prores: extract idct into its own dspcontext and merge with put_pixels.

1 files changed, 38 insertions, 0 deletions

diff --git a/libavcodec/proresdsp.h b/libavcodec/proresdsp.h
new file mode 100644
index 0000000000..18d6bf5830
--- /dev/null
+++ b/libavcodec/proresdsp.h
@@ -0,0 +1,38 @@
+/*
+ * Apple ProRes compatible decoder
+ *
+ * Copyright (c) 2010-2011 Maxim Poliakovski
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_PRORESDSP_H
+#define AVCODEC_PRORESDSP_H
+
+#include "dsputil.h"
+
+#define PRORES_BITS_PER_SAMPLE 10 ///< output precision of prores decoder
+
+typedef struct {
+    int idct_permutation_type;
+    uint8_t idct_permutation[64];
+    void (* idct_put) (uint16_t *out, int linesize, DCTELEM *block, const int16_t *qmat);
+} ProresDSPContext;
+
+void ff_proresdsp_init(ProresDSPContext *dsp);
+
+#endif /* AVCODEC_PRORESDSP_H */