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().

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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().

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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.

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

Definition at line 1139 of file motion_est.c.

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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().

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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.

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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.

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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.

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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.

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int ff_h263_decode_end ( AVCodecContext * avctx )

Definition at line 116 of file h263dec.c.

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

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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.

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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void ff_parse_close ( AVCodecParserContext * s )

Definition at line 468 of file parser.c.

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

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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().

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int ff_rate_control_init ( MpegEncContext * s )

Definition at line 47 of file ratecontrol.c.

Referenced by encode_init().

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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.

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float ff_rate_estimate_qscale ( MpegEncContext * s )

Definition at line 612 of file ratecontrol.c.

Referenced by encode_frame().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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().

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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	(	RLTable *	rl,
		int	use_static
	)

Definition at line 1333 of file mpegvideo.c.

References av_malloc(), av_mallocz_static(), RLTable::index_run, RLTable::last, level, RLTable::max_level, MAX_LEVEL, RLTable::max_run, MAX_RUN, memcpy, RLTable::n, run, RLTable::table_level, and RLTable::table_run.

Referenced by ff_h261_encode_init(), ff_msmpeg4_decode_init(), h261_decode_init_vlc(), h263_decode_init_vlc(), and init_vlcs().

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void init_vlc_rl	(	RLTable *	rl,
		int	use_static
	)

Definition at line 2865 of file h263.c.

References av_malloc(), av_mallocz_static(), init_vlc(), RLTable::last, RL_VLC_ELEM::len, RL_VLC_ELEM::level, MAX_LEVEL, RLTable::n, RLTable::rl_vlc, RL_VLC_ELEM::run, VLC::table, RLTable::table_level, RLTable::table_run, VLC::table_size, RLTable::table_vlc, and RLTable::vlc.

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int intel_h263_decode_picture_header ( MpegEncContext * s )

Definition at line 6074 of file h263.c.

References av_log(), AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::c_dc_scale_table, MpegEncContext::chroma_qscale, MpegEncContext::f_code, ff_mpeg1_dc_scale_table, MpegEncContext::gb, get_bits(), get_bits1(), get_bits_long(), MpegEncContext::h263_long_vectors, MpegEncContext::h263_plus, I_TYPE, MpegEncContext::obmc, MpegEncContext::pict_type, MpegEncContext::picture_number, MpegEncContext::qscale, skip_bits(), skip_bits1(), MpegEncContext::unrestricted_mv, and MpegEncContext::y_dc_scale_table.

Referenced by ff_h263_decode_frame().

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void mjpeg_close ( MpegEncContext * s )

void mjpeg_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64]
	)

int mjpeg_init ( MpegEncContext * s )

void mjpeg_picture_header ( MpegEncContext * s )

void mjpeg_picture_trailer ( MpegEncContext * s )

void mpeg1_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

void mpeg1_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

void mpeg4_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

void mpeg4_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

void mpeg4_pred_ac	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n,
		int	dir
	)

predicts the ac.

Parameters:

	n	block index (0-3 are luma, 4-5 are chroma)
	dir	the ac prediction direction

Definition at line 2565 of file h263.c.

References MpegEncContext::ac_pred, MpegEncContext::ac_val, MpegEncContext::block_index, MpegEncContext::block_wrap, MpegEncContext::current_picture, MpegEncContext::dsp, DSPContext::idct_permutation, MpegEncContext::mb_stride, MpegEncContext::mb_x, MpegEncContext::mb_y, and MpegEncContext::qscale.

Referenced by mpeg4_decode_block(), msmpeg4_decode_block(), and vc9_decode_block().

void MPV_common_end ( MpegEncContext * s )

Definition at line 801 of file mpegvideo.c.

Referenced by decode_end(), decode_slice_header(), ff_h263_decode_end(), ff_h263_decode_frame(), h261_decode_end(), h261_decode_frame(), mpeg_decode_end(), mpeg_decode_postinit(), MPV_common_init(), rv10_decode_end(), svq1_decode_end(), vc9_decode_end(), and vcr2_init_sequence().

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int MPV_common_init ( MpegEncContext * s )

sets the given MpegEncContext to defaults for encoding. the changed fields will not depend upon the prior state of the MpegEncContext. init common structure for both encoder and decoder. this assumes that some variables like width/height are already set

Definition at line 612 of file mpegvideo.c.

Referenced by decode_slice_header(), ff_h263_decode_frame(), ff_h263_decode_init(), h261_decode_frame(), rv10_decode_init(), svq1_decode_init(), svq3_decode_frame(), vc9_decode_frame(), and vcr2_init_sequence().

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void MPV_decode_defaults ( MpegEncContext * s )

sets the given MpegEncContext to defaults for decoding. the changed fields will not depend upon the prior state of the MpegEncContext.

Definition at line 577 of file mpegvideo.c.

References MPV_common_defaults().

Referenced by decode_init(), ff_h263_decode_init(), h261_decode_init(), mpeg_decode_init(), rv10_decode_init(), and svq1_decode_init().

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

Definition at line 3881 of file mpegvideo.c.

References MpegEncContext::avctx, AVCodecContext::lowres, and MPV_decode_mb_internal().

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

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int MPV_encode_end ( AVCodecContext * avctx )

int MPV_encode_init ( AVCodecContext * avctx )

int MPV_encode_picture	(	AVCodecContext *	avctx,
		unsigned char *	buf,
		int	buf_size,
		void *	data
	)

void MPV_frame_end ( MpegEncContext * s )

Definition at line 1578 of file mpegvideo.c.

References MpegEncContext::avctx, B_TYPE, CODEC_FLAG_EMU_EDGE, AVCodecContext::coded_frame, MpegEncContext::current_picture, MpegEncContext::current_picture_ptr, draw_edges, EDGE_WIDTH, emms_c, MpegEncContext::encoding, MpegEncContext::flags, MpegEncContext::h_edge_pos, MpegEncContext::intra_only, MpegEncContext::last_non_b_pict_type, MpegEncContext::last_pict_type, MpegEncContext::last_picture, MpegEncContext::linesize, MAX_PICTURE_COUNT, MpegEncContext::next_picture, MpegEncContext::pict_type, MpegEncContext::picture, AVCodecContext::release_buffer, MpegEncContext::unrestricted_mv, MpegEncContext::uvlinesize, MpegEncContext::v_edge_pos, and AVCodecContext::xvmc_acceleration.

Referenced by decode_nal_units(), ff_h263_decode_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), svq1_decode_frame(), svq3_decode_frame(), and vc9_decode_frame().

int 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 1453 of file mpegvideo.c.

References alloc_picture(), av_log(), AV_LOG_ERROR, MpegEncContext::avctx, B_TYPE, MpegEncContext::codec_id, CODEC_ID_H264, CODEC_ID_SVQ3, MpegEncContext::coded_picture_number, MpegEncContext::current_picture_ptr, MpegEncContext::dropable, MpegEncContext::encoding, ff_find_unused_picture(), FMT_H264, MpegEncContext::last_picture_ptr, MAX_PICTURE_COUNT, MpegEncContext::mb_skipped, MpegEncContext::next_picture_ptr, NULL, MpegEncContext::out_format, MpegEncContext::pict_type, MpegEncContext::picture, MpegEncContext::progressive_frame, MpegEncContext::progressive_sequence, AVCodecContext::release_buffer, and MpegEncContext::top_field_first.

Referenced by ff_h263_decode_frame(), frame_start(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), svq1_decode_frame(), and vc9_decode_frame().

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int msmpeg4_decode_ext_header	(	MpegEncContext *	s,
		int	buf_size
	)

Definition at line 1378 of file msmpeg4.c.

References av_log(), AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::bit_rate, MpegEncContext::flipflop_rounding, MpegEncContext::gb, get_bits(), get_bits1(), get_bits_count(), and MpegEncContext::msmpeg4_version.

Referenced by ff_h263_decode_frame(), and msmpeg4_decode_picture_header().

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int msmpeg4_decode_picture_header ( MpegEncContext * s )

Definition at line 1209 of file msmpeg4.c.

