588 строки
23 KiB
C
588 строки
23 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 decoder Common Decoder Algorithm Interface
|
|
* This abstraction allows applications using this decoder to easily support
|
|
* multiple video formats with minimal code duplication. This section describes
|
|
* the interface common to all codecs.
|
|
* @{
|
|
*/
|
|
|
|
/*!\file vpx_decoder_compat.h
|
|
* \brief Provides a compatibility layer between version 1 and 2 of this API.
|
|
*
|
|
* This interface has been deprecated. Only existing code should make use
|
|
* of this interface, and therefore, it is only thinly documented. Existing
|
|
* code should be ported to the vpx_codec_* API.
|
|
*/
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef VPX_DECODER_COMPAT_H
|
|
#define VPX_DECODER_COMPAT_H
|
|
|
|
/*!\brief Decoder algorithm return codes */
|
|
typedef enum {
|
|
/*!\brief Operation completed without error */
|
|
VPX_DEC_OK = VPX_CODEC_OK,
|
|
|
|
/*!\brief Unspecified error */
|
|
VPX_DEC_ERROR = VPX_CODEC_ERROR,
|
|
|
|
/*!\brief Memory operation failed */
|
|
VPX_DEC_MEM_ERROR = VPX_CODEC_MEM_ERROR,
|
|
|
|
/*!\brief ABI version mismatch */
|
|
VPX_DEC_ABI_MISMATCH = VPX_CODEC_ABI_MISMATCH,
|
|
|
|
/*!\brief The given bitstream is not supported.
|
|
*
|
|
* The bitstream was unable to be parsed at the highest level. The decoder
|
|
* is unable to proceed. This error \ref SHOULD be treated as fatal to the
|
|
* stream. */
|
|
VPX_DEC_UNSUP_BITSTREAM = VPX_CODEC_UNSUP_BITSTREAM,
|
|
|
|
/*!\brief Encoded bitstream uses an unsupported feature
|
|
*
|
|
* The decoder does not implement a feature required by the encoder. This
|
|
* return code should only be used for features that prevent future
|
|
* pictures from being properly decoded. This error \ref MAY be treated as
|
|
* fatal to the stream or \ref MAY be treated as fatal to the current GOP.
|
|
*/
|
|
VPX_DEC_UNSUP_FEATURE = VPX_CODEC_UNSUP_FEATURE,
|
|
|
|
/*!\brief The coded data for this stream is corrupt or incomplete
|
|
*
|
|
* There was a problem decoding the current frame. This return code
|
|
* should only be used for failures that prevent future pictures from
|
|
* being properly decoded. This error \ref MAY be treated as fatal to the
|
|
* stream or \ref MAY be treated as fatal to the current GOP. If decoding
|
|
* is continued for the current GOP, artifacts may be present.
|
|
*/
|
|
VPX_DEC_CORRUPT_FRAME = VPX_CODEC_CORRUPT_FRAME,
|
|
|
|
/*!\brief An application-supplied parameter is not valid.
|
|
*
|
|
*/
|
|
VPX_DEC_INVALID_PARAM = VPX_CODEC_INVALID_PARAM,
|
|
|
|
/*!\brief An iterator reached the end of list.
|
|
*
|
|
*/
|
|
VPX_DEC_LIST_END = VPX_CODEC_LIST_END
|
|
|
|
}
|
|
vpx_dec_err_t;
|
|
|
|
/*! \brief Decoder capabilities bitfield
|
|
*
|
|
* Each decoder advertises the capabilities it supports as part of its
|
|
* ::vpx_dec_iface_t interface structure. Capabilities are extra interfaces
|
|
* or functionality, and are not required to be supported by a decoder.
|
|
*
|
|
* The available flags are specifiedby VPX_DEC_CAP_* defines.
