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Sur d’autres sites (8217)
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c++ - using FFmpeg encode and UDP with a Webcam
14 mars, par RendresI'm trying to get frames from a Webcam using OpenCV, encode them with FFmpeg and send them using UDP.



I did before a similar project that instead of sending the packets with UDP, it saved them in a video file.



My code is.



#include 
#include 
#include 
#include 

extern "C" {
#include <libavcodec></libavcodec>avcodec.h>
#include <libavformat></libavformat>avformat.h>
#include <libavutil></libavutil>opt.h>
#include <libavutil></libavutil>imgutils.h>
#include <libavutil></libavutil>mathematics.h>
#include <libswscale></libswscale>swscale.h>
#include <libswresample></libswresample>swresample.h>
}

#include <opencv2></opencv2>opencv.hpp>

using namespace std;
using namespace cv;

#define WIDTH 640
#define HEIGHT 480
#define CODEC_ID AV_CODEC_ID_H264
#define STREAM_PIX_FMT AV_PIX_FMT_YUV420P

static AVFrame *frame, *pFrameBGR;

int main(int argc, char **argv)
{
VideoCapture cap(0);
const char *url = "udp://127.0.0.1:8080";

AVFormatContext *formatContext;
AVStream *stream;
AVCodec *codec;
AVCodecContext *c;
AVDictionary *opts = NULL;

int ret, got_packet;

if (!cap.isOpened())
{
 return -1;
}

av_log_set_level(AV_LOG_TRACE);

av_register_all();
avformat_network_init();

avformat_alloc_output_context2(&formatContext, NULL, "h264", url);
if (!formatContext)
{
 av_log(NULL, AV_LOG_FATAL, "Could not allocate an output context for '%s'.\n", url);
}

codec = avcodec_find_encoder(CODEC_ID);
if (!codec)
{
 av_log(NULL, AV_LOG_ERROR, "Could not find encoder.\n");
}

stream = avformat_new_stream(formatContext, codec);

c = avcodec_alloc_context3(codec);

stream->id = formatContext->nb_streams - 1;
stream->time_base = (AVRational){1, 25};

c->codec_id = CODEC_ID;
c->bit_rate = 400000;
c->width = WIDTH;
c->height = HEIGHT;
c->time_base = stream->time_base;
c->gop_size = 12;
c->pix_fmt = STREAM_PIX_FMT;

if (formatContext->flags & AVFMT_GLOBALHEADER)
 c->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;

av_dict_set(&opts, "preset", "fast", 0);

av_dict_set(&opts, "tune", "zerolatency", 0);

ret = avcodec_open2(c, codec, NULL);
if (ret < 0)
{
 av_log(NULL, AV_LOG_ERROR, "Could not open video codec.\n");
}

pFrameBGR = av_frame_alloc();
if (!pFrameBGR)
{
 av_log(NULL, AV_LOG_ERROR, "Could not allocate video frame.\n");
}

frame = av_frame_alloc();
if (!frame)
{
 av_log(NULL, AV_LOG_ERROR, "Could not allocate video frame.\n");
}

frame->format = c->pix_fmt;
frame->width = c->width;
frame->height = c->height;

ret = avcodec_parameters_from_context(stream->codecpar, c);
if (ret < 0)
{
 av_log(NULL, AV_LOG_ERROR, "Could not open video codec.\n");
}

av_dump_format(formatContext, 0, url, 1);

ret = avformat_write_header(formatContext, NULL);
if (ret != 0)
{
 av_log(NULL, AV_LOG_ERROR, "Failed to connect to '%s'.\n", url);
}

Mat image(Size(HEIGHT, WIDTH), CV_8UC3);
SwsContext *swsctx = sws_getContext(WIDTH, HEIGHT, AV_PIX_FMT_BGR24, WIDTH, HEIGHT, AV_PIX_FMT_YUV420P, SWS_BILINEAR, NULL, NULL, NULL);
int frame_pts = 0;

while (1)
{
 cap >> image;

 int numBytesYUV = av_image_get_buffer_size(STREAM_PIX_FMT, WIDTH, HEIGHT, 1);
 uint8_t *bufferYUV = (uint8_t *)av_malloc(numBytesYUV * sizeof(uint8_t));

 avpicture_fill((AVPicture *)pFrameBGR, image.data, AV_PIX_FMT_BGR24, WIDTH, HEIGHT);
 avpicture_fill((AVPicture *)frame, bufferYUV, STREAM_PIX_FMT, WIDTH, HEIGHT);

 sws_scale(swsctx, (uint8_t const *const *)pFrameBGR->data, pFrameBGR->linesize, 0, HEIGHT, frame->data, frame->linesize);

