mirror of https://git.ffmpeg.org/ffmpeg.git
doxy / cosmetics
Originally committed as revision 1638 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
parent
b304569aff
commit
277f4827fc
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@ -27,7 +27,7 @@
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#include "dsputil.h"
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#define FRAME_SKIPED 100 // return value for header parsers if frame is not coded
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#define FRAME_SKIPED 100 ///< return value for header parsers if frame is not coded
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enum OutputFormat {
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FMT_MPEG1,
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@ -55,10 +55,10 @@ enum OutputFormat {
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#define MAX_RUN 64
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#define MAX_LEVEL 64
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#define I_TYPE FF_I_TYPE // Intra
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#define P_TYPE FF_P_TYPE // Predicted
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#define B_TYPE FF_B_TYPE // Bi-dir predicted
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#define S_TYPE FF_S_TYPE // S(GMC)-VOP MPEG4
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#define I_TYPE FF_I_TYPE ///< Intra
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#define P_TYPE FF_P_TYPE ///< Predicted
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#define B_TYPE FF_B_TYPE ///< Bi-dir predicted
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#define S_TYPE FF_S_TYPE ///< S(GMC)-VOP MPEG4
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typedef struct Predictor{
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double coeff;
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@ -83,18 +83,21 @@ typedef struct RateControlEntry{
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int b_code;
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}RateControlEntry;
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/**
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* rate control context.
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*/
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typedef struct RateControlContext{
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FILE *stats_file;
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int num_entries; /* number of RateControlEntries */
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int num_entries; ///< number of RateControlEntries
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RateControlEntry *entry;
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int buffer_index; /* amount of bits in the video/audio buffer */
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int buffer_index; ///< amount of bits in the video/audio buffer
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Predictor pred[5];
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double short_term_qsum; /* sum of recent qscales */
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double short_term_qcount; /* count of recent qscales */
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double pass1_rc_eq_output_sum;/* sum of the output of the rc equation, this is used for normalization */
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double pass1_wanted_bits; /* bits which should have been outputed by the pass1 code (including complexity init) */
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double short_term_qsum; ///< sum of recent qscales
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double short_term_qcount; ///< count of recent qscales
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double pass1_rc_eq_output_sum;///< sum of the output of the rc equation, this is used for normalization
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double pass1_wanted_bits; ///< bits which should have been outputed by the pass1 code (including complexity init)
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double last_qscale;
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double last_qscale_for[5]; /* last qscale for a specific pict type, used for max_diff & ipb factor stuff */
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double last_qscale_for[5]; ///< last qscale for a specific pict type, used for max_diff & ipb factor stuff
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int last_mc_mb_var_sum;
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int last_mb_var_sum;
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uint64_t i_cplx_sum[5];
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@ -105,25 +108,31 @@ typedef struct RateControlContext{
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int last_non_b_pict_type;
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}RateControlContext;
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/**
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* Scantable.
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*/
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typedef struct ScanTable{
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const uint8_t *scantable;
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uint8_t permutated[64];
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uint8_t raster_end[64];
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#ifdef ARCH_POWERPC
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/* Used by dct_quantise_alitvec to find last-non-zero */
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/** Used by dct_quantise_alitvec to find last-non-zero */
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uint8_t __align8 inverse[64];
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#endif
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} ScanTable;
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/**
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* Picture.
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*/
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typedef struct Picture{
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FF_COMMON_FRAME
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int mb_var_sum; /* sum of MB variance for current frame */
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int mc_mb_var_sum; /* motion compensated MB variance for current frame */
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uint16_t *mb_var; /* Table for MB variances */
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uint16_t *mc_mb_var; /* Table for motion compensated MB variances */
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uint8_t *mb_mean; /* Table for MB luminance */
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int32_t *mb_cmp_score; /* Table for MB cmp scores, for mb decission */
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int mb_var_sum; ///< sum of MB variance for current frame
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int mc_mb_var_sum; ///< motion compensated MB variance for current frame
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uint16_t *mb_var; ///< Table for MB variances
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uint16_t *mc_mb_var; ///< Table for motion compensated MB variances
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uint8_t *mb_mean; ///< Table for MB luminance
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int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decission
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int b_frame_score; /* */
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} Picture;
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@ -138,21 +147,24 @@ typedef struct ParseContext{
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struct MpegEncContext;
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/**
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* Motion estimation context.