|
|
*/
|
|
typedef int vpx_dec_caps_t;
|
|
#define VPX_DEC_CAP_PUT_SLICE 0x0001 /**< Will issue put_slice callbacks */
|
|
#define VPX_DEC_CAP_PUT_FRAME 0x0002 /**< Will issue put_frame callbacks */
|
|
#define VPX_DEC_CAP_XMA 0x0004 /**< Supports e_xternal Memory Allocation */
|
|
|
|
/*!\brief Stream properties
|
|
*
|
|
* This structure is used to query or set properties of the decoded
|
|
* stream. Algorithms may extend this structure with data specific
|
|
* to their bitstream by setting the sz member appropriately.
|
|
*/
|
|
#if 1
|
|
typedef vpx_codec_stream_info_t vpx_dec_stream_info_t;
|
|
#else
|
|
typedef struct
|
|
{
|
|
unsigned int sz; /**< Size of this structure */
|
|
unsigned int w; /**< Width (or 0 for unknown/default) */
|
|
unsigned int h; /**< Height (or 0 for unknown/default) */
|
|
unsigned int is_kf; /**< Current frame is a keyframe */
|
|
} vpx_dec_stream_info_t;
|
|
#endif
|
|
|
|
|
|
/*!\brief Decoder interface structure.
|
|
*
|
|
* Contains function pointers and other data private to the decoder
|
|
* implementation. This structure is opaque to the application.
|
|
*/
|
|
typedef const struct vpx_codec_iface vpx_dec_iface_t;
|
|
typedef struct vpx_codec_priv vpx_dec_priv_t;
|
|
|
|
/*!\brief Iterator
|
|
*
|
|
* Opaque storage used for iterating over lists.
|
|
*/
|
|
typedef vpx_codec_iter_t vpx_dec_iter_t;
|
|
|
|
/*!\brief Decoder context structure
|
|
*
|
|
* All decoders \ref MUST support this context structure fully. In general,
|
|
* this data should be considered private to the decoder algorithm, and
|
|
* not be manipulated or examined by the calling application. Applications
|
|
* may reference the 'name' member to get a printable description of the
|
|
* algorithm.
|
|
*/
|
|
#if 1
|
|
typedef vpx_codec_ctx_t vpx_dec_ctx_t;
|
|
#else
|
|
typedef struct
|
|
{
|
|
const char *name; /**< Printable interface name */
|
|
vpx_dec_iface_t *iface; /**< Interface pointers */
|
|
vpx_dec_err_t err; /**< Last returned error */
|
|
vpx_dec_priv_t *priv; /**< Algorithm private storage */
|
|
} vpx_dec_ctx_t;
|
|
#endif
|
|
|
|
|
|
/*!\brief Return the build configuration
|
|
*
|
|
* Returns a printable string containing an encoded version of the build
|
|
* configuration. This may be useful to vpx support.
|
|
*
|
|
*/
|
|
const char *vpx_dec_build_config(void) DEPRECATED;
|
|
|
|
/*!\brief Return the name for a given interface
|
|
*
|
|
* Returns a human readable string for name of the given decoder interface.
|
|
*
|
|
* \param[in] iface Interface pointer
|
|
*
|
|
*/
|
|
const char *vpx_dec_iface_name(vpx_dec_iface_t *iface) DEPRECATED;
|
|
|
|
|
|
/*!\brief Convert error number to printable string
|
|
*
|
|
* Returns a human readable string for the last error returned by the
|
|
* algorithm. The returned error will be one line and will not contain
|
|
* any newline characters.
|
|
*
|
|
*
|
|
* \param[in] err Error number.
|
|
*
|
|
*/
|
|
const char *vpx_dec_err_to_string(vpx_dec_err_t err) DEPRECATED;
|
|
|
|
|
|
/*!\brief Retrieve error synopsis for decoder context
|
|
*
|
|
* Returns a human readable string for the last error returned by the
|
|
* algorithm. The returned error will be one line and will not contain
|
|
* any newline characters.
|
|
*
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context.
|
|
*
|
|
*/
|
|
const char *vpx_dec_error(vpx_dec_ctx_t *ctx) DEPRECATED;
|
|
|
|
|
|
/*!\brief Retrieve detailed error information for decoder context
|
|
*
|
|
* Returns a human readable string providing detailed information about
|
|
* the last error.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context.
