libavcodec/mpegvideo.h File Reference

{ "mpv_flags",      "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "skip_rd",        "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_SKIP_RD },    0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "strict_gop",     "Strictly enforce gop size",             0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "qp_rd",          "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD },  0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "cbp_rd",         "use rate distortion optimization for CBP",          0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "luma_elim_threshold",   "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\
                                                                      FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
{ "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\
                                                                      FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
{ "quantizer_noise_shaping", NULL,                                  FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 },       0, INT_MAX, FF_MPV_OPT_FLAGS },

Definition at line 735 of file mpegvideo.h.

#define FF_MPV_FLAG_CBP_RD 0x0008

Definition at line 731 of file mpegvideo.h.

Referenced by encode_mb_internal(), ff_MPV_encode_init(), get_b_cbp(), and get_p_cbp().

#define FF_MPV_FLAG_QP_RD 0x0004

Definition at line 730 of file mpegvideo.h.

Referenced by encode_mb_internal(), encode_thread(), and ff_MPV_encode_init().

#define FF_MPV_FLAG_SKIP_RD 0x0001

Definition at line 728 of file mpegvideo.h.

Referenced by encode_thread(), and ff_MPV_encode_init().

#define FF_MPV_FLAG_STRICT_GOP 0x0002

Definition at line 729 of file mpegvideo.h.

Referenced by ff_MPV_encode_init(), and select_input_picture().

#define FF_MPV_GENERIC_CLASS ( name )

Value:

static const AVClass name ## _class = {\
    .class_name = #name " encoder",\
    .item_name  = av_default_item_name,\
    .option     = ff_mpv_generic_options,\
    .version    = LIBAVUTIL_VERSION_INT,\
};

Definition at line 749 of file mpegvideo.h.

#define FF_MPV_OFFSET ( x ) offsetof(MpegEncContext, x)

Definition at line 733 of file mpegvideo.h.

#define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Definition at line 734 of file mpegvideo.h.

#define FRAME_SKIPPED 100

return value for header parsers if frame is not coded

Definition at line 43 of file mpegvideo.h.

Referenced by decode_vop_header(), ff_h263_decode_frame(), ff_mpeg4_decode_picture_header(), and rv20_decode_picture_header().

#define GOP_START_CODE 0x000001b8

Definition at line 76 of file mpegvideo.h.

Referenced by decode_chunks(), and mpeg1_encode_sequence_header().

#define HAS_CBP ( a ) ((a)&MB_TYPE_CBP)

Definition at line 121 of file mpegvideo.h.

Referenced by ff_h261_encode_mb(), ff_h263_decode_mb(), h261_decode_mb(), and mpeg_decode_mb().

#define INPLACE_OFFSET 16

Definition at line 71 of file mpegvideo.h.

Referenced by estimate_best_b_count(), ff_mpeg4_encode_mb(), load_input_picture(), and select_input_picture().

#define IS_16X16 ( a ) ((a)&MB_TYPE_16x16)

Definition at line 109 of file mpegvideo.h.

Referenced by await_references(), ff_h261_encode_mb(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info(), h261_decode_mb(), hl_decode_mb(), hl_decode_mb_444(), hl_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_16X8 ( a ) ((a)&MB_TYPE_16x8)

Definition at line 110 of file mpegvideo.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info(), hl_motion(), and rv34_decode_mv().

#define IS_8X16 ( a ) ((a)&MB_TYPE_8x16)

Definition at line 111 of file mpegvideo.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info(), hl_motion(), and rv34_decode_mv().

#define IS_8X8 ( a ) ((a)&MB_TYPE_8x8)

Definition at line 112 of file mpegvideo.h.

Referenced by await_references(), check_input_motion(), direct_search(), ff_er_frame_end(), ff_mpeg4_set_direct_mv(), ff_print_debug_info(), fill_decode_caches(), hl_motion(), mpeg4_decode_partitioned_mb(), pred_spatial_direct_motion(), pred_temp_direct_motion(), rv34_decode_mv(), and write_back_motion().

#define IS_ACPRED ( a ) ((a)&MB_TYPE_ACPRED)

Definition at line 117 of file mpegvideo.h.

Referenced by ff_print_debug_info(), and mpeg4_decode_partitioned_mb().

#define IS_DIR	(	a,
		part,
		list	)	((a) & (MB_TYPE_P0L0<<((part)+2*(list))))

Definition at line 119 of file mpegvideo.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_DIRECT ( a ) ((a)&MB_TYPE_DIRECT2)

Definition at line 107 of file mpegvideo.h.

Referenced by ff_h263_decode_mb(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info(), fill_decode_caches(), fill_filter_caches_inter(), mpeg4_decode_mb(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_GMC ( a ) ((a)&MB_TYPE_GMC)

Definition at line 108 of file mpegvideo.h.

Referenced by ff_print_debug_info().

#define IS_INTER ( a ) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))

Definition at line 103 of file mpegvideo.h.

Referenced by ff_er_frame_end(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), fill_filter_caches_inter(), guess_dc(), hl_motion(), and svq3_decode_mb().

#define IS_INTERLACED ( a ) ((a)&MB_TYPE_INTERLACED)

Definition at line 106 of file mpegvideo.h.

Referenced by check_input_motion(), decode_cabac_mb_skip(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_mpeg4_set_direct_mv(), ff_print_debug_info(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), filter_mb_dir(), loop_filter(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and predict_field_decoding_flag().

#define IS_INTRA ( a ) ((a)&7)

#define IS_INTRA16x16 ( a ) ((a)&MB_TYPE_INTRA16x16)

Definition at line 100 of file mpegvideo.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info(), hl_decode_mb_idct_luma(), rv34_decode_inter_mb_header(), and svq3_decode_mb().

#define IS_INTRA4x4 ( a ) ((a)&MB_TYPE_INTRA4x4)

Definition at line 99 of file mpegvideo.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info(), fill_decode_caches(), h261_decode_mb(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), and svq3_decode_mb().

