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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* - Encoder header - |
* - Encoder header - |
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* |
* |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
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* |
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* This program is an implementation of a part of one or more MPEG-4 |
* This program is an implementation of a part of one or more MPEG-4 |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* to use this software module in hardware or software products are |
* to use this software module in hardware or software products are |
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* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
* |
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****************************************************************************/ |
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/***************************************************************************** |
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* |
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* History |
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* |
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* - 13.06.2002 Added legal header |
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* - 22.08.2001 Added support for EXT_MODE encoding mode |
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* support for EXTENDED API |
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* - 22.08.2001 fixed bug in iDQtab |
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* |
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* $Id$ |
* $Id$ |
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* |
* |
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****************************************************************************/ |
****************************************************************************/ |
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#include "xvid.h" |
#include "xvid.h" |
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#include "portab.h" |
#include "portab.h" |
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#include "global.h" |
#include "global.h" |
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#include "image/image.h" |
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#include "utils/ratecontrol.h" |
#include "utils/ratecontrol.h" |
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/***************************************************************************** |
/***************************************************************************** |
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* Constants |
* Constants |
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****************************************************************************/ |
****************************************************************************/ |
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/* Quatization type */ |
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#define H263_QUANT 0 |
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#define MPEG4_QUANT 1 |
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/* Indicates no quantizer changes in INTRA_Q/INTER_Q modes */ |
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#define NO_CHANGE 64 |
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/***************************************************************************** |
/***************************************************************************** |
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* Types |
* Types |
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****************************************************************************/ |
****************************************************************************/ |
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typedef int bool; |
typedef int bool; |
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typedef enum |
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{ |
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I_VOP = 0, |
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P_VOP = 1, |
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B_VOP = 2 |
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} |
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VOP_TYPE; |
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/***************************************************************************** |
/***************************************************************************** |
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* Structures |
* Structures |
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****************************************************************************/ |
****************************************************************************/ |
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typedef struct |
typedef struct |
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{ |
{ |
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/* --- constants --- */ |
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uint32_t width; |
uint32_t width; |
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uint32_t height; |
uint32_t height; |
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uint32_t mb_width; |
uint32_t mb_width; |
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uint32_t mb_height; |
uint32_t mb_height; |
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int plugin_flags; |
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/* frame rate increment & base */ |
/* frame rate increment & base */ |
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uint32_t fincr; |
uint32_t fincr; |
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uint32_t fbase; |
uint32_t fbase; |
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xvid_global_t global_flags; |
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int bquant_ratio; |
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int bquant_offset; |
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int frame_drop_ratio; |
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#ifdef _SMP |
#ifdef _SMP |
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int num_threads; |
int num_threads; |
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#endif |
#endif |
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int iMaxKeyInterval; |
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int max_bframes; |
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/* --- inbetween vop stuff --- */ |
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/* rounding type; alternate 0-1 after each interframe */ |
/* rounding type; alternate 0-1 after each interframe */ |
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/* 1 <= fixed_code <= 4 |
/* 1 <= fixed_code <= 4 |
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automatically adjusted using motion vector statistics inside |
automatically adjusted using motion vector statistics inside |
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*/ |
*/ |
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/* vars that not "quite" frame independant */ |
/* vars that not "quite" frame independant */ |
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uint32_t m_quant_type; |
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uint32_t m_rounding_type; |
uint32_t m_rounding_type; |
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uint32_t m_fcode; |
uint32_t m_fcode; |
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xvid_vol_t vol_flags; |
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HINTINFO *hint; |
int64_t m_stamp; |
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} |
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MBParam; |
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uint32_t m_seconds; |
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uint32_t m_ticks; |
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typedef struct |
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{ |
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int iTextBits; |
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int iMvSum; |
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int iMvCount; |