 AVPacket pkt = {0};
 av_init_packet(&pkt);

 frame->pts = frame_pts;

 ret = avcodec_encode_video2(c, &pkt, frame, &got_packet);
 if (ret < 0)
 {
 av_log(NULL, AV_LOG_ERROR, "Error encoding frame\n");
 }

 if (got_packet)
 {
 pkt.pts = av_rescale_q_rnd(pkt.pts, c->time_base, stream->time_base, AVRounding(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
 pkt.dts = av_rescale_q_rnd(pkt.dts, c->time_base, stream->time_base, AVRounding(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
 pkt.duration = av_rescale_q(pkt.duration, c->time_base, stream->time_base);
 pkt.stream_index = stream->index;

 return av_interleaved_write_frame(formatContext, &pkt);

 cout << "Seguro que si" << endl;
 }
 frame_pts++;
}

avcodec_free_context(&c);
av_frame_free(&frame);
avformat_free_context(formatContext);

return 0;
}



The code compiles but it returns Segmentation fault in the function av_interleaved_write_frame(). I've tried several implementations or several codecs (in this case I'm using libopenh264, but using mpeg2video returns the same segmentation fault). I tried also with av_write_frame() but it returns the same error.



As I told before, I only want to grab frames from a webcam connected via USB, encode them to H264 and send the packets through UDP to another PC.



My console log when I run the executable is.



[100%] Built target display
[OpenH264] this = 0x0x244b4f0, Info:CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_TRACE_CALLBACK callback = 0x7f0c302a87c0.
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:CWelsH264SVCEncoder::InitEncoder(), openh264 codec version = 5a5c4f1
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:iUsageType = 0,iPicWidth= 640;iPicHeight= 480;iTargetBitrate= 400000;iMaxBitrate= 400000;iRCMode= 0;iPaddingFlag= 0;iTemporalLayerNum= 1;iSpatialLayerNum= 1;fFrameRate= 25.000000f;uiIntraPeriod= 12;eSpsPpsIdStrategy = 0;bPrefixNalAddingCtrl = 0;bSimulcastAVC=0;bEnableDenoise= 0;bEnableBackgroundDetection= 1;bEnableSceneChangeDetect = 1;bEnableAdaptiveQuant= 1;bEnableFrameSkip= 0;bEnableLongTermReference= 0;iLtrMarkPeriod= 30, bIsLosslessLink=0;iComplexityMode = 0;iNumRefFrame = 1;iEntropyCodingModeFlag = 0;uiMaxNalSize = 0;iLTRRefNum = 0;iMultipleThreadIdc = 1;iLoopFilterDisableIdc = 0 (offset(alpha/beta): 0,0;iComplexityMode = 0,iMaxQp = 51;iMinQp = 0)
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:sSpatialLayers[0]: .iVideoWidth= 640; .iVideoHeight= 480; .fFrameRate= 25.000000f; .iSpatialBitrate= 400000; .iMaxSpatialBitrate= 400000; .sSliceArgument.uiSliceMode= 1; .sSliceArgument.iSliceNum= 0; .sSliceArgument.uiSliceSizeConstraint= 1500;uiProfileIdc = 66;uiLevelIdc = 41
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Warning:SliceArgumentValidationFixedSliceMode(), unsupported setting with Resolution and uiSliceNum combination under RC on! So uiSliceNum is changed to 6!
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:Setting MaxSpatialBitrate (400000) the same at SpatialBitrate (400000) will make the actual bit rate lower than SpatialBitrate
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Warning:bEnableFrameSkip = 0,bitrate can't be controlled for RC_QUALITY_MODE,RC_BITRATE_MODE and RC_TIMESTAMP_MODE without enabling skip frame.
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Warning:Change QP Range from(0,51) to (12,42)
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:WELS CPU features/capacities (0x4007fe3f) detected: HTT: Y, MMX: Y, MMXEX: Y, SSE: Y, SSE2: Y, SSE3: Y, SSSE3: Y, SSE4.1: Y, SSE4.2: Y, AVX: Y, FMA: Y, X87-FPU: Y, 3DNOW: N, 3DNOWEX: N, ALTIVEC: N, CMOV: Y, MOVBE: Y, AES: Y, NUMBER OF LOGIC PROCESSORS ON CHIP: 8, CPU CACHE LINE SIZE (BYTES): 64
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:WelsInitEncoderExt() exit, overall memory usage: 4542878 bytes
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Info:WelsInitEncoderExt(), pCtx= 0x0x245a400.
Output #0, h264, to 'udp://192.168.100.39:8080':
Stream #0:0, 0, 1/25: Video: h264 (libopenh264), 1 reference frame, yuv420p, 640x480 (0x0), 0/1, q=2-31, 400 kb/s, 25 tbn
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Debug:RcUpdateIntraComplexity iFrameDqBits = 385808,iQStep= 2016,iIntraCmplx = 777788928
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Debug:[Rc]Layer 0: Frame timestamp = 0, Frame type = 2, encoding_qp = 30, average qp = 30, max qp = 33, min qp = 27, index = 0, iTid = 0, used = 385808, bitsperframe = 16000, target = 64000, remainingbits = -257808, skipbuffersize = 200000
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Debug:WelsEncoderEncodeExt() OutputInfo iLayerNum = 2,iFrameSize = 48252
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Debug:WelsEncoderEncodeExt() OutputInfo iLayerId = 0,iNalType = 0,iNalCount = 2, first Nal Length=18,uiSpatialId = 0,uiTemporalId = 0,iSubSeqId = 0
[libopenh264 @ 0x244aa00] [OpenH264] this = 0x0x244b4f0, Debug:WelsEncoderEncodeExt() OutputInfo iLayerId = 1,iNalType = 1,iNalCount = 6, first Nal Length=6057,uiSpatialId = 0,uiTemporalId = 0,iSubSeqId = 0
[libopenh264 @ 0x244aa00] 6 slices
./scriptBuild.sh: line 20: 10625 Segmentation fault (core dumped) ./display



