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Joey Parrish authored
Change-Id: I88f86c8ff9af34e0b6531028b691921b54c2fc48
18c08607
/* * 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 __cplusplusextern "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 vpx_decrypt_init, which contains * a callback function and opaque context pointer.7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130
*/
VPXD_SET_DECRYPTOR,
VP8D_SET_DECRYPTOR = VPXD_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
};
/** Decrypt n bytes of data from input -> output, using the decrypt_state
* passed in VPXD_SET_DECRYPTOR.
*/
typedef void (*vpx_decrypt_cb)(void *decrypt_state, const unsigned char *input,
unsigned char *output, int count);
/*!\brief Structure to hold decryption state
*
* Defines a structure to hold the decryption state and access function.
*/
typedef struct vpx_decrypt_init {
/*! Decrypt callback. */
vpx_decrypt_cb decrypt_cb;
/*! Decryption state. */
void *decrypt_state;
} vpx_decrypt_init;
/*!\brief A deprecated alias for vpx_decrypt_init.
*/
typedef vpx_decrypt_init 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(VPXD_SET_DECRYPTOR, vpx_decrypt_init *)
VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR, vpx_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_