#define IS_INTRA_PCM ( a ) ((a)&MB_TYPE_INTRA_PCM)

Definition at line 105 of file mpegvideo.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_hl_decode_mb(), hl_decode_mb(), and hl_decode_mb_444().

#define IS_PCM ( a ) ((a)&MB_TYPE_INTRA_PCM)

Definition at line 101 of file mpegvideo.h.

Referenced by ff_print_debug_info().

#define IS_QUANT ( a ) ((a)&MB_TYPE_QUANT)

Definition at line 118 of file mpegvideo.h.

Referenced by ff_h261_encode_mb(), ff_h263_decode_mb(), h261_decode_mb(), and mpeg_decode_mb().

#define IS_SKIP ( a ) ((a)&MB_TYPE_SKIP)

Definition at line 104 of file mpegvideo.h.

Referenced by decode_cabac_mb_skip(), ff_h263_loop_filter(), ff_print_debug_info(), ff_wmv2_decode_mb(), fill_decode_caches(), mpeg4_decode_mb(), mpeg4_decode_partition_b(), mpeg4_decode_partitioned_mb(), rv34_decode_mv(), svq3_decode_mb(), and write_back_motion_list().

#define IS_SUB_4X4 ( a ) ((a)&MB_TYPE_8x8)

Definition at line 116 of file mpegvideo.h.

Referenced by await_references(), and hl_motion().

#define IS_SUB_4X8 ( a ) ((a)&MB_TYPE_8x16)

Definition at line 115 of file mpegvideo.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_SUB_8X4 ( a ) ((a)&MB_TYPE_16x8)

Definition at line 114 of file mpegvideo.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_SUB_8X8 ( a ) ((a)&MB_TYPE_16x16)

Definition at line 113 of file mpegvideo.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), hl_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define MAX_FCODE 7

Definition at line 58 of file mpegvideo.h.

Referenced by ff_mpeg1_encode_init(), and init_mv_penalty_and_fcode().

#define MAX_MB_BYTES (30*16*16*3/8 + 120)

Definition at line 69 of file mpegvideo.h.

Referenced by encode_thread(), ff_MPV_encode_picture(), svq1_encode_frame(), and xvid_encode_frame().

#define MAX_MV 2048

Definition at line 59 of file mpegvideo.h.

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_get_best_fcode(), ff_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), init_mv_penalty_and_fcode(), and MPV_encode_defaults().

#define MAX_PICTURE_COUNT 32

Definition at line 63 of file mpegvideo.h.

Referenced by ff_h264_decode_seq_parameter_set(), ff_mpeg_update_thread_context(), ff_MPV_common_defaults(), ff_MPV_common_init(), ff_MPV_frame_end(), load_input_picture(), and select_input_picture().

#define MAX_THREADS 32

Definition at line 61 of file mpegvideo.h.

#define MB_TYPE_INTRA MB_TYPE_INTRA4x4

Definition at line 98 of file mpegvideo.h.

Referenced by ff_h263_decode_mb(), ff_h263_update_motion_val(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg_decode_mb(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), preview_obmc(), rv34_decode_intra_mb_header(), vc1_decode_b_mb_intfi(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), vc1_decode_p_mb_intfr(), and vc1_pred_b_mv_intfi().

#define ME_MAP_MV_BITS 11

Definition at line 67 of file mpegvideo.h.

Referenced by hpel_motion_search(), qpel_motion_search(), sab_diamond_search(), small_diamond_search(), and update_map_generation().

#define ME_MAP_SHIFT 3

Definition at line 66 of file mpegvideo.h.

Referenced by ff_init_me(), hpel_motion_search(), qpel_motion_search(), sad_hpel_motion_search(), and small_diamond_search().

#define ME_MAP_SIZE 64

Definition at line 65 of file mpegvideo.h.

Referenced by encode_init(), ff_init_me(), hpel_motion_search(), init_duplicate_context(), qpel_motion_search(), sab_diamond_search(), sad_hpel_motion_search(), small_diamond_search(), svq1_encode_init(), and update_map_generation().

#define MPEG_BUF_SIZE (16 * 1024)

Definition at line 53 of file mpegvideo.h.

#define MV_DIR_BACKWARD 2

Definition at line 381 of file mpegvideo.h.

Referenced by encode_mb_internal(), encode_thread(), ff_er_frame_end(), ff_h263_decode_mb(), ff_mpeg4_encode_mb(), ff_xvmc_decode_mb(), guess_mv(), mpeg1_encode_mb_internal(), mpeg4_decode_mb(), and MPV_decode_mb_internal().

#define MV_DIR_FORWARD 1

#define MV_DIRECT 4

bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)

Definition at line 382 of file mpegvideo.h.

Referenced by encode_mb_internal(), encode_thread(), ff_h263_decode_mb(), ff_mpeg4_encode_mb(), and mpeg4_decode_mb().

#define MV_TYPE_16X16 0

#define MV_TYPE_16X8 2

2 vectors, one per 16x8 block

Definition at line 386 of file mpegvideo.h.

Referenced by ff_MPV_lowest_referenced_row(), ff_xvmc_decode_mb(), mpeg_decode_mb(), MPV_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_8X8 1

4 vectors (h263, mpeg4 4MV)

Definition at line 385 of file mpegvideo.h.

Referenced by cmp_direct_inline(), direct_search(), encode_mb_internal(), encode_thread(), ff_er_frame_end(), ff_h263_decode_mb(), ff_h263_update_motion_val(), ff_mpeg4_encode_mb(), ff_mpeg4_set_direct_mv(), ff_MPV_lowest_referenced_row(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), MPV_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_DMV 4

2 vectors, special mpeg2 Dual Prime Vectors

Definition at line 388 of file mpegvideo.h.

Referenced by ff_xvmc_decode_mb(), mpeg_decode_mb(), MPV_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_FIELD 3

2 vectors, one per field

Definition at line 387 of file mpegvideo.h.

Referenced by encode_thread(), ff_mpeg4_encode_mb(), ff_mpeg4_set_direct_mv(), ff_xvmc_decode_mb(), mpeg1_encode_mb_internal(), mpeg4_decode_mb(), mpeg_decode_mb(), mpeg_decode_slice(), MPV_motion_internal(), and MPV_motion_lowres().

