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The Great Big Beautiful Tomorrow
28 octobre 2011, par
Mis à jour : Octobre 2011
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Type : Texte
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FFMPEG unwanted rotation
5 mars 2015, par BenWhen I add a watermark image with a landscape orientation to a video that has a portrait orientation the video automatically rotates to landscape. How do I prevent this ? Also, the audio file isn’t being merged into the output. How can I include the audio.mp3 to be the sole audio track ?
ffmpeg -i 1425500438.MOV -i hashtag.png -itsoffset 00:00:07 -i audio.mp3 -filter_complex "[0:v]curves=preset=vintage[a];[a][1:v]overlay=10:10[out]" -vcodec libx264 -pix_fmt yuv420p -ss 0:0:07 -t 14 -map "[out]" -y processed.mov
EDIT****
ffmpeg version 2.1.4 Copyright (c) 2000-2014 the FFmpeg developers
built on Mar 19 2014 12:48:02 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.1.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-libopus --enable-frei0r --enable-libopenjpeg --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
libavutil 52. 48.101 / 52. 48.101
libavcodec 55. 39.101 / 55. 39.101
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libavresample 1. 1. 0 / 1. 1. 0
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1425500438.MOV':
Metadata:
major_brand : qt
minor_version : 0
compatible_brands: qt
creation_time : 2015-03-04 20:20:14
encoder : 8.1.2
encoder-eng : 8.1.2
date : 2015-03-04T14:20:14-0600
date-eng : 2015-03-04T14:20:14-0600
model : iPhone 6
model-eng : iPhone 6
make : Apple
make-eng : Apple
Duration: 00:00:10.56, start: 0.000000, bitrate: 703 kb/s
Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 696 kb/s, 30.02 fps, 30.08 tbr, 600 tbn, 1200 tbc (default)
Metadata:
rotate : 90
creation_time : 2015-03-04 20:20:14
handler_name : Core Media Data Handler
Input #1, image2, from 'hashtag.png':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #1:0: Video: png, rgba, 131x29, 25 tbr, 25 tbn, 25 tbc
Input #2, mp3, from 'audio.mp3':
Metadata:
encoder : Lavf55.19.104
Duration: 00:00:10.44, start: 0.000000, bitrate: 128 kb/s
Stream #2:0: Audio: mp3, 16000 Hz, stereo, s16p, 128 kb/s
[libx264 @ 0x7f9894017200] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX AVX2 FMA3 BMI1 BMI2
[libx264 @ 0x7f9894017200] profile High, level 3.0
[libx264 @ 0x7f9894017200] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mov, to 'processed.mov':
Metadata:
major_brand : qt
minor_version : 0
compatible_brands: qt
make-eng : Apple
make : Apple
encoder-eng : 8.1.2
date : 2015-03-04T14:20:14-0600
date-eng : 2015-03-04T14:20:14-0600
model : iPhone 6
model-eng : iPhone 6
encoder : Lavf55.19.104
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 480x360, q=-1--1, 11552 tbn, 30.08 tbc (default)
Stream mapping:
Stream #0:0 (h264) -> curves
Stream #1:0 (png) -> overlay:overlay
overlay -> Stream #0:0 (libx264)
Press [q] to stop, [?] for help
frame= 422 fps=413 q=-1.0 Lsize= 361kB time=00:00:13.96 bitrate= 211.9kbits/s dup=303 drop=0
video:356kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.574185%
[libx264 @ 0x7f9894017200] frame I:2 Avg QP:20.09 size: 19764
[libx264 @ 0x7f9894017200] frame P:134 Avg QP:22.29 size: 2248
[libx264 @ 0x7f9894017200] frame B:286 Avg QP:28.02 size: 79
[libx264 @ 0x7f9894017200] consecutive B-frames: 9.2% 0.0% 3.6% 87.2%
[libx264 @ 0x7f9894017200] mb I I16..4: 6.6% 45.0% 48.4%
[libx264 @ 0x7f9894017200] mb P I16..4: 1.8% 2.4% 0.7% P16..4: 40.8% 13.6% 4.5% 0.0% 0.0% skip:36.1%
[libx264 @ 0x7f9894017200] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 10.9% 0.1% 0.0% direct: 0.0% skip:89.0% L0:56.5% L1:42.3% BI: 1.2%
[libx264 @ 0x7f9894017200] 8x8 transform intra:47.6% inter:61.5%
[libx264 @ 0x7f9894017200] coded y,uvDC,uvAC intra: 51.3% 81.4% 36.7% inter: 5.6% 8.5% 0.5%
[libx264 @ 0x7f9894017200] i16 v,h,dc,p: 21% 27% 12% 40%
[libx264 @ 0x7f9894017200] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 27% 19% 5% 4% 4% 7% 5% 6%
[libx264 @ 0x7f9894017200] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 22% 12% 4% 5% 5% 6% 4% 6%
[libx264 @ 0x7f9894017200] i8c dc,h,v,p: 40% 28% 22% 10%
[libx264 @ 0x7f9894017200] Weighted P-Frames: Y:16.4% UV:10.4%
[libx264 @ 0x7f9894017200] ref P L0: 73.7% 12.2% 11.7% 2.3% 0.2%
[libx264 @ 0x7f9894017200] ref B L0: 93.5% 5.8% 0.7%
[libx264 @ 0x7f9894017200] ref B L1: 97.2% 2.8%
[libx264 @ 0x7f9894017200] kb/s:207.25 -
setPTS outputting wrong duration (Ffmpeg)
16 septembre 2020, par WebDivaI have a video of duration 14 seconds. I applied the setPTS filter to make it 3 times slow. So the total duration should be 42s (14*3). But the output gives a 49s long video. Here is the command :