|
|
*
|
|
* \retval NULL
|
|
* No detailed information is available.
|
|
*/
|
|
const char *vpx_dec_error_detail(vpx_dec_ctx_t *ctx) DEPRECATED;
|
|
|
|
|
|
/* REQUIRED FUNCTIONS
|
|
*
|
|
* The following functions are required to be implemented for all decoders.
|
|
* They represent the base case functionality expected of all decoders.
|
|
*/
|
|
|
|
|
|
/*!\brief Initialize a decoder instance
|
|
*
|
|
* Initializes a decoder context using the given interface. Applications
|
|
* should call the vpx_dec_init convenience macro instead of this
|
|
* function directly, to ensure that the ABI version number parameter
|
|
* is properly initialized.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context.
|
|
* \param[in] iface Pointer to the alogrithm interface to use.
|
|
* \param[in] ver ABI version number. Must be set to
|
|
* VPX_DECODER_ABI_VERSION
|
|
* \retval #VPX_DEC_OK
|
|
* The decoder algorithm initialized.
|
|
* \retval #VPX_DEC_MEM_ERROR
|
|
* Memory allocation failed.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_init_ver(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_iface_t *iface,
|
|
int ver) DEPRECATED;
|
|
#define vpx_dec_init(ctx, iface) \
|
|
vpx_dec_init_ver(ctx, iface, VPX_DECODER_ABI_VERSION)
|
|
|
|
|
|
/*!\brief Destroy a decoder instance
|
|
*
|
|
* Destroys a decoder context, freeing any associated memory buffers.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* The decoder algorithm initialized.
|
|
* \retval #VPX_DEC_MEM_ERROR
|
|
* Memory allocation failed.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_destroy(vpx_dec_ctx_t *ctx) DEPRECATED;
|
|
|
|
|
|
/*!\brief Get the capabilities of an algorithm.
|
|
*
|
|
* Retrieves the capabliities bitfield from the algorithm's interface.
|
|
*
|
|
* \param[in] iface Pointer to the alogrithm interface
|
|
*
|
|
*/
|
|
vpx_dec_caps_t vpx_dec_get_caps(vpx_dec_iface_t *iface) DEPRECATED;
|
|
|
|
|
|
/*!\brief Parse stream info from a buffer
|
|
*
|
|
* Performs high level parsing of the bitstream. Construction of a decoder
|
|
* context is not necessary. Can be used to determine if the bitstream is
|
|
* of the proper format, and to extract information from the stream.
|
|
*
|
|
* \param[in] iface Pointer to the alogrithm interface
|
|
* \param[in] data Pointer to a block of data to parse
|
|
* \param[in] data_sz Size of the data buffer
|
|
* \param[in,out] si Pointer to stream info to update. The size member
|
|
* \ref MUST be properly initialized, but \ref MAY be
|
|
* clobbered by the algorithm. This parameter \ref MAY
|
|
* be NULL.
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* Bitstream is parsable and stream information updated
|
|
*/
|
|
vpx_dec_err_t vpx_dec_peek_stream_info(vpx_dec_iface_t *iface,
|
|
const uint8_t *data,
|
|
unsigned int data_sz,
|
|
vpx_dec_stream_info_t *si) DEPRECATED;
|
|
|
|
|
|
/*!\brief Return information about the current stream.
|
|
*
|
|
* Returns information about the stream that has been parsed during decoding.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
* \param[in,out] si Pointer to stream info to update. The size member
|
|
* \ref MUST be properly initialized, but \ref MAY be
|
|
* clobbered by the algorithm. This parameter \ref MAY
|
|
* be NULL.
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* Bitstream is parsable and stream information updated
|
|
*/
|
|
vpx_dec_err_t vpx_dec_get_stream_info(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_stream_info_t *si) DEPRECATED;
|
|
|
|
|
|
/*!\brief Control algorithm
|
|
*
|
|
* This function is used to exchange algorithm specific data with the decoder
|
|
* instance. This can be used to implement features specific to a particular
|
|
* algorithm.
|
|
*
|
|
* This wrapper function dispatches the request to the helper function
|
|
* associated with the given ctrl_id. It tries to call this function
|
|
* transparantly, but will return #VPX_DEC_ERROR if the request could not
|
|
* be dispatched.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
* \param[in] ctrl_id Algorithm specific control identifier
|
|
* \param[in,out] data Data to exchange with algorithm instance.