#define PICT_BOTTOM_FIELD 2

#define PICT_FRAME 3

Definition at line 640 of file mpegvideo.h.

Referenced by commit_bitstream_and_slice_buffer(), copy_frame(), decode_chunks(), decode_slice(), decode_slice_header(), ff_draw_horiz_band(), ff_er_frame_end(), ff_h264_direct_ref_list_init(), ff_h264_execute_ref_pic_marking(), ff_init_block_index(), ff_mpeg1_encode_picture_header(), ff_MPV_common_defaults(), ff_MPV_frame_start(), ff_MPV_lowest_referenced_row(), ff_vdpau_h264_picture_complete(), ff_xvmc_decode_mb(), fill_colmap(), fill_picture_parameters(), fill_slice(), fill_vaapi_pic(), filter_mb_dir(), implicit_weight_table(), init_poc(), mpeg1_decode_sequence(), mpeg2_get_is_frame_start(), mpeg_decode_mb(), mpeg_decode_picture_display_extension(), mpeg_decode_slice(), mpeg_field_start(), MPV_motion_internal(), MPV_motion_lowres(), parse_nal_units(), pic_num_extract(), slice_decode_thread(), split_field_copy(), start_frame(), svq1_encode_init(), vaapi_mpeg2_decode_slice(), and vcr2_init_sequence().

#define PICT_TOP_FIELD 1

Definition at line 638 of file mpegvideo.h.

Referenced by copy_frame(), decode_slice_header(), ff_h264_fill_mbaff_ref_list(), ff_MPV_frame_start(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), fill_vaapi_pic(), init_poc(), mpeg_decode_mb(), and parse_nal_units().

#define PICTURE_START_CODE 0x00000100

Definition at line 77 of file mpegvideo.h.

Referenced by decode_chunks(), ff_mpeg1_encode_picture_header(), ff_mpeg1_find_frame_end(), mpegvideo_extract_headers(), and mpegvideo_probe().

#define QMAT_SHIFT 21

Definition at line 56 of file mpegvideo.h.

Referenced by dct_quantize_trellis_c(), ff_convert_matrix(), and ff_dct_quantize_c().

#define QMAT_SHIFT_MMX 16

Definition at line 55 of file mpegvideo.h.

Referenced by ff_convert_matrix().

#define QUANT_BIAS_SHIFT 8

Definition at line 439 of file mpegvideo.h.

Referenced by ff_convert_matrix(), ff_dct_quantize_c(), and ff_MPV_encode_init().

#define REBASE_PICTURE	(	pic,
		new_ctx,
		old_ctx	)

Value:

(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)

Definition at line 722 of file mpegvideo.h.

Referenced by copy_picture_range(), and ff_mpeg_update_thread_context().

#define SEQ_END_CODE 0x000001b7

Definition at line 74 of file mpegvideo.h.

Referenced by ff_mpeg1_find_frame_end(), and mpeg_decode_frame().

#define SEQ_START_CODE 0x000001b3

Definition at line 75 of file mpegvideo.h.

Referenced by decode_chunks(), ff_mpeg1_find_frame_end(), mpeg1_encode_sequence_header(), mpegvideo_extract_headers(), and mpegvideo_probe().

#define SLICE_END -2

end marker found

Definition at line 681 of file mpegvideo.h.

Referenced by decode_slice(), ff_h263_decode_mb(), h261_decode_gob(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().

#define SLICE_ERROR -1

Definition at line 680 of file mpegvideo.h.

Referenced by h261_decode_mb(), and rv10_decode_packet().

#define SLICE_MAX_START_CODE 0x000001af

Definition at line 79 of file mpegvideo.h.

#define SLICE_MIN_START_CODE 0x00000101

Definition at line 78 of file mpegvideo.h.

Referenced by decode_chunks(), ff_mpeg1_encode_slice_header(), ff_mpeg1_find_frame_end(), mpegvideo_extract_headers(), and slice_decode_thread().

#define SLICE_NOEND -3

no end marker or error found but mb count exceeded

Definition at line 682 of file mpegvideo.h.

Referenced by decode_slice(), and mpeg4_decode_partitioned_mb().

#define SLICE_OK 0

Definition at line 679 of file mpegvideo.h.

Referenced by ff_h263_decode_mb(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().

#define UNI_AC_ENC_INDEX	(	run,
		level		)	((run)*128 + (level))

Definition at line 450 of file mpegvideo.h.

Referenced by bit8x8_c(), dct_quantize_refine(), dct_quantize_trellis_c(), get_block_rate(), init_uni_ac_vlc(), and rd8x8_c().

#define USER_START_CODE 0x000001b2

Definition at line 81 of file mpegvideo.h.

#define USES_LIST	(	a,
		list		)	((a) & ((MB_TYPE_P0L0\|MB_TYPE_P1L0)<<(2*(list))))

does this mb use listX, note does not work if subMBs

Definition at line 120 of file mpegvideo.h.

Referenced by check_input_motion(), ff_h263_decode_mb(), ff_print_debug_info(), fill_decode_caches(), fill_filter_caches_inter(), hl_decode_mb(), hl_decode_mb_444(), mpeg4_decode_mb(), mpeg_decode_mb(), pred_pskip_motion(), and write_back_motion().

#define VP_START 1

current MB is the first after a resync marker

Definition at line 492 of file mpegvideo.h.

Referenced by ff_er_add_slice(), ff_er_frame_end(), and ff_er_frame_start().

Enumeration Type Documentation

enum OutputFormat

Enumerator:

FMT_MPEG1
FMT_H261
FMT_H263
FMT_MJPEG
FMT_H264

Definition at line 45 of file mpegvideo.h.

Function Documentation

const uint8_t* avpriv_mpv_find_start_code	(	const uint8_t *	p,
		const uint8_t *	end,
		uint32_t *	state
	)

int ff_alloc_picture	(	MpegEncContext *	s,
		Picture *	pic,
		int	shared
	)

Allocate a Picture.