As you can see, FFmpeg uses libopenh264 and configures it correctly. However, no matter what. It always returns the same Segmentation fault error...



I've used commands like this.



ffmpeg -s 640x480 -f video4linux2 -i /dev/video0 -r 30 -vcodec libopenh264 -an -f h264 udp://127.0.0.1:8080



And it works perfectly, but I need to process the frames before sending them. Thats why I'm trying to use the libs.



My FFmpeg version is.



ffmpeg version 3.3.6 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
configuration: --disable-yasm --enable-shared --enable-libopenh264 --cc='gcc -fPIC'
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100



I tried to get more information of the error using gbd, but it didn't give me debugging info.



How can I solve this problem ? I don't know what else can I try...



Thank you !


-
ffmpeg seek calculating wrong byte range ?
12 mars 2020, par user4455I’m running into an issue while trying to extract thumbnails from a movie file at a specific timestamp. Generally I’ve had no issues with this, but I’ve come across a set of movie files that are getting an error about the byte range requested (416 Requested Range Not Satisfiable).
The odd thing is that the server is correctly returning the content length in the partial content request, yet when it requests the movie file it requests a length that exceeds that.
This is a bit over my head, so I’m not sure what could be happening here. Any insight would be great.
The Command :
/usr/bin/ffmpeg -y -ss 1400 -i 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4' -qscale:v 2 -f image2 -vframes 1 -filter:v 'scale=192:108' -loglevel debug /data/www/storage/test.jpg 2>&1The Error :
[https @ 0x22e1e00] header='HTTP/1.1 416 Requested Range Not Satisfiable'
[https @ 0x22e1e00] http_code=416
[https @ 0x22e1e00] HTTP error 416 Requested Range Not SatisfiableSource File Size :
1776706045 bytesSource Content Duration :
2897.624271Partial Content Request :
[https @ 0x22e1e00] header='HTTP/1.1 206 Partial Content'
[https @ 0x22e1e00] http_code=206
[https @ 0x22e1e00] header='x-amz-id-2: 4J1pgHExIUA0GxIxSBmGJjrRqliHbsIjXeuGzVfTlaaoVXbyZI5FQNma8fGaifcovkXfxJev5yU='
[https @ 0x22e1e00] header='x-amz-request-id: 78B3BDBB0356EF40'
[https @ 0x22e1e00] header='Date: Wed, 16 Dec 2015 23:51:29 GMT'
[https @ 0x22e1e00] header='x-amz-meta-content-length: 2898'
[https @ 0x22e1e00] header='x-amz-meta-cb-modifiedtime: Tue, 15 Dec 2015 17:59:51 GMT'
[https @ 0x22e1e00] header='Last-Modified: Wed, 16 Dec 2015 23:44:59 GMT'
[https @ 0x22e1e00] header='ETag: "6341a8022630667a8070a83575e542e7-27"'
[https @ 0x22e1e00] header='Accept-Ranges: bytes'
[https @ 0x22e1e00] header='Content-Range: bytes 0-1776706044/1776706045'
[https @ 0x22e1e00] header='Content-Type: video/mp4'
[https @ 0x22e1e00] header='Content-Length: 1776706045'
[https @ 0x22e1e00] header='Server: AmazonS3'
[https @ 0x22e1e00] header='Connection: close'FFmpeg Request :
request: GET /my-bucket/mymoviefile.mp4 HTTP/1.1
User-Agent: Lavf/56.25.101
Accept: */*
Range: bytes=1781732960-
Connection: close
Host: s3-us-west-2.amazonaws.com
Icy-MetaData: 1Entire Log :
# /usr/bin/ffmpeg -y -ss 1400 -i 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4' -qscale:v 2 -f image2 -vframes 1 -filter:v 'scale=192:108' -loglevel debug /data/www/storage/test.jpg 2>&1
ffmpeg version 2.6.4 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.2 (Debian 4.9.2-10)
configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample --disable-htmlpages --disable-podpages --enable-libutvideo --enable-libfdk-aac --enable-libx265 --enable-libiec61883 --enable-vaapi --enable-libdc1394 --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Splitting the commandline.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-ss' ... matched as option 'ss' (set the start time offset) with argument '1400'.