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* The control request was processed.
|
|
* \retval #VPX_DEC_ERROR
|
|
* The control request was not processed.
|
|
* \retval #VPX_DEC_INVALID_PARAM
|
|
* The data was not valid.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_control(vpx_dec_ctx_t *ctx,
|
|
int ctrl_id,
|
|
void *data) DEPRECATED;
|
|
|
|
/*!\brief Decode data
|
|
*
|
|
* Processes a buffer of coded data. If the processing results in a new
|
|
* decoded frame becoming available, #VPX_DEC_CB_PUT_SLICE and
|
|
* #VPX_DEC_CB_PUT_FRAME events may be generated, as appropriate. Encoded data
|
|
* \ref MUST be passed in DTS (decode time stamp) order. Frames produced will
|
|
* always be in PTS (presentation time stamp) order.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
* \param[in] data Pointer to this block of new coded data. If
|
|
* NULL, a VPX_DEC_CB_PUT_FRAME event is posted
|
|
* for the previously decoded frame.
|
|
* \param[in] data_sz Size of the coded data, in bytes.
|
|
* \param[in] user_priv Application specific data to associate with
|
|
* this frame.
|
|
* \param[in] rel_pts PTS relative to the previous frame, in us. If
|
|
* unknown or unavailable, set to zero.
|
|
*
|
|
* \return Returns #VPX_DEC_OK if the coded data was processed completely
|
|
* and future pictures can be decoded without error. Otherwise,
|
|
* see the descriptions of the other error codes in ::vpx_dec_err_t
|
|
* for recoverability capabilities.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_decode(vpx_dec_ctx_t *ctx,
|
|
uint8_t *data,
|
|
unsigned int data_sz,
|
|
void *user_priv,
|
|
int rel_pts) DEPRECATED;
|
|
|
|
|
|
/*!\brief Decoded frames iterator
|
|
*
|
|
* Iterates over a list of the frames available for display. The iterator
|
|
* storage should be initialized to NULL to start the iteration. Iteration is
|
|
* complete when this function returns NULL.
|
|
*
|
|
* The list of available frames becomes valid upon completion of the
|
|
* vpx_dec_decode call, and remains valid until the next call to vpx_dec_decode.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
* \param[in out] iter Iterator storage, initialized to NULL
|
|
*
|
|
* \return Returns a pointer to an image, if one is ready for display. Frames
|
|
* produced will always be in PTS (presentation time stamp) order.
|
|
*/
|
|
vpx_image_t *vpx_dec_get_frame(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_iter_t *iter) DEPRECATED;
|
|
|
|
|
|
/*!\defgroup cap_put_frame Frame-Based Decoding Functions
|
|
*
|
|
* The following functions are required to be implemented for all decoders
|
|
* that advertise the VPX_DEC_CAP_PUT_FRAME capability. Calling these functions
|
|
* for codecs that don't advertise this capability will result in an error
|
|
* code being returned, usually VPX_DEC_ERROR
|
|
* @{
|
|
*/
|
|
|
|
/*!\brief put frame callback prototype
|
|
*
|
|
* This callback is invoked by the decoder to notify the application of
|
|
* the availability of decoded image data.
|
|
*/
|
|
typedef void (*vpx_dec_put_frame_cb_fn_t)(void *user_priv,
|
|
const vpx_image_t *img);
|
|
|
|
|
|
/*!\brief Register for notification of frame completion.
|
|
*
|
|
* Registers a given function to be called when a decoded frame is
|
|
* available.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
* \param[in] cb Pointer to the callback function
|
|
* \param[in] user_priv User's private data
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* Callback successfully registered.