The pixels are allocated/set by calling get_buffer() if shared = 0.

The pixels are allocated/set by calling get_buffer() if shared = 0

Definition at line 294 of file mpegvideo.c.

Referenced by ff_MPV_frame_start(), load_input_picture(), and select_input_picture().

void ff_clean_intra_table_entries ( MpegEncContext * s )

Clean dc, ac, coded_block for the current non-intra MB.

Definition at line 2401 of file mpegvideo.c.

Referenced by encode_thread(), mpeg4_decode_partition_a(), and MPV_decode_mb_internal().

void ff_convert_matrix	(	DSPContext *	dsp,
		int(*)	qmat[64],
		uint16_t(*)	qmat16[2][64],
		const uint16_t *	quant_matrix,
		int	bias,
		int	qmin,
		int	qmax,
		int	intra
	)

Definition at line 71 of file mpegvideo_enc.c.

Referenced by dnxhd_init_qmat(), encode_picture(), and ff_MPV_encode_init().

void ff_copy_picture	(	Picture *	dst,
		Picture *	src
	)

Definition at line 218 of file mpegvideo.c.

Referenced by decode_slice_header(), ff_MPV_frame_start(), and select_input_picture().

int ff_dct_common_init ( MpegEncContext * s )

Definition at line 175 of file mpegvideo.c.

Referenced by dnxhd_encode_init(), ff_h263_decode_frame(), and ff_MPV_common_init().

int ff_dct_encode_init ( MpegEncContext * s )

Definition at line 270 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), and ff_MPV_encode_init().

void ff_dct_encode_init_x86 ( MpegEncContext * s )

Definition at line 83 of file mpegvideoenc.c.

Referenced by ff_dct_encode_init().

int ff_dct_quantize_c	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int *	overflow
	)

Definition at line 4143 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), encode_mb_internal(), and ff_dct_encode_init().

void ff_denoise_dct	(	MpegEncContext *	s,
		DCTELEM *	block
	)

void ff_draw_horiz_band	(	MpegEncContext *	s,
		int	y,
		int	h
	)

Parameters:

h

is the normal height, this will be reduced automatically if needed for the last row

Definition at line 2699 of file mpegvideo.c.

Referenced by decode_finish_row(), decode_slice(), ff_dxva2_common_end_frame(), ff_intrax8_decode_picture(), ff_vaapi_common_end_frame(), ff_vdpau_h264_picture_complete(), ff_vdpau_mpeg4_decode_picture(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ff_xvmc_decode_mb(), ff_xvmc_field_end(), mpeg_decode_slice(), svq3_decode_frame(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

int ff_epzs_motion_search	(	MpegEncContext *	s,
		int *	mx_ptr,
		int *	my_ptr,
		int	P[10][2],
		int	src_index,
		int	ref_index,
		int16_t(*)	last_mv[2],
		int	ref_mv_scale,
		int	size,
		int	h
	)

Definition at line 978 of file motion_est_template.c.

Referenced by direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), and ff_pre_estimate_p_frame_motion().

void ff_er_add_slice	(	MpegEncContext *	s,
		int	startx,
		int	starty,
		int	endx,
		int	endy,
		int	status
	)

Add a slice.

Parameters:

	endx	x component of the last macroblock, can be -1 for the last of the previous line
	status	the status at the end (ER_MV_END, ER_AC_ERROR, ...), it is assumed that no earlier end or error of the same type occurred

Definition at line 837 of file error_resilience.c.

Referenced by decode_chunks(), decode_slice(), ff_intrax8_decode_picture(), ff_mpeg4_decode_partitions(), rv10_decode_packet(), rv34_decode_slice(), slice_decode_thread(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

void ff_er_frame_end ( MpegEncContext * s )

Definition at line 905 of file error_resilience.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), field_end(), finish_frame(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), and vc1_decode_frame().

void ff_er_frame_start ( MpegEncContext * s )

Definition at line 819 of file error_resilience.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_h264_frame_start(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), and vc1_decode_frame().

void ff_estimate_b_frame_motion	(	MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Definition at line 1650 of file motion_est.c.

Referenced by estimate_motion_thread().

void ff_estimate_p_frame_motion	(	MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

< the variance of the block (sum of squared (p[y][x]-average))

< sum of squared differences with the estimated motion vector

Definition at line 989 of file motion_est.c.

Referenced by estimate_motion_thread(), and svq1_encode_plane().

int ff_find_unused_picture	(	MpegEncContext *	s,
		int	shared
	)

Definition at line 1254 of file mpegvideo.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_MPV_frame_start(), h261_decode_frame(), load_input_picture(), select_input_picture(), and vc1_decode_frame().

void ff_fix_long_mvs	(	MpegEncContext *	s,
		uint8_t *	field_select_table,
		int	field_select,
		int16_t(*)	mv_table[2],
		int	f_code,
		int	type,
		int	truncate
	)

Parameters:

truncate

1 for truncation, 0 for using intra

Definition at line 1916 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

void ff_fix_long_p_mvs ( MpegEncContext * s )

Definition at line 1865 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

int ff_get_best_fcode	(	MpegEncContext *	s,
		int16_t(*)	mv_table[2],
		int	type
	)

Definition at line 1806 of file motion_est.c.

Referenced by encode_picture().

int ff_get_mb_score	(	MpegEncContext *	s,
		int	mx,
		int	my,
		int	src_index,
		int	ref_index,
		int	size,
		int	h,
		int	add_rate
	)

Definition at line 190 of file motion_est_template.c.

Referenced by encode_q_branch().

void ff_h261_encode_init ( MpegEncContext * s )

Definition at line 239 of file h261enc.c.

Referenced by ff_MPV_encode_init().

void ff_h261_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

Definition at line 157 of file h261enc.c.

Referenced by encode_mb_internal().

void ff_h261_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 53 of file h261enc.c.

Referenced by encode_picture().

int ff_h261_get_picture_format	(	int	width,
		int	height
	)

Definition at line 41 of file h261enc.c.

