* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/mpegvideo.h
+ * @file
* mpegvideo header.
*/
#ifndef AVCODEC_MPEGVIDEO_H
#define AVCODEC_MPEGVIDEO_H
+#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
#include "put_bits.h"
#include "mpeg12data.h"
#include "rl.h"
+#include "libavutil/opt.h"
+
#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
enum OutputFormat {
#define EXT_START_CODE 0x000001b5
#define USER_START_CODE 0x000001b2
+struct MpegEncContext;
+
/**
* Picture.
*/
typedef struct Picture{
- FF_COMMON_FRAME
+ struct AVFrame f;
/**
* halfpel luma planes.
*/
uint8_t *interpolated[3];
+ int8_t *qscale_table_base;
int16_t (*motion_val_base[2])[2];
uint32_t *mb_type_base;
#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
int ref_poc[2][2][16]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice)
int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
+ int field_picture; ///< whether or not the picture was encoded in separate fields
int mb_var_sum; ///< sum of MB variance for current frame
int mc_mb_var_sum; ///< motion compensated MB variance for current frame
uint8_t *mb_mean; ///< Table for MB luminance
int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decision FIXME remove
int b_frame_score; /* */
+ struct MpegEncContext *owner2; ///< pointer to the MpegEncContext that allocated this picture
} Picture;
-struct MpegEncContext;
-
/**
* Motion estimation context.
*/
int best_bits;
uint32_t *map; ///< map to avoid duplicate evaluations
uint32_t *score_map; ///< map to store the scores
- int map_generation;
+ unsigned map_generation;
int pre_penalty_factor;
- int penalty_factor; /*!< an estimate of the bits required to
+ int penalty_factor; /**< an estimate of the bits required to
code a given mv value, e.g. (1,0) takes
more bits than (0,0). We have to
estimate whether any reduction in
* MpegEncContext.
*/
typedef struct MpegEncContext {
+ AVClass *class;
struct AVCodecContext *avctx;
/* the following parameters must be initialized before encoding */
int width, height;///< picture size. must be a multiple of 16
/* the following codec id fields are deprecated in favor of codec_id */
int h263_plus; ///< h263 plus headers
- int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)
int h263_flv; ///< use flv h263 header
enum CodecID codec_id; /* see CODEC_ID_xxx */
int stream_codec_tag; ///< internal stream_codec_tag upper case converted from avctx stream_codec_tag
/* the following fields are managed internally by the encoder */
- /** bit output */
- PutBitContext pb;
-
/* sequence parameters */
int context_initialized;
int input_picture_number; ///< used to set pic->display_picture_number, should not be used for/by anything else
int coded_picture_number; ///< used to set pic->coded_picture_number, should not be used for/by anything else
int picture_number; //FIXME remove, unclear definition
int picture_in_gop_number; ///< 0-> first pic in gop, ...
- int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input
- int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video()
int mb_width, mb_height; ///< number of MBs horizontally & vertically
int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
Picture **input_picture; ///< next pictures on display order for encoding
Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding
+ int y_dc_scale, c_dc_scale;
+ int ac_pred;
+ int block_last_index[12]; ///< last non zero coefficient in block
+ int h263_aic; ///< Advanded INTRA Coding (AIC)
+
+ /* scantables */
+ ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
+ ScanTable intra_scantable;
+ ScanTable intra_h_scantable;
+ ScanTable intra_v_scantable;
+
+ /* WARNING: changes above this line require updates to hardcoded
+ * offsets used in asm. */
+
+ int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video()
+ /**
+ * pts difference between the first and second input frame, used for
+ * calculating dts of the first frame when there's a delay */
+ int64_t dts_delta;
+ /**
+ * reordered pts to be used as dts for the next output frame when there's
+ * a delay */
+ int64_t reordered_pts;
+
+ /** bit output */
+ PutBitContext pb;
+
int start_mb_y; ///< start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
int end_mb_y; ///< end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
struct MpegEncContext *thread_context[MAX_THREADS];
+ int slice_context_count; ///< number of used thread_contexts
/**
* copy of the previous picture structure.
Picture *last_picture_ptr; ///< pointer to the previous picture.
Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred)
Picture *current_picture_ptr; ///< pointer to the current picture
- uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization
+ int picture_count; ///< number of allocated pictures (MAX_PICTURE_COUNT * avctx->thread_count)
+ int picture_range_start, picture_range_end; ///< the part of picture that this context can allocate in
+ uint8_t *visualization_buffer[3]; ///< temporary buffer vor MV visualization
int last_dc[3]; ///< last DC values for MPEG1
int16_t *dc_val_base;
int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
- int16_t dc_cache[4*5];
- int y_dc_scale, c_dc_scale;
const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263)
uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
int16_t (*ac_val_base)[16];
int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
- int ac_pred;
- uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
-#define PREV_PICT_TYPES_BUFFER_SIZE 256
int mb_skipped; ///< MUST BE SET only during DECODING
uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example)
and used for b-frame encoding & decoding (contains skip table of next P Frame) */
uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding
uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding
- uint8_t *allocated_edge_emu_buffer;
- uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer
+ uint8_t *edge_emu_buffer; ///< temporary buffer for if MVs point to out-of-frame data
uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision
uint8_t *obmc_scratchpad;
uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers
int *lambda_table;
int adaptive_quant; ///< use adaptive quantization
int dquant; ///< qscale difference to prev qscale
- int closed_gop; ///< MPEG1/2 GOP is closed
- int pict_type; ///< FF_I_TYPE, FF_P_TYPE, FF_B_TYPE, ...
+ int pict_type; ///< AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
int last_pict_type; //FIXME removes
int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
int dropable;
/* motion compensation */
int unrestricted_mv; ///< mv can point outside of the coded picture
int h263_long_vectors; ///< use horrible h263v1 long vector mode
- int decode; ///< if 0 then decoding will be skipped (for encoding b frames for example)
DSPContext dsp; ///< pointers for accelerated dsp functions
int f_code; ///< forward MV resolution
int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
for b-frames rounding mode is always 0 */
- int hurry_up; /**< when set to 1 during decoding, b frames will be skipped
- when set to 2 idct/dequant will be skipped too */
-
/* macroblock layer */
int mb_x, mb_y;
int mb_skip_run;
uint8_t *inter_ac_vlc_length;
uint8_t *inter_ac_vlc_last_length;
uint8_t *luma_dc_vlc_length;
- uint8_t *chroma_dc_vlc_length;
#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
int coded_score[8];
/** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
uint16_t (*q_intra_matrix16)[2][64];
uint16_t (*q_inter_matrix16)[2][64];
- int block_last_index[12]; ///< last non zero coefficient in block
- /* scantables */
- ScanTable 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
/* noise reduction */
int (*dct_error_sum)[64];
void *opaque; ///< private data for the user
/* bit rate control */
- int64_t wanted_bits;
int64_t total_bits;
int frame_bits; ///< bits used for the current frame
int next_lambda; ///< next lambda used for retrying to encode a frame
int last_bits; ///< temp var used for calculating the above vars
/* error concealment / resync */
- int error_count;
+ int error_count, error_occurred;
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
-#define AC_END 16
-#define DC_END 32
-#define MV_END 64
-//FIXME some prefix?
+#define ER_AC_ERROR 2
+#define ER_DC_ERROR 4
+#define ER_MV_ERROR 8
+#define ER_AC_END 16
+#define ER_DC_END 32
+#define ER_MV_END 64
+
+#define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR)
+#define ER_MB_END (ER_AC_END|ER_DC_END|ER_MV_END)
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_recognition;
+ int err_recognition;
ParseContext parse_context;
/* 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 h263_slice_structured;
int alt_inter_vlc; ///< alternative inter vlc
int interlaced_dct;
int first_slice;
int first_field; ///< is 1 for the first field of a field picture 0 otherwise
+ int drop_frame_timecode; ///< timecode is in drop frame format.
+ int scan_offset; ///< reserve space for SVCD scan offset user data.