Reading option '-i' ... matched as input file with argument 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4'.
Reading option '-qscale:v' ... matched as option 'qscale' (use fixed quality scale (VBR)) with argument '2'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'image2'.
Reading option '-vframes' ... matched as option 'vframes' (set the number of video frames to output) with argument '1'.
Reading option '-filter:v' ... matched as option 'filter' (set stream filtergraph) with argument 'scale=192:108'.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '/data/www/storage/test.jpg' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4.
Applying option ss (set the start time offset) with argument 1400.
Successfully parsed a group of options.
Opening an input file: https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4.
[https @ 0x22e1e00] request: GET /my-bucket/mymoviefile.mp4 HTTP/1.1
User-Agent: Lavf/56.25.101
Accept: */*
Range: bytes=0-
Connection: close
Host: s3-us-west-2.amazonaws.com
Icy-MetaData: 1
[https @ 0x22e1e00] header='HTTP/1.1 206 Partial Content'
[https @ 0x22e1e00] http_code=206
[https @ 0x22e1e00] header='x-amz-id-2: 4J1pgHExIUA0GxIxSBmGJjrRqliHbsIjXeuGzVfTlaaoVXbyZI5FQNma8fGaifcovkXfxJev5yU='
[https @ 0x22e1e00] header='x-amz-request-id: 78B3BDBB0356EF40'
[https @ 0x22e1e00] header='Date: Wed, 16 Dec 2015 23:51:29 GMT'
[https @ 0x22e1e00] header='x-amz-meta-content-length: 2898'
[https @ 0x22e1e00] header='x-amz-meta-cb-modifiedtime: Tue, 15 Dec 2015 17:59:51 GMT'
[https @ 0x22e1e00] header='Last-Modified: Wed, 16 Dec 2015 23:44:59 GMT'
[https @ 0x22e1e00] header='ETag: "6341a8022630667a8070a83575e542e7-27"'
[https @ 0x22e1e00] header='Accept-Ranges: bytes'
[https @ 0x22e1e00] header='Content-Range: bytes 0-1776706044/1776706045'
[https @ 0x22e1e00] header='Content-Type: video/mp4'
[https @ 0x22e1e00] header='Content-Length: 1776706045'
[https @ 0x22e1e00] header='Server: AmazonS3'
[https @ 0x22e1e00] header='Connection: close'
[https @ 0x22e1e00] header=''
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] ISO: File Type Major Brand: mp42
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] Before avformat_find_stream_info() pos: 1647960 bytes read:1652200 seeks:0
[h264 @ 0x22e92c0] no picture
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] After avformat_find_stream_info() pos: 1862326 bytes read:1878504 seeks:0 frames:16
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: isommp41avc1
creation_time : 2015-11-18 02:34:41
Duration: 00:48:17.70, start: 0.000000, bitrate: 4905 kb/s
Stream #0:0(und), 15, 1/2997: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, left), 1920x1080 (1920x1088) [SAR 1:1 DAR 16:9], 1001/60000, 9994 kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 59.94 tbc (default)
Metadata:
creation_time : 2015-11-18 02:34:41
handler_name : ?Apple Video Media Handler
Stream #0:1(und), 1, 1/48000: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)
Metadata:
creation_time : 2015-11-18 02:34:41
handler_name : ?Apple Sound Media Handler
Successfully opened the file.
Parsing a group of options: output file /data/www/storage/test.jpg.
Applying option qscale:v (use fixed quality scale (VBR)) with argument 2.
Applying option f (force format) with argument image2.
Applying option vframes (set the number of video frames to output) with argument 1.
Applying option filter:v (set stream filtergraph) with argument scale=192:108.
Successfully parsed a group of options.
Opening an output file: /data/www/storage/test.jpg.
Successfully opened the file.
detected 2 logical cores
[Parsed_scale_0 @ 0x22cd4c0] Setting 'w' to value '192'