|
|
* \retval #VPX_DEC_ERROR
|
|
* Decoder context not initialized, or algorithm not capable of
|
|
* posting slice completion.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_register_put_frame_cb(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_put_frame_cb_fn_t cb,
|
|
void *user_priv) DEPRECATED;
|
|
|
|
|
|
/*!@} - end defgroup cap_put_frame */
|
|
|
|
/*!\defgroup cap_put_slice Slice-Based Decoding Functions
|
|
*
|
|
* The following functions are required to be implemented for all decoders
|
|
* that advertise the VPX_DEC_CAP_PUT_SLICE capability. Calling these functions
|
|
* for codecs that don't advertise this capability will result in an error
|
|
* code being returned, usually VPX_DEC_ERROR
|
|
* @{
|
|
*/
|
|
|
|
/*!\brief put slice callback prototype
|
|
*
|
|
* This callback is invoked by the decoder to notify the application of
|
|
* the availability of partially decoded image data. The
|
|
*/
|
|
typedef void (*vpx_dec_put_slice_cb_fn_t)(void *user_priv,
|
|
const vpx_image_t *img,
|
|
const vpx_image_rect_t *valid,
|
|
const vpx_image_rect_t *update);
|
|
|
|
|
|
/*!\brief Register for notification of slice completion.
|
|
*
|
|
* Registers a given function to be called when a decoded slice is
|
|
* available.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context
|
|
* \param[in] cb Pointer to the callback function
|
|
* \param[in] user_priv User's private data
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* Callback successfully registered.
|
|
* \retval #VPX_DEC_ERROR
|
|
* Decoder context not initialized, or algorithm not capable of
|
|
* posting slice completion.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_register_put_slice_cb(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_put_slice_cb_fn_t cb,
|
|
void *user_priv) DEPRECATED;
|
|
|
|
|
|
/*!@} - end defgroup cap_put_slice*/
|
|
|
|
/*!\defgroup cap_xma External Memory Allocation Functions
|
|
*
|
|
* The following functions are required to be implemented for all decoders
|
|
* that advertise the VPX_DEC_CAP_XMA capability. Calling these functions
|
|
* for codecs that don't advertise this capability will result in an error
|
|
* code being returned, usually VPX_DEC_ERROR
|
|
* @{
|
|
*/
|
|
|
|
/*!\brief Memory Map Entry
|
|
*
|
|
* This structure is used to contain the properties of a memory segment. It
|
|
* is populated by the decoder in the request phase, and by the calling
|
|
* application once the requested allocation has been performed.
|
|
*/
|
|
#if 1
|
|
#define VPX_DEC_MEM_ZERO 0x1 /**< Segment must be zeroed by allocation */
|
|
#define VPX_DEC_MEM_WRONLY 0x2 /**< Segment need not be readable */
|
|
#define VPX_DEC_MEM_FAST 0x4 /**< Place in fast memory, if available */
|
|
typedef struct vpx_codec_mmap vpx_dec_mmap_t;
|
|
#else
|
|
typedef struct vpx_dec_mmap
|
|
{
|
|
/*
|
|
* The following members are set by the codec when requesting a segment
|
|
*/
|
|
unsigned int id; /**< identifier for the segment's contents */
|
|
unsigned long sz; /**< size of the segment, in bytes */
|
|
unsigned int align; /**< required alignment of the segment, in bytes */
|
|
unsigned int flags; /**< bitfield containing segment properties */
|
|
#define VPX_DEC_MEM_ZERO 0x1 /**< Segment must be zeroed by allocation */
|
|
#define VPX_DEC_MEM_WRONLY 0x2 /**< Segment need not be readable */
|
|
#define VPX_DEC_MEM_FAST 0x4 /**< Place in fast memory, if available */
|
|
|
|
/* The following members are to be filled in by the allocation function */
|
|
void *base; /**< pointer to the allocated segment */
|
|
void (*dtor)(struct vpx_dec_mmap *map); /**< destructor to call */
|
|
void *priv; /**< allocator private storage */
|
|
} vpx_dec_mmap_t;
|
|
#endif
|
|
|
|
/*!\brief Initialize a decoder instance in external allocation mode
|
|
*
|
|
* Initializes a decoder context using the given interface. Applications
|
|
* should call the vpx_dec_xma_init convenience macro instead of this
|
|
* function directly, to ensure that the ABI version number parameter
|
|
* is properly initialized.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context.