Referenced by ff_h261_encode_picture_header(), ff_h261_reorder_mb_index(), ff_MPV_encode_init(), and h261_encode_gob_header().

void ff_h261_loop_filter ( MpegEncContext * s )

Definition at line 36 of file h261.c.

Referenced by mpeg_motion_internal().

void ff_h261_reorder_mb_index ( MpegEncContext * s )

Definition at line 108 of file h261enc.c.

Referenced by encode_thread().

static int ff_h263_round_chroma ( int x ) [inline, static]

Definition at line 849 of file mpegvideo.h.

Referenced by chroma_4mv_motion(), chroma_4mv_motion_lowres(), and h263_mv4_search().

void ff_init_block_index ( MpegEncContext * s )

int ff_init_me ( MpegEncContext * s )

Definition at line 296 of file motion_est.c.

Referenced by encode_frame(), encode_picture(), and svq1_encode_plane().

void ff_mpeg1_clean_buffers ( MpegEncContext * s )

Definition at line 663 of file mpeg12.c.

Referenced by encode_thread(), and mpeg_decode_slice().

void ff_mpeg1_encode_init ( MpegEncContext * s )

Definition at line 716 of file mpeg12enc.c.

Referenced by ff_MPV_encode_init().

void ff_mpeg1_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

Definition at line 669 of file mpeg12enc.c.

Referenced by encode_mb_internal().

void ff_mpeg1_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 344 of file mpeg12enc.c.

Referenced by encode_picture().

void ff_mpeg1_encode_slice_header ( MpegEncContext * s )

Definition at line 333 of file mpeg12enc.c.

Referenced by encode_thread(), and ff_mpeg1_encode_picture_header().

int ff_mpeg1_find_frame_end	(	ParseContext *	pc,
		const uint8_t *	buf,
		int	buf_size,
		AVCodecParserContext *	s
	)

Find the end of the current frame in the bitstream.

Returns:: the position of the first byte of the next frame, or -1

Definition at line 2183 of file mpeg12.c.

Referenced by mpeg_decode_frame(), and mpegvideo_parse().

void ff_mpeg_flush ( AVCodecContext * avctx )

Definition at line 2797 of file mpegvideo.c.

Referenced by decode_wmv9(), flush(), and flush_dpb().

int ff_mpeg_update_thread_context	(	AVCodecContext *	dst,
		const AVCodecContext *	src
	)

Definition at line 531 of file mpegvideo.c.

Referenced by decode_update_thread_context(), ff_rv34_decode_update_thread_context(), and mpeg_decode_update_thread_context().

void ff_MPV_common_defaults ( MpegEncContext * s )

Set the given MpegEncContext to common defaults (same for encoding and decoding).

The changed fields will not depend upon the prior state of the MpegEncContext.

Set the given MpegEncContext to common defaults (same for encoding and decoding).

The changed fields will not depend upon the prior state of the MpegEncContext.

Definition at line 634 of file mpegvideo.c.

Referenced by ff_MPV_decode_defaults(), and MPV_encode_defaults().

void ff_MPV_common_end ( MpegEncContext * s )

int ff_MPV_common_frame_size_change ( MpegEncContext * s )

Definition at line 977 of file mpegvideo.c.

Referenced by ff_h263_decode_frame(), ff_mpeg_update_thread_context(), ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().

int ff_MPV_common_init ( MpegEncContext * s )

init common structure for both encoder and decoder.

this assumes that some variables like width/height are already set

Definition at line 797 of file mpegvideo.c.

Referenced by decode_pic(), decode_slice_header(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg_update_thread_context(), ff_MPV_encode_init(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), h261_decode_frame(), rv10_decode_init(), rv20_decode_picture_header(), svq1_decode_init(), svq3_decode_init(), and vcr2_init_sequence().

void ff_MPV_common_init_altivec ( MpegEncContext * s )

Definition at line 115 of file mpegvideo_altivec.c.

Referenced by ff_dct_common_init().

void ff_MPV_common_init_arm ( MpegEncContext * s )

Definition at line 42 of file mpegvideo_arm.c.

Referenced by ff_dct_common_init().

void ff_MPV_common_init_axp ( MpegEncContext * s )

Definition at line 106 of file mpegvideo_alpha.c.

Referenced by ff_dct_common_init().

void ff_MPV_common_init_bfin ( MpegEncContext * s )

Definition at line 149 of file mpegvideo_bfin.c.

Referenced by ff_dct_common_init().

void ff_MPV_common_init_mmi ( MpegEncContext * s )

Definition at line 83 of file mpegvideo_mmi.c.

Referenced by ff_dct_common_init().

void ff_MPV_common_init_x86 ( MpegEncContext * s )

Definition at line 587 of file mpegvideo.c.

Referenced by ff_dct_common_init().

void ff_MPV_decode_defaults ( MpegEncContext * s )

Set the given MpegEncContext to defaults for decoding.

the changed fields will not depend upon the prior state of the MpegEncContext.

Definition at line 663 of file mpegvideo.c.

Referenced by ff_cavs_init(), ff_h263_decode_init(), ff_h264_decode_init(), ff_rv34_decode_init(), h261_decode_init(), mpeg_decode_init(), rv10_decode_init(), and svq1_decode_init().

void ff_MPV_decode_mb	(	MpegEncContext *	s,
		DCTELEM	block[12][64]
	)

Definition at line 2685 of file mpegvideo.c.

Referenced by decode_mb(), decode_slice(), encode_mb_hq(), encode_thread(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg_decode_slice(), and rv10_decode_packet().

int ff_MPV_encode_end ( AVCodecContext * avctx )

Definition at line 908 of file mpegvideo_enc.c.

Referenced by mpeg12_class().

int ff_MPV_encode_init ( AVCodecContext * avctx )

Definition at line 286 of file mpegvideo_enc.c.

Referenced by encode_init(), and wmv2_encode_init().

int ff_MPV_encode_picture	(	AVCodecContext *	avctx,
		AVPacket *	pkt,
		AVFrame *	frame,
		int *	got_packet
	)

Definition at line 1472 of file mpegvideo_enc.c.