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*/
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typedef struct MotionEstContext{
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int skip; /* set if ME is skiped for the current MB */
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int co_located_mv[4][2]; /* mv from last p frame for direct mode ME */
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int skip; ///< set if ME is skiped for the current MB
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int co_located_mv[4][2]; ///< mv from last p frame for direct mode ME
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int direct_basis_mv[4][2];
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uint8_t *scratchpad; /* data area for the me algo, so that the ME doesnt need to malloc/free */
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uint32_t *map; /* map to avoid duplicate evaluations */
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uint32_t *score_map; /* map to store the scores */
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uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free
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uint32_t *map; ///< map to avoid duplicate evaluations
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uint32_t *score_map; ///< map to store the scores
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int map_generation;
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int pre_penalty_factor;
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int penalty_factor;
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int sub_penalty_factor;
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int mb_penalty_factor;
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int pre_pass; /* = 1 for the pre pass */
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int pre_pass; ///< = 1 for the pre pass
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int dia_size;
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uint16_t (*mv_penalty)[MAX_MV*2+1]; /* amount of bits needed to encode a MV */
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uint16_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV
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int (*sub_motion_search)(struct MpegEncContext * s,
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int *mx_ptr, int *my_ptr, int dmin,
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int xmin, int ymin, int xmax, int ymax,
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@ -172,138 +184,141 @@ typedef struct MotionEstContext{
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uint16_t * const mv_penalty);
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}MotionEstContext;
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/**
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* MpegEncContext.
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*/
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typedef struct MpegEncContext {
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struct AVCodecContext *avctx;
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/* the following parameters must be initialized before encoding */
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int width, height; /* picture size. must be a multiple of 16 */
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int width, height;///< picture size. must be a multiple of 16
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int gop_size;
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int frame_rate; /* number of frames per second */
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int intra_only; /* if true, only intra pictures are generated */
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int bit_rate; /* wanted bit rate */
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int bit_rate_tolerance; /* amount of +- bits (>0)*/
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enum OutputFormat out_format; /* output format */
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int h263_pred; /* use mpeg4/h263 ac/dc predictions */
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int frame_rate; ///< number of frames per second
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int intra_only; ///< if true, only intra pictures are generated
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int bit_rate; ///< wanted bit rate
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int bit_rate_tolerance; ///< amount of +- bits (>0)
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enum OutputFormat out_format; ///< output format
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int h263_pred; ///< use mpeg4/h263 ac/dc predictions
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/* the following codec id fields are deprecated in favor of codec_id */
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int h263_plus; /* h263 plus headers */
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int h263_rv10; /* use RV10 variation for H263 */
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int h263_msmpeg4; /* generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)*/
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int h263_intel; /* use I263 intel h263 header */
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int h263_plus; ///< h263 plus headers
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int h263_rv10; ///< use RV10 variation for H263
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int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)
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int h263_intel; ///< use I263 intel h263 header
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int codec_id; /* see CODEC_ID_xxx */
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int fixed_qscale; /* fixed qscale if non zero */
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float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0) */
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float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
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int qmin; /* min qscale */
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int qmax; /* max qscale */
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int max_qdiff; /* max qscale difference between frames */
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int encoding; /* true if we are encoding (vs decoding) */
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int flags; /* AVCodecContext.flags (HQ, MV4, ...) */
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int max_b_frames; /* max number of b-frames for encoding */
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int fixed_qscale; ///< fixed qscale if non zero
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float qcompress; ///< amount of qscale change between easy & hard scenes (0.0-1.0)
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float qblur; ///< amount of qscale smoothing over time (0.0-1.0)
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int qmin; ///< min qscale
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int qmax; ///< max qscale
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int max_qdiff; ///< max qscale difference between frames
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int encoding; ///< true if we are encoding (vs decoding)
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int flags; ///< AVCodecContext.flags (HQ, MV4, ...)