[Parsed_scale_0 @ 0x22cd4c0] Setting 'h' to value '108'
[Parsed_scale_0 @ 0x22cd4c0] Setting 'flags' to value '0x4'
[Parsed_scale_0 @ 0x22cd4c0] w:192 h:108 flags:'0x4' interl:0
[graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'video_size' to value '1920x1080'
[graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'time_base' to value '1/2997'
[graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'pixel_aspect' to value '1/1'
[graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'frame_rate' to value '2997/100'
[graph 0 input from stream 0:0 @ 0x22ccfe0] w:1920 h:1080 pixfmt:yuv420p tb:1/2997 fr:2997/100 sar:1/1 sws_param:flags=2
[format @ 0x2798640] compat: called with args=[yuvj420p|yuvj422p|yuvj444p]
[format @ 0x2798640] Setting 'pix_fmts' to value 'yuvj420p|yuvj422p|yuvj444p'
[AVFilterGraph @ 0x22cda60] query_formats: 5 queried, 4 merged, 0 already done, 0 delayed
[Parsed_scale_0 @ 0x22cd4c0] picking yuvj420p out of 3 ref:yuv420p alpha:0
[swscaler @ 0x22c3c80] deprecated pixel format used, make sure you did set range correctly
[Parsed_scale_0 @ 0x22cd4c0] w:1920 h:1080 fmt:yuv420p sar:1/1 -> w:192 h:108 fmt:yuvj420p sar:1/1 flags:0x4
[mjpeg @ 0x2854e20] intra_quant_bias = 96 inter_quant_bias = 0
[mjpeg @ 0x28716c0] intra_quant_bias = 96 inter_quant_bias = 0
[mjpeg @ 0x2795320] intra_quant_bias = 96 inter_quant_bias = 0
Output #0, image2, to '/data/www/storage/test.jpg':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: isommp41avc1
encoder : Lavf56.25.101
Stream #0:0(und), 0, 100/2997: Video: mjpeg, yuvj420p(pc, left), 192x108 [SAR 1:1 DAR 16:9], 100/2997, q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default)
Metadata:
creation_time : 2015-11-18 02:34:41
handler_name : ?Apple Video Media Handler
encoder : Lavc56.26.100 mjpeg
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[https @ 0x22e1e00] request: GET /my-bucket/mymoviefile.mp4 HTTP/1.1
User-Agent: Lavf/56.25.101
Accept: */*
Range: bytes=1781732960-
Connection: close
Host: s3-us-west-2.amazonaws.com
Icy-MetaData: 1
[https @ 0x22e1e00] header='HTTP/1.1 416 Requested Range Not Satisfiable'
[https @ 0x22e1e00] http_code=416
[https @ 0x22e1e00] HTTP error 416 Requested Range Not Satisfiable
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] stream 0, offset 0x6a331660: partial file
https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4: Invalid data found when processing input
[output stream 0:0 @ 0x22d7500] EOF on sink link output stream 0:0:default.
No more output streams to write to, finishing.
frame= 0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Input file #0 (https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4):
Input stream #0:0 (video): 0 packets read (0 bytes); 0 frames decoded;
Input stream #0:1 (audio): 0 packets read (0 bytes);
Total: 0 packets (0 bytes) demuxed
Output file #0 (/data/www/storage/test.jpg):
Output stream #0:0 (video): 0 frames encoded; 0 packets muxed (0 bytes);
Total: 0 packets (0 bytes) muxed
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
0 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0x27ab100] Statistics: 1878504 bytes read, 0 seeksFFprobe Result :
# /usr/bin/ffprobe -show_format -show_streams -i 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4'
ffprobe version 2.6.4 Copyright (c) 2007-2015 the FFmpeg developers
built with gcc 4.9.2 (Debian 4.9.2-10)
configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample --disable-htmlpages --disable-podpages --enable-libutvideo --enable-libfdk-aac --enable-libx265 --enable-libiec61883 --enable-vaapi --enable-libdc1394 --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: isommp41avc1
creation_time : 2015-11-18 02:34:41
