#define LIBAVCODEC_VERSION_INT 0x000406
#define LIBAVCODEC_VERSION "0.4.6"
-#define LIBAVCODEC_BUILD 4602
-#define LIBAVCODEC_BUILD_STR "4602"
+#define LIBAVCODEC_BUILD 4609
+#define LIBAVCODEC_BUILD_STR "4609"
enum CodecID {
CODEC_ID_NONE,
#define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
enum CodecType {
+ CODEC_TYPE_UNKNOWN = -1,
CODEC_TYPE_VIDEO,
CODEC_TYPE_AUDIO,
};
extern int motion_estimation_method;
/* ME algos sorted by quality */
-static const int Motion_Est_QTab[] = { 1, 4, 3, 6, 5, 2 };
+static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
+ ME_X1, ME_EPZS, ME_FULL };
#define FF_MAX_B_FRAMES 4
#define CODEC_FLAG_INPUT_PRESERVED 0x0100
#define CODEC_FLAG_PASS1 0x0200 /* use internal 2pass ratecontrol in first pass mode */
#define CODEC_FLAG_PASS2 0x0400 /* use internal 2pass ratecontrol in second pass mode */
+#define CODEC_FLAG_EXTERN_HUFF 0x1000 /* use external huffman table (for mjpeg) */
/* codec capabilities */
int me_method; /* ME algorithm used for video coding */
+ /* extra data from parent application to codec, e.g. huffman table
+ for mjpeg */
+ /* the parent should allocate and free this buffer */
+ void *extradata;
+ int extradata_size;
+
/* video only */
int frame_rate; /* frames per sec multiplied by FRAME_RATE_BASE */
int width, height;
#define FF_ASPECT_16_9_525 5
int gop_size; /* 0 = intra only */
enum PixelFormat pix_fmt; /* pixel format, see PIX_FMT_xxx */
-
+ int repeat_pict; /* when decoding, this signal how much the picture */
+ /* must be delayed. */
+ /* extra_delay = (repeat_pict / 2) * (1/fps) */
/* if non NULL, 'draw_horiz_band' is called by the libavcodec
decoder to draw an horizontal band. It improve cache usage. Not
all codecs can do that. You must check the codec capabilities
int sample_fmt; /* sample format, currenly unused */
/* the following data should not be initialized */
- int frame_size; /* in samples, initialized when calling 'init' */
- int frame_number; /* audio or video frame number */
- int key_frame; /* true if the previous compressed frame was
- a key frame (intra, or seekable) */
- int delay; /* number of frames the decoded output will be delayed relative to the encoded input */
+ int frame_size; /* in samples, initialized when calling 'init' */
+ int frame_number; /* audio or video frame number */
+ int real_pict_num; /* returns the real picture number of
+ previous encoded frame */
+ int key_frame; /* true if the previous compressed frame was
+ a key frame (intra, or seekable) */
+ int pict_type; /* picture type of the previous
+ encoded frame */
+/* FIXME: these should have FF_ */
+#define I_TYPE 1 // Intra
+#define P_TYPE 2 // Predicted
+#define B_TYPE 3 // Bi-dir predicted
+#define S_TYPE 4 // S(GMC)-VOP MPEG4
+
+ int delay; /* number of frames the decoded output
+ will be delayed relative to the encoded input */
+ uint8_t *mbskip_table; /* =1 if MB didnt change, is only valid for I/P frames
+ stride= mb_width = (width+15)>>4 */
/* encoding parameters */
int quality; /* quality of the previous encoded frame
int rc_strategy;
int b_frame_strategy;
+ int hurry_up; /* when set to 1 during decoding, b frames will be skiped
+ when set to 2 idct/dequant will be skipped too */
+
struct AVCodec *codec;
void *priv_data;
/* the following fields are ignored */
void *opaque; /* can be used to carry app specific stuff */
char codec_name[32];
- int codec_type; /* see CODEC_TYPE_xxx */
- int codec_id; /* see CODEC_ID_xxx */
+ enum CodecType codec_type; /* see CODEC_TYPE_xxx */
+ enum CodecID codec_id; /* see CODEC_ID_xxx */
unsigned int codec_tag; /* codec tag, only used if unknown codec */
+ /*
+ Note: Below are located reserved fields for further usage
+ It requires for ABI !!!
