| Index: third_party/libvpx/source/libvpx/vpx/vp8dx.h
|
| diff --git a/third_party/libvpx/source/libvpx/vpx/vp8dx.h b/third_party/libvpx/source/libvpx/vpx/vp8dx.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..83898bf8496c608fe29b360c691660ef3c9f379f
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vpx/vp8dx.h
|
| @@ -0,0 +1,159 @@
|
| +/*
|
| + * 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/VP9 Decoder
|
| + * \ingroup vp8
|
| + *
|
| + * @{
|
| + */
|
| +/*!\file
|
| + * \brief Provides definitions for using VP8 or VP9 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 VP8 streams.
|
| + * @{
|
| + */
|
| +extern vpx_codec_iface_t vpx_codec_vp8_dx_algo;
|
| +extern vpx_codec_iface_t *vpx_codec_vp8_dx(void);
|
| +/*!@} - end algorithm interface member group*/
|
| +
|
| +/*!\name Algorithm interface for VP9
|
| + *
|
| + * This interface provides the capability to decode VP9 streams.
|
| + * @{
|
| + */
|
| +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.
|
| + */
|
| + VPXD_SET_DECRYPTOR,
|
| + VP8D_SET_DECRYPTOR = VPXD_SET_DECRYPTOR,
|
| +
|
| + /** control function to get the dimensions that the current frame is decoded
|
| + * at. This may be different to the intended display size for the frame as
|
| + * specified in the wrapper or frame header (see VP9D_GET_DISPLAY_SIZE). */
|
| + VP9D_GET_FRAME_SIZE,
|
| +
|
| + /** control function to get the current frame's intended display dimensions
|
| + * (as specified in the wrapper or frame header). This may be different to
|
| + * the decoded dimensions of this frame (see VP9D_GET_FRAME_SIZE). */
|
| + VP9D_GET_DISPLAY_SIZE,
|
| +
|
| + /** control function to get the bit depth of the stream. */
|
| + VP9D_GET_BIT_DEPTH,
|
| +
|
| + /** control function to set the byte alignment of the planes in the reference
|
| + * buffers. Valid values are power of 2, from 32 to 1024. A value of 0 sets
|
| + * legacy alignment. I.e. Y plane is aligned to 32 bytes, U plane directly
|
| + * follows Y plane, and V plane directly follows U plane. Default value is 0.
|
| + */
|
| + VP9_SET_BYTE_ALIGNMENT,
|
| +
|
| + /** control function to invert the decoding order to from right to left. The
|
| + * function is used in a test to confirm the decoding independence of tile
|
| + * columns. The function may be used in application where this order
|
| + * of decoding is desired.
|
| + *
|
| + * TODO(yaowu): Rework the unit test that uses this control, and in a future
|
| + * release, this test-only control shall be removed.
|
| + */
|
| + 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(VP9D_GET_BIT_DEPTH, unsigned int *)
|
| +VPX_CTRL_USE_TYPE(VP9D_GET_FRAME_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_
|
|
|