hvirtual/quicktime/ffmpeg/libavcodec/mpegvideo.h File Reference

	buf	destination buffer
	src	source buffer
	linesize	number of bytes between 2 vertically adjacent samples in both the source and destination buffers
	block_w	width of block
	block_h	height of block
	src_x	x coordinate of the top left sample of the block in the source buffer
	src_y	y coordinate of the top left sample of the block in the source buffer
	w	width of the source buffer
	h	height of the source buffer

Definition at line 2580 of file mpegvideo.c.

Referenced by chroma_4mv_motion(), chroma_4mv_motion_lowres(), ff_mspel_motion(), gmc1_motion(), hpel_motion(), hpel_motion_lowres(), mc_dir_part(), mca(), mpeg_motion(), mpeg_motion_lowres(), MPV_motion(), qpel_motion(), render_fragments(), render_slice(), and svq3_mc_dir_part().

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
	)			`[inline]`

Definition at line 965 of file motion_est_template.c.

References c, epzs_motion_search_internal(), MotionEstContext::flags, and MpegEncContext::me.

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

Here is the call graph for this function:

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

adds 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 (MV_END, AC_ERROR, ...), it is assumed that no earlier end or error of the same type occured

Definition at line 612 of file error_resilience.c.

References AC_END, AC_ERROR, MpegEncContext::avctx, DC_END, DC_ERROR, MpegEncContext::error_count, MpegEncContext::error_resilience, MpegEncContext::error_status_table, MpegEncContext::mb_index2xy, MpegEncContext::mb_num, MpegEncContext::mb_width, MV_END, MV_ERROR, AVCodecContext::skip_top, AVCodecContext::thread_count, and VP_START.

Referenced by decode_slice(), ff_mpeg4_decode_partitions(), mpeg_decode_frame(), and slice_decode_thread().

void ff_er_frame_end ( MpegEncContext * s )

Definition at line 663 of file error_resilience.c.

Referenced by decode_nal_units(), ff_h263_decode_frame(), slice_end(), and vc9_decode_frame().

Here is the call graph for this function:

void ff_er_frame_start ( MpegEncContext * s )

Definition at line 599 of file error_resilience.c.

References AC_END, AC_ERROR, DC_END, DC_ERROR, MpegEncContext::error_count, MpegEncContext::error_resilience, MpegEncContext::error_status_table, MpegEncContext::mb_height, MpegEncContext::mb_num, MpegEncContext::mb_stride, MV_END, MV_ERROR, and VP_START.

Referenced by ff_h263_decode_frame(), frame_start(), h261_decode_frame(), mpeg_field_start(), and vc9_decode_frame().

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

Definition at line 1745 of file motion_est.c.

Here is the call graph for this function:

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

Definition at line 1139 of file motion_est.c.

Here is the call graph for this function:

double ff_eval	(	char *	s,
		double *	const_value,
		const char **	const_name,
		double(*)(void , double)	func1,
		const char **	func1_name,
		double(*)(void , double, double)	func2,
		char **	func2_name,
		void *	opaque
	)

Definition at line 185 of file eval.c.

References Parser::const_name, Parser::const_value, evalExpression(), Parser::func1, Parser::func1_name, Parser::func2, Parser::func2_name, Parser::opaque, Parser::s, and Parser::stack_index.

Referenced by get_qscale().

Here is the call graph for this function:

int ff_find_unused_picture	(	MpegEncContext *	s,
		int	shared
	)

Definition at line 1413 of file mpegvideo.c.

References MAX_PICTURE_COUNT, NULL, and MpegEncContext::picture.

Referenced by ff_h263_decode_frame(), h261_decode_frame(), MPV_frame_start(), and vc9_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 1996 of file motion_est.c.

References MotionEstContext::avctx, c, CANDIDATE_MB_TYPE_INTRA, FMT_MPEG1, MpegEncContext::mb_height, MpegEncContext::mb_stride, MpegEncContext::mb_type, MpegEncContext::mb_width, MpegEncContext::me, AVCodecContext::me_range, MpegEncContext::msmpeg4_version, NULL, and MpegEncContext::out_format.

void ff_fix_long_p_mvs ( MpegEncContext * s )

void ff_flv_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

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

Definition at line 1890 of file motion_est.c.

References MpegEncContext::avctx, B_TYPE, MpegEncContext::current_picture, MpegEncContext::fcode_tab, MAX_MV, MpegEncContext::mb_height, MpegEncContext::mb_num, MpegEncContext::mb_stride, MpegEncContext::mb_type, Picture::mb_var, MpegEncContext::mb_width, Picture::mc_mb_var, ME_EPZS, MpegEncContext::me_method, AVCodecContext::me_range, and MpegEncContext::pict_type.

int ff_get_mb_score	(	MpegEncContext *	s,
		int	mx,
		int	my,
		int	src_index,
		int	ref_index,
		int	size,
		int	h,
		int	add_rate
	)			`[inline]`

Definition at line 234 of file motion_est_template.c.

References c, cmp, MpegEncContext::dsp, FLAG_QPEL, LOAD_COMMON, DSPContext::mb_cmp, MotionEstContext::mb_flags, MotionEstContext::mb_penalty_factor, and MpegEncContext::me.

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

void ff_h261_encode_init ( MpegEncContext * s )

Definition at line 280 of file h261.c.

References MpegEncContext::c_dc_scale_table, ff_mpeg1_dc_scale_table, h261_rl_tcoeff, init_rl(), MpegEncContext::max_qcoeff, MpegEncContext::min_qcoeff, and MpegEncContext::y_dc_scale_table.

Here is the call graph for this function:

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

Definition at line 199 of file h261.c.

References H261Context::current_mba, H261Context::current_mv_x, H261Context::current_mv_y, MpegEncContext::dquant, ff_set_qscale(), get_cbp(), h261_cbp_tab, h261_encode_block(), h261_encode_motion(), h261_mba_bits, h261_mba_code, h261_mtype_bits, h261_mtype_code, h261_mtype_map, HAS_CBP, IS_16X16, IS_QUANT, MpegEncContext::loop_filter, MpegEncContext::mb_intra, H261Context::mtype, MpegEncContext::pb, H261Context::previous_mba, put_bits(), MpegEncContext::qscale, and MpegEncContext::skip_count.

