流0的数据包中未设置时间戳,这已不推荐使用,并将在未来停止工作发布于2022年4月10日 最近,在处理多媒体应用程序或视频处理库时,您可能会遇到一个警告信息,提示“流0的数据包中未设置时间戳,这已不推荐使用...理解警告信息警告信息“流0的数据包中未设置时间戳,这已不推荐使用,并将在未来停止工作”通常出现在处理多媒体数据(如视频或音频流)时。它表示特定流(在本例中为流0)的时间戳未正确设置或根本没有提供。...结论在本篇博客文章中,我们探讨了在处理多媒体应用程序或视频处理库时可能遇到的警告信息“流0的数据包中未设置时间戳,这已不推荐使用,并将在未来停止工作”。...255, 0), 2) # 将帧写入输出视频 output_video.write(frame) # 增加时间戳以表示下一帧 timestamp...通常,第一个摄像头的索引是0。cv2.VideoCapture(filename):打开名为filename的视频文件。
详解Invalid packet stream index在音视频处理中,经常会遇到一些错误和异常情况。其中之一就是"Invalid packet stream index"错误。...错误信息当我们在处理音视频数据时,有时会收到以下错误信息:"Invalid packet stream index"。这个错误表明在处理数据包时,出现了无效的数据包流索引。...错误原因"Invalid packet stream index"错误通常有以下几个常见的原因:未正确设置数据包流索引:在音视频处理中,每个音频或视频流都有一个唯一的索引。...解决方法为了解决"Invalid packet stream index"错误,可以考虑以下几种方法:检查数据包流索引设置:确保在处理音视频数据时,正确设置和使用数据包流索引。...合理使用这些方法,可以更好地处理音视频数据并避免出现"Invalid packet stream index"错误。
, 1k tbn Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 16000 Hz, mono, fltp Stream mapping...: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Press [q] to stop, [?]...for help [flv @ 0000018fd525e780] Timestamps are unset in a packet for stream 0....mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Press [q] to stop, [?]...for help [hls @ 000001e5d83bddc0] Timestamps are unset in a packet for stream 0.
前言 在使用 GNU Radio 对 OFDM 进行帧结构设计时,出现了如下的警告信息: gr::log :INFO: packet_headerparser_b0 - Detected an invalid...packet at item 724224 gr::log :INFO: header_payload_demux0 - Parser returned # 下面只是对问题做个记录,问题并未解决。
#0:0: Video: h264 (High), yuv420p(progressive), 784x480, 25 fps, 25 tbr, 1k tbn, 50 tbc Stream #0.../** * Convert valid timing fields (timestamps / durations) in a packet from one * timebase to another...#0:0: Video: h264 (High), yuv420p(progressive), 784x480, 25 fps, 25 tbr, 1k tbn, 50 tbc Stream #0...tbr, 90k tbn, 50 tbc Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo..., packet); // 时间基转换 packet.stream_index = out_stream_idx; enc_ctx->time_base = av_inv_q(dec_ctx->framerate
std::map stream_mapping{}; int stream_idx = 0; for (unsigned int i = 0; i...(decoder_fmt_ctx, packet) >= 0) { if (stream_mapping[packet->stream_index] < 0) {...the timestamps from the time base of input stream to the time base of output stream //...The timestamps of the packets are based on the time base of // their streams, timestamps of the...+, packet->pts, packet->dts, packet->duration); packet->stream_index = stream_mapping[packet
0) { av_packet_unref(&pkt); continue; } int codec_type = in_stream...需要根据输出封装格式重新计算pts和dts av_packet_rescale_ts(&pkt, in_stream->time_base, out_stream->time_base)...遗留问题 推流的问题:不管是用ffmpeg命令,还是用本测试程序,推流结束时会打印如下信息: [flv @ 0x22ab9c0] Timestamps are unset in a packet for...stream 0....Fix your code to set the timestamps properly Larger timestamp than 24-bit: 0xffffffc2 [flv @ 0x22ab9c0
主要看了一下,说的是jdbc在提交任务的时候出现了问题,并且驱动未收到服务端的数据包。
0) { av_packet_unref(&pkt); continue; } int codec_type = in_stream...需要根据输出封装格式重新计算pts和dts av_packet_rescale_ts(&pkt, in_stream->time_base, out_stream->time_base)...遗留问题 推流的问题:不管是用 ffmpeg 命令,还是用本测试程序,推流结束时会打印如下信息 1 2 3 4 [flv @ 0x22ab9c0] Timestamps are unset in a packet...for stream 0....Fix your code to set the timestamps properly Larger timestamp than 24-bit: 0xffffffc2 [flv @ 0x22ab9c0
instead.Output #0, mp4, to 'test.mp4':Metadata:encoder : Lavf57.40.101Stream #0:0: Video: h264...([33][0][0][0] / 0x0021), yuv420p, 384x288, q=2-31, 25.50 fps, 25.50 tbr, 1200k tbn, 1200k tbcStream...mapping:Stream #0:0 -> #0:0 (copy)Press [q] to stop, [?]...for help[mp4 @ 0x3913260] Timestamps are unset in a packet for stream 0....Fix your code to set the timestamps properlyframe= 1479 fps=0.0 q=-1.0 Lsize= 4890kB time=00:00:58.31
//用来管理data指针引用的数据缓存,通过av_packet_ref() 和 av_packet_unref() //来使buf->buffer->refcount成员引用计数+-,如果引用计数为0,...Such timestamps * must be converted to true pts/dts before they are stored in AVPacket. */ int64_t pts...int size; //data的大小 int stream_index; //标识该AVPacket所属的视频/音频流 int flags; //标识,结合AV_PKT_FLAG...AV_PKT_FLAG_DISCARD 0x0004 /丢弃的数据 /** * Additional packet data that can be provided by the container...(pFormatCtx,packet)) { if(packet->stream_index == audio_index) { ... } else if(packet->stream_index