Duration: 00:48:17.70, start: 0.000000, bitrate: 4905 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv), 1920x1080 [SAR 1:1 DAR 16:9], 9994 kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 59.94 tbc (default)
Metadata:
creation_time : 2015-11-18 02:34:41
handler_name : ?Apple Video Media Handler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)
Metadata:
creation_time : 2015-11-18 02:34:41
handler_name : ?Apple Sound Media Handler
[STREAM]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=High
codec_type=video
codec_time_base=1001/60000
codec_tag_string=avc1
codec_tag=0x31637661
width=1920
height=1080
has_b_frames=1
sample_aspect_ratio=1:1
display_aspect_ratio=16:9
pix_fmt=yuv420p
level=40
color_range=tv
color_space=unknown
color_transfer=unknown
color_primaries=unknown
chroma_location=left
timecode=N/A
refs=3
is_avc=1
nal_length_size=4
id=N/A
r_frame_rate=2997/100
avg_frame_rate=2997/100
time_base=1/2997
start_pts=0
start_time=0.000000
duration_ts=8684300
duration=2897.664331
bit_rate=9994429
max_bit_rate=N/A
bits_per_raw_sample=8
nb_frames=86843
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
TAG:creation_time=2015-11-18 02:34:41
TAG:language=und
TAG:handler_name=Apple Video Media Handler
[/STREAM]
[STREAM]
index=1
codec_name=aac
codec_long_name=AAC (Advanced Audio Coding)
profile=LC
codec_type=audio
codec_time_base=1/48000
codec_tag_string=mp4a
codec_tag=0x6134706d
sample_fmt=fltp
sample_rate=48000
channels=2
channel_layout=stereo
bits_per_sample=0
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_pts=0
start_time=0.000000
duration_ts=139085965
duration=2897.624271
bit_rate=192002
max_bit_rate=N/A
bits_per_raw_sample=N/A
nb_frames=135828
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
TAG:creation_time=2015-11-18 02:34:41
TAG:language=und
TAG:handler_name=Apple Sound Media Handler
[/STREAM]
[FORMAT]
filename=https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4
nb_streams=2
nb_programs=0
format_name=mov,mp4,m4a,3gp,3g2,mj2
format_long_name=QuickTime / MOV
start_time=0.000000
duration=2897.695000
size=1776706045
bit_rate=4905156
probe_score=100
TAG:major_brand=mp42
TAG:minor_version=1
TAG:compatible_brands=isommp41avc1
TAG:creation_time=2015-11-18 02:34:41
[/FORMAT] -
Creating a video using ffmpeg in a PHP script
30 décembre 2017, par FemzyI have been trying to solve this problem for a while now, but i have not got it through please someone should help me..
My main objective is to collect user’n inputs and convert it to a video with black background, then the input text will be moving from left to right while the video is playing with audio in the background. Currently i was suggested to use "drawtext" but i have not find it working
This is the code I use just to test the drawtext but the thing is, if i try it 10 times it will create a video file ones in many times i tried and even the video file would have 0 kb in size
The Below code is my codeThe Below is the Report i got from the not working ffmpeg cmmand
echo shell_exec('ffmpeg -f lavfi -i testsrc=duration=5:size=800x600:rate=30 -vf drawtext="fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf:textfile=text.txt: x=(w-tw)/2: y=h-(2*lh): fontcolor=white: box=1: boxcolor=0x00000000@1" -preset ultrafast outex.mp4');
ffmpeg started on 2017-12-29 at 16:43:24Report written to "ffmpeg-20171229-164324.log"
Command line :
ffmpeg -f test.mp4 -vf "drawtext=fontsize=64:fontcolor=white@0.8:box=1:boxcolor=black@0.75:boxborderw=16:fontfile=OCRA.ttf:text=my_video:x=(w-tw)/2:y=th" textover09.mpg -report
ffmpeg version git-2017-12-28-be4dfbf Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-18)
configuration : —prefix=/usr/local/ffmpeg —extra-cflags=-I/usr/local/ffmpeg/include —extra-ldflags=-L/usr/local/ffmpeg/lib —bindir=/usr/local/bin —enable-gpl —enable-nonfree —enable-libfdk_aac —enable-libmp3lame —enable-libopus —enable-libvpx —enable-libx264 —enable-libtheora —enable-filter=drawtext
