+mpi->stride[2],
166 mpi->chroma_width, mpi->chroma_height/2,
167 dmpi->stride[2]*2, mpi->stride[2]*2);
169 ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
179 static int query_format(struct vf_instance *vf, unsigned int fmt)
181 /* FIXME - figure out which other formats work */
186 return vf_next_query_format(vf, fmt);
191 static int config(struct vf_instance *vf,
192 int width, int height, int d_width, int d_height,
193 unsigned int flags, unsigned int outfmt)
195 switch (vf->priv->mode) {
198 return vf_next_config(vf,width,height*2,d_width,d_height*2,flags,outfmt);
199 case 1: /* odd frames */
200 case 2: /* even frames */
201 case 4: /* alternate frame (height-preserving) interlacing */
202 return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
207 static void uninit(struct vf_instance *vf)
212 static int vf_open(vf_instance_t *vf, char *args)
216 vf->put_image = put_image;
217 vf->query_format = query_format;
219 vf->default_reqs = VFCAP_ACCEPT_STRIDE;
220 vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
223 sscanf(args, "%d", &vf->priv->mode);
228 const vf_info_t vf_info_tinterlace = {
229 "temporal field interlacing",