h264.md

AVC Decoding

Feature	Commit ID	FFmpeg Version
-c:v h264_qsv	4e08c82	n2.6
-async_depth <int>	4e08c82	n2.6
-extra_hw_frames <int>	5b14529	n4.0
-gpu_copy 0|1|2	5345965	n4.3

AVC Encoding

Initialization options

Feature	Commit ID	FFmpeg Version
-c:v h264_qsv	72b7441	n2.7
ICQ rate control mode	518b963	n4.2
QVBR rate control mode	74cf2dc	n4.2
-a53cc 0|1	93e0410	n3.0
-adaptive_b 0|1	fc4c27c	n3.0
-adaptive_i 0|1	fc4c27c	n3.0
-async_depth <int>	72b7441	n2.7
-aud 0|1	deefca0	n4.0
-avbr_accuracy <int>	72b7441	n2.7
-avbr_convergence <int>	72b7441	n2.7
-b:v <int>	72b7441	n2.7
-b_strategy <int>	fc4c27c	n3.0
-b_qfactor <float>	72b7441	n2.7
-b_qoffset <float>	72b7441	n2.7
-bf <int>	72b7441	n2.7
-bitrate_limit <int>	fc4c27c	n3.0
-bufsize <int>	6ff2934	n4.0
-cavlc 0|1	9cac1b4	n3.0
-dblk_idc 0|1|2	812b6ee	n5.1
-extbrc -1|0|1	fc4c27c	n3.0
-forced_idr 0|1	ac0bcd6	n4.2
-g <int>	72b7441	n2.7
-global_quality <int>	e7d7cf8	n3.0
-i_qfactor <float>	72b7441	n2.7
-i_qoffset <float>	72b7441	n2.7
-idr_interval <int>	72b7441	n2.7
-int_ref_cycle_dist <int>	e102fd9	n5.1
-int_ref_cycle_size <int>	fc4c27c	n3.0
-int_ref_qp_delta <int>	fc4c27c	n3.0
-int_ref_type horizontal	e102fd9	n5.1
-int_ref_type vertical	fc4c27c	n3.0
-int_ref_type slice	f3ba145	n6.0
-look_ahead_depth <int>	67e87f8	n2.8
-look_ahead_downsampling unknown|off|2x|4x	67e87f8	n2.8
-look_ahead <int>	67e87f8	n2.8
-low_delay_brc 0|1	ad21f26	n5.1
-low_power 0|1	e92ce34	n4.2
-max_dec_frame_buffering <int>	fc4c27c	n3.0
-max_frame_size <int>	fc4c27c	n3.0
-max_frame_size_i <int>	ad21f26	n5.1
-max_frame_size_p <int>	ad21f26	n5.1
-max_slice_size <int>	fc4c27c	n3.0
-maxrate <int>	f3fbe79	n2.8
-mbbrc -1|0|1	fc4c27c	n3.0
-pic_timing_sei 0|1	6eecb91	n2.8
-preset veryfast	9c35b8e	n3.0
-preset faster	9c35b8e	n3.0
-preset fast	72b7441	n2.7
-preset medium	72b7441	n2.7
-preset slow	72b7441	n2.7
-preset slower	9c35b8e	n3.0
-preset veryslow	9c35b8e	n3.0
-profile baseline	72b7441	n2.7
-profile high	72b7441	n2.7
-profile main	72b7441	n2.7
-p_strategy 0|1|2	9d6cc6a	n5.1
-q <int>	e7d7cf8	n3.0
-qmin <int>	27e30c7	n4.1
-qmin <int>	27e30c7	n4.1
-rc_init_occupancy <int>	72b7441	n2.7
-rdo -1|0|1	fc4c27c	n3.0
-recovery_point_sei 0|1	fc4c27c	n3.0
-refs <int>	72b7441	n2.7
-repeat_pps 0|1	c9f0cff	n4.2
-scenario unknown	1adfd28	n6.0
-scenario displayremoting	1adfd28	n6.0
-scenario videoconference	1adfd28	n6.0
-scenario archive	1adfd28	n6.0
-scenario livestreaming	1adfd28	n6.0
-scenario cameracapture	1adfd28	n6.0
-scenario videosurveillance	1adfd28	n6.0
-scenario gamestreaming	1adfd28	n6.0
-scenario remotegaming	1adfd28	n6.0
-single_sei_nal_unit 0|1	fc4c27c	n3.0
-skip_frame no_skip	dc4d342	n6.0
-skip_frame insert_dummy	dc4d342	n6.0
-skip_frame insert_nothing	dc4d342	n6.0
-skip_frame brc_only	dc4d342	n6.0
-strict <int>	fc4c27c	n3.0

Dynamic options

These options can be applied dynamically at runtime to adjust encoder settings.

Feature	Option Type	Mode	Commit ID	FFmpeg Version
Forced IDR	Frame Type		ac0bcd6	n4.2
AV_FRAME_DATA_REGIONS_OF_INTEREST	Frame Side Data		97141ff	n5.1
"qsv_skip_frame"	Frame Metadata		dc4d342	n6.0
b_quant_factor	Global	CQP	53baf60	n5.1
b_quant_offset	Global	CQP	53baf60	n5.1
b_quant_factor	Global	CQP	53baf60	n5.1
b_quant_offset	Global	CQP	53baf60	n5.1
bit_rate	Global		29a3ba8	n6.0
framerate	Global		17df610	n6.0
global_quality	Global	CQP	52ad617	n6.0
gop_size	Global		d60f657	n6.0
int_ref_type	Custom		9155ec0	n6.0
int_ref_cycle_size	Custom		9155ec0	n6.0
int_ref_qp_delta	Custom		9155ec0	n6.0
int_ref_cycle_dist	Custom		9155ec0	n6.0
low_delay_brc	Custom		a2fd553	n6.0
max_frame_size	Custom		c679de9	n6.0
max_qp_i	Custom		005c7a4	n6.0
min_qp_i	Custom		005c7a4	n6.0
max_qp_p	Custom		005c7a4	n6.0
min_qp_p	Custom		005c7a4	n6.0
max_qp_b	Custom		005c7a4	n6.0
min_qp_b	Custom		005c7a4	n6.0
pic_timing_sei	Custom		3771d54	n6.0
qmax	Global		005c7a4	n6.0
qmin	Global		005c7a4	n6.0
rc_buffer_size	Global		29a3ba8	n6.0
rc_initial_buffer_occupancy	Global		29a3ba8	n6.0
rc_max_rate	Global		29a3ba8	n6.0