288 lines
10 KiB
C
288 lines
10 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
|
* copy of this software and associated documentation files (the
|
||
|
|
* "Software"), to deal in the Software without restriction, including
|
||
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
||
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
||
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
||
|
|
* the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice (including the
|
||
|
|
* next paragraph) shall be included in all copies or substantial portions
|
||
|
|
* of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
||
|
|
* IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
|
||
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \file va_enc_mpeg2.h
|
||
|
|
* \brief The MPEG-2 encoding API
|
||
|
|
*
|
||
|
|
* This file contains the \ref api_enc_mpeg2 "MPEG-2 encoding API".
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _VA_ENC_MPEG2_H_
|
||
|
|
#define _VA_ENC_MPEG2_H_
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \defgroup api_enc_mpeg2 MPEG-2 encoding API
|
||
|
|
*
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief MPEG-2 Quantization Matrix Buffer
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef VAIQMatrixBufferMPEG2 VAQMatrixBufferMPEG2;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief Packed header types specific to MPEG-2 encoding.
|
||
|
|
*
|
||
|
|
* Types of packed headers generally used for MPEG-2 encoding.
|
||
|
|
*/
|
||
|
|
typedef enum {
|
||
|
|
/**
|
||
|
|
* \brief Packed Sequence Parameter Set (SPS).
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VAEncPackedHeaderMPEG2_SPS = VAEncPackedHeaderSequence,
|
||
|
|
/**
|
||
|
|
* \brief Packed Picture Parameter Set (PPS).
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VAEncPackedHeaderMPEG2_PPS = VAEncPackedHeaderPicture,
|
||
|
|
/**
|
||
|
|
* \brief Packed slice header.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VAEncPackedHeaderMPEG2_Slice = VAEncPackedHeaderSlice,
|
||
|
|
} VAEncPackedHeaderTypeMPEG2;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief Sequence parameter for MPEG-2 encoding
|
||
|
|
*
|
||
|
|
* This structure holds information for \c sequence_header() and
|
||
|
|
* sequence_extension().
|
||
|
|
*
|
||
|
|
* If packed sequence headers mode is used, i.e. if the encoding
|
||
|
|
* pipeline was configured with the #VA_ENC_PACKED_HEADER_SEQUENCE
|
||
|
|
* flag, then the driver expects two more buffers to be provided to
|
||
|
|
* the same \c vaRenderPicture() as this buffer:
|
||
|
|
* - a #VAEncPackedHeaderParameterBuffer with type set to
|
||
|
|
* VAEncPackedHeaderType::VAEncPackedHeaderSequence ;
|
||
|
|
* - a #VAEncPackedHeaderDataBuffer which holds the actual packed
|
||
|
|
* header data.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct _VAEncSequenceParameterBufferMPEG2 {
|
||
|
|
/** \brief Period between I frames. */
|
||
|
|
unsigned int intra_period;
|
||
|
|
/** \brief Period between I/P frames. */
|
||
|
|
unsigned int ip_period;
|
||
|
|
/** \brief Picture width.
|
||
|
|
*
|
||
|
|
* A 14bits unsigned inter, the lower 12bits
|
||
|
|
* is horizontal_size_value, and the upper
|
||
|
|
* 2bits is \c horizontal_size_extension
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
unsigned short picture_width;
|
||
|
|
/** \brief Picture height.
|
||
|
|
*
|
||
|
|
* A 14bits unsigned inter, the lower 12bits
|
||
|
|
* is vertical_size_value, and the upper 2bits is
|
||
|
|
* vertical_size_size_extension
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
unsigned short picture_height;
|
||
|
|
/**
|
||
|
|
* \brief Initial bitrate set for this sequence in CBR or VBR modes.
|
||
|
|
*
|
||
|
|
* This field represents the initial bitrate value for this
|
||
|
|
* sequence if CBR or VBR mode is used, i.e. if the encoder
|
||
|
|
* pipeline was created with a #VAConfigAttribRateControl
|
||
|
|
* attribute set to either \ref VA_RC_CBR or \ref VA_RC_VBR.