Application provided invalid, non monotonically increasing dts to muxer in stream 1: 11264 >= 0 这个问题已经找到解决的方案了...#define AVFMT_SHOW_IDS 0x0008 /**< Show format stream IDs numbers. */ #define AVFMT_GLOBALHEADER...need / have any timestamps. */ #define AVFMT_GENERIC_INDEX 0x0100 /**< Use generic index building code...Note, muxers always require valid (monotone) timestamps */ #define AVFMT_VARIABLE_FPS 0x0400 /**< Format...If not set, the muxer will not receive a NULL packet in the write_packet function. */ #define AVFMT_TS_NONSTRICT
#0:0: Video: h264 (High), yuv420p(progressive), 784x480, 25 fps, 25 tbr, 1k tbn, 50 tbc Stream #0...#0:0: Video: h264 (High), yuv420p(progressive), 784x480, 25 fps, 25 tbr, 1k tbn, 50 tbc Stream #0...* * Packet's @ref AVPacket.stream_index "stream_index" field must be *...* * The timestamps (@ref AVPacket.pts "pts", @ref AVPacket.dts "dts")...* * Packet's @ref AVPacket.stream_index "stream_index" field must be *
to av_packet_unref() reduces the * reference count to 0...Such timestamps * must be converted to true pts/dts before they are stored in AVPacket. */...; int side_data_elems; /** * Duration of this packet in AVStream->time_base units, 0 if...av_packet_unref()将数据缓冲区引用计数减1,当缓冲区引用计数为0时,缓冲区内存被FFmpeg回收。...int stream_index: 当前包(packet)所有流(stream)的索引(index)。 int flags: packet标志位。比如是否关键帧等。
在这两种情况下,当不再需要该数据包时,都必须使用av_packet_unref释放它。对于视频,数据包恰好包含一帧。...* decoding: set by libavformat * encoding: set by the user, replaced by libavformat if left unset...muxer will overwrite this field * with the timebase that will actually be used for the timestamps...,也可以取得同样的效果 */ for (uint32_t i = 0; i nb_streams; i++) { AVStream *in_stream...:\n", pkt->stream_index); } } av_packet_unref(pkt); } if(pkt)
_read_txt(stream) else: if self...., axis=1) # timestamps = data[:,0] + (data[:,1] *2**32) header_u4 = data[:, 2:5] return timestamps, header_u4...else: return None Example 30 def __mmap_ncs_packet_timestamps(self, filename): “”” Memory map of the..., axis=1) # timestamps = data[:,0] + data[:,1]*2**32 return timestamps else: return None Example 31 def..., axis=1) # timestamps = data[:,0] + (data[:,1] *2**32) header_u4 = data[:, 2:5] return timestamps, header_u4
} //用流解码信息初始化编码参数 pCodecCtx.AvcodecParametersToContext(codecpar) //没有此句会出现:Could not update timestamps...fileName, 0); // printf("-------------------------------------------------\n"); //编码数据 packet...>= 0 { if packet.StreamIndex == uint32(streamIndex) { //解码AVPacket --> AVFrame ret :=...pCodecCtx.AvcodecSendPacket(packet) if ret < 0 { fmt.Printf("Decode error\n")...(nil) < 0 { fmt.Printf("can't find stream info\n") return } //音视频编码,找到对应的音视频流的索引位置 //找到音频流的索引
1 } //用流解码信息初始化编码参数 pCodecCtx.AvcodecParametersToContext(codecpar) //没有此句会出现:Could not update timestamps...fileName, 0); // printf("-------------------------------------------------\n"); //编码数据 packet :=...0 { if packet.StreamIndex == uint32(streamIndex) { //解码AVPacket --> AVFrame ret := pCodecCtx.AvcodecSendPacket...(packet) if ret < 0 { fmt.Printf("Decode error\n") break } if pCodecCtx.AvcodecReceiveFrame...(nil) < 0 { fmt.Printf("can't find stream info\n") return } //音视频编码,找到对应的音视频流的索引位置 //找到音频流的索引
* * Like containers, elementary streams also can store timestamps, 1/time_base * is the...unit in which these timestamps are specified...因此有如下计算: AVStream *st; double duration_of_stream = st->duration * av_q2d(st->time_base); // 视频流播放时长...= AVERROR(EAGAIN)); } do { if (d->queue->nb_packets == 0) // packet_queue...is->paused) stream_toggle_pause(is); } display: /* display picture */
Could not find codec parameters for stream 0 (Video: h264, none)在使用视频处理工具或者播放器时,有时我们可能会遇到错误信息 "Could...not find codec parameters for stream 0 (Video: h264, none)"。...希望本文能够帮助你解决 "Could not find codec parameters for stream 0 (Video: h264, none)" 的错误,并让你能够正常播放视频文件。...当遇到错误信息 "Could not find codec parameters for stream 0 (Video: h264, none)" 时,我们可以通过检查视频文件格式,并转码视频格式的方式来解决问题...通过转码视频格式,我们可以将视频文件转换为常见的格式,从而确保播放器或者视频处理工具能够正确解码视频流,避免 "Could not find codec parameters for stream 0
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