Merge commit '22526c1f557a72b3285d295bd8b30c40eb65d437'

* commit '22526c1f557a72b3285d295bd8b30c40eb65d437':
  Canopus HQ/HQA decoder

Conflicts:
	Changelog
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 38 insertions, 0 deletions

diff --git a/libavcodec/hq_hqadsp.h b/libavcodec/hq_hqadsp.h
new file mode 100644
index 0000000000..420ed92f76
--- /dev/null
+++ b/libavcodec/hq_hqadsp.h
@@ -0,0 +1,38 @@
+/*
+ * Canopus HQ/HQA decoder
+ *
+ * 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
+ * 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 <stdint.h>
+
+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 */