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int max_b_frames; ///< max number of b-frames for encoding
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int b_frame_strategy;
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int luma_elim_threshold;
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int chroma_elim_threshold;
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int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
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int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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int strict_std_compliance; ///< strictly follow the std (MPEG4, ...)
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int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically
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/* the following fields are managed internally by the encoder */
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/* bit output */
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/** bit output */
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PutBitContext pb;
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/* sequence parameters */
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int context_initialized;
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int input_picture_number;
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int picture_number;
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int picture_in_gop_number; /* 0-> first pic in gop, ... */
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int b_frames_since_non_b; /* used for encoding, relative to not yet reordered input */
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int mb_width, mb_height; /* number of MBs horizontally & vertically */
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int h_edge_pos, v_edge_pos;/* horizontal / vertical position of the right/bottom edge (pixel replicateion)*/
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int mb_num; /* number of MBs of a picture */
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int linesize; /* line size, in bytes, may be different from width */
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int uvlinesize; /* line size, for chroma in bytes, may be different from width */
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Picture picture[MAX_PICTURE_COUNT]; /* main picture buffer */
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Picture *input_picture[MAX_PICTURE_COUNT]; /* next pictures on display order for encoding*/
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Picture *reordered_input_picture[MAX_PICTURE_COUNT]; /* pointer to the next pictures in codedorder for encoding*/
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Picture last_picture; /* previous picture */
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Picture next_picture; /* previous picture (for bidir pred) */
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Picture new_picture; /* source picture for encoding */
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Picture current_picture; /* buffer to store the decompressed current picture */
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int last_dc[3]; /* last DC values for MPEG1 */
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int16_t *dc_val[3]; /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
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int picture_in_gop_number; ///< 0-> first pic in gop, ...
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int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input
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int mb_width, mb_height; ///< number of MBs horizontally & vertically
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int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replicateion)
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int mb_num; ///< number of MBs of a picture
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int linesize; ///< line size, in bytes, may be different from width
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int uvlinesize; ///< line size, for chroma in bytes, may be different from width
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Picture picture[MAX_PICTURE_COUNT]; ///< main picture buffer
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Picture *input_picture[MAX_PICTURE_COUNT]; ///< next pictures on display order for encoding
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Picture *reordered_input_picture[MAX_PICTURE_COUNT]; ///< pointer to the next pictures in codedorder for encoding
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Picture last_picture; ///< previous picture
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Picture next_picture; ///< previous picture (for bidir pred)
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Picture new_picture; ///< source picture for encoding
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Picture current_picture; ///< buffer to store the decompressed current picture
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int last_dc[3]; ///< last DC values for MPEG1
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int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
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int y_dc_scale, c_dc_scale;
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uint8_t *y_dc_scale_table; /* qscale -> y_dc_scale table */
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uint8_t *c_dc_scale_table; /* qscale -> c_dc_scale table */
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uint8_t *coded_block; /* used for coded block pattern prediction (msmpeg4v3, wmv1)*/
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int16_t (*ac_val[3])[16]; /* used for for mpeg4 AC prediction, all 3 arrays must be continuous */
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uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
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uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
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uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
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int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
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int ac_pred;
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uint8_t *prev_pict_types; /* previous picture types in bitstream order, used for mb skip */
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uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
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#define PREV_PICT_TYPES_BUFFER_SIZE 256
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int mb_skiped; /* MUST BE SET only during DECODING */
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uint8_t *mbskip_table; /* used to avoid copy if macroblock skipped (for black regions for example)
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int mb_skiped; ///< MUST BE SET only during DECODING
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uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example)
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and used for b-frame encoding & decoding (contains skip table of next P Frame) */
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uint8_t *mbintra_table; /* used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding */
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uint8_t *cbp_table; /* used to store cbp, ac_pred for partitioned decoding */
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uint8_t *pred_dir_table; /* used to store pred_dir for partitioned decoding */
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uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
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uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding
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uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding
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uint8_t *allocated_edge_emu_buffer;
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uint8_t *edge_emu_buffer; /* points into the middle of allocated_edge_emu_buffer */
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uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer
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int qscale; /* QP */
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float frame_qscale; /* qscale from the frame level rc FIXME remove*/
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int adaptive_quant; /* use adaptive quantization */
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int dquant; /* qscale difference to prev qscale */
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int pict_type; /* I_TYPE, P_TYPE, B_TYPE, ... */
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int qscale; ///< QP
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float frame_qscale; ///< qscale from the frame level rc FIXME remove
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int adaptive_quant; ///< use adaptive quantization
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int dquant; ///< qscale difference to prev qscale
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int pict_type; ///< I_TYPE, P_TYPE, B_TYPE, ...
