* 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.
*/
#define AVCODEC_MPEGVIDEO_H
#include "dsputil.h"
-#include "bitstream.h"
+#include "get_bits.h"
+#include "put_bits.h"
#include "ratecontrol.h"
#include "parser.h"
#include "mpeg12data.h"
#define MAX_FCODE 7
#define MAX_MV 2048
-#define MAX_THREADS 8
+#define MAX_THREADS 16
#define MAX_PICTURE_COUNT 32
int field_poc[2]; ///< h264 top/bottom POC
int poc; ///< h264 frame POC
int frame_num; ///< h264 frame_num (raw frame_num from slice header)
+ int mmco_reset; ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
pic_num & max_pic_num; long -> long_pic_num) */
int long_ref; ///< 1->long term reference 0->short term reference
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
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. */
+
+ /** 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];
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
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 last_pict_type; //FIXME removes
int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
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;
/** 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 */
- DECLARE_ALIGNED_8(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];
/* 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 sprite_brightness_change;
int num_sprite_warping_points;
int real_sprite_warping_points;
+ uint16_t sprite_traj[4][2]; ///< sprite trajectory 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]
/* RV10 specific */
int rv10_version; ///< RV10 version: 0 or 3
int rv10_first_dc_coded[3];
+ int orig_width, orig_height;
/* MJPEG specific */
struct MJpegContext *mjpeg_ctx;
int broken_link; ///< no_output_of_prior_pics_flag
uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
- /* MPEG2 specific - I wish I had not to support this mess. */
+ /* MPEG-2-specific - I wished not to have to support this mess. */
int progressive_sequence;
int mpeg_f_code[2][2];
int picture_structure;
int rtp_mode;
uint8_t *ptr_lastgob;
- int swap_uv;//vcr2 codec is mpeg2 varint with UV swaped
+ int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
DCTELEM (*pblocks[12])[64];
DCTELEM (*block)[64]; ///< points to one of the following blocks
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_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_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);
+void ff_set_qscale(MpegEncContext * s, int qscale);
void ff_er_frame_start(MpegEncContext *s);
void ff_er_frame_end(MpegEncContext *s);
void ff_init_block_index(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
+ */
+int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
+
extern const enum PixelFormat ff_pixfmt_list_420[];
+extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
static inline void ff_update_block_index(MpegEncContext *s){
const int block_size= 8>>s->avctx->lowres;
/* mpeg12.c */
extern const uint8_t ff_mpeg1_dc_scale_table[128];
+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,
void ff_mpeg1_encode_init(MpegEncContext *s);
void ff_mpeg1_encode_slice_header(MpegEncContext *s);
void ff_mpeg1_clean_buffers(MpegEncContext *s);
-int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
-extern const uint8_t ff_mpeg4_y_dc_scale_table[32];
-extern const uint8_t ff_mpeg4_c_dc_scale_table[32];
extern const uint8_t ff_aic_dc_scale_table[32];
-extern const int16_t ff_mpeg4_default_intra_matrix[64];
-extern const int16_t ff_mpeg4_default_non_intra_matrix[64];
extern const uint8_t ff_h263_chroma_qscale_table[32];
extern const uint8_t ff_h263_loop_filter_strength[32];
int ff_h261_get_picture_format(int width, int height);
-/* h263.c, h263dec.c */
-int ff_h263_decode_init(AVCodecContext *avctx);
-int ff_h263_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
- const uint8_t *buf, int buf_size);
-int ff_h263_decode_end(AVCodecContext *avctx);
-void h263_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-void mpeg4_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-void h263_encode_picture_header(MpegEncContext *s, int picture_number);
-void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number);
-void h263_encode_gob_header(MpegEncContext * s, int mb_line);
-int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
- int *px, int *py);
-void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
- int dir);
-void ff_set_mpeg4_time(MpegEncContext * s);
-void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
-void h263_encode_init(MpegEncContext *s);
-void h263_decode_init_vlc(MpegEncContext *s);
-int h263_decode_picture_header(MpegEncContext *s);
-int ff_h263_decode_gob_header(MpegEncContext *s);
-int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
-void ff_h263_update_motion_val(MpegEncContext * s);
-void ff_h263_loop_filter(MpegEncContext * s);
-void ff_set_qscale(MpegEncContext * s, int qscale);
-int ff_h263_decode_mba(MpegEncContext *s);
-void ff_h263_encode_mba(MpegEncContext *s);
-
-int intel_h263_decode_picture_header(MpegEncContext *s);
-int flv_h263_decode_picture_header(MpegEncContext *s);
-int ff_h263_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
-int ff_mpeg4_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
-int h263_get_picture_format(int width, int height);
-void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
-void ff_mpeg4_clean_buffers(MpegEncContext *s);
-void ff_mpeg4_stuffing(PutBitContext * pbc);
-void ff_mpeg4_init_partitions(MpegEncContext *s);
-void ff_mpeg4_merge_partitions(MpegEncContext *s);
-void ff_clean_mpeg4_qscales(MpegEncContext *s);
-void ff_clean_h263_qscales(MpegEncContext *s);
-int ff_mpeg4_decode_partitions(MpegEncContext *s);
-int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
-int ff_h263_resync(MpegEncContext *s);
-const uint8_t *ff_h263_find_resync_marker(const uint8_t *p, const uint8_t *end);
-int ff_h263_get_gob_height(MpegEncContext *s);
-void ff_mpeg4_init_direct_mv(MpegEncContext *s);
-int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
-void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
-
-
/* rv10.c */
void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
int rv_decode_dc(MpegEncContext *s, int n);
int motion_x, int motion_y);
int msmpeg4_decode_picture_header(MpegEncContext * s);
int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
-int ff_msmpeg4_decode_init(MpegEncContext *s);
+int ff_msmpeg4_decode_init(AVCodecContext *avctx);
void ff_msmpeg4_encode_init(MpegEncContext *s);
int ff_wmv2_decode_picture_header(MpegEncContext * s);
int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);