Initial import.

1 files changed, 105 insertions, 0 deletions

diff --git a/chromium/third_party/libvpx/source/libvpx/vpx/vp8dx.h b/chromium/third_party/libvpx/source/libvpx/vpx/vp8dx.h
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+++ b/chromium/third_party/libvpx/source/libvpx/vpx/vp8dx.h
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+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#include "vp8.h"
+
+/*!\defgroup vp8_decoder WebM VP8 Decoder
+ * \ingroup vp8
+ *
+ * @{
+ */
+/*!\file
+ * \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
+ *        interface.
+ */
+#ifndef VP8DX_H
+#define VP8DX_H
+#include "vpx_codec_impl_top.h"
+
+/*!\name Algorithm interface for VP8
+ *
+ * This interface provides the capability to decode raw VP8 streams, as would
+ * be found in AVI files and other non-Flash uses.
+ * @{
+ */
+extern vpx_codec_iface_t  vpx_codec_vp8_dx_algo;
+extern vpx_codec_iface_t *vpx_codec_vp8_dx(void);
+
+/* TODO(jkoleszar): These move to VP9 in a later patch set. */
+extern vpx_codec_iface_t  vpx_codec_vp9_dx_algo;
+extern vpx_codec_iface_t *vpx_codec_vp9_dx(void);
+/*!@} - end algorithm interface member group*/
+
+/* Include controls common to both the encoder and decoder */
+#include "vp8.h"
+
+
+/*!\brief VP8 decoder control functions
+ *
+ * This set of macros define the control functions available for the VP8
+ * decoder interface.
+ *
+ * \sa #vpx_codec_control
+ */
+enum vp8_dec_control_id {
+  /** control function to get info on which reference frames were updated
+   *  by the last decode
+   */
+  VP8D_GET_LAST_REF_UPDATES = VP8_DECODER_CTRL_ID_START,
+
+  /** check if the indicated frame is corrupted */
+  VP8D_GET_FRAME_CORRUPTED,
+
+  /** control function to get info on which reference frames were used
+   *  by the last decode
+   */
+  VP8D_GET_LAST_REF_USED,
+
+  /** decryption function to decrypt encoded buffer data immediately
+   * before decoding. Takes a vp8_decrypt_init, which contains
+   * a callback function and opaque context pointer.
+   */
+  VP8D_SET_DECRYPTOR,
+
+  /** For testing. */
+  VP9_INVERT_TILE_DECODE_ORDER,
+
+  VP8_DECODER_CTRL_ID_MAX
+};
+
+typedef struct vp8_decrypt_init {
+    /** Decrypt n bytes of data from input -> output, using the decrypt_state
+     *  passed in VP8D_SET_DECRYPTOR.
+     */
+    void (*decrypt_cb)(void *decrypt_state, const unsigned char *input,
+                       unsigned char *output, int count);
+    void *decrypt_state;
+} vp8_decrypt_init;
+
+/*!\brief VP8 decoder control function parameter type
+ *
+ * Defines the data types that VP8D control functions take. Note that
+ * additional common controls are defined in vp8.h
+ *
+ */
+
+
+VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_UPDATES,   int *)
+VPX_CTRL_USE_TYPE(VP8D_GET_FRAME_CORRUPTED,    int *)
+VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_USED,      int *)
+VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR,          vp8_decrypt_init *)
+VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
+
+/*! @} - end defgroup vp8_decoder */
+
+
+#include "vpx_codec_impl_bottom.h"
+#endif