Here is the call graph for this function:

void ff_h261_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 95 of file h261.c.

References align_put_bits(), MpegEncContext::avctx, H261Context::current_mba, AVRational::den, ff_h261_get_picture_format(), H261Context::gob_number, MpegEncContext::height, AVRational::num, MpegEncContext::pb, pbBufPtr(), MpegEncContext::picture_number, MpegEncContext::ptr_lastgob, put_bits(), AVCodecContext::time_base, and MpegEncContext::width.

Here is the call graph for this function:

void ff_h261_loop_filter ( MpegEncContext * s )

Definition at line 59 of file h261.c.

References MpegEncContext::dest, MpegEncContext::dsp, DSPContext::h261_loop_filter, IS_FIL, MpegEncContext::linesize, H261Context::mtype, and MpegEncContext::uvlinesize.

Referenced by mpeg_motion().

void ff_h261_reorder_mb_index ( MpegEncContext * s )

Definition at line 150 of file h261.c.

References ff_h261_get_picture_format(), ff_init_block_index(), ff_update_block_index(), h261_encode_gob_header(), MpegEncContext::height, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, and MpegEncContext::width.

Here is the call graph for this function:

int ff_h263_decode_end ( AVCodecContext * avctx )

Definition at line 116 of file h263dec.c.

References MPV_common_end(), AVCodecContext::priv_data, and s.

Here is the call graph for this function:

int ff_h263_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		uint8_t *	buf,
		int	buf_size
	)

Definition at line 414 of file h263dec.c.

References AC_ERROR, MpegEncContext::allocated_bitstream_buffer_size, av_fast_realloc(), av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, avcodec_set_dimensions(), MpegEncContext::avctx, AVDISCARD_ALL, AVDISCARD_NONKEY, AVDISCARD_NONREF, B_TYPE, MpegEncContext::bitstream_buffer, MpegEncContext::bitstream_buffer_size, GetBitContext::buffer, ParseContext::buffer, CODEC_FLAG_BITEXACT, CODEC_FLAG_LOW_DELAY, CODEC_FLAG_TRUNCATED, MpegEncContext::codec_id, CODEC_ID_H263, CODEC_ID_H263I, CODEC_ID_H263P, CODEC_ID_MPEG4, AVCodecContext::codec_tag, AVCodecContext::coded_height, AVCodecContext::coded_width, MpegEncContext::context_initialized, MpegEncContext::current_picture, MpegEncContext::current_picture_ptr, MpegEncContext::data_partitioning, DC_ERROR, AVCodecContext::debug, decode_slice(), MpegEncContext::divx_build, MpegEncContext::divx_packed, MpegEncContext::divx_version, MpegEncContext::dropable, MpegEncContext::error_status_table, AVCodecContext::extradata, AVCodecContext::extradata_size, FF_BUG_AUTODETECT, FF_BUG_DC_CLIP, FF_BUG_DIRECT_BLOCKSIZE, FF_BUG_EDGE, FF_BUG_HPEL_CHROMA, FF_BUG_NO_PADDING, FF_BUG_QPEL_CHROMA, FF_BUG_QPEL_CHROMA2, FF_BUG_STD_QPEL, FF_BUG_UMP4, FF_BUG_XVID_ILACE, ff_combine_frame(), FF_DEBUG_BUGS, ff_er_frame_end(), ff_er_frame_start(), ff_find_unused_picture(), ff_h263_get_gob_height(), ff_h263_resync(), FF_IDCT_AUTO, FF_IDCT_LIBMPEG2MMX, FF_INPUT_BUFFER_PADDING_SIZE, ff_mpeg4_clean_buffers(), ff_mpeg4_decode_picture_header(), ff_mpeg4_find_frame_end(), ff_print_debug_info(), ff_wmv2_decode_picture_header(), ff_wmv2_decode_secondary_picture_header(), AVCodecContext::flags, MpegEncContext::flags, AVCodecContext::flags2, MpegEncContext::flags2, flv_h263_decode_picture_header(), fopen(), fprintf, AVCodecContext::frame_number, FRAME_SKIPPED, MpegEncContext::gb, get_bits_count(), get_consumed_bytes(), MpegEncContext::gob_index, h263_decode_picture_header(), h263_find_frame_end(), MpegEncContext::h263_flv, MpegEncContext::h263_msmpeg4, MpegEncContext::h263_pred, AVCodecContext::has_b_frames, MpegEncContext::height, AVCodecContext::hurry_up, I_TYPE, AVCodecContext::idct_algo, init_get_bits(), intel_h263_decode_picture_header(), MpegEncContext::last_picture, MpegEncContext::last_picture_ptr, MpegEncContext::lavc_build, MpegEncContext::low_delay, MpegEncContext::mb_height, MpegEncContext::mb_num, MpegEncContext::mb_x, MpegEncContext::mb_y, memcpy, mm_flags, MPV_common_end(), MPV_common_init(), MPV_frame_end(), MPV_frame_start(), msmpeg4_decode_ext_header(), msmpeg4_decode_picture_header(), MpegEncContext::msmpeg4_version, MV_ERROR, MpegEncContext::next_p_frame_damaged, MpegEncContext::next_picture_ptr, NULL, MpegEncContext::padding_bug_score, MpegEncContext::parse_context, MpegEncContext::pict_type, MpegEncContext::picture, MpegEncContext::picture_number, AVCodecContext::priv_data, MpegEncContext::qscale, MpegEncContext::resync_marker, s, SET_QPEL_FUNC, GetBitContext::size_in_bits, AVCodecContext::skip_frame, MpegEncContext::slice_height, AVCodecContext::stream_codec_tag, MpegEncContext::vo_type, MpegEncContext::vol_control_parameters, MpegEncContext::width, MpegEncContext::workaround_bugs, and MpegEncContext::xvid_build.

