Also known as MPEG-4/AVC, an advanced video encoding standard, widely used in Blu-ray and streaming video.

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Can't play h264 movies using ffmpeg / vlc / mplayer [closed]

OS: Arch linux, kernel version: 4.0.2 Graphic card: Intel Graphics. I can't play h264 videos using ffmpeg / vlc / mplayer: Here are the logs: ffplay: ffplay version 2.6.2 Copyright (c) 2003-2015 ...
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1answer
63 views

Analyzing h264 100GB video stream

I have a big file, an h264 stream video of a CCTV. I analyze this file with ffprobe and the result is this: [h264 @ 0000000002d24480] no frame! [h264 @ 0000000002d24480] non-existing PPS 0 referenced ...
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2answers
65 views

Convert all files in directory using FFMPEG

I'm trying to write a script to convert all the files in a directory to m4v, whilst trying to keep similar (if not the same) quality and compress the file to reduce the overall size. I've pieced ...
1
vote
1answer
40 views

How can I configure ffmpeg to encode h.264 video with a specific log2_max_frame_num_minus4 value?

I am working on a project where we are splicing HLS video segments. The HLS standard conveniently includes an #EXT-X-DISCONTINUITY directive to signal that the player should be ready for video that ...
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0answers
53 views

FFMPEG Lossless Video Output Options

I am looking for lossless video output options from FFMPEG that can be viewed without any special codecs or special players such as VLC. I want a basic use to be able to open up the video with a ...
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0answers
54 views

Editing metadata of H.264 MP4 videos

Windows lets me edit some metadata fields of H.264 encoded videos, such as “Title” and “Comments.” Such data seem to be preserved inside the file itself, which is what I want. Some applications make ...
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1answer
111 views

Skipping a frame without re-encoding H.264 video

I have an mp4/h.264 video which only contains I-Frames. I want to skip one of those I-frame without re-encoding the entire video. I tried this: ffmpeg -i "file.mp4" -vf select='not(eq(n\,10))' ...
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0answers
39 views

MPEG DASH with H264 + H265

I've tried to build an MPEG-DASH stream coding some bitrates in H264 and some others in H265. In a nutshell I'm trying to code the same video with ffmpeg for the lower bitrates in H264 and the highest ...
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0answers
133 views

Using H.264 pixel format on Logitech C920 on Linux

This article states that it is possible to stream H.264 directly from webcams after kernel 3.2. I have the same camera (Logitech C920) and kernel 3.16 (of Debian testing), but the pixel format does ...
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0answers
85 views

ffmpeg synchonization of libfdk_aac (or libfacc) and libx264

How to synchronize libfdk_aac and libx264 streams? ffmpeg -i pipe_libfdk_aac.fifo -i pipe_libx264.fifo -c copy -f flv flv_stream_pipe_or_rtmp.output I'm always receiving the same asych in all ...
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285 views

OpenH264 won't work properly on Waterfox, what am I missing?

All the boxes on https://www.youtube.com/html5 appear to be ticked and yet mp4 youtube videos fail to load. The changes I have made so far to about:config I shall list here: ...
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1answer
205 views

Firefox: H.264 Video Support

I have Firefox 34 and OpenH264 Video Codec provided by Cisco Systems v1.1 addon installed and enabled. The problem is that Firefox can not play H.264 video. I used this page for testing and here is ...
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0answers
182 views

ffmpeg error when encoding h264 mp4 video

I'm trying to do a simple encoding of an mp4 in h264 to mp4 but I keep getting the error: Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width ...
2
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0answers
824 views

FFMPEG encoding settings for 1080/60fps/h264 - framedrops

I want to use latest ffmpeg to encode set of JPG frames to 1920x1080 60fps h.264 movie. I'm looking for set of parameters that will allow smooth playback of encoded video on fairly strong PC machines ...
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0answers
174 views

How to multicast live H264 without transcoding?

I have a live H264 stream (hardware encoded from the webcam) and I'd like to stream it over the network using multicast on a Linux platform. Because the platform has limited CPU power, and the data ...
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1answer
2k views

What H.264/H.265 video compression parameters provide DVD-equivalent quality with better compression?

