hello:<br><br><span id="result_box" class="" lang="en"><span title="点击可显示其他翻译" class="hps"></span><span title="点击可显示其他翻译" class="hps">I use</span> <span title="点击可显示其他翻译" class="hps">the following</span> <span title="点击可显示其他翻译" class="hps">command</span> <span title="点击可显示其他翻译" class="hps">to play a</span> <span title="点击可显示其他翻译" class="hps">media file</span></span>:<br>
<br><span style="color: rgb(51, 51, 255);">gst-launch --gst-debug-level=queue:3 filesrc location=/usr/local/demo/z.mp4 ! ffdemux_mov_mp4_m4a_3gp_3g2_mj2 name=demux demux.video_00 ! queue ! ffdec_mpeg4 ! ffmpegcolorspace ! videoscale ! ximagesink demux.audio_00 ! queue ! faad ! alsasink</span><br>
<br><span id="result_box" class="" lang="en"><span title="点击可显示其他翻译" class="hps"></span><span class="" title="点击可显示其他翻译">the video</span> <span title="点击可显示其他翻译" class="hps">image playback</span> <span title="点击可显示其他翻译" class="hps">smooth,</span> <span title="点击可显示其他翻译" class="hps">but the sound</span> <span title="点击可显示其他翻译" class="hps">began to emerge</span> <span title="点击可显示其他翻译" class="hps">only in the</span> <span title="点击可显示其他翻译" class="hps">3 to 10</span> <span title="点击可显示其他翻译" class="hps">seconds</span> <span title="点击可显示其他翻译" class="hps">,then it will disappear</span> to the end, and <span title="点击可显示其他翻译" class="hps">in the middle</span> <span title="点击可显示其他翻译" class="hps">there will be</span> <span title="点击可显示其他翻译" class="hps">some</span> <span title="点击可显示其他翻译" class="hps">noise</span> <span title="点击可显示其他翻译" class="hps"></span><span class="" title="点击可显示其他翻译">, but</span> <span title="点击可显示其他翻译" class="hps">i can not</span> <span title="点击可显示其他翻译" class="hps">see the</span> <span title="点击可显示其他翻译" class="hps">debugging information</span> to know<span title="点击可显示其他翻译" class="hps"></span><span title="点击可显示其他翻译" class="hps"> where</span> <span title="点击可显示其他翻译" class="hps">a problem is</span><span class="" title="点击可显示其他翻译">,.</span> <span title="点击可显示其他翻译" class="hps">How to solve</span><span class="" title="点击可显示其他翻译"> this problem?</span> <span title="点击可显示其他翻译" class="hps">Can you tell</span> <span title="点击可显示其他翻译" class="hps">me how</span> <span title="点击可显示其他翻译" class="hps">better</span> <span title="点击可显示其他翻译" class="hps">to debug</span><span class="" title="点击可显示其他翻译">?</span> <span title="点击可显示其他翻译" class="hps">Also,</span>how can i <span title="点击可显示其他翻译" class="hps">get the</span> <span title="点击可显示其他翻译" class="hps">time stamp information</span><span class="" title="点击可显示其他翻译"> of audio and video</span><span title="点击可显示其他翻译" class="hps">?<br>
<br>pls help me, thank very much!<br><br>daisy<br></span> <span title="点击可显示其他翻译" class="hps"><br>Here are</span> <span title="点击可显示其他翻译" class="hps">my media</span> <span title="点击可显示其他翻译" class="hps">files Info:</span></span><br>
<br>PS: MP4 file info:<br><br>General<br>Complete name : E:\demo\z.mp4<br>Format : MPEG-4<br>Format profile : Base Media / Version 2<br>Codec ID : mp42<br>
File size : 38.0 MiB<br>Duration : 21mn 47s<br>Overall bit rate : 244 Kbps<br>Encoded date : UTC 2009-08-29 09:23:08<br>Tagged date : UTC 2009-08-29 09:23:08<br>
<br>Video<br>ID : 1<br>Format : MPEG-4 Visual<br>Format profile : Simple@L1<br>Format settings, BVOP : No<br>Format settings, QPel : No<br>
Format settings, GMC : No warppoints<br>Format settings, Matrix : Default (H.263)<br>Codec ID : 20<br>Duration : 21mn 47s<br>Bit rate mode : Variable<br>
Bit rate : 216 Kbps<br>Width : 320 pixels<br>Height : 240 pixels<br>Display aspect ratio : 4:3<br>Frame rate mode : Constant<br>
Frame rate : 14.985 fps<br>Resolution : 24 bits<br>Colorimetry : 4:2:0<br>Scan type : Progressive<br>Bits/(Pixel*Frame) : 0.187<br>
Stream size : 33.6 MiB (88%)<br>Writing library : Lavc51.10.0<br>Encoded date : UTC 1970-01-01 00:00:00<br>Tagged date : UTC 2009-08-29 09:23:21<br>
<br>Audio<br>ID : 2<br>Format : AAC<br>Format/Info : Advanced Audio Codec<br>Format version : Version 4<br>Format profile : LC<br>
Format settings, SBR : Yes<br>Format settings, PS : Yes<br>Codec ID : 40<br>Duration : 21mn 46s<br>Bit rate mode : Variable<br>Bit rate : 27.4 Kbps<br>
Channel(s) : 2 channels<br>Channel positions : Front: L R<br>Sampling rate : 32.0 KHz<br>Resolution : 16 bits<br>Stream size : 4.28 MiB (11%)<br>
Encoded date : UTC 1970-01-01 00:00:00<br>Tagged date : UTC 2009-08-29 09:23:21<br><br><br>