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int last_pict_type;
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int last_non_b_pict_type; /* used for mpeg4 gmc b-frames & ratecontrol */
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int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
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int frame_rate_index;
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/* motion compensation */
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int unrestricted_mv; /* mv can point outside of the coded picture */
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int h263_long_vectors; /* use horrible h263v1 long vector mode */
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int unrestricted_mv; ///< mv can point outside of the coded picture
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int h263_long_vectors; ///< use horrible h263v1 long vector mode
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DSPContext dsp; /* pointers for accelerated dsp fucntions */
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int f_code; /* forward MV resolution */
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int b_code; /* backward MV resolution for B Frames (mpeg4) */
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int16_t (*motion_val)[2]; /* used for MV prediction (4MV per MB) */
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int16_t (*p_mv_table)[2]; /* MV table (1MV per MB) p-frame encoding */
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int16_t (*b_forw_mv_table)[2]; /* MV table (1MV per MB) forward mode b-frame encoding */
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int16_t (*b_back_mv_table)[2]; /* MV table (1MV per MB) backward mode b-frame encoding */
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int16_t (*b_bidir_forw_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
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int16_t (*b_bidir_back_mv_table)[2]; /* MV table (1MV per MB) bidir mode b-frame encoding */
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int16_t (*b_direct_mv_table)[2]; /* MV table (1MV per MB) direct mode b-frame encoding */
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int me_method; /* ME algorithm */
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DSPContext dsp; ///< pointers for accelerated dsp fucntions
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int f_code; ///< forward MV resolution
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int b_code; ///< backward MV resolution for B Frames (mpeg4)
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int16_t (*motion_val)[2]; ///< used for MV prediction (4MV per MB)
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int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) p-frame encoding
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int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode b-frame encoding
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int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode b-frame encoding
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int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding
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int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding
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int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode b-frame encoding
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int me_method; ///< ME algorithm
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int scene_change_score;
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int mv_dir;
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#define MV_DIR_BACKWARD 1
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#define MV_DIR_FORWARD 2
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#define MV_DIRECT 4 // bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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#define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
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int mv_type;
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#define MV_TYPE_16X16 0 /* 1 vector for the whole mb */
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#define MV_TYPE_8X8 1 /* 4 vectors (h263, mpeg4 4MV) */
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#define MV_TYPE_16X8 2 /* 2 vectors, one per 16x8 block */
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#define MV_TYPE_FIELD 3 /* 2 vectors, one per field */
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#define MV_TYPE_DMV 4 /* 2 vectors, special mpeg2 Dual Prime Vectors */
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/* motion vectors for a macroblock
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#define MV_TYPE_16X16 0 ///< 1 vector for the whole mb
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#define MV_TYPE_8X8 1 ///< 4 vectors (h263, mpeg4 4MV)
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#define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block
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#define MV_TYPE_FIELD 3 ///< 2 vectors, one per field
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#define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors
