1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vpx/vp8dx.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,116 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +
1.15 +#include "vp8.h"
1.16 +
1.17 +/*!\defgroup vp8_decoder WebM VP8 Decoder
1.18 + * \ingroup vp8
1.19 + *
1.20 + * @{
1.21 + */
1.22 +/*!\file
1.23 + * \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
1.24 + * interface.
1.25 + */
1.26 +#ifndef VP8DX_H
1.27 +#define VP8DX_H
1.28 +
1.29 +#ifdef __cplusplus
1.30 +extern "C" {
1.31 +#endif
1.32 +
1.33 +/*!\name Algorithm interface for VP8
1.34 + *
1.35 + * This interface provides the capability to decode raw VP8 streams, as would
1.36 + * be found in AVI files and other non-Flash uses.
1.37 + * @{
1.38 + */
1.39 +extern vpx_codec_iface_t vpx_codec_vp8_dx_algo;
1.40 +extern vpx_codec_iface_t *vpx_codec_vp8_dx(void);
1.41 +
1.42 +/* TODO(jkoleszar): These move to VP9 in a later patch set. */
1.43 +extern vpx_codec_iface_t vpx_codec_vp9_dx_algo;
1.44 +extern vpx_codec_iface_t *vpx_codec_vp9_dx(void);
1.45 +/*!@} - end algorithm interface member group*/
1.46 +
1.47 +/* Include controls common to both the encoder and decoder */
1.48 +#include "vp8.h"
1.49 +
1.50 +
1.51 +/*!\enum vp8_dec_control_id
1.52 + * \brief VP8 decoder control functions
1.53 + *
1.54 + * This set of macros define the control functions available for the VP8
1.55 + * decoder interface.
1.56 + *
1.57 + * \sa #vpx_codec_control
1.58 + */
1.59 +enum vp8_dec_control_id {
1.60 + /** control function to get info on which reference frames were updated
1.61 + * by the last decode
1.62 + */
1.63 + VP8D_GET_LAST_REF_UPDATES = VP8_DECODER_CTRL_ID_START,
1.64 +
1.65 + /** check if the indicated frame is corrupted */
1.66 + VP8D_GET_FRAME_CORRUPTED,
1.67 +
1.68 + /** control function to get info on which reference frames were used
1.69 + * by the last decode
1.70 + */
1.71 + VP8D_GET_LAST_REF_USED,
1.72 +
1.73 + /** decryption function to decrypt encoded buffer data immediately
1.74 + * before decoding. Takes a vp8_decrypt_init, which contains
1.75 + * a callback function and opaque context pointer.
1.76 + */
1.77 + VP8D_SET_DECRYPTOR,
1.78 +
1.79 + /** For testing. */
1.80 + VP9_INVERT_TILE_DECODE_ORDER,
1.81 +
1.82 + VP8_DECODER_CTRL_ID_MAX
1.83 +};
1.84 +
1.85 +/*!\brief Structure to hold decryption state
1.86 + *
1.87 + * Defines a structure to hold the decryption state and access function.
1.88 + */
1.89 +typedef struct vp8_decrypt_init {
1.90 + /** Decrypt n bytes of data from input -> output, using the decrypt_state
1.91 + * passed in VP8D_SET_DECRYPTOR.
1.92 + */
1.93 + void (*decrypt_cb)(void *decrypt_state, const unsigned char *input,
1.94 + unsigned char *output, int count);
1.95 + /*! Decryption state. */
1.96 + void *decrypt_state;
1.97 +} vp8_decrypt_init;
1.98 +
1.99 +/*!\brief VP8 decoder control function parameter type
1.100 + *
1.101 + * Defines the data types that VP8D control functions take. Note that
1.102 + * additional common controls are defined in vp8.h
1.103 + *
1.104 + */
1.105 +
1.106 +
1.107 +VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_UPDATES, int *)
1.108 +VPX_CTRL_USE_TYPE(VP8D_GET_FRAME_CORRUPTED, int *)
1.109 +VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_USED, int *)
1.110 +VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR, vp8_decrypt_init *)
1.111 +VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
1.112 +
1.113 +/*! @} - end defgroup vp8_decoder */
1.114 +
1.115 +#ifdef __cplusplus
1.116 +} // extern "C"
1.117 +#endif
1.118 +
1.119 +#endif