I have got a box of DVD video disks that I seek to get rid of while I'd like to keep the videos by converting them into MP4 files to store them on a hard drive. Considering superiority of the modern ...
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1answer
222 views

ffmpeg-transcoded H.264 video does not play in Chrome

I am trying to transcode videos using ffmpeg. Following is the sample command. ffmpeg.exe -i 534.mp4 -vcodec libx264 -level 3.1 -b:v 396k -ar 48000 -ab 32k -s 100x100 -force_key_frames ...
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0answers
69 views

XP Can't display H.264 video

A friend's win2000 box died so I gave him an old XP box of mine. I updated XP and installed the final rollup. All good. I installed the software he owned and all works well. Finally ran IE-6 (I ...
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0answers
121 views

H264 in Firefox on Windows 7 N without Media Feature Pack?

How can I play H264 videos and MP3 audio in Firefox on Windows 7 N Professional without installing Windows Media Feature Pack? I know you can use GStreamer on Linux, but it doesn't work on Windows. ...
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0answers
627 views

Video Converter to H.264 with Nvidia Card using GPU acceleration (WMV to MP4)

I'm currently using an Nvidia 660 GTX trying to convert WMV files to .MP4 (h.264) using 2 pieces of software Xilisoft Video Converter Ultimate (latest version) Aimersoft Video Converter Ultimate ...
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1answer
242 views

Shadowplay vs. NVenc?

I would like to understand the difference bitween NVidia Shadowplay and NVenc. Both allow you to encode videos in h.264 on the fly, but I understood that the first one use a h.264 dedicated chip ...
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0answers
419 views

FFmpeg/avidemux: fix packed B-frames

I'm transcoding some of my old mpeg4 videos (in avi containers) to h.264 with FFmpeg. Basically ffmpeg -i input.avi -c:v libx264 [x264 settings] -c:a libfdk_aac [aac settings] output.mp4 When doing ...
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0answers
112 views

Is it possible to intercept and record h.264 video streaming through my router?

I have a D-Link IP camera streaming h.264 video through my router to the Internet. I want to intercept this video and save it to my NAS. Is this possible? How should I approach this? I should add ...
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1answer
64 views

Concatenate h264 bytestream using cat?

I need to merge few h264 files. Can I do simply trick like this: cat file0.h264 file1.h264 file2.h264 > out.h264 All h264 has the same encoding settings, except resolution and bitrate, and has ...
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1answer
102 views

Capture and encode HDMI signal on FreeBSD

I am looking for a capture PCI-e card to encode HDMI source and stream on network. I want to "share" my HDMI sources to my Raspberry sinks in the LAN. I have found many PCI-e cards, but most of them ...
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0answers
35 views

Transport Sream for H.264 video

I want to know proper standard for transport streams (For H.264 video),my doubts are If size of PES packet is > 65536 then pes_packet_length filed should be zero ?? If PES packet size more than ...
2
votes
1answer
481 views

Encoding H264 with windows ffmpeg results in first few seconds being “blocky”

I am using the following code to transcode a 10mbps high quality 1280x720 H264 mp4 into a lower quality H264 mp4 with our logo watermarked on the video. ffmpeg.exe -i test.mp4 -i watermark.png ...
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0answers
631 views

Difference between downscaling 1080p to 720p in real time and downscaling during encoding?

Suppose a high quality, uncompressed video is re-encoded twice, with almost identical encoding settings at a relatively low bitrate of 4mbps, but at different resolutions, first at 1080p, and then at ...
4
votes
1answer
2k views

Convert AVI into H.264 that works inside an HTML5 Video tag

I would like to convert an existing black and white AVI into an H.264 video that works inside an HTML5 video tag. I'm currently using this ffmpeg command: ffmpeg -i file.avi -y -c:v libx264 ...
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1answer
337 views

Speed up video with FFmpeg with low I-frame distance

I got a video with 60 fps and h264 encoded (.mp4), audio layer is removed. Now I want to speed up the video 4x faster with FFmpeg, but I would like to have a very low I-frame distance to be able to ...
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0answers
83 views

H.264 Pro Recorder Files not closed properly

I have several files that were recorded using a BlackMagic Design H.264 Pro Recorder. It would appear that somewhere in the process, the recorder did not close out the file properly when the ...
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1answer
239 views

Running qtfaststart in a folder containing multiple .mp4's

I have a library of videos, all of which need to be adjusted for web-streaming by putting the moov atom ahead of the rest of the video with qtfaststart. This allows playback to begin before the client ...
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votes
1answer
214 views

Record webcam automated with unknown duration

I need to record (not stream) from my webcam, convert it to H.264 and store it in a mp4-container. With VLC media player I can do this manually with the Open Capture Device menu where I just have to ...
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0answers
365 views

How can I repair a damaged H.264 video stream from a security camera?

