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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /media/libvpx/vpx/vp8dx.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vpx/vp8dx.h')
-rw-r--r-- | media/libvpx/vpx/vp8dx.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/media/libvpx/vpx/vp8dx.h b/media/libvpx/vpx/vp8dx.h new file mode 100644 index 000000000..bc9cb1a62 --- /dev/null +++ b/media/libvpx/vpx/vp8dx.h @@ -0,0 +1,166 @@ +/* + * 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, + + /** control function to set the skip loop filter flag. Valid values are + * integers. The decoder will skip the loop filter when its value is set to + * nonzero. If the loop filter is skipped the decoder may accumulate decode + * artifacts. The default value is 0. + */ + VP9_SET_SKIP_LOOP_FILTER, + + 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_ |