ffmpeg -i video.mp4 -filter_complex "[0:v]setpts=3*PTS[v];[0:a]atempo=0.6,atempo=0.5[a]" -map "[v]" -map "[a]" output.mp4



What is wrong with this command ? I tried it for different videos but all has the same weird issue. Any help will be appreciated. Regards.


Log :


ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.1 (GCC) 20200805
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 58.100 / 56. 58.100
 libavcodec 58.101.101 / 58.101.101
 libavformat 58. 51.101 / 58. 51.101
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 creation_time : 2018-11-20T06:28:07.000000Z
 Duration: 00:00:14.72, start: 0.000000, bitrate: 688 kb/s
 Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 198x360 [SAR 1:1 DAR 11:20], 592 kb/s, 29.93 fps, 29.93 tbr, 29931 tbn, 59.86 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 96 kb/s (default)
 Metadata:
 creation_time : 2018-11-20T06:28:07.000000Z
 handler_name : IsoMedia File Produced by Google, 5-11-2011
File 'output.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
 Stream #0:0 (h264) -> setpts
 Stream #0:1 (aac) -> atempo
 setpts -> Stream #0:0 (libx264)
 atempo -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[libx264 @ 0000021e37f15340] using SAR=1/1
[libx264 @ 0000021e37f15340] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000021e37f15340] profile High, level 1.3, 4:2:0, 8-bit
[libx264 @ 0000021e37f15340] 264 - core 161 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 encoder : Lavf58.51.101
 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 198x360 [SAR 1:1 DAR 11:20], q=-1--1, 29.93 fps, 29931 tbn, 29.93 tbc (default)
 Metadata:
 encoder : Lavc58.101.101 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 encoder : Lavc58.101.101 aac
frame= 1313 fps=256 q=-1.0 Lsize= 2241kB time=00:00:44.11 bitrate= 416.2kbits/s dup=875 drop=0 speed=8.61x
video:1500kB audio:693kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.182632%
[libx264 @ 0000021e37f15340] frame I:7 Avg QP:21.61 size: 18425
[libx264 @ 0000021e37f15340] frame P:331 Avg QP:24.78 size: 3593
[libx264 @ 0000021e37f15340] frame B:975 Avg QP:31.57 size: 223
[libx264 @ 0000021e37f15340] consecutive B-frames: 0.8% 0.2% 1.6% 97.5%
[libx264 @ 0000021e37f15340] mb I I16..4: 3.6% 31.1% 65.3%
[libx264 @ 0000021e37f15340] mb P I16..4: 0.8% 1.3% 4.2% P16..4: 37.0% 29.0% 15.9% 0.0% 0.0% skip:11.7%
[libx264 @ 0000021e37f15340] mb B I16..4: 0.0% 0.0% 0.2% B16..8: 8.4% 2.8% 1.2% direct: 0.4% skip:87.0% L0:61.8% L1:31.0% BI: 7.3%
[libx264 @ 0000021e37f15340] 8x8 transform intra:22.3% inter:18.7%
[libx264 @ 0000021e37f15340] coded y,uvDC,uvAC intra: 73.2% 85.7% 52.9% inter: 11.6% 7.4% 0.7%
[libx264 @ 0000021e37f15340] i16 v,h,dc,p: 25% 33% 22% 19%
[libx264 @ 0000021e37f15340] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 28% 19% 4% 5% 4% 7% 5% 7%
[libx264 @ 0000021e37f15340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 26% 13% 5% 7% 6% 7% 6% 7%
[libx264 @ 0000021e37f15340] i8c dc,h,v,p: 38% 29% 22% 11%
[libx264 @ 0000021e37f15340] Weighted P-Frames: Y:2.7% UV:0.3%
[libx264 @ 0000021e37f15340] ref P L0: 86.1% 8.9% 3.6% 1.4% 0.1%
[libx264 @ 0000021e37f15340] ref B L0: 94.7% 4.6% 0.8%
[libx264 @ 0000021e37f15340] ref B L1: 99.3% 0.7%
[libx264 @ 0000021e37f15340] kb/s:280.02
[aac @ 0000021e3847c900] Qavg: 729.586