Here is the call graph for this function:

int ff_h263_decode_gob_header ( MpegEncContext * s )

int ff_h263_decode_init ( AVCodecContext * avctx )

Definition at line 33 of file h263dec.c.

References MpegEncContext::avctx, AVCodecContext::codec, MpegEncContext::codec_id, CODEC_ID_FLV1, CODEC_ID_H263, CODEC_ID_H263I, CODEC_ID_MPEG4, CODEC_ID_MSMPEG4V1, CODEC_ID_MSMPEG4V2, CODEC_ID_MSMPEG4V3, CODEC_ID_WMV1, CODEC_ID_WMV2, CODEC_ID_WMV3, AVCodecContext::coded_height, AVCodecContext::coded_width, MpegEncContext::decode_mb, ff_h263_decode_mb(), ff_mpeg4_decode_mb(), ff_msmpeg4_decode_init(), FMT_H263, h263_decode_init_vlc(), MpegEncContext::h263_flv, MpegEncContext::h263_msmpeg4, MpegEncContext::h263_pred, MpegEncContext::height, AVCodec::id, MpegEncContext::low_delay, MPV_common_init(), MPV_decode_defaults(), MpegEncContext::msmpeg4_version, MpegEncContext::out_format, AVCodecContext::pix_fmt, PIX_FMT_YUV420P, AVCodecContext::priv_data, MpegEncContext::quant_precision, s, MpegEncContext::time_increment_bits, MpegEncContext::unrestricted_mv, MpegEncContext::width, AVCodecContext::workaround_bugs, and MpegEncContext::workaround_bugs.

Referenced by vc9_decode_init(), and wmv2_decode_init().

Here is the call graph for this function:

int ff_h263_decode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64]
	)

Definition at line 3893 of file h263.c.

References MpegEncContext::ac_pred, MpegEncContext::alt_inter_vlc, av_log(), AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::b8_stride, B_TYPE, MpegEncContext::block, MpegEncContext::block_last_index, CBPC_B_VLC_BITS, CBPY_VLC_BITS, DSPContext::clear_blocks, MpegEncContext::current_picture, MpegEncContext::dsp, ff_mpeg4_set_direct_mv(), MpegEncContext::gb, get_bits1(), get_bits_count(), get_vlc2(), MpegEncContext::h263_aic, MpegEncContext::h263_aic_dir, h263_decode_block(), h263_decode_dquant(), h263_decode_motion(), h263_mb_type_b_map, H263_MBTYPE_B_VLC_BITS, MpegEncContext::h263_pred, h263_pred_motion(), h263p_decode_umotion(), HAS_CBP, INTER_MCBPC_VLC_BITS, INTRA_MCBPC_VLC_BITS, IS_DIRECT, IS_INTRA, IS_QUANT, MpegEncContext::loop_filter, MpegEncContext::mb_intra, MpegEncContext::mb_num_left, MpegEncContext::mb_skipped, MpegEncContext::mb_stride, MB_TYPE_16x16, MB_TYPE_8x8, MB_TYPE_ACPRED, MB_TYPE_INTRA, MB_TYPE_L0, MB_TYPE_SKIP, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, MpegEncContext::mv, MpegEncContext::mv_dir, MV_DIR_BACKWARD, MV_DIR_FORWARD, MV_DIRECT, MpegEncContext::mv_type, MV_TYPE_16X16, MV_TYPE_8X8, MpegEncContext::obmc, P_TYPE, MpegEncContext::pict_type, preview_obmc(), show_bits(), GetBitContext::size_in_bits, skip_bits1(), SLICE_END, SLICE_OK, stride, VLC::table, MpegEncContext::umvplus, and USES_LIST.

Referenced by ff_h263_decode_init(), and rv10_decode_packet().

Here is the call graph for this function:

int ff_h263_decode_mba ( MpegEncContext * s )

Definition at line 2983 of file h263.c.

References ff_mba_length, ff_mba_max, MpegEncContext::gb, get_bits(), MpegEncContext::mb_num, MpegEncContext::mb_width, MpegEncContext::mb_x, and MpegEncContext::mb_y.

Referenced by h263_decode_gob_header(), h263_decode_picture_header(), and rv20_decode_picture_header().

Here is the call graph for this function:

void ff_h263_encode_mba ( MpegEncContext * s )

Definition at line 2997 of file h263.c.

References ff_mba_length, ff_mba_max, MpegEncContext::mb_num, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, MpegEncContext::pb, and put_bits().

Here is the call graph for this function:

void ff_h263_encode_motion	(	MpegEncContext *	s,
		int	val,
		int	f_code
	)

int ff_h263_get_gob_height ( MpegEncContext * s )

Get the GOB height based on picture height.

Definition at line 2974 of file h263.c.

References MpegEncContext::height.

Referenced by ff_h263_decode_frame().

void ff_h263_loop_filter ( MpegEncContext * s )

Definition at line 1391 of file h263.c.

References chroma_qp, MpegEncContext::chroma_qscale_table, MpegEncContext::current_picture, MpegEncContext::dest, MpegEncContext::dsp, DSPContext::h263_h_loop_filter, DSPContext::h263_v_loop_filter, IS_SKIP, MpegEncContext::linesize, MpegEncContext::mb_height, MpegEncContext::mb_stride, MpegEncContext::mb_x, MpegEncContext::mb_y, MpegEncContext::qscale, and MpegEncContext::uvlinesize.

Referenced by decode_slice(), and rv10_decode_packet().

int ff_h263_resync ( MpegEncContext * s )

decodes the group of blocks / video packet header.

Returns:: <0 if no resync found

Definition at line 3309 of file h263.c.

References align_get_bits(), MpegEncContext::codec_id, CODEC_ID_MPEG4, MpegEncContext::gb, get_bits_count(), h263_decode_gob_header(), MpegEncContext::last_resync_gb, mpeg4_decode_video_packet_header(), show_bits(), GetBitContext::size_in_bits, skip_bits(), and skip_bits1().

Referenced by ff_h263_decode_frame().

Here is the call graph for this function:

int ff_h263_round_chroma ( int x ) [inline]

Definition at line 3104 of file mpegvideo.c.

References h263_chroma_roundtab.

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

void ff_h263_update_motion_val ( MpegEncContext * s )

void ff_init_block_index ( MpegEncContext * s )

void ff_init_me ( MpegEncContext * s )

Definition at line 229 of file motion_est.c.

References MpegEncContext::avctx, MotionEstContext::avctx, DSPContext::avg_pixels_tab, DSPContext::avg_qpel_pixels_tab, c, CODEC_FLAG_QPEL, MpegEncContext::codec_id, CODEC_ID_H261, CODEC_ID_SNOW, MpegEncContext::dsp, FF_CMP_CHROMA, FF_CMP_SAD, ff_set_cmp(), MpegEncContext::flags, MotionEstContext::flags, get_flags(), MotionEstContext::hpel_avg, hpel_motion_search(), MotionEstContext::hpel_put, MpegEncContext::linesize, mb_cmp, AVCodecContext::mb_cmp, DSPContext::mb_cmp, MotionEstContext::mb_flags, MpegEncContext::mb_width, MpegEncContext::me, AVCodecContext::me_cmp, DSPContext::me_cmp, AVCodecContext::me_pre_cmp, DSPContext::me_pre_cmp, AVCodecContext::me_sub_cmp, DSPContext::me_sub_cmp, MpegEncContext::no_rounding, no_sub_motion_search(), DSPContext::put_no_rnd_pixels_tab, DSPContext::put_no_rnd_qpel_pixels_tab, DSPContext::put_pixels_tab, DSPContext::put_qpel_pixels_tab, MotionEstContext::qpel_avg, qpel_motion_search(), MotionEstContext::qpel_put, sad_hpel_motion_search(), MotionEstContext::scratchpad, MotionEstContext::stride, MotionEstContext::sub_flags, MotionEstContext::sub_motion_search, MotionEstContext::temp, MpegEncContext::uvlinesize, MotionEstContext::uvstride, zero_cmp(), and zero_hpel().

Referenced by encode_frame().

Here is the call graph for this function:

void ff_init_scantable	(	uint8_t *	,
		ScanTable *	st,
		const uint8_t *	src_scantable
	)

Definition at line 193 of file mpegvideo.c.

References ScanTable::permutated, ScanTable::raster_end, and ScanTable::scantable.

Referenced by common_init(), DCT_common_init(), decode_init(), decode_vop_header(), mpeg_decode_picture_coding_extension(), vp3_decode_init(), and wmv2_common_init().

void ff_mjpeg_stuffing ( PutBitContext * pbc )

void ff_mpeg1_clean_buffers ( MpegEncContext * s )

Definition at line 385 of file mpeg12.c.

References MpegEncContext::intra_dc_precision, MpegEncContext::last_dc, and MpegEncContext::last_mv.

Referenced by mpeg_decode_slice().

void ff_mpeg1_encode_init ( MpegEncContext * s )

void ff_mpeg1_encode_slice_header ( MpegEncContext * s )

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

finds 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 2996 of file mpeg12.c.

References END_NOT_FOUND, ParseContext::frame_start_found, SLICE_MAX_START_CODE, SLICE_MIN_START_CODE, and ParseContext::state.

Referenced by mpeg_decode_frame(), and mpegvideo_parse().

void ff_mpeg4_clean_buffers ( MpegEncContext * s )

Definition at line 3274 of file h263.c.

References MpegEncContext::ac_val, MpegEncContext::b8_stride, MpegEncContext::dc_val, MpegEncContext::last_mv, MpegEncContext::mb_stride, MpegEncContext::mb_x, MpegEncContext::mb_y, and memsetw().

Referenced by ff_h263_decode_frame().

Here is the call graph for this function:

int ff_mpeg4_decode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64]
	)

Definition at line 4159 of file h263.c.

References MpegEncContext::ac_pred, av_log(), AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::b_code, B_TYPE, MpegEncContext::block, MpegEncContext::block_last_index, CBPY_VLC_BITS, DSPContext::clear_blocks, MpegEncContext::codec_id, CODEC_ID_MPEG4, MpegEncContext::current_picture, MpegEncContext::dsp, MpegEncContext::f_code, FF_BUG_XVID_ILACE, ff_mpeg4_set_direct_mv(), ff_set_qscale(), MpegEncContext::field_select, MpegEncContext::gb, get_amv(), get_bits(), get_bits1(), get_vlc2(), GMC_SPRITE, h263_decode_motion(), MpegEncContext::h263_pred, h263_pred_motion(), INTER_MCBPC_VLC_BITS, MpegEncContext::interlaced_dct, INTRA_MCBPC_VLC_BITS, IS_DIRECT, IS_SKIP, MpegEncContext::last_mv, MpegEncContext::mb_intra, MpegEncContext::mb_skipped, MpegEncContext::mb_stride, MB_TYPE_16x16, MB_TYPE_16x8, MB_TYPE_8x8, MB_TYPE_ACPRED, mb_type_b_map, MB_TYPE_B_VLC_BITS, MB_TYPE_DIRECT2, MB_TYPE_GMC, MB_TYPE_INTERLACED, MB_TYPE_INTRA, MB_TYPE_L0, MB_TYPE_L0L1, MB_TYPE_SKIP, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, MpegEncContext::mcsel, mpeg4_decode_block(), mpeg4_is_resync(), MpegEncContext::mv, MpegEncContext::mv_dir, MV_DIR_BACKWARD, MV_DIR_FORWARD, MV_DIRECT, MpegEncContext::mv_type, MV_TYPE_16X16, MV_TYPE_8X8, MV_TYPE_FIELD, MpegEncContext::next_picture, P_TYPE, MpegEncContext::pict_type, MpegEncContext::progressive_sequence, MpegEncContext::qscale, S_TYPE, SLICE_END, SLICE_OK, VLC::table, USES_LIST, MpegEncContext::vol_sprite_usage, and MpegEncContext::workaround_bugs.

Referenced by decode_vop_header(), and ff_h263_decode_init().

Here is the call graph for this function:

int ff_mpeg4_decode_partitions ( MpegEncContext * s )

decodes the first & second partition

Returns:: <0 if error (and sets error type in the error_status_table)

Definition at line 3651 of file h263.c.

References av_log(), AV_LOG_ERROR, MpegEncContext::avctx, DC_END, DC_ERROR, DC_MARKER, ff_er_add_slice(), MpegEncContext::gb, get_bits(), get_bits_long(), I_TYPE, MpegEncContext::mb_num, MpegEncContext::mb_num_left, MpegEncContext::mb_width, MpegEncContext::mb_x, MpegEncContext::mb_y, MOTION_MARKER, mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), MV_END, MV_ERROR, P_TYPE, MpegEncContext::pict_type, MpegEncContext::resync_mb_x, MpegEncContext::resync_mb_y, show_bits(), and skip_bits().

Referenced by decode_slice().

Here is the call graph for this function:

int ff_mpeg4_decode_picture_header	(	MpegEncContext *	s,
		GetBitContext *	gb
	)

decode mpeg4 headers

Returns:: <0 if no VOP found (or a damaged one) FRAME_SKIPPED if a not coded VOP is found 0 if a VOP is found

Definition at line 5993 of file h263.c.

References align_get_bits(), av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, MpegEncContext::avctx, AVCodecContext::codec_tag, AVCodecContext::debug, decode_user_data(), decode_vol_header(), decode_vop_header(), MpegEncContext::divx_version, FF_DEBUG_STARTCODE, FRAME_SKIPPED, get_bits(), get_bits_count(), GOP_STARTCODE, mpeg4_decode_gop_header(), show_bits(), GetBitContext::size_in_bits, skip_bits(), USER_DATA_STARTCODE, VOP_STARTCODE, and MpegEncContext::xvid_build.

Referenced by av_mpeg4_decode_header(), and ff_h263_decode_frame().

Here is the call graph for this function:

void ff_mpeg4_encode_video_packet_header ( MpegEncContext * s )

int ff_mpeg4_find_frame_end	(	ParseContext *	pc,
		const uint8_t *	buf,
		int	buf_size
	)

finds 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 321 of file h263dec.c.

References END_NOT_FOUND, ParseContext::frame_start_found, and ParseContext::state.

Referenced by ff_h263_decode_frame(), and mpeg4video_parse().

int ff_mpeg4_get_video_packet_prefix_length ( MpegEncContext * s )

Definition at line 3113 of file h263.c.

References MpegEncContext::b_code, B_TYPE, MpegEncContext::f_code, I_TYPE, P_TYPE, MpegEncContext::pict_type, and S_TYPE.

Referenced by mpeg4_decode_video_packet_header(), and mpeg4_is_resync().

void ff_mpeg4_init_partitions ( MpegEncContext * s )

void ff_mpeg4_merge_partitions ( MpegEncContext * s )

int ff_mpeg4_set_direct_mv	(	MpegEncContext *	s,
		int	mx,
		int	my
	)

void ff_mpeg4_stuffing ( PutBitContext * pbc )

int ff_msmpeg4_decode_init ( MpegEncContext * s )

Definition at line 1111 of file msmpeg4.c.

References cbpy_tab, CBPY_VLC_BITS, common_init(), DC_VLC_BITS, MpegEncContext::decode_mb, ff_msmp4_mb_i_table, ff_table0_dc_chroma, ff_table0_dc_lum, ff_table1_dc_chroma, ff_table1_dc_lum, init_rl(), init_vlc(), init_vlc_rl(), INTER_INTRA_VLC_BITS, inter_MCBPC_bits, inter_MCBPC_code, intra_MCBPC_bits, intra_MCBPC_code, MpegEncContext::mb_height, MB_INTRA_VLC_BITS, MB_NON_INTRA_VLC_BITS, MpegEncContext::msmpeg4_version, msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), mv_tables, MV_VLC_BITS, mvtab, MVTable::n, rl_table, MpegEncContext::slice_height, table_inter_intra, MVTable::table_mv_bits, MVTable::table_mv_code, V1_INTER_CBPC_VLC_BITS, V1_INTRA_CBPC_VLC_BITS, v2_dc_chroma_table, v2_dc_lum_table, v2_intra_cbpc, V2_INTRA_CBPC_VLC_BITS, v2_mb_type, V2_MB_TYPE_VLC_BITS, V2_MV_VLC_BITS, MVTable::vlc, wmv2_decode_mb(), and wmv2_inter_table.

Referenced by ff_h263_decode_init().

Here is the call graph for this function:

void ff_msmpeg4_encode_init ( MpegEncContext * s )

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 625 of file wmv2.c.

References CODEC_FLAG_EMU_EDGE, CODEC_FLAG_GRAY, MpegEncContext::dsp, MpegEncContext::edge_emu_buffer, ff_emulated_edge_mc(), MpegEncContext::flags, FMT_H263, MpegEncContext::h_edge_pos, MpegEncContext::height, Wmv2Context::hshift, MpegEncContext::linesize, MpegEncContext::mb_x, MpegEncContext::mb_y, offset, MpegEncContext::out_format, DSPContext::put_mspel_pixels_tab, MpegEncContext::uvlinesize, MpegEncContext::v_edge_pos, and MpegEncContext::width.

Referenced by MPV_motion().

Here is the call graph for this function:

void ff_parse_close ( AVCodecParserContext * s )

Definition at line 468 of file parser.c.

References av_free(), ParseContext::buffer, and AVCodecParserContext::priv_data.

Here is the call graph for this function:

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

void ff_print_debug_info	(	MpegEncContext *	s,
		AVFrame *	pict
	)

prints debuging info for the given picture.

Definition at line 1712 of file mpegvideo.c.

References av_log(), AV_LOG_DEBUG, avcodec_get_chroma_sub_sample(), MpegEncContext::avctx, c, MpegEncContext::codec_id, CODEC_ID_H264, COLOR, AVCodecContext::debug, AVCodecContext::debug_mv, draw_arrow(), FF_B_TYPE, FF_BUFFER_TYPE_COPY, FF_DEBUG_MB_TYPE, FF_DEBUG_QP, FF_DEBUG_SKIP, FF_DEBUG_VIS_MB_TYPE, FF_DEBUG_VIS_MV_B_BACK, FF_DEBUG_VIS_MV_B_FOR, FF_DEBUG_VIS_MV_P_FOR, FF_DEBUG_VIS_QP, FF_I_TYPE, FF_P_TYPE, FF_S_TYPE, FF_SI_TYPE, FF_SP_TYPE, AVCodecContext::height, height, IS_16X16, IS_16X8, IS_8X16, IS_8X8, IS_ACPRED, IS_DIRECT, IS_GMC, IS_INTERLACED, IS_INTRA, IS_INTRA16x16, IS_INTRA4x4, IS_PCM, IS_SKIP, MpegEncContext::linesize, MpegEncContext::low_delay, MpegEncContext::mb_height, MpegEncContext::mb_stride, MpegEncContext::mb_width, MpegEncContext::mbskip_table, memcpy, mv, AVCodecContext::pix_fmt, MpegEncContext::quarter_sample, USES_LIST, MpegEncContext::visualization_buffer, AVCodecContext::width, and width.

Referenced by decode_frame(), ff_h263_decode_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc9_decode_frame().

Here is the call graph for this function:

int ff_rate_control_init ( MpegEncContext * s )

Definition at line 47 of file ratecontrol.c.

Referenced by encode_init().

Here is the call graph for this function:

void ff_rate_control_uninit ( MpegEncContext * s )

Definition at line 178 of file ratecontrol.c.

References av_freep(), emms_c, RateControlContext::entry, and MpegEncContext::rc_context.

Here is the call graph for this function:

float ff_rate_estimate_qscale ( MpegEncContext * s )

Definition at line 612 of file ratecontrol.c.

Referenced by encode_frame().

Here is the call graph for this function:

void ff_set_mpeg4_time	(	MpegEncContext *	s,
		int	picture_number
	)

void ff_set_qscale	(	MpegEncContext *	s,
		int	qscale
	)

set qscale and update qscale dependant variables.

Definition at line 2467 of file h263.c.

References MpegEncContext::c_dc_scale, MpegEncContext::c_dc_scale_table, MpegEncContext::chroma_qscale, MpegEncContext::chroma_qscale_table, MpegEncContext::qscale, MpegEncContext::y_dc_scale, and MpegEncContext::y_dc_scale_table.

Referenced by decode_slice(), ff_h261_encode_mb(), ff_mpeg4_decode_mb(), h261_decode_gob(), h261_decode_mb(), h263_decode_dquant(), 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 778 of file mpegvideo.h.

References MpegEncContext::avctx, MpegEncContext::block_index, MpegEncContext::dest, and AVCodecContext::lowres.

Referenced by decode_slice(), ff_h261_reorder_mb_index(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), and rv10_decode_packet().

void ff_update_duplicate_context	(	MpegEncContext *	dst,
		MpegEncContext *	src
	)

Definition at line 520 of file mpegvideo.c.

References backup_duplicate_context(), MpegEncContext::block, memcpy, and MpegEncContext::pblocks.

Referenced by mpeg_decode_frame().

Here is the call graph for this function:

int ff_vbv_update	(	MpegEncContext *	s,
		int	frame_size
	)

Definition at line 200 of file ratecontrol.c.

References av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, av_q2d(), MpegEncContext::avctx, RateControlContext::buffer_index, CODEC_ID_MPEG4, AVCodecContext::debug, FF_DEBUG_RC, AVCodecContext::rc_buffer_size, MpegEncContext::rc_context, AVCodecContext::rc_max_rate, AVCodecContext::rc_min_rate, and AVCodecContext::time_base.

Referenced by init_pass2().

Here is the call graph for this function:

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 611 of file wmv2.c.

References CODEC_FLAG_GRAY, MpegEncContext::flags, MpegEncContext::linesize, MpegEncContext::uvlinesize, and wmv2_add_block().

Referenced by MPV_decode_mb_internal().

Here is the call graph for this function:

int ff_wmv2_decode_picture_header ( MpegEncContext * s )

Definition at line 351 of file wmv2.c.

References av_log(), AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::chroma_qscale, decode_ext_header(), MpegEncContext::gb, get_bits(), get_bits1(), I_TYPE, MpegEncContext::pict_type, MpegEncContext::picture_number, and MpegEncContext::qscale.

Referenced by ff_h263_decode_frame().

Here is the call graph for this function:

int ff_wmv2_decode_secondary_picture_header ( MpegEncContext * s )

Definition at line 381 of file wmv2.c.

References Wmv2Context::abt_flag, Wmv2Context::abt_type, av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, MpegEncContext::avctx, Wmv2Context::cbp_table_index, MpegEncContext::dc_table_index, AVCodecContext::debug, decode012(), MpegEncContext::esc3_level_length, MpegEncContext::esc3_run_length, FF_DEBUG_PICT_INFO, MpegEncContext::gb, get_bits1(), I_TYPE, MpegEncContext::inter_intra_pred, Wmv2Context::j_type, Wmv2Context::j_type_bit, MpegEncContext::mspel, Wmv2Context::mspel_bit, MpegEncContext::mv_table_index, MpegEncContext::no_rounding, parse_mb_skip(), Wmv2Context::per_mb_abt, Wmv2Context::per_mb_rl_bit, MpegEncContext::per_mb_rl_table, MpegEncContext::pict_type, MpegEncContext::picture_number, MpegEncContext::qscale, MpegEncContext::rl_chroma_table_index, and MpegEncContext::rl_table_index.