libavutil 56. 7.100 / 56. 7.100
libavcodec 58. 9.100 / 58. 9.100
libavformat 58. 3.100 / 58. 3.100
libavdevice 58. 0.100 / 58. 0.100
libavfilter 7. 8.100 / 7. 8.100
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Splitting the commandline.
Reading option ’-f’ ... matched as option ’f’ (force format) with argument ’test.mp4’.
Reading option ’-vf’ ... matched as option ’vf’ (set video filters) with argument ’drawtext=fontsize=64:fontcolor=white@0.8:box=1:boxcolor=black@0.75:boxborderw=16:fontfile=OCRA.ttf:text=my_video:x=(w-tw)/2:y=th’.
Reading option ’textover09.mpg’ ... matched as output url.
Reading option ’-report’ ... matched as option ’report’ (generate a report) with argument ’1’.
Finished splitting the commandline.
Parsing a group of options : global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options : output url textover09.mpg.
Applying option f (force format) with argument test.mp4.
Applying option vf (set video filters) with argument drawtext=fontsize=64:fontcolor=white@0.8:box=1:boxcolor=black@0.75:boxborderw=16:fontfile=OCRA.ttf:text=my_video:x=(w-tw)/2:y=th.
Successfully parsed a group of options.
Opening an output file : textover09.mpg.
[NULL @ 0x4671e80] Requested output format ’test.mp4’ is not a suitable output format
textover09.mpg : Invalid argumentThis is Another report i got, in this report it is saying" Drawtext no such filters"
ffmpeg started on 2017-12-29 at 09:00:43
Report written to "ffmpeg-20171229-090043.log"
Command line:
ffmpeg -i test.mp4 -vf "drawtext=fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf:textfile=text.txt:reload=1:y=h-line_h-10:x=(W/tw)*n" textover7.mpg -report
ffmpeg version git-2017-12-28-be4dfbf Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-18)
configuration: --prefix=/usr/local/ffmpeg --extra-cflags=-I/usr/local/ffmpeg/include --extra-ldflags=-L/usr/local/ffmpeg/lib --bindir=/usr/local/bin --enable-gpl --enable-nonfree --enable-libfdk_aac --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libx264 --enable-libtheora --enable-filter=drawtext
libavutil 56. 7.100 / 56. 7.100
libavcodec 58. 9.100 / 58. 9.100
libavformat 58. 3.100 / 58. 3.100
libavdevice 58. 0.100 / 58. 0.100
libavfilter 7. 8.100 / 7. 8.100
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Splitting the commandline.
Reading option '-i' ... matched as input url with argument 'test.mp4'.
Reading option '-vf' ... matched as option 'vf' (set video filters) with argument 'drawtext=fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf:textfile=text.txt:reload=1:y=h-line_h-10:x=(W/tw)*n'.
Reading option 'textover7.mpg' ... matched as output url.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url test.mp4.
Successfully parsed a group of options.
Opening an input file: test.mp4.
[NULL @ 0x42d2d80] Opening 'test.mp4' for reading
[file @ 0x42d3700] Setting default whitelist 'file,crypto'
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] ISO: File Type Major Brand: mp42
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] Processing st: 0, edit list 0 - media time: 0, duration: 13049
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] Before avformat_find_stream_info() pos: 112452 bytes read:141356 seeks:0 nb_streams:2
[h264 @ 0x42d4640] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x42d4640] nal_unit_type: 8, nal_ref_idc: 3
[h264 @ 0x42d4640] nal_unit_type: 5, nal_ref_idc: 3
[h264 @ 0x42d4640] Format yuv420p chosen by get_format().
[h264 @ 0x42d4640] Reinit context to 640x368, pix_fmt: yuv420p
[h264 @ 0x42d4640] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x42d4640] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x42d4640] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x42d4640] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x42d4640] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x42d4640] nal_unit_type: 1, nal_ref_idc: 2
