mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-27 20:20:40 +00:00
118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
/*!\defgroup vp8_decoder WebM VP8 Decoder
|
|
* \ingroup vp8
|
|
*
|
|
* @{
|
|
*/
|
|
/*!\file
|
|
* \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
|
|
* interface.
|
|
*/
|
|
#ifndef VPX_VP8DX_H_
|
|
#define VPX_VP8DX_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Include controls common to both the encoder and decoder */
|
|
#include "./vp8.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*/
|
|
|
|
|
|
/*!\enum vp8_dec_control_id
|
|
* \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,
|
|
|
|
/** control function to get the display dimensions for the current frame. */
|
|
VP9D_GET_DISPLAY_SIZE,
|
|
|
|
/** For testing. */
|
|
VP9_INVERT_TILE_DECODE_ORDER,
|
|
|
|
VP8_DECODER_CTRL_ID_MAX
|
|
};
|
|
|
|
/*!\brief Structure to hold decryption state
|
|
*
|
|
* Defines a structure to hold the decryption state and access function.
|
|
*/
|
|
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);
|
|
/*! Decryption state. */
|
|
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(VP9D_GET_DISPLAY_SIZE, int *)
|
|
VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
|
|
|
|
/*! @} - end defgroup vp8_decoder */
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // VPX_VP8DX_H_
|