/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* minimum alignment rules ;) * If you notice errors in the align stuff, need more alignment for some ASM code * for some CPU or need to use a function with less aligned data then send a mail * to the ffmpeg-devel mailing list, ... * * !warning These alignments might not match reality, (missing attribute((align)) * stuff somewhere possible). * I (Michael) did not check them, these are just the alignments which I think * could be reached easily ... * * !future video codecs might need functions with less strict alignment
*/
struct MpegEncContext; /* Motion estimation: * h is limited to { width / 2, width, 2 * width }, * but never larger than 16 and never smaller than 2. * Although currently h < 4 is not used as functions with
* width < 8 are neither used nor implemented. */ typedefint (*me_cmp_func)(struct MpegEncContext *c, const uint8_t *blk1 /* align width (8 or 16) */, const uint8_t *blk2 /* align 1 */, ptrdiff_t stride, int h);
/** * Fill the function pointer array cmp[6] with me_cmp_funcs from * c based upon type. If mpvenc is not set, an error is returned * if the type of comparison functions requires an initialized * MpegEncContext.
*/ int ff_set_cmp(const MECmpContext *c, me_cmp_func *cmp, int type, int mpvenc);
void ff_dsputil_init_dwt(MECmpContext *c);
#endif/* AVCODEC_ME_CMP_H */
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