-
C++ FFmpeg create mp4 file
1er février 2021, par DDovzhenkoI'm trying to create mp4 video file with FFmpeg and C++, but in result I receive broken file (windows player shows "Can't play ... 0xc00d36c4"). If I create .h264 file, it can be played with 'ffplay' and successfully converted to mp4 via CL.



My code :



int main() {
 char *filename = "tmp.mp4";
 AVOutputFormat *fmt;
 AVFormatContext *fctx;
 AVCodecContext *cctx;
 AVStream *st;

 av_register_all();
 avcodec_register_all();

 //auto detect the output format from the name
 fmt = av_guess_format(NULL, filename, NULL);
 if (!fmt) {
 cout << "Error av_guess_format()" << endl; system("pause"); exit(1);
 }

 if (avformat_alloc_output_context2(&fctx, fmt, NULL, filename) < 0) {
 cout << "Error avformat_alloc_output_context2()" << endl; system("pause"); exit(1);
 }


 //stream creation + parameters
 st = avformat_new_stream(fctx, 0);
 if (!st) {
 cout << "Error avformat_new_stream()" << endl; system("pause"); exit(1);
 }

 st->codecpar->codec_id = fmt->video_codec;
 st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
 st->codecpar->width = 352;
 st->codecpar->height = 288;
 st->time_base.num = 1;
 st->time_base.den = 25;

 AVCodec *pCodec = avcodec_find_encoder(st->codecpar->codec_id);
 if (!pCodec) {
 cout << "Error avcodec_find_encoder()" << endl; system("pause"); exit(1);
 }

 cctx = avcodec_alloc_context3(pCodec);
 if (!cctx) {
 cout << "Error avcodec_alloc_context3()" << endl; system("pause"); exit(1);
 }

 avcodec_parameters_to_context(cctx, st->codecpar);
 cctx->bit_rate = 400000;
 cctx->width = 352;
 cctx->height = 288;
 cctx->time_base.num = 1;
 cctx->time_base.den = 25;
 cctx->gop_size = 12;
 cctx->pix_fmt = AV_PIX_FMT_YUV420P;
 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
 av_opt_set(cctx->priv_data, "preset", "ultrafast", 0);
 }
 if (fctx->oformat->flags & AVFMT_GLOBALHEADER) {
 cctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 }
 avcodec_parameters_from_context(st->codecpar, cctx);

 av_dump_format(fctx, 0, filename, 1);

 //OPEN FILE + WRITE HEADER
 if (avcodec_open2(cctx, pCodec, NULL) < 0) {
 cout << "Error avcodec_open2()" << endl; system("pause"); exit(1);
 }
 if (!(fmt->flags & AVFMT_NOFILE)) {
 if (avio_open(&fctx->pb, filename, AVIO_FLAG_WRITE) < 0) {
 cout << "Error avio_open()" << endl; system("pause"); exit(1);
 }
 }
 if (avformat_write_header(fctx, NULL) < 0) {
 cout << "Error avformat_write_header()" << endl; system("pause"); exit(1);
 }