Referenced by amv_encode_picture(), and mpeg12_class().

void ff_MPV_frame_end ( MpegEncContext * s )

Definition at line 1506 of file mpegvideo.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_MPV_encode_picture(), ff_rv34_decode_frame(), field_end(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().

int ff_MPV_frame_start	(	MpegEncContext *	s,
		AVCodecContext *	avctx
	)

generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded.

Definition at line 1293 of file mpegvideo.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_h264_frame_start(), ff_MPV_encode_picture(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), svq1_decode_frame(), and vc1_decode_frame().

int ff_MPV_lowest_referenced_row	(	MpegEncContext *	s,
		int	dir
	)

find the lowest MB row referenced in the MVs

Definition at line 2337 of file mpegvideo.c.

Referenced by MPV_decode_mb_internal().

void ff_MPV_motion	(	MpegEncContext *	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		int	dir,
		uint8_t **	ref_picture,
		op_pixels_func(*)	pix_op[4],
		qpel_mc_func(*)	qpix_op[16]
	)

Definition at line 870 of file mpegvideo_motion.c.

Referenced by encode_mb_internal(), and MPV_decode_mb_internal().

void ff_MPV_report_decode_progress ( MpegEncContext * s )

Definition at line 3049 of file mpegvideo.c.

Referenced by decode_slice(), and mpeg_decode_slice().

int ff_msmpeg4_decode_ext_header	(	MpegEncContext *	s,
		int	buf_size
	)

Definition at line 852 of file msmpeg4.c.

Referenced by ff_h263_decode_frame(), and ff_msmpeg4_decode_picture_header().

int ff_msmpeg4_decode_init ( AVCodecContext * avctx )

Definition at line 590 of file msmpeg4.c.

Referenced by vc1_decode_frame(), wmv2_decode_init(), and wmv9_init().

int ff_msmpeg4_decode_picture_header ( MpegEncContext * s )

Definition at line 698 of file msmpeg4.c.

Referenced by ff_h263_decode_frame().

void ff_msmpeg4_encode_ext_header ( MpegEncContext * s )

Definition at line 276 of file msmpeg4enc.c.

Referenced by encode_thread(), and ff_msmpeg4_encode_picture_header().

void ff_msmpeg4_encode_init ( MpegEncContext * s )

Definition at line 115 of file msmpeg4enc.c.

Referenced by ff_MPV_encode_init().

void ff_msmpeg4_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

Definition at line 373 of file msmpeg4enc.c.

Referenced by encode_mb_internal().

void ff_msmpeg4_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 217 of file msmpeg4enc.c.

Referenced by encode_picture().

void ff_mspel_motion	(	MpegEncContext *	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		uint8_t **	ref_picture,
		op_pixels_func(*)	pix_op[4],
		int	motion_x,
		int	motion_y,
		int	h
	)

Definition at line 73 of file wmv2.c.

Referenced by MPV_motion_internal().

int ff_pre_estimate_p_frame_motion	(	MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Definition at line 1210 of file motion_est.c.

Referenced by pre_estimate_motion_thread().

void ff_print_debug_info	(	MpegEncContext *	s,
		AVFrame *	pict
	)

Print debugging info for the given picture.

Definition at line 1669 of file mpegvideo.c.

Referenced by decode_frame(), ff_h263_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc1_decode_frame().

void ff_release_unused_pictures	(	MpegEncContext *	s,
		int	remove_current
	)

Definition at line 1192 of file mpegvideo.c.

Referenced by decode_slice_header(), and ff_MPV_frame_start().

void ff_rv10_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 31 of file rv10enc.c.

Referenced by encode_picture().

void ff_rv20_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 32 of file rv20enc.c.

Referenced by encode_picture().

int ff_rv_decode_dc	(	MpegEncContext *	s,
		int	n
	)

Definition at line 194 of file rv10.c.

Referenced by h263_decode_block().

void ff_set_qscale	(	MpegEncContext *	s,
		int	qscale
	)

set qscale and update qscale dependent variables.

Definition at line 3035 of file mpegvideo.c.

Referenced by decode_slice(), encode_mb_internal(), encode_thread(), ff_h261_encode_mb(), h261_decode_gob(), h261_decode_mb(), h263_decode_dquant(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().

static void ff_update_block_index ( MpegEncContext * s ) [inline, static]

Definition at line 826 of file mpegvideo.h.

Referenced by decode_mb(), decode_slice(), encode_thread(), ff_h261_reorder_mb_index(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), rv10_decode_packet(), rv34_decode_slice(), svq1_encode_plane(), vc1_apply_p_loop_filter(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

void ff_update_duplicate_context	(	MpegEncContext *	dst,
		MpegEncContext *	src
	)

Definition at line 515 of file mpegvideo.c.

Referenced by decode_chunks(), and encode_picture().

void ff_wmv2_add_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr
	)

Definition at line 59 of file wmv2.c.

Referenced by MPV_decode_mb_internal().

int ff_wmv2_decode_picture_header ( MpegEncContext * s )

Definition at line 114 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

int ff_wmv2_decode_secondary_picture_header ( MpegEncContext * s )

Definition at line 134 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

void ff_wmv2_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

Definition at line 150 of file wmv2enc.c.

Referenced by encode_mb_internal().

int ff_wmv2_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 70 of file wmv2enc.c.

Referenced by encode_picture().

void ff_write_quant_matrix	(	PutBitContext *	pb,
		uint16_t *	matrix
	)

Definition at line 158 of file mpegvideo_enc.c.

Referenced by mpeg1_encode_sequence_header(), and mpeg4_encode_vol_header().

static int get_bits_diff ( MpegEncContext * s ) [inline, static]

Definition at line 840 of file mpegvideo.h.

Referenced by ff_h263_encode_mb(), ff_mjpeg_encode_mb(), ff_mpeg4_encode_mb(), ff_msmpeg4_encode_mb(), mpeg1_encode_mb_internal(), and write_slice_end().

Variable Documentation

const uint8_t ff_aic_dc_scale_table[32]

Definition at line 248 of file h263data.h.

