media/v4l/ext-ctrls-codec.rst

161       - MPEG-2/4 AAC (Advanced Audio Coding)
1045       - Advanced Coding Efficiency profile
1143     Entropy coding mode for H264 - CABAC/CAVALC. Applicable to the H264
1155       - Use CAVLC entropy coding.
1157       - Use CABAC entropy coding.
1583     Enables H264 hierarchical coding. Applicable to the H264 encoder.
1585 .. _v4l2-mpeg-video-h264-hierarchical-coding-type:
1591     Specifies the hierarchical coding type. Applicable to the H264
1601       - Hierarchical B coding.
1603       - Hierarchical P coding.
1608     Specifies the number of hierarchical coding layers. Applicable to
1628     Indicates bit rate (bps) for hierarchical coding layer 0 for H264 encoder.
1631     Indicates bit rate (bps) for hierarchical coding layer 1 for H264 encoder.
1634     Indicates bit rate (bps) for hierarchical coding layer 2 for H264 encoder.
1637     Indicates bit rate (bps) for hierarchical coding layer 3 for H264 encoder.
1640     Indicates bit rate (bps) for hierarchical coding layer 4 for H264 encoder.
1643     Indicates bit rate (bps) for hierarchical coding layer 5 for H264 encoder.
1646     Indicates bit rate (bps) for hierarchical coding layer 6 for H264 encoder.
2271 High Efficiency Video Coding (HEVC/H.265) Control Reference
2348 .. _v4l2-hevc-hier-coding-type:
2354     Selects the hierarchical coding type for encoding. Possible values are:
2367       - Use the B frame for hierarchical coding.
2369       - Use the P frame for hierarchical coding.
2377     Selects the hierarchical coding layer. In normal encoding
2378     (non-hierarchial coding), it should be zero. Possible values are [0, 6].
2379     0 indicates HIERARCHICAL CODING LAYER 0, 1 indicates HIERARCHICAL CODING
2383     Indicates quantization parameter for hierarchical coding layer 0.
2388     Indicates quantization parameter for hierarchical coding layer 1.
2393     Indicates quantization parameter for hierarchical coding layer 2.
2398     Indicates quantization parameter for hierarchical coding layer 3.
2403     Indicates quantization parameter for hierarchical coding layer 4.
2408     Indicates quantization parameter for hierarchical coding layer 5.
2413     Indicates quantization parameter for hierarchical coding layer 6.
2495     Selects HEVC maximum coding unit depth.
2554       - Use the B frame for hierarchical coding.
2576     constrained intra prediction in which intra largest coding unit (LCU)
2647     Indicates bit rate for hierarchical coding layer 0 for HEVC encoder.
2650     Indicates bit rate for hierarchical coding layer 1 for HEVC encoder.
2653     Indicates bit rate for hierarchical coding layer 2 for HEVC encoder.
2656     Indicates bit rate for hierarchical coding layer 3 for HEVC encoder.
2659     Indicates bit rate for hierarchical coding layer 4 for HEVC encoder.
2662     Indicates bit rate for hierarchical coding layer 5 for HEVC encoder.
2665     Indicates bit rate for hierarchical coding layer 6 for HEVC encoder.