Lines Matching refs:be

61 MPP layer can adapt to various middleware by MPI, such as OpenMax and gstreamer, or directly be cal…
108 MppPacket is a one-dimensional buffer encapsulation, which can be generated from MppMem and MapBuff…
110 MppFrame is a two-dimensional frame data encapsulation, which can be generated from MppMem and MapB…
112 Using MppPacket and MapFrame the general video encoding and decoding can be accomplished simply and…
133 In decoding process the decoded picture buffer usually needs to be recycled in a fixed buffer pool.…
142 …t easy to implement zero-copy display (the output frame of decoder may not be displayed directly o…
181 MppPacket, as a structure describing one-dimensional memory, needs to be initialized using allocate…
183 If the external malloc address is configured to MppPacket,the memory will not be released. As shown…
187 If the MppPacket is generated by copy_init, the memory allocated during the copying process will be
218 …s not satisfy the requirement the frame image will be marked as needing to be discarded and not to…
220 …t. <br>Once info_change is generated the memory pool used by the decoder needs to be reallocated. |
225 …error information and other related information) of the bitstream needs to be brought to the calle…
227 …t stream is changed the info_change flag in MppFrame will be set and info_change event will be not…
231 …er to fulfill more complex input and output requirements. MppTask needs to be used in conjunction …
236be extended by keyword value (MppMetaKey) and support complex high-level requirements by extending…
261 … non-zero is an error, and the stream has not been processed, so the stream needs to be resented. |
266 … value is milliseconds of timeout. <br>return value :0 is normal, data can be retrieved, non-zero …
289 | Input parameter | ctx :MPP Decoder instance packet :Bit stream data to be input |
305 In this way the MppPacket with broken frame data that input by decode_put_packet will be segmented …
307 If these two situations are mixed up there will be some bitstream decoding error generated.
309 …t, but it needs to be parsed and frame segmented before input. Broken frame data process is simple…
323 …ng queue. If input stream is sent too fast an error code will be reported and user will be require…
337 … error occurred on decoding the corresponding bitstream. The image contains error can be discarded.
341 … will be calculated in MPP decoder according to different chip platform and different video format…
357 …is preferentially returned to the caller. If there is no decoded image can be output the bitstream…
369 …r. The returned MppFrame structure will bring out the image buffer size to be allocated from the d…
427 In the process of using decoder some important notices need to be paid attention to:
431 The MPI interface of MPP decoder is thread-safe and can be used in multi-thread environment. The si…
441be handed over to user, and released back to decoder after user completes his usage. And all the M…
459 Procedure is simple. A demo can be setup quickly to evaluate the decoder performance. Disadvantage:
461 … the memory has not been released when the decoder is destroyed, there may be a memory leak or cra…
463 …he memory is allocated from the inner decoder, and the user's display system may be not compatible.
497 2. The user program needs to be modified. Some user program work flow restricts the pure external …
501 1. If the image memory pool is created before the decoder is created there should be an extra way …
509 …isting MppBufferGroup needs to be reset. New image memory buffer should be committed, and the exte…
519 | Input parameter | ctx :MPP decoder instance <br>frame :Image data to be input |
525be greatly reduced. Therefore, the input function of the encoder needs to wait for the encoder har…
529 …is will greatly affect the efficiency. The encoder prefers input memory to be in form of dmabuf/io…
541be obtained by the MPP_ENC_GET_EXTRA_INFO command of the control interface, and the image data is …
549 …n using the encode_put_frame and encode_get_packet interfaces, a copy will be made when using enco…
609 …ndicates the protocol type corresponding to MppEncCodecCfg, which needs to be consistent with the …
648 Other strings and parameters will be expanded later.
670 …oder. After the encoder receives the request, it encodes the next frame to be an IDR frame. All ha…
683be obtained for access. The calling timing is after the basic configuration of the encoder is comp…
685 In the case of multi-threading, the MppPacket obtained by the MPP_ENC_GET_EXTRA_INFO command may be
705 …eryType* pointer and specify MppCodingType, and the structure content will be filled in when retur…
710 …control strategy plug-in. The rate control strategy after registration can be queried and activate…
715 …tegy, enter the RcApiBrief* pointer, and the content of the structure will be filled in when retur…
725 …mation output method of the H.264/H.265 encoder. The debugging switch will be replaced by environm…
735 …ionship modes need to be configured. It is used to configure a special reference relationship mode…
750 …re, the command parameter is MppEncOSDData.It needs to be configured every frame, and needs to be
756 The width and height configuration of the input image of the encoder needs to be consistent with th…
766 … horizontal stride 1920, and vertical stride 1088. That is, the encoding can be performed normally.
770 …roma part will be read when reading the lower edge data of the brightness, and the lower edge of t…
784 …-blocking and blocking calls. The default is non-blocking calls. There may be a failure to obtain …
790 …he interface and process are not stable. It is foreseeable that there will be many adjustments in …
800 …platform as an example. First run mpi_dec_test directly, help document can be printed in the log, …
804 The help document can be divided into two parts: command parameter descriptions of mpi_dec_test and…
816 … max output frame number. If input bitstream is too long, only the first n frames can be decoded. |
834 …-n 30 indicates decoding 30 frames. If everything is normal, the following result will be obtained:
884 The help document can be divided into three parts:
905 …ax encoding frame number. If input bitstream is too long, only the first n frames can be decoded. |
936 … is set to q, MPP daily logging will be disabled; if set to f, the average frame rate and current …
946 If everything is normal, the following result will be obtained:
976 The encoder's control parameters can also be configured through environment variables. In the Andro…
996 … there is only one SEI for each GOP; under frame write mode, SEI will also be added before each fr…
997 …able gop_mode is not configured, it will be configured according to the command parameter; otherwi…
1004 … encoder demo can be found in test/mpi_enc_test.c, but the current encoder demo uses the enqueue/d…
1050 The download path for r16b ndk can be found in the build/android/ndk_links.md file in the source di…
1072 Q: When running, the following kernel log will be printed, is there a problem??
1076 …This print is printed when the attempt fails and will only be printed once. This print can be igno…