I have a security camera file in H.264 format. It cannot be converted due to error messages stating the file is damaged. Is there any way to repair this single 12 MB file so it can be converted to a ...
0
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1answer
394 views

How to check is h264 mp4 file is correct?

I writing applcation which split live stream from web camera to multiple h264 mp4 files. Now I have some problems like missing keyframes and maybe another. Are there any tools to check my output ...
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votes
3answers
1k views

YouTube consistently messes up my video's quality

I'm having trouble encoding a video for YouTube. The content isn't very "compression-friendly" (it's Battlefield 4 gameplay footage), but I'm 100% positive the results could be better. Some links: ...
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votes
0answers
1k views

ffmpeg minimal requirements configuration for encoding and decoding h264 files

I'm trying to compile ffmpeg with minimal requirements in order to encode/decode with h264. So far my command line configuration is : ./configure --disable-yasm --disable-everything ...
3
votes
1answer
995 views

How do I make h.264 work on YouTube on Firefox on Windows 7 64 bit?

Various news articles state that Firefox supports h.264 on Windows since version 20. As of this writing the version is 24, yet Firefox still can't play most YouTube videos. I did the HTML5 opt-in and ...
3
votes
1answer
1k views

Will 128MB video card be enough for Windows 7 Aero with two 720p monitors connected? [closed]

I'm going to buy a replacement AGP video card for parents' decade old Athlon XP 3200+ computer. It has Radeon 9000 with 64MB now. This videocard is crippled under Windows 7 (no WDDM driver) and it ...
3
votes
1answer
1k views

Why doesn't this video play on iOS?

I'm having trouble getting my mp4 video to play on any iOS device. I'm testing on an iPhone with iOS 6 and an iPad running iOS 7. When I upload the video to my server and enter the URL directly on the ...
0
votes
1answer
358 views

Is this possible to do H264 CCTV DVR + FreeNAS + FTP?

Can I use the storage inside H264 CCTV DVR as my NAS (network-attached storage) and use Filezilla to access the files remotely?
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1answer
2k views

ffmpeg stops streaming after 900 seconds from Axis Camera to FLV RTMP

Audio and video works for 900 seconds and then, ffmpeg stops with: video:1889kB audio:1825kB global headers:0kB muxing overhead 2.162866% I stream from an AXIS IP camera through ffmpeg over nginx. ...
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0answers
237 views

video encoder with GPU acc on OS X [closed]

I googled, it seems opencl/cuda is not available in ffmpeg and handbrake. So, is there one tool can convert a video to h.264 or vp8 by GPU acc on OS X(linux can be accepted also)? Thanks.
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1answer
425 views

Cut an H264 video on non-key frames

I would like to extract a scene of a video (audio codec: AAC, video codec: H264). The problem is that the scene doesn't begin on a I key-frame. The software, I have tried (Avidemux, Handbrake or VLC) ...
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votes
1answer
2k views

Google Chrome browser. mp4 h264 goes black sporadically when move on timeline (jump to different frame)

Specs: Windows 7 Professional 64 bit Xeon E31270 3.40 GHz CPU 16 GB of RAM Chrome Version 27.0.1453.116 m NVIDIA Quadro 2000 1GB Total available graphics memory 8938 MB Dedicated graphics memory 1024 ...
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2answers
1k views

H264 decompression/decomposition into JPG - quality issues

I'm trying to decode a 1920x1080 30fps h264 stream. Individual frames look outstanding in VLC media player (pausing the playback), but when I decode using avconv (ffmpeg has been deprecated and ...
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1answer
1k views

ffmpeg video with watermark and subtitle at same time

Hi I want to add watermark png image to video with hardcode substitle .srt file at same time what changes i should do the to following line ffmpeg -i input.mkv -threads 0 -c:v libx264 -crf 28 -preset ...
3
votes
1answer
408 views

mix audio with h264 mp4 video with ffmpeg

I have 2 files : Input #0, wav, from '105426_1.wav': Duration: 00:00:09.98, bitrate: 1312 kb/s Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 41000 Hz, stereo, s16, 1312 kb/s and: ...
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0answers
1k views

optimise FFMPEG live stream THUMBNAIL

After testing many possibilities, I have a perfect command line for creating thumbnails from a live stream: ffmpeg -i rtmp://srvIp/h264.stream -r 1 -an -updatefirst 1 -y thumbnail.jpg It refreshes a ...
2
votes
1answer
625 views

How do I check if a h264 video contains b-frames?

I'm using ffprobe right now but I don't if it supports showing whether the video contains b-frames and what could be the syntax. Can I do this with ffprobe and so, how, or is there any other free ...