Referenced by ff_flv_encode_picture_header(), ff_h263_decode_picture_header(), ff_h263_encode_picture_header(), ff_rv20_encode_picture_header(), and rv10_decode_packet().

const uint8_t ff_h263_chroma_qscale_table[32]

Definition at line 262 of file h263data.h.

Referenced by ff_h263_decode_picture_header(), ff_MPV_encode_init(), and rv10_decode_packet().

const uint8_t ff_h263_loop_filter_strength[32]

Definition at line 275 of file h263data.h.

Referenced by h263_h_loop_filter_c(), and h263_v_loop_filter_c().

enum PixelFormat ff_hwaccel_pixfmt_list_420[]

Definition at line 133 of file mpegvideo.c.

Referenced by decode_slice_header().

const uint8_t ff_mpeg1_dc_scale_table[128]

Definition at line 73 of file mpegvideo.c.

Referenced by ff_flv_decode_picture_header(), ff_flv_encode_picture_header(), ff_h261_encode_init(), ff_h263_decode_picture_header(), ff_h263_encode_init(), ff_h263_encode_picture_header(), ff_intel_h263_decode_picture_header(), ff_MPV_common_defaults(), ff_msmpeg4_common_init(), ff_rv20_encode_picture_header(), and rv10_decode_packet().

const uint8_t* const ff_mpeg2_dc_scale_table[4]

Definition at line 121 of file mpegvideo.c.

Referenced by encode_picture(), and ff_mpeg12_common_init().

const AVOption ff_mpv_generic_options[]

Definition at line 66 of file mpegvideo_enc.c.

enum PixelFormat ff_pixfmt_list_420[]

Definition at line 128 of file mpegvideo.c.


