From 22526c1f557a72b3285d295bd8b30c40eb65d437 Mon Sep 17 00:00:00 2001 From: Vittorio Giovara Date: Thu, 9 Apr 2015 18:12:30 +0200 Subject: Canopus HQ/HQA decoder Based on work by Kostya Shishkov . Signed-off-by: Vittorio Giovara --- libavcodec/hq_hqadsp.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libavcodec/hq_hqadsp.h (limited to 'libavcodec/hq_hqadsp.h') diff --git a/libavcodec/hq_hqadsp.h b/libavcodec/hq_hqadsp.h new file mode 100644 index 0000000000..22b1e6145c --- /dev/null +++ b/libavcodec/hq_hqadsp.h @@ -0,0 +1,38 @@ +/* + * Canopus HQ/HQA decoder + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * HQ/HQA variant of AAN IDCT + * It differs from the standard AAN IDCT in precision and in the second stage. + */ + +#ifndef AVCODEC_HQ_HQADSP_H +#define AVCODEC_HQ_HQADSP_H + +#include + +typedef struct HQDSPContext { + void (*idct_put)(uint8_t *dst, int stride, int16_t *block); +} HQDSPContext; + +void ff_hqdsp_init(HQDSPContext *c); + +#endif /* AVCODEC_HQ_HQADSP_H */ -- cgit v1.2.3