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VA-API
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VA-API
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Sequence parameter for H.264 encoding in baseline, main & high profiles. More...
#include <va_enc_h264.h>
Public Attributes | |
| unsigned char | seq_parameter_set_id |
| Same as the H.264 bitstream syntax element. | |
| unsigned char | level_idc |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | intra_period |
| Period between I frames. | |
| unsigned int | intra_idr_period |
| Period between IDR frames. | |
| unsigned int | ip_period |
| Period between I/P frames. | |
| unsigned int | bits_per_second |
| Initial bitrate set for this sequence in CBR or VBR modes. More... | |
| unsigned int | max_num_ref_frames |
| Same as the H.264 bitstream syntax element. | |
| unsigned short | picture_width_in_mbs |
| Picture width in macroblocks. | |
| unsigned short | picture_height_in_mbs |
| Picture height in macroblocks. | |
| unsigned char | bit_depth_luma_minus8 |
| Same as the H.264 bitstream syntax element. | |
| unsigned char | bit_depth_chroma_minus8 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | chroma_format_idc: 2 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | frame_mbs_only_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | mb_adaptive_frame_field_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | seq_scaling_matrix_present_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | direct_8x8_inference_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | log2_max_frame_num_minus4: 4 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | pic_order_cnt_type: 2 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | log2_max_pic_order_cnt_lsb_minus4: 4 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | delta_pic_order_always_zero_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | aspect_ratio_info_present_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | timing_info_present_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | bitstream_restriction_flag: 1 |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | log2_max_mv_length_horizontal: 5 |
| Range: 0 to 16, inclusive. | |
| unsigned int | log2_max_mv_length_vertical: 5 |
| Range: 0 to 16, inclusive. | |
| unsigned char | num_ref_frames_in_pic_order_cnt_cycle |
| Same as the H.264 bitstream syntax element. More... | |
| int | offset_for_non_ref_pic |
| Same as the H.264 bitstream syntax element. | |
| int | offset_for_top_to_bottom_field |
| Same as the H.264 bitstream syntax element. | |
| int | offset_for_ref_frame [256] |
| Same as the H.264 bitstream syntax element. | |
Cropping (optional) | |
| unsigned char | frame_cropping_flag |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | frame_crop_left_offset |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | frame_crop_right_offset |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | frame_crop_top_offset |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | frame_crop_bottom_offset |
| Same as the H.264 bitstream syntax element. | |
VUI parameters (optional) | |
| unsigned char | vui_parameters_present_flag |
| Same as the H.264 bitstream syntax element. | |
| union { | |
| } | vui_fields |
| unsigned char | aspect_ratio_idc |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | sar_width |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | sar_height |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | num_units_in_tick |
| Same as the H.264 bitstream syntax element. | |
| unsigned int | time_scale |
| Same as the H.264 bitstream syntax element. | |
Sequence parameter for H.264 encoding in baseline, main & high profiles.
This structure holds information for seq_parameter_set_data() as defined by the H.264 specification.
If packed sequence headers mode is used, i.e. if the encoding pipeline was configured with the VA_ENC_PACKED_HEADER_SEQUENCE flag, then the driver expects two more buffers to be provided to the same vaRenderPicture() as this buffer:
If seq_scaling_matrix_present_flag is set to 1, then a VAIQMatrixBufferH264 buffer shall also be provided within the same vaRenderPicture() call as this sequence parameter buffer.
| unsigned int VAEncSequenceParameterBufferH264::bits_per_second |
Initial bitrate set for this sequence in CBR or VBR modes.
This field represents the initial bitrate value for this sequence if CBR or VBR mode is used, i.e. if the encoder pipeline was created with a #VAConfigAttribRateControl attribute set to either VA_RC_CBR or VA_RC_VBR.
The bitrate can be modified later on through VAEncMiscParameterRateControl buffers.
| unsigned char VAEncSequenceParameterBufferH264::num_ref_frames_in_pic_order_cnt_cycle |
Same as the H.264 bitstream syntax element.
if pic_order_cnt_type == 1
1.8.8