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/**motion vectors for a macroblock
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first coordinate : 0 = forward 1 = backward
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second " : depend on type
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third " : 0 = x, 1 = y
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*/
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int mv[2][4][2];
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int field_select[2][2];
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int last_mv[2][2][2]; /* last MV, used for MV prediction in MPEG1 & B-frame MPEG4 */
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uint8_t *fcode_tab; /* smallest fcode needed for each MV */
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int last_mv[2][2][2]; ///< last MV, used for MV prediction in MPEG1 & B-frame MPEG4
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uint8_t *fcode_tab; ///< smallest fcode needed for each MV
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MotionEstContext me;
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int no_rounding; /* apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
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int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
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for b-frames rounding mode is allways 0 */
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int hurry_up; /* when set to 1 during decoding, b frames will be skiped
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int hurry_up; /**< when set to 1 during decoding, b frames will be skiped
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when set to 2 idct/dequant will be skipped too */
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/* macroblock layer */
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int mb_x, mb_y;
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int mb_incr;
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int mb_intra;
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uint8_t *mb_type; /* Table for MB type */
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uint8_t *mb_type; ///< Table for MB type
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#define MB_TYPE_INTRA 0x01
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#define MB_TYPE_INTER 0x02
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#define MB_TYPE_INTER4V 0x04
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@ -315,20 +330,20 @@ typedef struct MpegEncContext {
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#define MB_TYPE_BACKWARD 0x40
|
||||
#define MB_TYPE_BIDIR 0x80
|
||||
|
||||
int block_index[6]; /* index to current MB in block based arrays with edges*/
|
||||
int block_index[6]; ///< index to current MB in block based arrays with edges
|
||||
int block_wrap[6];
|
||||
|
||||
/* matrix transmitted in the bitstream */
|
||||
/** matrix transmitted in the bitstream */
|
||||
uint16_t intra_matrix[64];
|
||||
uint16_t chroma_intra_matrix[64];
|
||||
uint16_t inter_matrix[64];
|
||||
uint16_t chroma_inter_matrix[64];
|
||||
#define QUANT_BIAS_SHIFT 4
|
||||
int intra_quant_bias; /* bias for the quantizer */
|
||||
int inter_quant_bias; /* bias for the quantizer */
|
||||
int min_qcoeff; /* minimum encodable coefficient */
|
||||
int max_qcoeff; /* maximum encodable coefficient */
|
||||
int ac_esc_length; /* num of bits needed to encode the longest esc */
|
||||
int intra_quant_bias; ///< bias for the quantizer
|
||||
int inter_quant_bias; ///< bias for the quantizer
|
||||
int min_qcoeff; ///< minimum encodable coefficient
|
||||
int max_qcoeff; ///< maximum encodable coefficient
|
||||
int ac_esc_length; ///< num of bits needed to encode the longest esc
|
||||
uint8_t *intra_ac_vlc_length;
|
||||
uint8_t *intra_ac_vlc_last_length;
|
||||
uint8_t *inter_ac_vlc_length;
|
||||
|
|
@ -337,29 +352,29 @@ typedef struct MpegEncContext {
|
|||
uint8_t *chroma_dc_vlc_length;
|
||||
#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
|
||||
|
||||
/* precomputed matrix (combine qscale and DCT renorm) */
|
||||
/** precomputed matrix (combine qscale and DCT renorm) */
|
||||
int __align8 q_intra_matrix[32][64];
|
||||
int __align8 q_inter_matrix[32][64];
|
||||
/* identical to the above but for MMX & these are not permutated */
|
||||
/** identical to the above but for MMX & these are not permutated */
|
||||
uint16_t __align8 q_intra_matrix16[32][64];
|
||||
uint16_t __align8 q_inter_matrix16[32][64];
|
||||
uint16_t __align8 q_intra_matrix16_bias[32][64];
|
||||
uint16_t __align8 q_inter_matrix16_bias[32][64];
|
||||
int block_last_index[6]; /* last non zero coefficient in block */
|
||||
int block_last_index[6]; ///< last non zero coefficient in block
|
||||
/* scantables */
|
||||
ScanTable __align8 intra_scantable;
|
||||
ScanTable intra_h_scantable;
|
||||
ScanTable intra_v_scantable;
|
||||
ScanTable inter_scantable; // if inter == intra then intra should be used to reduce tha cache usage
|
||||
ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
|
||||
|
||||
void *opaque; /* private data for the user */
|
||||
void *opaque; ///< private data for the user
|
||||
|
||||
/* bit rate control */
|
||||
int I_frame_bits; //FIXME used in mpeg12 ...