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x42d2d80] After avformat_find_stream_info() pos: 159483 bytes read:174124 seeks:0 frames:9
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2014-01-19T03:12:30.000000Z
Duration: 00:07:15.00, start: 0.000000, bitrate: 201 kb/s
Stream #0:0(und), 8, 1/30: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360, 103 kb/s, 15 fps, 15 tbr, 30 tbn, 30 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und), 1, 1/44100: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 96 kb/s (default)
Metadata:
creation_time : 2014-01-19T03:12:31.000000Z
handler_name : IsoMedia File Produced by Google, 5-11-2011
Successfully opened the file.
Parsing a group of options: output url textover7.mpg.
Applying option vf (set video filters) with argument drawtext=fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf:textfile=text.txt:reload=1:y=h-line_h-10:x=(W/tw)*n.
Successfully parsed a group of options.
Opening an output file: textover7.mpg.
[file @ 0x42e9e40] Setting default whitelist 'file,crypto'
Successfully opened the file.
detected 12 logical cores
[h264 @ 0x43ece00] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x43ece00] nal_unit_type: 8, nal_ref_idc: 3
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> mpeg1video (native))
Stream #0:1 -> #0:1 (aac (native) -> mp2 (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x43ece00] nal_unit_type: 5, nal_ref_idc: 3
[h264 @ 0x43ece00] Format yuv420p chosen by get_format().
[h264 @ 0x43ece00] Reinit context to 640x368, pix_fmt: yuv420p
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x43f91c0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x43376c0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x4339d40] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x43c1840] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x43de0c0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x439b000] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x445ae80] nal_unit_type: 1, nal_ref_idc: 2
[graph_1_in_0_1 @ 0x4657a40] Setting 'time_base' to value '1/44100'
[graph_1_in_0_1 @ 0x4657a40] Setting 'sample_rate' to value '44100'
[graph_1_in_0_1 @ 0x4657a40] Setting 'sample_fmt' to value 'fltp'
[graph_1_in_0_1 @ 0x4657a40] Setting 'channel_layout' to value '0x3'
[graph_1_in_0_1 @ 0x4657a40] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_1 @ 0x4657cc0] Setting 'sample_fmts' to value 's16'
[format_out_0_1 @ 0x4657cc0] Setting 'sample_rates' to value '44100|48000|32000|22050|24000|16000'
[format_out_0_1 @ 0x4657cc0] Setting 'channel_layouts' to value '0x4|0x3'
[format_out_0_1 @ 0x4657cc0] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_1'
[AVFilterGraph @ 0x42d2c40] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[auto_resampler_0 @ 0x4658dc0] [SWR @ 0x4659140] Using fltp internally between filters
[auto_resampler_0 @ 0x4658dc0] ch:2 chl:stereo fmt:fltp r:44100Hz -> ch:2 chl:stereo fmt:s16 r:44100Hz
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x4477580] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x4493cc0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x44b0340] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0x44cca80] nal_unit_type: 1, nal_ref_idc: 2
[AVFilterGraph @ 0x466e4c0] No such filter: 'drawtext'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0
[h264 @ 0x44e91c0] nal_unit_type: 1, nal_ref_idc: 2
[AVIOContext @ 0x43c0280] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0x42db980] Statistics: 174124 bytes read, 0 seeks
Conversion failed!
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