adding ffmpeg specific version

1 files changed, 57 insertions, 0 deletions

diff --git a/ffmpeg1/libavcodec/simple_idct.h b/ffmpeg1/libavcodec/simple_idct.h
new file mode 100644
index 0000000..3fec5e0
--- /dev/null
+++ b/ffmpeg1/libavcodec/simple_idct.h
@@ -0,0 +1,57 @@
+/*
+ * Simple IDCT
+ *
+ * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * simple idct header.
+ */
+
+#ifndef AVCODEC_SIMPLE_IDCT_H
+#define AVCODEC_SIMPLE_IDCT_H
+
+#include <stdint.h>
+
+void ff_simple_idct_put_8(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct_add_8(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct_8(int16_t *block);
+
+void ff_simple_idct_put_10(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct_add_10(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct_10(int16_t *block);
+/**
+ * Special version of ff_simple_idct_10() which does dequantization
+ * and scales by a factor of 2 more between the two IDCTs to account
+ * for larger scale of input coefficients.
+ */
+void ff_prores_idct(int16_t *block, const int16_t *qmat);
+
+void ff_simple_idct_mmx(int16_t *block);
+void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
+
+void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block);
+
+void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block);
+void ff_simple_idct44_add(uint8_t *dest, int line_size, int16_t *block);
+
+#endif /* AVCODEC_SIMPLE_IDCT_H */