|
|
* \param[in] iface Pointer to the alogrithm interface to use.
|
|
* \param[in] ver ABI version number. Must be set to
|
|
* VPX_DECODER_ABI_VERSION
|
|
* \retval #VPX_DEC_OK
|
|
* The decoder algorithm initialized.
|
|
* \retval #VPX_DEC_ERROR
|
|
* Decoder does not support XMA mode.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_xma_init_ver(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_iface_t *iface,
|
|
int ver) DEPRECATED;
|
|
#define vpx_dec_xma_init(ctx, iface) \
|
|
vpx_dec_xma_init_ver(ctx, iface, VPX_DECODER_ABI_VERSION)
|
|
|
|
|
|
/*!\brief Iterate over the list of segments to allocate.
|
|
*
|
|
* Iterates over a list of the segments to allocate. The iterator storage
|
|
* should be initialized to NULL to start the iteration. Iteration is complete
|
|
* when this function returns VPX_DEC_LIST_END. The amount of memory needed to
|
|
* allocate is dependant upon the size of the encoded stream. This means that
|
|
* the stream info structure must be known at allocation time. It can be
|
|
* populated with the vpx_dec_peek_stream_info() function. In cases where the
|
|
* stream to be decoded is not available at allocation time, a fixed size must
|
|
* be requested. The decoder will not be able to decode streams larger than
|
|
* the size used at allocation time.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context.
|
|
* \param[out] mmap Pointer to the memory map entry to populate.
|
|
* \param[in] si Pointer to the stream info.
|
|
* \param[in out] iter Iterator storage, initialized to NULL
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* The memory map entry was populated.
|
|
* \retval #VPX_DEC_ERROR
|
|
* Decoder does not support XMA mode.
|
|
* \retval #VPX_DEC_MEM_ERROR
|
|
* Unable to determine segment size from stream info.
|
|
*/
|
|
vpx_dec_err_t vpx_dec_get_mem_map(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_mmap_t *mmap,
|
|
const vpx_dec_stream_info_t *si,
|
|
vpx_dec_iter_t *iter) DEPRECATED;
|
|
|
|
|
|
/*!\brief Identify allocated segments to decoder instance
|
|
*
|
|
* Stores a list of allocated segments in the decoder. Segments \ref MUST be
|
|
* passed in the order they are read from vpx_dec_get_mem_map(), but may be
|
|
* passed in groups of any size. Segments \ref MUST be set only once. The
|
|
* allocation function \ref MUST ensure that the vpx_dec_mmap_t::base member
|
|
* is non-NULL. If the segment requires cleanup handling (eg, calling free()
|
|
* or close()) then the vpx_dec_mmap_t::dtor member \ref MUST be populated.
|
|
*
|
|
* \param[in] ctx Pointer to this instance's context.
|
|
* \param[in] mmaps Pointer to the first memory map entry in the list.
|
|
* \param[in] num_maps Number of entries being set at this time
|
|
*
|
|
* \retval #VPX_DEC_OK
|
|
* The segment was stored in the decoder context.
|
|
* \retval #VPX_DEC_ERROR
|
|
* Decoder does not support XMA mode.
|
|
* \retval #VPX_DEC_MEM_ERROR
|
|
* Segment base address was not set, or segment was already stored.
|
|
|
|
*/
|
|
vpx_dec_err_t vpx_dec_set_mem_map(vpx_dec_ctx_t *ctx,
|
|
vpx_dec_mmap_t *mmaps,
|
|
unsigned int num_maps) DEPRECATED;
|
|
|
|
/*!@} - end defgroup cap_xma*/
|
|
/*!@} - end defgroup decoder*/
|
|
|
|
|
|
#endif
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|