Port pred8x8l_horizontal_down_mmxext (H.264 intra prediction) from x264

[ffmpeg] / libavcodec / internal.h

diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index 189090eaada4e537eb77d0d84810d852d72b5b94..24aca6b28b380ca15425039ae36e45d53442253c 100644 (file)
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -1,12 +1,53 @@
-#ifndef INTERNAL_H
-#define INTERNAL_H
+/*
+ * 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
+ * common internal api header.
+ */
+
+#ifndef AVCODEC_INTERNAL_H
+#define AVCODEC_INTERNAL_H
+
+#include <stdint.h>
+#include "avcodec.h"
 
 /**
- * @file internal.h
- * common functions for internal libavcodec use
+ * Determine whether pix_fmt is a hardware accelerated format.
  */
+int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
 
+/**
+ * Return the hardware accelerated codec for codec codec_id and
+ * pixel format pix_fmt.
+ *
+ * @param codec_id the codec to match
+ * @param pix_fmt the pixel format to match
+ * @return the hardware accelerated codec, or NULL if none was found.
+ */
+AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
+
+/**
+ * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
+ * If there is no such matching pair then size is returned.
+ */
+int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
 
-int av_tempfile(char *prefix, char **filename);
+unsigned int ff_toupper4(unsigned int x);
 
-#endif /* INTERNAL_H */
+#endif /* AVCODEC_INTERNAL_H */