Referenced by ff_h263_decode_frame().

Here is the call graph for this function:

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

int ff_wmv2_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

void ff_write_pass1_stats ( MpegEncContext * s )

Definition at line 40 of file ratecontrol.c.

References MpegEncContext::avctx, MpegEncContext::b_code, MpegEncContext::current_picture, MpegEncContext::current_picture_ptr, MpegEncContext::f_code, MpegEncContext::i_count, MpegEncContext::i_tex_bits, Picture::mb_var_sum, Picture::mc_mb_var_sum, MpegEncContext::misc_bits, MpegEncContext::mv_bits, MpegEncContext::p_tex_bits, MpegEncContext::pict_type, and AVCodecContext::stats_out.

Referenced by encode_frame().

void ff_write_quant_matrix	(	PutBitContext *	pb,
		int16_t *	matrix
	)

int flv_h263_decode_picture_header ( MpegEncContext * s )

Definition at line 6141 of file h263.c.

References av_get_pict_type_char(), av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, avcodec_check_dimensions(), MpegEncContext::avctx, MpegEncContext::c_dc_scale_table, MpegEncContext::chroma_qscale, AVCodecContext::debug, MpegEncContext::dropable, MpegEncContext::f_code, FF_DEBUG_PICT_INFO, ff_mpeg1_dc_scale_table, MpegEncContext::gb, get_bits(), get_bits1(), get_bits_long(), MpegEncContext::h263_flv, MpegEncContext::h263_long_vectors, MpegEncContext::h263_plus, MpegEncContext::height, height, I_TYPE, P_TYPE, MpegEncContext::pict_type, MpegEncContext::picture_number, MpegEncContext::qscale, skip_bits(), skip_bits1(), MpegEncContext::unrestricted_mv, MpegEncContext::width, width, and MpegEncContext::y_dc_scale_table.

Referenced by ff_h263_decode_frame().

Here is the call graph for this function:

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

Definition at line 792 of file mpegvideo.h.

References bits, MpegEncContext::last_bits, MpegEncContext::pb, and put_bits_count().

Here is the call graph for this function:

static int get_rl_index	(	const RLTable *	rl,
		int	last,
		int	run,
		int	level
	)			`[inline, static]`

Definition at line 850 of file mpegvideo.h.

References RLTable::index_run, RLTable::max_level, and RLTable::n.

Referenced by h261_encode_block(), and msmpeg4_encode_block().

void h263_decode_init_vlc ( MpegEncContext * s )

Definition at line 2921 of file h263.c.

References cbpc_b_tab, CBPC_B_VLC_BITS, cbpy_tab, CBPY_VLC_BITS, DC_VLC_BITS, DCtab_chrom, DCtab_lum, h263_mbtype_b_tab, H263_MBTYPE_B_VLC_BITS, init_rl(), init_vlc(), init_vlc_rl(), inter_MCBPC_bits, inter_MCBPC_code, INTER_MCBPC_VLC_BITS, intra_MCBPC_bits, intra_MCBPC_code, INTRA_MCBPC_VLC_BITS, mb_type_b_tab, MB_TYPE_B_VLC_BITS, MV_VLC_BITS, mvtab, rl_inter, rl_intra, rl_intra_aic, rvlc_rl_inter, rvlc_rl_intra, SPRITE_TRAJ_VLC_BITS, and sprite_trajectory_tab.

Referenced by ff_h263_decode_init(), and rv10_decode_init().

Here is the call graph for this function:

int h263_decode_picture_header ( MpegEncContext * s )

Definition at line 4982 of file h263.c.

References align_get_bits(), MpegEncContext::alt_inter_vlc, MpegEncContext::aspect_ratio_info, av_get_pict_type_char(), av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, MpegEncContext::avctx, B_TYPE, MpegEncContext::c_dc_scale_table, MpegEncContext::chroma_qscale, MpegEncContext::chroma_qscale_table, AVCodecContext::codec_tag, MpegEncContext::custom_pcf, AVCodecContext::debug, AVRational::den, MpegEncContext::f_code, ff_aic_dc_scale_table, FF_ASPECT_EXTENDED, FF_DEBUG_PICT_INFO, ff_gcd(), ff_h263_chroma_qscale_table, ff_h263_decode_mba(), ff_mpeg1_dc_scale_table, MpegEncContext::gb, get_bits(), get_bits1(), get_bits_count(), get_sbits(), MpegEncContext::h263_aic, h263_format, MpegEncContext::h263_long_vectors, MpegEncContext::h263_plus, MpegEncContext::h263_slice_structured, MpegEncContext::height, height, I_TYPE, MpegEncContext::loop_filter, MpegEncContext::mb_height, MpegEncContext::mb_num, MpegEncContext::mb_width, MpegEncContext::modified_quant, MpegEncContext::no_rounding, AVRational::num, MpegEncContext::obmc, P_TYPE, MpegEncContext::pict_type, MpegEncContext::picture_number, pixel_aspect, MpegEncContext::qscale, AVCodecContext::sample_aspect_ratio, GetBitContext::size_in_bits, skip_bits(), skip_bits1(), AVCodecContext::time_base, MpegEncContext::umvplus, MpegEncContext::unrestricted_mv, MpegEncContext::width, width, and MpegEncContext::y_dc_scale_table.

Referenced by ff_h263_decode_frame().

Here is the call graph for this function:

void h263_encode_gob_header	(	MpegEncContext *	s,
		int	mb_line
	)

void h263_encode_init ( MpegEncContext * s )

Referenced by encode_init().

void h263_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

void h263_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

int h263_get_picture_format	(	int	width,
		int	height
	)

Definition at line 119 of file h263.c.

int16_t* h263_pred_motion	(	MpegEncContext *	s,
		int	block,
		int	dir,
		int *	px,
		int *	py
	)

Definition at line 1612 of file h263.c.

