+#ifndef AVCODEC_H
+#define AVCODEC_H
+
#include "common.h"
+#define LIBAVCODEC_VERSION_INT 0x000406
+#define LIBAVCODEC_VERSION "0.4.6"
+#define LIBAVCODEC_BUILD 4609
+#define LIBAVCODEC_BUILD_STR "4609"
+
enum CodecID {
CODEC_ID_NONE,
CODEC_ID_MPEG1VIDEO,
CODEC_ID_H263,
CODEC_ID_RV10,
CODEC_ID_MP2,
+ CODEC_ID_MP3LAME,
CODEC_ID_AC3,
CODEC_ID_MJPEG,
- CODEC_ID_OPENDIVX,
- CODEC_ID_PCM,
+ CODEC_ID_MPEG4,
CODEC_ID_RAWVIDEO,
- CODEC_ID_MSMPEG4,
+ CODEC_ID_MSMPEG4V1,
+ CODEC_ID_MSMPEG4V2,
+ CODEC_ID_MSMPEG4V3,
+ CODEC_ID_WMV1,
CODEC_ID_H263P,
CODEC_ID_H263I,
+
+ /* various pcm "codecs" */
+ CODEC_ID_PCM_S16LE,
+ CODEC_ID_PCM_S16BE,
+ CODEC_ID_PCM_U16LE,
+ CODEC_ID_PCM_U16BE,
+ CODEC_ID_PCM_S8,
+ CODEC_ID_PCM_U8,
+ CODEC_ID_PCM_MULAW,
+ CODEC_ID_PCM_ALAW,
};
+#define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
enum CodecType {
+ CODEC_TYPE_UNKNOWN = -1,
CODEC_TYPE_VIDEO,
CODEC_TYPE_AUDIO,
};
enum PixelFormat {
+ PIX_FMT_ANY = -1,
PIX_FMT_YUV420P,
PIX_FMT_YUV422,
PIX_FMT_RGB24,
PIX_FMT_YUV444P,
};
+/* currently unused, may be used if 24/32 bits samples ever supported */
+enum SampleFormat {
+ SAMPLE_FMT_S16 = 0, /* signed 16 bits */
+};
+
/* in bytes */
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
-/* motion estimation type */
+/* motion estimation type, EPZS by default */
+enum Motion_Est_ID {
+ ME_ZERO = 1,
+ ME_FULL,
+ ME_LOG,
+ ME_PHODS,
+ ME_EPZS,
+ ME_X1
+};
+
+/* only for ME compatiblity with old apps */
extern int motion_estimation_method;
-#define ME_ZERO 0
-#define ME_FULL 1
-#define ME_LOG 2
-#define ME_PHODS 3
+
+/* ME algos sorted by quality */
+static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
+ ME_X1, ME_EPZS, ME_FULL };
+
+#define FF_MAX_B_FRAMES 4
/* encoding support */
+/* note not everything is supported yet */
#define CODEC_FLAG_HQ 0x0001 /* high quality (non real time) encoding */
#define CODEC_FLAG_QSCALE 0x0002 /* use fixed qscale */
+#define CODEC_FLAG_4MV 0x0004 /* 4 MV per MB allowed */
+#define CODEC_FLAG_QPEL 0x0010 /* use qpel MC */
+#define CODEC_FLAG_GMC 0x0020 /* use GMC */
+#define CODEC_FLAG_TYPE 0x0040 /* fixed I/P frame type, from avctx->key_frame */
+/* parent program gurantees that the input for b-frame containing streams is not written to
+ for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */
+#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 */
+
+/* decoder can use draw_horiz_band callback */
+#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001
#define FRAME_RATE_BASE 10000
typedef struct AVCodecContext {
int bit_rate;
+ int bit_rate_tolerance; /* amount of +- bits (>0)*/
int flags;
int sub_id; /* some codecs needs additionnal format info. It is
stored there */
+
+ 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;
+ int aspect_ratio_info;
+#define FF_ASPECT_SQUARE 1
+#define FF_ASPECT_4_3_625 2
+#define FF_ASPECT_4_3_525 3
+#define FF_ASPECT_16_9_625 4
+#define FF_ASPECT_16_9_525 5
int gop_size; /* 0 = intra only */
- int pix_fmt; /* pixel format, see PIX_FMT_xxx */
+ 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
+ before */
+ void (*draw_horiz_band)(struct AVCodecContext *s,
+ UINT8 **src_ptr, int linesize,
+ int y, int width, int height);
+
/* audio only */
int sample_rate; /* samples per sec */
int channels;
+ 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 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
- (between 1 (good) and 31 (bad)) */
+ (between 1 (good) and 31 (bad))
+ this is allso used to set the quality in vbr mode
+ and the per frame quality in CODEC_FLAG_TYPE (second pass mode) */
+ float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0)*/
+ float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
+ int qmin; /* min qscale */
+ int qmax; /* max qscale */
+ int max_qdiff; /* max qscale difference between frames */
+ int max_b_frames; /* maximum b frames, the output will be delayed by max_b_frames+1 relative to the input */
+ float b_quant_factor;/* qscale factor between ips and b frames */
+ 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 data is for RTP friendly coding */
+ /* By now only H.263/H.263+ coder honours this */
+ int rtp_mode; /* 1 for activate RTP friendly-mode */
+ /* highers numbers represent more error-prone */
+ /* enviroments, by now just "1" exist */
+
+ int rtp_payload_size; /* The size of the RTP payload, the coder will */
+ /* do it's best to deliver a chunk with size */
+ /* below rtp_payload_size, the chunk will start */
+ /* with a start code on some codecs like H.263 */
+ /* This doesn't take account of any particular */
+ /* headers inside the transmited RTP payload */
+
+
+ /* The RTP callcack: This function is called */
+ /* every time the encoder as a packet to send */
+ /* Depends on the encoder if the data starts */
+ /* with a Start Code (it should) H.263 does */
+ void (*rtp_callback)(void *data, int size, int packet_number);
+
+ /* These are for PSNR calculation, if you set get_psnr to 1 */
+ /* after encoding you will have the PSNR on psnr_y/cb/cr */
+ int get_psnr;
+ float psnr_y;
+ float psnr_cb;
+ float psnr_cr;
+
+ /* statistics, used for 2-pass encoding */
+ int mv_bits;
+ int header_bits;
+ int i_tex_bits;
+ int p_tex_bits;
+ int i_count;
+ int p_count;
+ int skip_count;
+ int misc_bits; // cbp, mb_type
+ int frame_bits;
+
/* 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 {
int (*close)(AVCodecContext *);
int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
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 ac3_encoder;
extern AVCodec mp2_encoder;
+extern AVCodec mp3lame_encoder;
extern AVCodec mpeg1video_encoder;
extern AVCodec h263_encoder;
extern AVCodec h263p_encoder;
extern AVCodec rv10_encoder;
extern AVCodec mjpeg_encoder;
-extern AVCodec opendivx_encoder;
-extern AVCodec msmpeg4_encoder;
+extern AVCodec mpeg4_encoder;
+extern AVCodec msmpeg4v1_encoder;
+extern AVCodec msmpeg4v2_encoder;
+extern AVCodec msmpeg4v3_encoder;
extern AVCodec h263_decoder;
-extern AVCodec opendivx_decoder;
-extern AVCodec msmpeg4_decoder;
+extern AVCodec mpeg4_decoder;
+extern AVCodec msmpeg4v1_decoder;
+extern AVCodec msmpeg4v2_decoder;
+extern AVCodec msmpeg4v3_decoder;
+extern AVCodec wmv1_decoder;
extern AVCodec mpeg_decoder;
extern AVCodec h263i_decoder;
extern AVCodec rv10_decoder;
extern AVCodec mjpeg_decoder;
+extern AVCodec mp2_decoder;
+extern AVCodec mp3_decoder;
+
+/* pcm codecs */
+#define PCM_CODEC(id, name) \
+extern AVCodec name ## _decoder; \
+extern AVCodec name ## _encoder;
+
+PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
+PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
+PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
+PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
+PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
+PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
+PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
+PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
+
+#undef PCM_CODEC
-/* dummy raw codecs */
-extern AVCodec pcm_codec;
+/* dummy raw video codec */
extern AVCodec rawvideo_codec;
/* the following codecs use external GPL libs */
-extern AVCodec mp3_decoder;
extern AVCodec ac3_decoder;
/* resample.c */
void img_resample_close(ImgReSampleContext *s);
-int img_convert_to_yuv420(UINT8 *img_out, UINT8 *img,
+void avpicture_fill(AVPicture *picture, UINT8 *ptr,
+ int pix_fmt, int width, int height);
+int avpicture_get_size(int pix_fmt, int width, int height);
+
+/* convert among pixel formats */
+int img_convert(AVPicture *dst, int dst_pix_fmt,
+ AVPicture *src, int pix_fmt,
+ int width, int height);
+
+/* deinterlace a picture */
+int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
int pix_fmt, int width, int height);
/* external high level API */
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);
AVCodec *avcodec_find_encoder(enum CodecID id);
+AVCodec *avcodec_find_encoder_by_name(const char *name);
AVCodec *avcodec_find_decoder(enum CodecID id);
AVCodec *avcodec_find_decoder_by_name(const char *name);
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
int avcodec_close(AVCodecContext *avctx);
void avcodec_register_all(void);
+
+void avcodec_flush_buffers(AVCodecContext *avctx);
+
+#ifdef FF_POSTPROCESS
+#ifndef MBC
+#define MBC 128
+#define MBR 96
+#endif
+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 */