 //CREATE DUMMY VIDEO
 AVFrame *frame = av_frame_alloc();
 frame->format = cctx->pix_fmt;
 frame->width = cctx->width;
 frame->height = cctx->height;
 av_image_alloc(frame->data, frame->linesize, cctx->width, cctx->height, cctx->pix_fmt, 32);

 AVPacket pkt;
 double video_pts = 0;
 for (int i = 0; i < 50; i++) {
 video_pts = (double)cctx->time_base.num / cctx->time_base.den * 90 * i;

 for (int y = 0; y < cctx->height; y++) {
 for (int x = 0; x < cctx->width; x++) {
 frame->data[0][y * frame->linesize[0] + x] = x + y + i * 3;
 if (y < cctx->height / 2 && x < cctx->width / 2) {
 /* Cb and Cr */
 frame->data[1][y * frame->linesize[1] + x] = 128 + y + i * 2;
 frame->data[2][y * frame->linesize[2] + x] = 64 + x + i * 5;
 }
 }
 }

 av_init_packet(&pkt);
 pkt.flags |= AV_PKT_FLAG_KEY;
 pkt.pts = frame->pts = video_pts;
 pkt.data = NULL;
 pkt.size = 0;
 pkt.stream_index = st->index;

 if (avcodec_send_frame(cctx, frame) < 0) {
 cout << "Error avcodec_send_frame()" << endl; system("pause"); exit(1);
 }
 if (avcodec_receive_packet(cctx, &pkt) == 0) {
 //cout << "Write frame " << to_string((int) pkt.pts) << endl;
 av_interleaved_write_frame(fctx, &pkt);
 av_packet_unref(&pkt);
 }
 }

 //DELAYED FRAMES
 for (;;) {
 avcodec_send_frame(cctx, NULL);
 if (avcodec_receive_packet(cctx, &pkt) == 0) {
 //cout << "-Write frame " << to_string((int)pkt.pts) << endl;
 av_interleaved_write_frame(fctx, &pkt);
 av_packet_unref(&pkt);
 }
 else {
 break;
 }
 }

 //FINISH
 av_write_trailer(fctx);
 if (!(fmt->flags & AVFMT_NOFILE)) {
 if (avio_close(fctx->pb) < 0) {
 cout << "Error avio_close()" << endl; system("pause"); exit(1);
 }
 }
 av_frame_free(&frame);
 avcodec_free_context(&cctx);
 avformat_free_context(fctx);

 system("pause");
 return 0;
}




Output of program :



Output #0, mp4, to 'tmp.mp4':
 Stream #0:0: Video: h264, yuv420p, 352x288, q=2-31, 400 kb/s, 25 tbn
[libx264 @ 0000021c4a995ba0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000021c4a995ba0] profile Constrained Baseline, level 2.0
[libx264 @ 0000021c4a995ba0] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=12 keyint_min=1 scenecut=0 intra_refresh=0 rc=abr mbtree=0 bitrate=400 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
[libx264 @ 0000021c4a995ba0] frame I:5 Avg QP: 7.03 size: 9318
[libx264 @ 0000021c4a995ba0] frame P:45 Avg QP: 4.53 size: 4258
[libx264 @ 0000021c4a995ba0] mb I I16..4: 100.0% 0.0% 0.0%
[libx264 @ 0000021c4a995ba0] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 100.0% 0.0% 0.0% 0.0% 0.0% skip: 0.0%
[libx264 @ 0000021c4a995ba0] final ratefactor: 9.11
[libx264 @ 0000021c4a995ba0] coded y,uvDC,uvAC intra: 18.9% 21.8% 14.5% inter: 7.8% 100.0% 15.5%
[libx264 @ 0000021c4a995ba0] i16 v,h,dc,p: 4% 5% 5% 86%
[libx264 @ 0000021c4a995ba0] i8c dc,h,v,p: 2% 9% 6% 82%
[libx264 @ 0000021c4a995ba0] kb/s:264.68




If I will try to play mp4 file with 'ffplay' it prints :



[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000026bf900] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 352x288, 138953 kb/s): unspecified pixel format
[h264 @ 00000000006c6ae0] non-existing PPS 0 referenced
[h264 @ 00000000006c6ae0] decode_slice_header error
[h264 @ 00000000006c6ae0] no frame!




I've spent a lot of time without success of finding issue, what could be the reason of it ?



Thank for help !