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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /media/ffvpx/libavcodec/simple_idct.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--media/ffvpx/libavcodec/simple_idct.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/simple_idct.h b/media/ffvpx/libavcodec/simple_idct.h
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+/*
+ * 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 <stddef.h>
+#include <stdint.h>
+
+void ff_simple_idct_put_int16_8bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_add_int16_8bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_int16_8bit(int16_t *block);
+
+void ff_simple_idct_put_int16_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_add_int16_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_int16_10bit(int16_t *block);
+
+void ff_simple_idct_put_int32_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_add_int32_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_int32_10bit(int16_t *block);
+
+void ff_simple_idct_put_int16_12bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_add_int16_12bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct_int16_12bit(int16_t *block);
+
+/**
+ * Special version of ff_simple_idct_int16_10bit() 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_10(int16_t *block, const int16_t *qmat);
+void ff_prores_idct_12(int16_t *block, const int16_t *qmat);
+
+void ff_simple_idct248_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+
+void ff_simple_idct84_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct48_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_simple_idct44_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+
+#endif /* AVCODEC_SIMPLE_IDCT_H */