#4748: Support audio in MDVR96NT_2_R files ---------------------------------------+---------------------------------- Reporter: cehoyos | Owner: Type: enhancement | Status: new Priority: wish | Component: avformat Version: git-master | Keywords: Blocked By: | Blocking: Reproduced by developer: 0 | Analyzed by developer: 0 ---------------------------------------+---------------------------------- http://thread.gmane.org/gmane.comp.video.ffmpeg.user/58192 A user uploaded a file from a cctv device that contains the string MDVR96NT_2_R and H264 video. My guess is that there is also a 168 byte audio frame at the end of each H264 frame. {{{ $ ffmpeg -i Video1.264 ffmpeg version N-74199-gb27d4fd Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (SUSE Linux) configuration: --enable-gpl libavutil 54. 29.100 / 54. 29.100 libavcodec 56. 56.101 / 56. 56.101 libavformat 56. 40.101 / 56. 40.101 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 30.100 / 5. 30.100 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 2.101 / 1. 2.101 libpostproc 53. 3.100 / 53. 3.100 [h264 @ 0x31733a0] Format h264 detected only with low score of 1, misdetection possible! [h264 @ 0x3173d00] pps_id 4294967295 out of range [h264 @ 0x3173d00] non-existing PPS 0 referenced [h264 @ 0x3173d00] slice type 32 too large at 131319 [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! [h264 @ 0x3173d00] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x3173d00] decode_slice_header error [h264 @ 0x3173d00] no frame! Input #0, h264, from 'Video1.264': Duration: N/A, bitrate: N/A Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 352x240, 25 fps, 25 tbr, 1200k tbn, 50 tbc At least one output file must be specified }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/4748> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker