StackOverflow2013

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POFFMPEG conversion to MXF
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copied!<p>I have to wrap an MPEG2 video file in an MXF container and convert the audio in the process. I have the MXF wrapping working but it won't convert the audio stream (which needs to be 16bit, 48kHz Linear PCM).</p> <p>Here's what I'm trying:</p> <pre><code>ffmpeg -i input.mpg -map 0:0 -map 0:1 -vcodec copy -f mpeg2video -acodec pcm_s16le -ar 48000 -ac 2 output.mxf </code></pre> <p>Results:</p> <pre><code>ffmpeg version 0.10 Copyright (c) 2000-2012 the FFmpeg developers built on Jan 30 2012 17:49:23 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3) configuration: *{snipped}* runtime-cpudetect libavutil 51. 34.101 / 51. 34.101 libavcodec 53. 60.100 / 53. 60.100 libavformat 53. 31.100 / 53. 31.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 60.100 / 2. 60.100 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 6.100 / 0. 6.100 libpostproc 52. 0.100 / 52. 0.100 [mpeg @ 0x10201ae00] max_analyze_duration 5000000 reached at 5000000 Input #0, mpeg, from '/Volumes/Extra/test.mpg': Duration: 00:00:59.97, start: 0.192911, bitrate: 6513 kb/s Stream #0:0[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 12000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc Output #0, mpeg2video, to 'video.mxf': Metadata: encoder : Lavf53.31.100 Stream #0:0: Video: mpeg2video, yuv420p, 720x576 [SAR 16:15 DAR 4:3], q=2-31, 12000 kb/s, 25 fps, 90k tbn, 25 tbc Stream mapping: Stream #0:1 -> #0:0 (copy) Press [q] to stop, [?] for help frame= 1500 fps= 0 q=-1.0 Lsize= 43949kB time=00:00:59.96 bitrate=6004.6kbits/s video:43949kB audio:0kB global headers:0kB muxing overhead 0.000000% </code></pre> <p>The video plays fine as the MXF, but there is no audio stream at all. Any help would be great.</p>

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