References av_log(), AV_LOG_DEBUG, AV_LOG_ERROR, MpegEncContext::avctx, MpegEncContext::bit_rate, MpegEncContext::chroma_qscale, MpegEncContext::dc_table_index, AVCodecContext::debug, decode012(), MpegEncContext::esc3_level_length, MpegEncContext::esc3_run_length, FF_DEBUG_PICT_INFO, MpegEncContext::flipflop_rounding, frame_count, MpegEncContext::gb, get_bits(), get_bits1(), MpegEncContext::height, I_TYPE, II_BITRATE, MpegEncContext::inter_intra_pred, MpegEncContext::mb_height, MBAC_BITRATE, msmpeg4_decode_ext_header(), MpegEncContext::msmpeg4_version, MpegEncContext::mv_table_index, MpegEncContext::no_rounding, P_TYPE, MpegEncContext::per_mb_rl_table, MpegEncContext::pict_type, MpegEncContext::qscale, MpegEncContext::rl_chroma_table_index, MpegEncContext::rl_table_index, GetBitContext::size_in_bits, MpegEncContext::slice_height, MpegEncContext::use_skip_mb_code, and MpegEncContext::width.

Referenced by ff_h263_decode_frame().

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void msmpeg4_encode_ext_header ( MpegEncContext * s )

void msmpeg4_encode_mb	(	MpegEncContext *	s,
		DCTELEM	block[6][64],
		int	motion_x,
		int	motion_y
	)

void msmpeg4_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

void rv10_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

void rv20_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

int rv_decode_dc	(	MpegEncContext *	s,
		int	n
	)

Definition at line 180 of file rv10.c.

References av_log(), AV_LOG_ERROR, MpegEncContext::avctx, DC_VLC_BITS, MpegEncContext::gb, get_bits(), get_vlc2(), and VLC::table.

Referenced by h263_decode_block().

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Variable Documentation

void(* draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)

Referenced by frame_start(), MPV_common_init_mmx(), and MPV_frame_end().

const uint8_t ff_aic_dc_scale_table[32]

Definition at line 254 of file h263data.h.

Referenced by h263_decode_picture_header(), and rv10_decode_packet().

const uint8_t ff_h263_chroma_qscale_table[32]

Definition at line 268 of file h263data.h.

Referenced by h263_decode_picture_header(), and rv10_decode_packet().

const uint8_t ff_h263_loop_filter_strength[32]

Definition at line 281 of file h263data.h.

Referenced by h263_h_loop_filter_c(), h263_h_loop_filter_mmx(), h263_v_loop_filter_c(), and h263_v_loop_filter_mmx().

const uint8_t ff_mpeg1_dc_scale_table[128]

Definition at line 362 of file mpeg12data.h.

Referenced by common_init(), ff_h261_encode_init(), flv_h263_decode_picture_header(), h263_decode_picture_header(), intel_h263_decode_picture_header(), MPV_common_defaults(), and rv10_decode_packet().

const int16_t ff_mpeg1_default_intra_matrix[64]

Definition at line 6 of file mpeg12data.h.

Referenced by decode_init(), encode_init(), mdec_decode_block_intra(), mpeg1_decode_sequence(), and vcr2_init_sequence().

const int16_t ff_mpeg1_default_non_intra_matrix[64]

Definition at line 17 of file mpeg12data.h.

Referenced by mpeg1_decode_sequence(), and vcr2_init_sequence().

const uint8_t ff_mpeg4_c_dc_scale_table[32]

Definition at line 390 of file mpeg4data.h.

Referenced by common_init(), and decode_vop_header().

const int16_t ff_mpeg4_default_intra_matrix[64]

Definition at line 364 of file mpeg4data.h.

Referenced by decode_vol_header().

const int16_t ff_mpeg4_default_non_intra_matrix[64]

Definition at line 375 of file mpeg4data.h.

Referenced by decode_vol_header().

const uint8_t ff_mpeg4_y_dc_scale_table[32]

Definition at line 386 of file mpeg4data.h.

Referenced by common_init(), and decode_vop_header().

enum PixelFormat ff_yuv420p_list[2]


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]