ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/rtjpeg.h

@@ -0,0 +1,49 @@
+/*
+ * RTJpeg decoding functions
+ * copyright (c) 2006 Reimar Doeffinger
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_RTJPEG_H
+#define AVCODEC_RTJPEG_H
+
+#include <stdint.h>
+
+#include "libavutil/mem.h"
+#include "idctdsp.h"
+
+#define RTJPEG_FILE_VERSION 0
+#define RTJPEG_HEADER_SIZE 12
+
+typedef struct RTJpegContext {
+    int w, h;
+    IDCTDSPContext idsp;
+    uint8_t scan[64];
+    uint32_t lquant[64];
+    uint32_t cquant[64];
+    DECLARE_ALIGNED(16, int16_t, block)[64];
+} RTJpegContext;
+
+void ff_rtjpeg_init(RTJpegContext *c, AVCodecContext *avctx);
+
+void ff_rtjpeg_decode_init(RTJpegContext *c, int width, int height,
+                           const uint32_t *lquant, const uint32_t *cquant);
+
+int ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
+                               const uint8_t *buf, int buf_size);
+#endif /* AVCODEC_RTJPEG_H */