|
||||
int64_t wanted_bits;
|
||||
int64_t total_bits;
|
||||
int frame_bits; /* bits used for the current frame */
|
||||
RateControlContext rc_context; // contains stuff only accessed in ratecontrol.c
|
||||
int frame_bits; ///< bits used for the current frame
|
||||
RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c
|
||||
|
||||
/* statistics, used for 2-pass encoding */
|
||||
int mv_bits;
|
||||
|
|
@ -370,12 +385,12 @@ typedef struct MpegEncContext {
|
|||
int f_count;
|
||||
int b_count;
|
||||
int skip_count;
|
||||
int misc_bits; // cbp, mb_type
|
||||
int last_bits; //temp var used for calculating the above vars
|
||||
int misc_bits; ///< cbp, mb_type
|
||||
int last_bits; ///< temp var used for calculating the above vars
|
||||
|
||||
/* error concealment / resync */
|
||||
uint8_t *error_status_table; /* table of the error status of each MB */
|
||||
#define VP_START 1 /* current MB is the first after a resync marker */
|
||||
uint8_t *error_status_table; ///< table of the error status of each MB
|
||||
#define VP_START 1 ///< current MB is the first after a resync marker
|
||||
#define AC_ERROR 2
|
||||
#define DC_ERROR 4
|
||||
#define MV_ERROR 8
|
||||
|
|
@ -384,11 +399,11 @@ typedef struct MpegEncContext {
|
|||
#define MV_END 64
|
||||
//FIXME some prefix?
|
||||
|
||||
int resync_mb_x; /* x position of last resync marker */
|
||||
int resync_mb_y; /* y position of last resync marker */
|
||||
GetBitContext last_resync_gb; /* used to search for the next resync marker */
|
||||
int mb_num_left; /* number of MBs left in this video packet (for partitioned Slices only)*/
|
||||
int next_p_frame_damaged; /* set if the next p frame is damaged, to avoid showing trashed b frames */
|
||||
int resync_mb_x; ///< x position of last resync marker
|
||||
int resync_mb_y; ///< y position of last resync marker
|
||||
GetBitContext last_resync_gb; ///< used to search for the next resync marker
|
||||
int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only)
|
||||
int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames
|
||||
int error_resilience;
|
||||
|
||||
ParseContext parse_context;
|
||||
|
|
@ -398,21 +413,21 @@ typedef struct MpegEncContext {
|
|||
int gob_index;
|
||||
|
||||
/* H.263+ specific */
|
||||
int umvplus; /* == H263+ && unrestricted_mv */
|
||||
int h263_aic; /* Advanded INTRA Coding (AIC) */
|
||||
int h263_aic_dir; /* AIC direction: 0 = left, 1 = top */
|
||||
int umvplus; ///< == H263+ && unrestricted_mv
|
||||
int h263_aic; ///< Advanded INTRA Coding (AIC)
|
||||
int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
|
||||
|
||||
/* mpeg4 specific */
|
||||
int time_increment_resolution;
|
||||
int time_increment_bits; /* number of bits to represent the fractional part of time */
|
||||
int time_increment_bits; ///< number of bits to represent the fractional part of time
|
||||
int last_time_base;
|
||||
int time_base; /* time in seconds of last I,P,S Frame */
|
||||
int64_t time; /* time of current frame */
|
||||
int time_base; ///< time in seconds of last I,P,S Frame
|
||||
int64_t time; ///< time of current frame
|
||||
int64_t last_non_b_time;
|
||||
uint16_t pp_time; /* time distance between the last 2 p,s,i frames */
|
||||
uint16_t pb_time; /* time distance between the last b and p,s,i frame */
|
||||
uint16_t pp_time; ///< time distance between the last 2 p,s,i frames
|
||||
uint16_t pb_time; ///< time distance between the last b and p,s,i frame
|
||||
uint16_t pp_field_time;
|
||||
uint16_t pb_field_time; /* like above, just for interlaced */
|
||||
uint16_t pb_field_time; ///< like above, just for interlaced
|
||||
int shape;
|
||||
int vol_sprite_usage;
|
||||
int sprite_width;
|
||||
|
|
@ -422,12 +437,12 @@ typedef struct MpegEncContext {
|
|||
int sprite_brightness_change;
|
||||
int num_sprite_warping_points;
|
||||
int real_sprite_warping_points;
|
||||
int sprite_offset[2][2]; /* sprite offset[isChroma][isMVY] */