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int kblks; |
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int mblks; |
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int ublks; |
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int gblks; |
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} |
} |
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MBParam; |
Statistics; |
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/* encoding queue */ |
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typedef struct |
typedef struct |
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{ |
{ |
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uint32_t quant; |
xvid_enc_frame_t frame; |
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uint32_t motion_flags; |
unsigned char quant_intra_matrix[64]; |
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uint32_t global_flags; |
unsigned char quant_inter_matrix[64]; |
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IMAGE image; |
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} QUEUEINFO; |
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VOP_TYPE coding_type; |
typedef struct |
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{ |
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int frame_num; |
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int fincr; |
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xvid_vol_t vol_flags; |
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xvid_vop_t vop_flags; |
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xvid_motion_t motion_flags; |
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int coding_type; |
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uint32_t quant; |
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uint32_t rounding_type; |
uint32_t rounding_type; |
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uint32_t fcode; |
uint32_t fcode; |
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uint32_t bcode; |
uint32_t bcode; |
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uint32_t seconds; |
uint32_t seconds; |
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uint32_t ticks; |
uint32_t ticks; |
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int64_t stamp; |
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IMAGE image; |
IMAGE image; |
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MACROBLOCK *mbs; |
MACROBLOCK *mbs; |
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} |
WARPPOINTS warp; // as in bitstream |
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FRAMEINFO; |
GMC_DATA gmc_data; // common data for all MBs |
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typedef struct |
int length; /* the encoded size of this frame */ |
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{ |
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int iTextBits; |
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float fMvPrevSigma; |
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int iMvSum; |
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int iMvCount; |
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int kblks; |
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int mblks; |
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int ublks; |
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} |
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Statistics; |
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Statistics sStat; |
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} |
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FRAMEINFO; |
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typedef struct |
typedef struct |
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MBParam mbParam; |
MBParam mbParam; |
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int iFrameNum; |
int iFrameNum; |
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int iMaxKeyInterval; |
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int bitrate; |
int bitrate; |
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// plugins |
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unsigned int num_plugins; /* note: we store plugin flags in MBPARAM */ |
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xvid_enc_plugin_t * plugins; |
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// dquant |
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int * temp_dquants; |
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// images |
// images |
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FRAMEINFO *current; |
FRAMEINFO *current; |
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FRAMEINFO *reference; |
FRAMEINFO *reference; |
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#ifdef _DEBUG_PSNR |
IMAGE sOriginal; /* original image copy for i/p frames */ |
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IMAGE sOriginal; |
IMAGE sOriginal2; /* original image copy for b-frames */ |
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#endif |
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IMAGE vInterH; |
IMAGE vInterH; |
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IMAGE vInterV; |
IMAGE vInterV; |
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IMAGE vInterVf; |
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IMAGE vInterHV; |
IMAGE vInterHV; |
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IMAGE vInterHVf; |
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IMAGE vGMC; |
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/* image queue */ |
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int queue_head; |
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int queue_tail; |
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int queue_size; |
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QUEUEINFO *queue; |
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/* bframe buffer */ |
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int bframenum_head; |
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int bframenum_tail; |
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int flush_bframes; |
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FRAMEINFO **bframes; |
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IMAGE f_refh; |
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IMAGE f_refv; |
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IMAGE f_refhv; |
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/* closed_gop fixup temporary storage */ |
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int closed_bframenum; /* == -1 if there is no fixup intended */ |
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QUEUEINFO closed_qframe; /* qFrame, only valid when >= 0 */ |
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int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */ |
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Statistics sStat; |
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RateControl rate_control; |
RateControl rate_control; |
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float fMvPrevSigma; |
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} |
} |
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Encoder; |
Encoder; |
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void init_encoder(uint32_t cpu_flags); |
void init_encoder(uint32_t cpu_flags); |
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int encoder_create(XVID_ENC_PARAM * pParam); |
int enc_create(xvid_enc_create_t * create); |
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int encoder_destroy(Encoder * pEnc); |
int enc_destroy(Encoder * pEnc); |
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int encoder_encode(Encoder * pEnc, |
int enc_encode(Encoder * pEnc, |
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XVID_ENC_FRAME * pFrame, |
xvid_enc_frame_t * pFrame, |
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XVID_ENC_STATS * pResult); |
xvid_enc_stats_t * stats); |
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int encoder_encode_bframes(Encoder * pEnc, |
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XVID_ENC_FRAME * pFrame, |
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XVID_ENC_STATS * pResult); |
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#endif |
#endif |