English
资源说明：mpeg4编码库源代码，C++完整源代码，有需要饿同学尽管拿去。
// This is the header file describing
// the entrance function of the encoder core
// or the encore ...
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _ENC_PARAM_ {
int x_dim; // the x dimension of the frames to be encoded
int y_dim; // the y dimension of the frames to be encoded
float framerate;// the frame rate of the sequence to be encoded
long bitrate; // the bitrate of the target encoded stream
long rc_period; // the intended rate control averaging period
long rc_reaction_period; // the reation period for rate control
long rc_reaction_ratio; // the ratio for down/up rate control
long max_key_interval; // the maximum interval between key frames
int max_quantizer; // the upper limit of the quantizer
int min_quantizer; // the lower limit of the quantizer
int search_range; // the forward search range for motion estimation
} ENC_PARAM;
typedef struct _ENC_FRAME_ {
void *image; // the image frame to be encoded
void *bitstream;// the buffer for encoded bitstream
long length; // the length of the encoded bitstream
} ENC_FRAME;
typedef struct _ENC_RESULT_ {
int isKeyFrame; // the current frame is encoded as a key frame
} ENC_RESULT;
// the prototype of the encore() - main encode engine entrance
int encore(
unsigned long handle, // handle - the handle of the calling entity, must be unique
unsigned long enc_opt, // enc_opt - the option for encoding, see below
void *param1, // param1 - the parameter 1 (its actually meaning depends on enc_opt
void *param2); // param2 - the parameter 2 (its actually meaning depends on enc_opt
// encore options (the enc_opt parameter of encore())
#define ENC_OPT_WRITE 1024 // write the reconstruct image to files (for debuging)
#define ENC_OPT_INIT 32768 // initialize the encoder for an handle
#define ENC_OPT_RELEASE 65536 // release all the resource associated with the handle
// return code of encore()
#define ENC_OK 0
#define ENC_MEMORY 1
#define ENC_BAD_FORMAT 2
#ifdef __cplusplus
}
#endif
本源码包内暂不包含可直接显示的源代码文件，请下载源码包。
