<HTML><BODY>>Did you already implement software decoding with libavcodec?<br>>Once this works, you should only have to switch from the "h264"<br> >decoder to the "h264_rkmpp" decoder to make it work.<br><br>I tried to do this, but it doesn't work.(software decoding works, hardware decoding does not work)<br><br>I can post output:<br>[NULL @ 0x2f88c030] Opening '../4k.h264' for reading<br>[file @ 0x2f88c6c0] Setting default whitelist 'file,crypto'<br>[h264 @ 0x2f88c030] Format h264 probed with size=2048 and score=51<br>[h264 @ 0x2f88c030] Before avformat_find_stream_info() pos: 0 bytes read:32768 seeks:0 nb_streams:1<br>[AVBSFContext @ 0x2f893ce0] nal_unit_type: 6, nal_ref_idc: 0<br>[AVBSFContext @ 0x2f893ce0] nal_unit_type: 7, nal_ref_idc: 3<br>[AVBSFContext @ 0x2f893ce0] nal_unit_type: 8, nal_ref_idc: 3<br>[AVBSFContext @ 0x2f893ce0] nal_unit_type: 5, nal_ref_idc: 3<br>[h264 @ 0x2f88d0d0] nal_unit_type: 6, nal_ref_idc: 0<br>[h264 @ 0x2f88d0d0] nal_unit_type: 7, nal_ref_idc: 3<br>[h264 @ 0x2f88d0d0] nal_unit_type: 8, nal_ref_idc: 3<br>[h264 @ 0x2f88d0d0] nal_unit_type: 5, nal_ref_idc: 3<br>[h264 @ 0x2f88d0d0] Format yuv420p chosen by get_format().<br>[h264 @ 0x2f88d0d0] Reinit context to 1280x544, pix_fmt: yuv420p<br>[h264 @ 0x2f88d0d0] no picture <br>[h264 @ 0x2f88c030] max_analyze_duration 5000000 reached at 5017667 microseconds st:0<br>[h264 @ 0x2f88c030] After avformat_find_stream_info() pos: 63488 bytes read:65536 seeks:0 frames:123<br>[h264_rkmpp @ 0x2f88e710] Initializing RKMPP decoder.<br>mpi: mpp version: 5849089 author: Herman Chen [mpp]: Add temporally patch for blocking issue<br>hal_h264d_api: hal_h264d_init mpp_buffer_group_get_internal used ion In<br>mpp_rt: NOT found ion allocator<br>mpp_rt: NOT found drm allocator<br>[h264_rkmpp @ 0x2f88e710] RKMPP decoder initialized successfully.<br>Rkmpp codec is opened<br>[h264_rkmpp @ 0x2f88e2f0] Initializing RKMPP decoder.<br>mpi: mpp version: 5849089 author: Herman Chen [mpp]: Add temporally patch for blocking issue<br>hal_h264d_api: hal_h264d_init mpp_buffer_group_get_internal used ion In<br>[h264_rkmpp @ 0x2f88e2f0] RKMPP decoder initialized successfully.<br>Could not find audio stream in input file '../4k.h264'<br>Input #0, h264, from '../4k.h264':<br> Duration: N/A, bitrate: N/A<br> Stream #0:0, 123, 1/1200000: Video: h264 (Main), 1 reference frame, yuv420p(progressive, left), 1280x544, 0/1, 24.08 fps, 23.98 tbr, 1200k tbn, 47.95 tbc<br>Demuxing video from file '../4k.h264' into 'video'<br>[AVBSFContext @ 0x2f8a6890] The input looks like it is Annex B already<br>[h264_rkmpp @ 0x2f88e710] Wrote 35 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Wrote 43028 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Timeout when trying to get a frame from MPP<br>[h264_rkmpp @ 0x2f88e710] Wrote 99 bytes to decoder<br>...<br>... (s<span lang="en">ame type messages</span>)<br>...<br>[h264_rkmpp @ 0x2f88e710] Wrote 40 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Timeout when trying to get a frame from MPP<br>[h264_rkmpp @ 0x2f88e710] Wrote 156 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Timeout when trying to get a frame from MPP<br>[h264_rkmpp @ 0x2f88e710] Wrote 40 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Timeout when trying to get a frame from MPP<br>[h264_rkmpp @ 0x2f88e710] Wrote 156 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Timeout when trying to get a frame from MPP<br>[h264_rkmpp @ 0x2f88e710] End of stream.<br>[h264_rkmpp @ 0x2f88e710] Wrote 0 bytes to decoder<br>[h264_rkmpp @ 0x2f88e710] Received a EOS frame.<br><br><br><br></BODY></HTML>