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Diffstat (limited to 'media/ffvpx/libavcodec/avdct.h')
-rw-r--r-- | media/ffvpx/libavcodec/avdct.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/media/ffvpx/libavcodec/avdct.h b/media/ffvpx/libavcodec/avdct.h deleted file mode 100644 index 272422e44..000000000 --- a/media/ffvpx/libavcodec/avdct.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * 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 - */ - -#ifndef AVCODEC_AVDCT_H -#define AVCODEC_AVDCT_H - -#include "libavutil/opt.h" - -/** - * AVDCT context. - * @note function pointers can be NULL if the specific features have been - * disabled at build time. - */ -typedef struct AVDCT { - const AVClass *av_class; - - void (*idct)(int16_t *block /* align 16 */); - - /** - * IDCT input permutation. - * Several optimized IDCTs need a permutated input (relative to the - * normal order of the reference IDCT). - * This permutation must be performed before the idct_put/add. - * Note, normally this can be merged with the zigzag/alternate scan<br> - * An example to avoid confusion: - * - (->decode coeffs -> zigzag reorder -> dequant -> reference IDCT -> ...) - * - (x -> reference DCT -> reference IDCT -> x) - * - (x -> reference DCT -> simple_mmx_perm = idct_permutation - * -> simple_idct_mmx -> x) - * - (-> decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant - * -> simple_idct_mmx -> ...) - */ - uint8_t idct_permutation[64]; - - void (*fdct)(int16_t *block /* align 16 */); - - - /** - * DCT algorithm. - * must use AVOptions to set this field. - */ - int dct_algo; - - /** - * IDCT algorithm. - * must use AVOptions to set this field. - */ - int idct_algo; - - void (*get_pixels)(int16_t *block /* align 16 */, - const uint8_t *pixels /* align 8 */, - ptrdiff_t line_size); - - int bits_per_sample; -} AVDCT; - -/** - * Allocates a AVDCT context. - * This needs to be initialized with avcodec_dct_init() after optionally - * configuring it with AVOptions. - * - * To free it use av_free() - */ -AVDCT *avcodec_dct_alloc(void); -int avcodec_dct_init(AVDCT *); - -const AVClass *avcodec_dct_get_class(void); - -#endif /* AVCODEC_AVDCT_H */ |