References B, MpegEncContext::b8_stride, MpegEncContext::block_index, C, MpegEncContext::current_picture, MpegEncContext::first_slice_line, MpegEncContext::h263_pred, MpegEncContext::mb_x, and MpegEncContext::resync_mb_x.

Referenced by ff_h263_decode_mb(), ff_mpeg4_decode_mb(), mpeg4_decode_partition_a(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), and preview_obmc().

void init_rl (


Data Structures
struct	Predictor
struct	RateControlEntry
struct	RateControlContext
struct	ScanTable
struct	Picture
struct	ParseContext
struct	MotionEstContext
struct	MpegEncContext
struct	RLTable
Defines
#define	FRAME_SKIPPED 100
	return value for header parsers if frame is not coded
#define	EDGE_WIDTH 16
#define	MPEG_BUF_SIZE (16 * 1024)
#define	QMAT_SHIFT_MMX 16
#define	QMAT_SHIFT 22
#define	MAX_FCODE 7
#define	MAX_MV 2048
#define	MAX_THREADS 8
#define	MAX_PICTURE_COUNT 32
#define	ME_MAP_SIZE 64
#define	ME_MAP_SHIFT 3
#define	ME_MAP_MV_BITS 11
#define	MAX_RUN 64
#define	MAX_LEVEL 64
#define	I_TYPE FF_I_TYPE
	Intra.
#define	P_TYPE FF_P_TYPE
	Predicted.
#define	B_TYPE FF_B_TYPE
	Bi-dir predicted.
#define	S_TYPE FF_S_TYPE
	S(GMC)-VOP MPEG4.
#define	SI_TYPE FF_SI_TYPE
	Switching Intra.
#define	SP_TYPE FF_SP_TYPE
	Switching Predicted.
#define	MAX_MB_BYTES (301616*3/8 + 120)
#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 doesnt work if subMBs
#define	HAS_CBP(a) ((a)&MB_TYPE_CBP)
#define	PREV_PICT_TYPES_BUFFER_SIZE 256
#define	MV_DIR_BACKWARD 1
#define	MV_DIR_FORWARD 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	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	AC_ERROR 2
#define	DC_ERROR 4
#define	MV_ERROR 8
#define	AC_END 16
#define	DC_END 32
#define	MV_END 64
#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	END_NOT_FOUND -100
Enumerations
enum	OutputFormat { FMT_MPEG1, FMT_H261, FMT_H263, FMT_MJPEG, FMT_H264 }
Functions
int	DCT_common_init (MpegEncContext *s)
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	ff_copy_bits (PutBitContext pb, uint8_t src, int length)
void	ff_clean_intra_table_entries (MpegEncContext *s)
void	ff_init_scantable (uint8_t , ScanTable st, const uint8_t *src_scantable)
void	ff_draw_horiz_band (MpegEncContext *s, int y, int h)
void	ff_emulated_edge_mc (uint8_t buf, uint8_t src, int linesize, int block_w, int block_h, int src_x, int src_y, int w, int h)
int	ff_combine_frame (ParseContext pc, int next, uint8_t buf, int buf_size)
void	ff_parse_close (AVCodecParserContext *s)
void	ff_mpeg_flush (AVCodecContext *avctx)
void	ff_print_debug_info (MpegEncContext s, AVFrame pict)
void	ff_write_quant_matrix (PutBitContext pb, int16_t matrix)
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)
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)
void	ff_init_block_index (MpegEncContext *s)
static void	ff_update_block_index (MpegEncContext *s)
static int	get_bits_diff (MpegEncContext *s)
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)
void	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	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_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)
void	init_rl (RLTable *rl, int use_static)
void	init_vlc_rl (RLTable *rl, int use_static)
static int	get_rl_index (const RLTable *rl, int last, int run, int level)
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_h263_decode_init (AVCodecContext *avctx)
int	ff_h263_decode_frame (AVCodecContext avctx, void data, int data_size, 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, int picture_number)
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)
int	ff_h263_get_gob_height (MpegEncContext *s)
int	ff_mpeg4_set_direct_mv (MpegEncContext *s, int mx, int my)
int	ff_h263_round_chroma (int x)
void	ff_h263_encode_motion (MpegEncContext *s, int val, int f_code)
int	ff_mpeg4_find_frame_end (ParseContext pc, const uint8_t buf, int buf_size)
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	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)
int	ff_msmpeg4_decode_init (MpegEncContext *s)
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)
int	mjpeg_init (MpegEncContext *s)
void	mjpeg_close (MpegEncContext *s)
void	mjpeg_encode_mb (MpegEncContext *s, DCTELEM block[6][64])
void	mjpeg_picture_header (MpegEncContext *s)
void	mjpeg_picture_trailer (MpegEncContext *s)
void	ff_mjpeg_stuffing (PutBitContext *pbc)
int	ff_rate_control_init (MpegEncContext *s)
float	ff_rate_estimate_qscale (MpegEncContext *s)
void	ff_write_pass1_stats (MpegEncContext *s)
void	ff_rate_control_uninit (MpegEncContext *s)
double	ff_eval (char s, double const_value, const char const_name, double(func1)(void , double), const char func1_name, double(func2)(void , double, double), char *func2_name, void opaque)
int	ff_vbv_update (MpegEncContext *s, int frame_size)
Variables
void(*	draw_edges )(uint8_t *buf, int wrap, int width, int height, int w)
enum PixelFormat	ff_yuv420p_list [2]
const int16_t	ff_mpeg1_default_intra_matrix [64]
const int16_t	ff_mpeg1_default_non_intra_matrix [64]
const uint8_t	ff_mpeg1_dc_scale_table [128]
const uint8_t	ff_mpeg4_y_dc_scale_table [32]
const uint8_t	ff_mpeg4_c_dc_scale_table [32]
const uint8_t	ff_aic_dc_scale_table [32]
const int16_t	ff_mpeg4_default_intra_matrix [64]
const int16_t	ff_mpeg4_default_non_intra_matrix [64]
const uint8_t	ff_h263_chroma_qscale_table [32]
const uint8_t	ff_h263_loop_filter_strength [32]