+ If you'll perform some changes then borrow new space from these fields
+ (void * can be safety replaced with struct * ;)
+ P L E A S E ! ! !
+ IMPORTANT: Never change order of already declared fields!!!
+ */
+ unsigned long long int
+ ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
+ ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
+ float
+ flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
+ flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
+ void
+ *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
+ *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
+ unsigned long int
+ ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
+ ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
+ unsigned int
+ ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5,
+ ui_res6,ui_res7,ui_res8,ui_res9,ui_res10,ui_res11,ui_res12;
+ unsigned short int
+ us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
+ us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
+ unsigned char
+ uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
+ uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
} AVCodecContext;
typedef struct AVCodec {
UINT8 *buf, int buf_size);
int capabilities;
struct AVCodec *next;
+ /*
+ Note: Below are located reserved fields for further usage
+ It requires for ABI !!!
+ If you'll perform some changes then borrow new space from these fields
+ (void * can be safety replaced with struct * ;)
+ P L E A S E ! ! !
+ IMPORTANT: Never change order of already declared fields!!!
+ */
+ unsigned long long int
+ ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
+ ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
+ float
+ flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
+ flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
+ void
+ *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
+ *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
} AVCodec;
/* three components are given, that's all */
extern AVCodec *first_avcodec;
+/* returns LIBAVCODEC_VERSION_INT constant */
+unsigned avcodec_version( void );
+/* returns LIBAVCODEC_BUILD constant */
+unsigned avcodec_build( void );
void avcodec_init(void);
void register_avcodec(AVCodec *format);
void avcodec_register_all(void);
+void avcodec_flush_buffers(AVCodecContext *avctx);
+
#ifdef FF_POSTPROCESS
#ifndef MBC
#define MBC 128
extern int quant_store[MBR+1][MBC+1]; // [Review]
#endif
+
+/**
+ * Interface for 0.5.0 version
+ *
+ * do not even think about it's usage for this moment
+ */
+
+typedef struct {
+ // compressed size used from given memory buffer
+ int size;
+ /// I/P/B frame type
+ int frame_type;
+} avc_enc_result_t;
+
+/**
+ * Commands
+ * order can't be changed - once it was defined
+ */
+typedef enum {
+ // general commands
+ AVC_OPEN_BY_NAME = 0xACA000,
+ AVC_OPEN_BY_CODEC_ID,
+ AVC_OPEN_BY_FOURCC,
+ AVC_CLOSE,
+
+ AVC_FLUSH,
+ // pin - struct { uint8_t* src, uint_t src_size }
+ // pout - struct { AVPicture* img, consumed_bytes,
+ AVC_DECODE,
+ // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
+ // pout - uint_t used_from_dest_size
+ AVC_ENCODE,
+
+ // query/get video commands
+ AVC_GET_VERSION = 0xACB000,
+ AVC_GET_WIDTH,
+ AVC_GET_HEIGHT,
+ AVC_GET_DELAY,
+ AVC_GET_QUANT_TABLE,
+ // ...
+
+ // query/get audio commands
+ AVC_GET_FRAME_SIZE = 0xABC000,
+
+ // maybe define some simple structure which
+ // might be passed to the user - but they can't
+ // contain any codec specific parts and these
+ // calls are usualy necessary only few times
+
+ // set video commands
+ AVC_SET_WIDTH = 0xACD000,
+ AVC_SET_HEIGHT,
+
+ // set video encoding commands
+ AVC_SET_FRAME_RATE = 0xACD800,
+ AVC_SET_QUALITY,
+ AVC_SET_HURRY_UP,
+
+ // set audio commands
+ AVC_SET_SAMPLE_RATE = 0xACE000,
+ AVC_SET_CHANNELS,
+
+} avc_cmd_t;
+
+/**
+ * \param handle allocated private structure by libavcodec
+ * for initialization pass NULL - will be returned pout
+ * user is supposed to know nothing about its structure
+ * \param cmd type of operation to be performed
+ * \param pint input parameter
+ * \param pout output parameter
+ *
+ * \returns command status - eventually for query command it might return
+ * integer resulting value
+ */
+int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
+
#endif /* AVCODEC_H */
projects / ffmpeg / blobdiff