media/libvpx/vpx/vp8dx.h@b8a032363ba2
media/libvpx/vpx/vp8dx.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
12 #include "vp8.h"
14 /*!\defgroup vp8_decoder WebM VP8 Decoder
15 * \ingroup vp8
16 *
17 * @{
18 */
19 /*!\file
20 * \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
21 * interface.
22 */
23 #ifndef VP8DX_H
24 #define VP8DX_H
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
30 /*!\name Algorithm interface for VP8
31 *
32 * This interface provides the capability to decode raw VP8 streams, as would
33 * be found in AVI files and other non-Flash uses.
34 * @{
35 */
36 extern vpx_codec_iface_t vpx_codec_vp8_dx_algo;
37 extern vpx_codec_iface_t *vpx_codec_vp8_dx(void);
39 /* TODO(jkoleszar): These move to VP9 in a later patch set. */
40 extern vpx_codec_iface_t vpx_codec_vp9_dx_algo;
41 extern vpx_codec_iface_t *vpx_codec_vp9_dx(void);
42 /*!@} - end algorithm interface member group*/
44 /* Include controls common to both the encoder and decoder */
45 #include "vp8.h"
48 /*!\enum vp8_dec_control_id
49 * \brief VP8 decoder control functions
50 *
51 * This set of macros define the control functions available for the VP8
52 * decoder interface.
53 *
54 * \sa #vpx_codec_control
55 */
56 enum vp8_dec_control_id {
57 /** control function to get info on which reference frames were updated
58 * by the last decode
59 */
60 VP8D_GET_LAST_REF_UPDATES = VP8_DECODER_CTRL_ID_START,
62 /** check if the indicated frame is corrupted */
63 VP8D_GET_FRAME_CORRUPTED,
65 /** control function to get info on which reference frames were used
66 * by the last decode
67 */
68 VP8D_GET_LAST_REF_USED,
70 /** decryption function to decrypt encoded buffer data immediately
71 * before decoding. Takes a vp8_decrypt_init, which contains
72 * a callback function and opaque context pointer.
73 */
74 VP8D_SET_DECRYPTOR,
76 /** For testing. */
77 VP9_INVERT_TILE_DECODE_ORDER,
79 VP8_DECODER_CTRL_ID_MAX
80 };
82 /*!\brief Structure to hold decryption state
83 *
84 * Defines a structure to hold the decryption state and access function.
85 */
86 typedef struct vp8_decrypt_init {
87 /** Decrypt n bytes of data from input -> output, using the decrypt_state
88 * passed in VP8D_SET_DECRYPTOR.
89 */
90 void (*decrypt_cb)(void *decrypt_state, const unsigned char *input,
91 unsigned char *output, int count);
92 /*! Decryption state. */
93 void *decrypt_state;
94 } vp8_decrypt_init;
96 /*!\brief VP8 decoder control function parameter type
97 *
98 * Defines the data types that VP8D control functions take. Note that
99 * additional common controls are defined in vp8.h
100 *
101 */
104 VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_UPDATES, int *)
105 VPX_CTRL_USE_TYPE(VP8D_GET_FRAME_CORRUPTED, int *)
106 VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_USED, int *)
107 VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR, vp8_decrypt_init *)
108 VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
110 /*! @} - end defgroup vp8_decoder */
112 #ifdef __cplusplus
113 } // extern "C"
114 #endif
116 #endif