Data Structures
struct	Picture
	Picture. More...
struct	MotionEstContext
	Motion estimation context. More...
struct	MpegEncContext
	MpegEncContext. More...
Defines
#define	FRAME_SKIPPED 100
	return value for header parsers if frame is not coded
#define	MPEG_BUF_SIZE (16 * 1024)
#define	QMAT_SHIFT_MMX 16
#define	QMAT_SHIFT 21
#define	MAX_FCODE 7
#define	MAX_MV 2048
#define	MAX_THREADS 32
#define	MAX_PICTURE_COUNT 32
#define	ME_MAP_SIZE 64
#define	ME_MAP_SHIFT 3
#define	ME_MAP_MV_BITS 11
#define	MAX_MB_BYTES (301616*3/8 + 120)
#define	INPLACE_OFFSET 16
#define	SEQ_END_CODE 0x000001b7
#define	SEQ_START_CODE 0x000001b3
#define	GOP_START_CODE 0x000001b8
#define	PICTURE_START_CODE 0x00000100
#define	SLICE_MIN_START_CODE 0x00000101
#define	SLICE_MAX_START_CODE 0x000001af
#define	EXT_START_CODE 0x000001b5
#define	USER_START_CODE 0x000001b2
#define	MB_TYPE_INTRA MB_TYPE_INTRA4x4
#define	IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
#define	IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
#define	IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
#define	IS_INTRA(a) ((a)&7)
#define	IS_INTER(a) ((a)&(MB_TYPE_16x16\|MB_TYPE_16x8\|MB_TYPE_8x16\|MB_TYPE_8x8))
#define	IS_SKIP(a) ((a)&MB_TYPE_SKIP)
#define	IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
#define	IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
#define	IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
#define	IS_GMC(a) ((a)&MB_TYPE_GMC)
#define	IS_16X16(a) ((a)&MB_TYPE_16x16)
#define	IS_16X8(a) ((a)&MB_TYPE_16x8)
#define	IS_8X16(a) ((a)&MB_TYPE_8x16)
#define	IS_8X8(a) ((a)&MB_TYPE_8x8)
#define	IS_SUB_8X8(a) ((a)&MB_TYPE_16x16)
#define	IS_SUB_8X4(a) ((a)&MB_TYPE_16x8)
#define	IS_SUB_4X8(a) ((a)&MB_TYPE_8x16)
#define	IS_SUB_4X4(a) ((a)&MB_TYPE_8x8)
#define	IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
#define	IS_QUANT(a) ((a)&MB_TYPE_QUANT)
#define	IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
#define	USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0\|MB_TYPE_P1L0)<<(2*(list))))
	does this mb use listX, note does not work if subMBs
#define	HAS_CBP(a) ((a)&MB_TYPE_CBP)
#define	MV_DIR_FORWARD 1
#define	MV_DIR_BACKWARD 2
#define	MV_DIRECT 4
	bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
#define	MV_TYPE_16X16 0
	1 vector for the whole mb
#define	MV_TYPE_8X8 1
	4 vectors (h263, mpeg4 4MV)
#define	MV_TYPE_16X8 2
	2 vectors, one per 16x8 block
#define	MV_TYPE_FIELD 3
	2 vectors, one per field
#define	MV_TYPE_DMV 4
	2 vectors, special mpeg2 Dual Prime Vectors
#define	CANDIDATE_MB_TYPE_INTRA 0x01
#define	CANDIDATE_MB_TYPE_INTER 0x02
#define	CANDIDATE_MB_TYPE_INTER4V 0x04
#define	CANDIDATE_MB_TYPE_SKIPPED 0x08
#define	CANDIDATE_MB_TYPE_DIRECT 0x10
#define	CANDIDATE_MB_TYPE_FORWARD 0x20
#define	CANDIDATE_MB_TYPE_BACKWARD 0x40
#define	CANDIDATE_MB_TYPE_BIDIR 0x80
#define	CANDIDATE_MB_TYPE_INTER_I 0x100
#define	CANDIDATE_MB_TYPE_FORWARD_I 0x200
#define	CANDIDATE_MB_TYPE_BACKWARD_I 0x400
#define	CANDIDATE_MB_TYPE_BIDIR_I 0x800
#define	CANDIDATE_MB_TYPE_DIRECT0 0x1000
#define	QUANT_BIAS_SHIFT 8
#define	UNI_AC_ENC_INDEX(run, level) ((run)*128 + (level))
#define	VP_START 1
	current MB is the first after a resync marker
#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)
#define	PICT_TOP_FIELD 1
#define	PICT_BOTTOM_FIELD 2
#define	PICT_FRAME 3
#define	CHROMA_420 1
#define	CHROMA_422 2
#define	CHROMA_444 3
#define	SLICE_OK 0
#define	SLICE_ERROR -1
#define	SLICE_END -2
	end marker found
#define	SLICE_NOEND -3
	no end marker or error found but mb count exceeded
#define	REBASE_PICTURE(pic, new_ctx, old_ctx)
#define	FF_MPV_FLAG_SKIP_RD 0x0001
#define	FF_MPV_FLAG_STRICT_GOP 0x0002
#define	FF_MPV_FLAG_QP_RD 0x0004
#define	FF_MPV_FLAG_CBP_RD 0x0008
#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
#define	FF_MPV_GENERIC_CLASS(name)
Enumerations
enum	OutputFormat { FMT_MPEG1, FMT_H261, FMT_H263, FMT_MJPEG, FMT_H264 }
Functions
void	ff_MPV_common_defaults (MpegEncContext *s)
	Set the given MpegEncContext to common defaults (same for encoding and decoding).
void	ff_MPV_decode_defaults (MpegEncContext *s)
	Set the given MpegEncContext to defaults for decoding.
int	ff_MPV_common_init (MpegEncContext *s)
	init common structure for both encoder and decoder.
int	ff_MPV_common_frame_size_change (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)
	generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded.
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, AVFrame frame, int got_packet)
void	ff_dct_encode_init_x86 (MpegEncContext *s)
void	ff_MPV_common_init_x86 (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)
	Clean dc, ac, coded_block for the current non-intra MB.
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)
	Print debugging info for the given picture.
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)
int	ff_MPV_lowest_referenced_row (MpegEncContext *s, int dir)
	find the lowest MB row referenced in the MVs
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)
	set qscale and update qscale dependent variables.
void	ff_er_frame_start (MpegEncContext *s)
void	ff_er_frame_end (MpegEncContext *s)
void	ff_er_add_slice (MpegEncContext *s, int startx, int starty, int endx, int endy, int status)
	Add a slice.
int	ff_dct_common_init (MpegEncContext *s)
int	ff_dct_encode_init (MpegEncContext *s)
void	ff_convert_matrix (DSPContext dsp, int(qmat)[64], uint16_t(qmat16)[2][64], const uint16_t quant_matrix, int bias, int qmin, int qmax, int intra)
int	ff_dct_quantize_c (MpegEncContext s, DCTELEM block, int n, int qscale, int *overflow)
void	ff_init_block_index (MpegEncContext *s)
void	ff_copy_picture (Picture dst, Picture src)
void	ff_MPV_motion (MpegEncContext s, uint8_t dest_y, uint8_t dest_cb, uint8_t dest_cr, int dir, uint8_t *ref_picture, op_pixels_func(pix_op)[4], qpel_mc_func(*qpix_op)[16])
int	ff_alloc_picture (MpegEncContext s, Picture pic, int shared)
	Allocate a Picture.
static void	ff_update_block_index (MpegEncContext *s)
static int	get_bits_diff (MpegEncContext *s)
static int	ff_h263_round_chroma (int x)
void	ff_estimate_p_frame_motion (MpegEncContext *s, int mb_x, int mb_y)
void	ff_estimate_b_frame_motion (MpegEncContext *s, int mb_x, int mb_y)
int	ff_get_best_fcode (MpegEncContext s, int16_t(mv_table)[2], int type)
void	ff_fix_long_p_mvs (MpegEncContext *s)
void	ff_fix_long_mvs (MpegEncContext s, uint8_t field_select_table, int field_select, int16_t(*mv_table)[2], int f_code, int type, int truncate)
int	ff_init_me (MpegEncContext *s)
int	ff_pre_estimate_p_frame_motion (MpegEncContext *s, int mb_x, int mb_y)
int	ff_epzs_motion_search (MpegEncContext s, int mx_ptr, int my_ptr, int P[10][2], int src_index, int ref_index, int16_t(last_mv)[2], int ref_mv_scale, int size, int h)
int	ff_get_mb_score (MpegEncContext *s, int mx, int my, int src_index, int ref_index, int size, int h, int add_rate)
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)
int	ff_mpeg1_find_frame_end (ParseContext pc, const uint8_t buf, int buf_size, AVCodecParserContext *s)
	Find the end of the current frame in the bitstream.
void	ff_h261_loop_filter (MpegEncContext *s)
void	ff_h261_reorder_mb_index (MpegEncContext *s)
void	ff_h261_encode_mb (MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
void	ff_h261_encode_picture_header (MpegEncContext *s, int picture_number)
void	ff_h261_encode_init (MpegEncContext *s)
int	ff_h261_get_picture_format (int width, int height)
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)
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	ff_wmv2_decode_secondary_picture_header (MpegEncContext *s)
void	ff_wmv2_add_mb (MpegEncContext s, DCTELEM block[6][64], uint8_t dest_y, uint8_t dest_cb, uint8_t dest_cr)
void	ff_mspel_motion (MpegEncContext s, uint8_t dest_y, uint8_t dest_cb, uint8_t dest_cr, uint8_t *ref_picture, op_pixels_func(pix_op)[4], int motion_x, int motion_y, int h)
int	ff_wmv2_encode_picture_header (MpegEncContext *s, int picture_number)
void	ff_wmv2_encode_mb (MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
Variables
const AVOption	ff_mpv_generic_options []
enum PixelFormat	ff_pixfmt_list_420 []
enum PixelFormat	ff_hwaccel_pixfmt_list_420 []
const uint8_t	ff_mpeg1_dc_scale_table [128]
const uint8_t *const	ff_mpeg2_dc_scale_table [4]
const uint8_t	ff_aic_dc_scale_table [32]
const uint8_t	ff_h263_chroma_qscale_table [32]
const uint8_t	ff_h263_loop_filter_strength [32]