|
||
|
|
*
|
||
|
|
* bits_per_second may be derived from bit_rate.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
unsigned int bits_per_second;
|
||
|
|
/**
|
||
|
|
* \brief Frame rate
|
||
|
|
*
|
||
|
|
* Derived from frame_rate_value, frame_rate_extension_n and
|
||
|
|
* frame_rate_extension_d
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
float frame_rate;
|
||
|
|
/** \brief Same as the element in sequence_header() */
|
||
|
|
unsigned short aspect_ratio_information;
|
||
|
|
/** \brief Define the size of VBV */
|
||
|
|
unsigned int vbv_buffer_size;
|
||
|
|
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
/** \brief Same as the element in Sequence extension() */
|
||
|
|
unsigned int profile_and_level_indication : 8;
|
||
|
|
/** \brief Same as the element in Sequence extension() */
|
||
|
|
unsigned int progressive_sequence : 1;
|
||
|
|
/** \brief Same as the element in Sequence extension() */
|
||
|
|
unsigned int chroma_format : 2;
|
||
|
|
/** \brief Same as the element in Sequence extension() */
|
||
|
|
unsigned int low_delay : 1;
|
||
|
|
/** \brief Same as the element in Sequence extension() */
|
||
|
|
unsigned int frame_rate_extension_n : 2;
|
||
|
|
/** \brief Same as the element in Sequence extension() */
|
||
|
|
unsigned int frame_rate_extension_d : 5;
|
||
|
|
} bits;
|
||
|
|
unsigned int value;
|
||
|
|
} sequence_extension;
|
||
|
|
|
||
|
|
/** \brief Flag to indicate the following GOP header are being updated */
|
||
|
|
unsigned int new_gop_header;
|
||
|
|
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
/** \brief Time code */
|
||
|
|
unsigned int time_code : 25;
|
||
|
|
/** \brief Same as the element in GOP header */
|
||
|
|
unsigned int closed_gop : 1;
|
||
|
|
/** \brief SAme as the element in GOP header */
|
||
|
|
unsigned int broken_link : 1;
|
||
|
|
} bits;
|
||
|
|
unsigned int value;
|
||
|
|
} gop_header;
|
||
|
|
} VAEncSequenceParameterBufferMPEG2;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief Picture parameter for MPEG-2 encoding
|
||
|
|
*
|
||
|
|
* This structure holds information for picture_header() and
|
||
|
|
* picture_coding_extension()
|
||
|
|
*
|
||
|
|
* If packed picture headers mode is used, i.e. if the encoding
|
||
|
|
* pipeline was configured with the #VA_ENC_PACKED_HEADER_PICTURE
|
||
|
|
* flag, then the driver expects two more buffers to be provided to
|
||
|
|
* the same \c vaRenderPicture() as this buffer:
|
||
|
|
* - a #VAEncPackedHeaderParameterBuffer with type set to
|
||
|
|
* VAEncPackedHeaderType::VAEncPackedHeaderPicture ;
|
||
|
|
* - a #VAEncPackedHeaderDataBuffer which holds the actual packed
|
||
|
|
* header data.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct _VAEncPictureParameterBufferMPEG2 {
|
||
|
|
/** \brief Forward reference picture */
|
||
|
|
VASurfaceID forward_reference_picture;
|
||
|
|
/** \brief Backward reference picture */
|
||
|
|
VASurfaceID backward_reference_picture;
|
||
|
|
/** \brief Reconstructed(decoded) picture */
|
||
|
|
VASurfaceID reconstructed_picture;
|
||
|
|
/**
|
||
|
|
* \brief Output encoded bitstream.
|
||
|
|
*
|
||
|
|
* \ref coded_buf has type #VAEncCodedBufferType. It should be
|
||
|
|
* large enough to hold the compressed NAL slice and possibly SPS
|
||
|
|
* and PPS NAL units.
|
||
|
|
*/
|
||
|
|
VABufferID coded_buf;
|
||
|
|
/**
|
||
|
|
* \brief Flag to indicate the picture is the last one or not.
|
||
|
|
*
|
||
|
|
* This fields holds 0 if the picture to be encoded is not
|
||
|
|
* the last one in the stream. Otherwise, it
|
||
|
|
* is \ref MPEG2_LAST_PICTURE_EOSTREAM.
|
||
|
|
*/
|
||
|
|
unsigned char last_picture;
|
||
|
|
/** \brief Picture type */
|
||
|
|
VAEncPictureType picture_type;
|
||
|
|
/** \brief Same as the element in picture_header() */
|
||
|
|
unsigned int temporal_reference;
|
||
|
|
/** \brief Same as the element in picture_header() */
|
||
|
|
unsigned int vbv_delay;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned char f_code[2][2];
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int intra_dc_precision : 2;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int picture_structure : 2;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int top_field_first : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int frame_pred_frame_dct : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int concealment_motion_vectors : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int q_scale_type : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int intra_vlc_format : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int alternate_scan : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int repeat_first_field : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int progressive_frame : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int composite_display_flag : 1;
|
||
|
|
} bits;
|
||
|
|
unsigned int value;
|
||
|
|
} picture_coding_extension;
|
||
|
|
|
||
|
|
/* \brief Parameters for composite display
|
||
|
|
*
|
||
|
|
* Valid only when omposite_display_flag is 1
|
||
|
|
*/
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int v_axis : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int field_sequence : 3;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int sub_carrier : 1;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int burst_amplitude : 7;
|
||
|
|
/** \brief Same as the element in Picture coding extension */
|
||
|
|
unsigned int sub_carrier_phase : 8;
|
||
|
|
} bits;
|
||
|
|
unsigned int value;
|
||
|
|
} composite_display;
|
||
|
|
} VAEncPictureParameterBufferMPEG2;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief Slice parameter for MPEG-2 encoding
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct _VAEncSliceParameterBufferMPEG2 {
|
||
|
|
/** \brief Starting MB address for this slice. */
|
||
|
|
unsigned int macroblock_address;
|
||
|
|
/** \brief Number of macroblocks in this slice. */
|
||
|
|
unsigned int num_macroblocks;
|
||
|
|
/** \brief Same as the element in slice() */
|
||
|
|
int quantiser_scale_code;
|
||
|
|
/** \brief Flag to indicate intra slice */
|
||
|
|
int is_intra_slice;
|
||
|
|
} VAEncSliceParameterBufferMPEG2;
|
||
|
|
|
||
|
|
/**@}*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _VA_ENC_MPEG2_H_ */
|