FFmpeg: Mpeg4DecContext Struct Reference

#include <mpeg4video.h>

Data Fields
MpegEncContext	m

int	time_increment_bits
	number of bits to represent the fractional part of time

int	shape

int	vol_sprite_usage

int	sprite_brightness_change

int	num_sprite_warping_points

uint16_t	sprite_traj [4][2]
	sprite trajectory points

int	sprite_shift [2]
	sprite shift [isChroma]

int	rvlc

int	resync_marker
	could this stream contain resync markers

int	t_frame
	time distance of first I -> B, used for interlaced b frames

int	new_pred

int	enhancement_type

int	scalability

int	use_intra_dc_vlc

int	intra_dc_threshold
	QP above whch the ac VLC should be used for intra dc.

int	divx_version

int	divx_build

int	xvid_build

int	lavc_build

int	showed_packed_warning
	flag for having shown the warning about divxs invalid b frames

int	cplx_estimation_trash_i

int	cplx_estimation_trash_p

int	cplx_estimation_trash_b

Detailed Description

Definition at line 62 of file mpeg4video.h.

Field Documentation

int Mpeg4DecContext::time_increment_bits

number of bits to represent the fractional part of time

Definition at line 66 of file mpeg4video.h.

Referenced by decode_init(), decode_new_pred(), decode_vol_header(), decode_vop_header(), and ff_mpeg4_decode_video_packet_header().

int Mpeg4DecContext::shape

Definition at line 67 of file mpeg4video.h.

Referenced by decode_vol_header(), decode_vop_header(), and ff_mpeg4_decode_video_packet_header().

int Mpeg4DecContext::vol_sprite_usage

Definition at line 68 of file mpeg4video.h.

Referenced by decode_vol_header(), decode_vop_header(), ff_mpeg4_decode_video_packet_header(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg4_decode_partitioned_mb(), and vaapi_mpeg4_start_frame().

int Mpeg4DecContext::sprite_brightness_change

Definition at line 69 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

int Mpeg4DecContext::num_sprite_warping_points

Definition at line 70 of file mpeg4video.h.

Referenced by decode_vol_header(), decode_vop_header(), mpeg4_decode_sprite_trajectory(), and vaapi_mpeg4_start_frame().

uint16_t Mpeg4DecContext::sprite_traj[4][2]

sprite trajectory points

Definition at line 72 of file mpeg4video.h.

Referenced by mpeg4_decode_sprite_trajectory(), and vaapi_mpeg4_start_frame().

int Mpeg4DecContext::sprite_shift[2]

sprite shift [isChroma]

Definition at line 74 of file mpeg4video.h.

Referenced by get_amv(), and mpeg4_decode_sprite_trajectory().

int Mpeg4DecContext::rvlc

Definition at line 77 of file mpeg4video.h.

Referenced by decode_vol_header(), mpeg4_decode_partitioned_mb(), and vaapi_mpeg4_start_frame().

int Mpeg4DecContext::resync_marker

could this stream contain resync markers

Definition at line 79 of file mpeg4video.h.

Referenced by decode_vol_header(), decode_vop_header(), mpeg4_is_resync(), vaapi_mpeg4_start_frame(), and vdpau_mpeg4_start_frame().

int Mpeg4DecContext::t_frame

time distance of first I -> B, used for interlaced b frames

Definition at line 81 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

int Mpeg4DecContext::new_pred

Definition at line 83 of file mpeg4video.h.

Referenced by decode_vol_header(), decode_vop_header(), and ff_mpeg4_decode_video_packet_header().

int Mpeg4DecContext::enhancement_type

Definition at line 84 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

int Mpeg4DecContext::scalability

Definition at line 85 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

int Mpeg4DecContext::use_intra_dc_vlc

Definition at line 86 of file mpeg4video.h.

Referenced by mpeg4_decode_block(), mpeg4_decode_mb(), and mpeg4_decode_partitioned_mb().

int Mpeg4DecContext::intra_dc_threshold

QP above whch the ac VLC should be used for intra dc.

Definition at line 89 of file mpeg4video.h.

Referenced by decode_vop_header(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), and mpeg4_get_intra_dc_vlc_thr().

int Mpeg4DecContext::divx_version

Definition at line 92 of file mpeg4video.h.

Referenced by decode_init(), decode_user_data(), decode_vop_header(), ff_mpeg4_decode_picture_header(), ff_mpeg4_workaround_bugs(), get_amv(), and mpeg4_decode_sprite_trajectory().

int Mpeg4DecContext::divx_build

Definition at line 93 of file mpeg4video.h.

Referenced by decode_init(), decode_user_data(), ff_mpeg4_workaround_bugs(), get_amv(), and mpeg4_decode_sprite_trajectory().

int Mpeg4DecContext::xvid_build

Definition at line 94 of file mpeg4video.h.

Referenced by decode_init(), decode_user_data(), ff_mpeg4_decode_picture_header(), and ff_mpeg4_workaround_bugs().

int Mpeg4DecContext::lavc_build

Definition at line 95 of file mpeg4video.h.

Referenced by decode_init(), decode_user_data(), and ff_mpeg4_workaround_bugs().

int Mpeg4DecContext::showed_packed_warning

flag for having shown the warning about divxs invalid b frames

Definition at line 98 of file mpeg4video.h.

Referenced by decode_user_data(), and mpeg4video_parse_init().

int Mpeg4DecContext::cplx_estimation_trash_i

Definition at line 100 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

int Mpeg4DecContext::cplx_estimation_trash_p

Definition at line 101 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

int Mpeg4DecContext::cplx_estimation_trash_b

Definition at line 102 of file mpeg4video.h.

Referenced by decode_vol_header(), and decode_vop_header().

The documentation for this struct was generated from the following file:

libavcodec/mpeg4video.h