|
||||
int sprite_delta[2][2]; /* sprite_delta [isY][isMVY] */
|
||||
int sprite_shift[2]; /* sprite shift [isChroma] */
|
||||
int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]
|
||||
int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY]
|
||||
int sprite_shift[2]; ///< sprite shift [isChroma]
|
||||
int mcsel;
|
||||
int quant_precision;
|
||||
int quarter_sample; /* 1->qpel, 0->half pel ME/MC */
|
||||
int quarter_sample; ///< 1->qpel, 0->half pel ME/MC
|
||||
int scalability;
|
||||
int hierachy_type;
|
||||
int enhancement_type;
|
||||
|
|
@ -438,26 +453,26 @@ typedef struct MpegEncContext {
|
|||
int aspected_height;
|
||||
int sprite_warping_accuracy;
|
||||
int low_latency_sprite;
|
||||
int data_partitioning; /* data partitioning flag from header */
|
||||
int partitioned_frame; /* is current frame partitioned */
|
||||
int rvlc; /* reversible vlc */
|
||||
int resync_marker; /* could this stream contain resync markers*/
|
||||
int low_delay; /* no reordering needed / has no b-frames */
|
||||
int data_partitioning; ///< data partitioning flag from header
|
||||
int partitioned_frame; ///< is current frame partitioned
|
||||
int rvlc; ///< reversible vlc
|
||||
int resync_marker; ///< could this stream contain resync markers
|
||||
int low_delay; ///< no reordering needed / has no b-frames
|
||||
int vo_type;
|
||||
int vol_control_parameters; /* does the stream contain the low_delay flag, used to workaround buggy encoders */
|
||||
PutBitContext tex_pb; /* used for data partitioned VOPs */
|
||||
PutBitContext pb2; /* used for data partitioned VOPs */
|
||||
int vol_control_parameters; ///< does the stream contain the low_delay flag, used to workaround buggy encoders
|
||||
PutBitContext tex_pb; ///< used for data partitioned VOPs
|
||||
PutBitContext pb2; ///< used for data partitioned VOPs
|
||||
#define PB_BUFFER_SIZE 1024*256
|
||||
uint8_t *tex_pb_buffer;
|
||||
uint8_t *pb2_buffer;
|
||||
int mpeg_quant;
|
||||
#define CO_LOCATED_TYPE_4MV 1
|
||||
#define CO_LOCATED_TYPE_FIELDMV 2
|
||||
int8_t *co_located_type_table; /* 4mv & field_mv info for next b frame */
|
||||
int16_t (*field_mv_table)[2][2]; /* used for interlaced b frame decoding */
|
||||
int8_t (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
|
||||
int t_frame; /* time distance of first I -> B, used for interlaced b frames */
|
||||
int padding_bug_score; /* used to detect the VERY common padding bug in MPEG4 */
|
||||
int8_t *co_located_type_table; ///< 4mv & field_mv info for next b frame
|
||||
int16_t (*field_mv_table)[2][2]; ///< used for interlaced b frame decoding
|
||||
int8_t (*field_select_table)[2]; ///< wtf, no really another table for interlaced b frames
|
||||
int t_frame; ///< time distance of first I -> B, used for interlaced b frames
|
||||
int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG4
|
||||
|
||||
/* divx specific, used to workaround (many) bugs in divx5 */
|
||||
int divx_version;
|
||||
|
|
@ -473,16 +488,15 @@ typedef struct MpegEncContext {
|
|||
int lavc_build;
|
||||
|
||||
/* RV10 specific */
|
||||
int rv10_version; /* RV10 version: 0 or 3 */
|
||||
int rv10_version; ///< RV10 version: 0 or 3
|
||||
int rv10_first_dc_coded[3];
|
||||
|
||||
/* MJPEG specific */
|
||||
struct MJpegContext *mjpeg_ctx;
|
||||
int mjpeg_vsample[3]; /* vertical sampling factors, default = {2, 1, 1} */
|
||||
int mjpeg_hsample[3]; /* horizontal sampling factors, default = {2, 1, 1} */
|
||||
int mjpeg_write_tables; /* do we want to have quantisation- and
|
||||
huffmantables in the jpeg file ? */
|
||||
int mjpeg_data_only_frames; /* frames only with SOI, SOS and EOI markers */
|
||||
int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1}
|
||||
int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1}
|
||||
int mjpeg_write_tables; ///< do we want to have quantisation- and huffmantables in the jpeg file ?