/* RTP specific */
int rtp_mode;
int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
+
+ int mpv_flags; ///< flags set by private options
} MpegEncContext;
+#define REBASE_PICTURE(pic, new_ctx, old_ctx) (pic ? \
+ (pic >= old_ctx->picture && pic < old_ctx->picture+old_ctx->picture_count ?\
+ &new_ctx->picture[pic - old_ctx->picture] : pic - (Picture*)old_ctx + (Picture*)new_ctx)\
+ : NULL)
+
+/* mpegvideo_enc common options */
+#define FF_MPV_FLAG_SKIP_RD 0x0001
+#define FF_MPV_FLAG_STRICT_GOP 0x0002
+
+#define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x)
+#define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
+#define FF_MPV_COMMON_OPTS \
+{ "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
+{ "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },
+
+extern const AVOption ff_mpv_generic_options[];
+
+#define FF_MPV_GENERIC_CLASS(name) \
+static const AVClass name ## _class = {\
+ .class_name = #name " encoder",\
+ .item_name = av_default_item_name,\
+ .option = ff_mpv_generic_options,\
+ .version = LIBAVUTIL_VERSION_INT,\
+};
-void MPV_decode_defaults(MpegEncContext *s);
-int MPV_common_init(MpegEncContext *s);
-void MPV_common_end(MpegEncContext *s);
-void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
-int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
-void MPV_frame_end(MpegEncContext *s);
-int MPV_encode_init(AVCodecContext *avctx);
-int MPV_encode_end(AVCodecContext *avctx);
-int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
-void MPV_common_init_mmx(MpegEncContext *s);
-void MPV_common_init_axp(MpegEncContext *s);
-void MPV_common_init_mlib(MpegEncContext *s);
-void MPV_common_init_mmi(MpegEncContext *s);
-void MPV_common_init_arm(MpegEncContext *s);
-void MPV_common_init_altivec(MpegEncContext *s);
-void MPV_common_init_bfin(MpegEncContext *s);
+void ff_MPV_decode_defaults(MpegEncContext *s);
+int ff_MPV_common_init(MpegEncContext *s);
+void ff_MPV_common_end(MpegEncContext *s);
+void ff_MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
+int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
+void ff_MPV_frame_end(MpegEncContext *s);
+int ff_MPV_encode_init(AVCodecContext *avctx);
+int ff_MPV_encode_end(AVCodecContext *avctx);
+int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet);
+void ff_MPV_common_init_mmx(MpegEncContext *s);
+void ff_MPV_common_init_axp(MpegEncContext *s);
+void ff_MPV_common_init_mmi(MpegEncContext *s);
+void ff_MPV_common_init_arm(MpegEncContext *s);
+void ff_MPV_common_init_altivec(MpegEncContext *s);
+void ff_MPV_common_init_bfin(MpegEncContext *s);
void ff_clean_intra_table_entries(MpegEncContext *s);
void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
void ff_mpeg_flush(AVCodecContext *avctx);
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
+void ff_release_unused_pictures(MpegEncContext *s, int remove_current);
int ff_find_unused_picture(MpegEncContext *s, int shared);
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
-const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
+int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir);
+void ff_MPV_report_decode_progress(MpegEncContext *s);
+int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src);
+const uint8_t *avpriv_mpv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
void ff_set_qscale(MpegEncContext * s, int qscale);
void ff_er_frame_start(MpegEncContext *s);
void ff_copy_picture(Picture *dst, Picture *src);
/**
- * allocates a Picture
- * The pixels are allocated/set by calling get_buffer() if shared=0
+ * Allocate a Picture.
+ * The pixels are allocated/set by calling get_buffer() if shared = 0.
*/
int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
/* mpeg12.c */
extern const uint8_t ff_mpeg1_dc_scale_table[128];
-extern const uint8_t * const mpeg2_dc_scale_table[4];
+extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
-void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
-void mpeg1_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
+void ff_mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
+void ff_mpeg1_encode_mb(MpegEncContext *s,
+ DCTELEM block[6][64],
+ int motion_x, int motion_y);
void ff_mpeg1_encode_init(MpegEncContext *s);
void ff_mpeg1_encode_slice_header(MpegEncContext *s);
void ff_mpeg1_clean_buffers(MpegEncContext *s);
/* rv10.c */
-void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
-int rv_decode_dc(MpegEncContext *s, int n);
-void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
+void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number);
+int ff_rv_decode_dc(MpegEncContext *s, int n);
+void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number);
/* msmpeg4.c */
-void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
-void msmpeg4_encode_ext_header(MpegEncContext * s);
-void msmpeg4_encode_mb(MpegEncContext * s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-int msmpeg4_decode_picture_header(MpegEncContext * s);
-int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
+void ff_msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
+void ff_msmpeg4_encode_ext_header(MpegEncContext * s);
+void ff_msmpeg4_encode_mb(MpegEncContext * s,
+ DCTELEM block[6][64],
+ int motion_x, int motion_y);
+int ff_msmpeg4_decode_picture_header(MpegEncContext * s);
+int ff_msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
int ff_msmpeg4_decode_init(AVCodecContext *avctx);
void ff_msmpeg4_encode_init(MpegEncContext *s);
int ff_wmv2_decode_picture_header(MpegEncContext * s);
int motion_x, int motion_y);
#endif /* AVCODEC_MPEGVIDEO_H */
-
projects / ffmpeg / blobdiff