|
||||
int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers
|
||||
|
||||
/* MSMPEG4 specific */
|
||||
int mv_table_index;
|
||||
|
|
@ -490,14 +504,14 @@ typedef struct MpegEncContext {
|
|||
int rl_chroma_table_index;
|
||||
int dc_table_index;
|
||||
int use_skip_mb_code;
|
||||
int slice_height; /* in macroblocks */
|
||||
int first_slice_line; /* used in mpeg4 too to handle resync markers */
|
||||
int slice_height; ///< in macroblocks
|
||||
int first_slice_line; ///< used in mpeg4 too to handle resync markers
|
||||
int flipflop_rounding;
|
||||
int msmpeg4_version; /* 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8*/
|
||||
int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
|
||||
int per_mb_rl_table;
|
||||
int esc3_level_length;
|
||||
int esc3_run_length;
|
||||
/* [mb_intra][isChroma][level][run][last] */
|
||||
/** [mb_intra][isChroma][level][run][last] */
|
||||
int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
|
||||
int inter_intra_pred;
|
||||
int mspel;
|
||||
|
|
@ -506,9 +520,9 @@ typedef struct MpegEncContext {
|
|||
GetBitContext gb;
|
||||
|
||||
/* Mpeg1 specific */
|
||||
int fake_picture_number; /* picture number at the bitstream frame rate */
|
||||
int gop_picture_number; /* index of the first picture of a GOP based on fake_pic_num & mpeg1 specific */
|
||||
int last_mv_dir; /* last mv_dir, used for b frame encoding */
|
||||
int fake_picture_number; ///< picture number at the bitstream frame rate
|
||||
int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & mpeg1 specific
|
||||
int last_mv_dir; ///< last mv_dir, used for b frame encoding
|
||||
|
||||
/* MPEG2 specific - I wish I had not to support this mess. */
|
||||
int progressive_sequence;
|
||||
|
|
@ -544,7 +558,7 @@ typedef struct MpegEncContext {
|
|||
uint8_t *ptr_last_mb_line;
|
||||
uint32_t mb_line_avgsize;
|
||||
|
||||
DCTELEM (*block)[64]; /* points to one of the following blocks */
|
||||
DCTELEM (*block)[64]; ///< points to one of the following blocks
|
||||
DCTELEM blocks[2][6][64] __align8; // for HQ mode we need to keep the best block
|
||||
int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
|
||||
#define SLICE_OK 0
|
||||
|
|
@ -649,18 +663,18 @@ void mpeg1_encode_mb(MpegEncContext *s,
|
|||
void ff_mpeg1_encode_init(MpegEncContext *s);
|
||||
|
||||
|
||||
/* h263enc.c */
|
||||
/** RLTable. */
|
||||
typedef struct RLTable {
|
||||
int n; /* number of entries of table_vlc minus 1 */
|
||||
int last; /* number of values for last = 0 */
|
||||
int n; ///< number of entries of table_vlc minus 1
|
||||
int last; ///< number of values for last = 0
|
||||
const uint16_t (*table_vlc)[2];
|
||||
const int8_t *table_run;
|
||||
const int8_t *table_level;
|
||||
uint8_t *index_run[2]; /* encoding only */
|
||||
int8_t *max_level[2]; /* encoding & decoding */
|
||||
int8_t *max_run[2]; /* encoding & decoding */
|
||||
VLC vlc; /* decoding only deprected FIXME remove*/
|
||||
RL_VLC_ELEM *rl_vlc[32]; /* decoding only */
|
||||
uint8_t *index_run[2]; ///< encoding only
|
||||
int8_t *max_level[2]; ///< encoding & decoding
|
||||
int8_t *max_run[2]; ///< encoding & decoding
|
||||
VLC vlc; ///< decoding only deprected FIXME remove
|
||||
RL_VLC_ELEM *rl_vlc[32]; ///< decoding only
|
||||
} RLTable;
|
||||
|
||||
void init_rl(RLTable *rl);
|
||||
|
|
|
|||
Loading…
Reference in New Issue