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Stereo master soundtrack
17 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
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ED-ME-5 1-DVD
11 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
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1,000,000
27 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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Demon Seed
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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The Four of Us are Dying
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
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26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
Autres articles (43)
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Les autorisations surchargées par les plugins
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13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
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MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
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Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (10547)
-
seeking with av_seek_frame returns invalid data
27 juin 2016, par mtadmkBased on dranger tutorial I’m trying to implement seeking in video file. Problem is with seeking to beginning milliseconds - it always returns 0 when seeking backward, or some place in file (based on file format).
I.e. with this video file and seeking forward to 500 pts there is always 6163 pts returned. Seeking backward to 500 is always returning 0. I have no idea why.
Code to do this :
import java.util.Arrays;
import java.util.List;
import org.bytedeco.javacpp.BytePointer;
import org.bytedeco.javacpp.DoublePointer;
import org.bytedeco.javacpp.PointerPointer;
import org.bytedeco.javacpp.avcodec;
import org.bytedeco.javacpp.avformat;
import org.bytedeco.javacpp.avutil;
import org.bytedeco.javacpp.swscale;
import static org.bytedeco.javacpp.avcodec.av_free_packet;
import static org.bytedeco.javacpp.avcodec.avcodec_close;
import static org.bytedeco.javacpp.avcodec.avcodec_decode_video2;
import static org.bytedeco.javacpp.avcodec.avcodec_find_decoder;
import static org.bytedeco.javacpp.avcodec.avcodec_flush_buffers;
import static org.bytedeco.javacpp.avcodec.avcodec_open2;
import static org.bytedeco.javacpp.avcodec.avpicture_fill;
import static org.bytedeco.javacpp.avcodec.avpicture_get_size;
import static org.bytedeco.javacpp.avformat.AVSEEK_FLAG_BACKWARD;
import static org.bytedeco.javacpp.avformat.av_dump_format;
import static org.bytedeco.javacpp.avformat.av_read_frame;
import static org.bytedeco.javacpp.avformat.av_register_all;
import static org.bytedeco.javacpp.avformat.av_seek_frame;
import static org.bytedeco.javacpp.avformat.avformat_close_input;
import static org.bytedeco.javacpp.avformat.avformat_find_stream_info;
import static org.bytedeco.javacpp.avformat.avformat_open_input;
import static org.bytedeco.javacpp.avutil.AVMEDIA_TYPE_VIDEO;
import static org.bytedeco.javacpp.avutil.AV_PIX_FMT_RGB24;
import static org.bytedeco.javacpp.avutil.AV_TIME_BASE;
import static org.bytedeco.javacpp.avutil.av_frame_alloc;
import static org.bytedeco.javacpp.avutil.av_frame_get_best_effort_timestamp;
import static org.bytedeco.javacpp.avutil.av_free;
import static org.bytedeco.javacpp.avutil.av_make_q;
import static org.bytedeco.javacpp.avutil.av_malloc;
import static org.bytedeco.javacpp.avutil.av_q2d;
import static org.bytedeco.javacpp.avutil.av_rescale_q;
import static org.bytedeco.javacpp.swscale.SWS_BILINEAR;
import static org.bytedeco.javacpp.swscale.sws_getContext;
import static org.bytedeco.javacpp.swscale.sws_scale;
public class SeekTest1 {
private avformat.AVFormatContext videoFile;
private final avcodec.AVPacket framePacket = new avcodec.AVPacket();
private avcodec.AVCodecContext videoCodec;
private avutil.AVFrame yuvFrame;
private swscale.SwsContext scalingContext;
private avutil.AVFrame rgbFrame;
private int streamId;
private long lastTime;
public static void main(String[] args) {
if (args.length > 0) {
new SeekTest1().start(args[0]);
} else {
new SeekTest1().start("/path/to/file");
}
}
private void start(String path) {
init(path);
//test for forward
// List<integer> seekPos = Arrays.asList(0, 100, 0, 200, 0, 300, 0, 400, 0, 500, 0, 600, 0, 700);
//test for backward
List<integer> seekPos = Arrays.asList(10000, 8000, 10000, 7000, 10000, 6000, 10000, 4000, 10000, 2000, 10000, 1000, 10000, 200);
seekPos.forEach(seekPosition -> {
readFrame();
seek(seekPosition);
});
readFrame();
cleanUp();
}
long seek(long seekPosition) {
final avutil.AVRational timeBase = fetchTimeBase();
long timeInBaseUnit = fetchTimeInBaseUnit(seekPosition, timeBase);
//changing flag to AVSEEK_FLAG_ANY does not change behavior
int flag = 0;
if (timeInBaseUnit < lastTime) {
flag = AVSEEK_FLAG_BACKWARD;
System.out.println("seeking backward to " + timeInBaseUnit);
} else {
System.out.println("seeking forward to " + timeInBaseUnit);
}
avcodec_flush_buffers(videoCodec);
av_seek_frame(videoFile, streamId, timeInBaseUnit, flag);
return timeInBaseUnit;
}
private long fetchTimeInBaseUnit(long seekPositionMillis, avutil.AVRational timeBase) {
return av_rescale_q((long) (seekPositionMillis / 1000.0 * AV_TIME_BASE), av_make_q(1, AV_TIME_BASE), timeBase);
}
private void readFrame() {
while (av_read_frame(videoFile, framePacket) >= 0) {
if (framePacket.stream_index() == streamId) {
// Decode video frame
final int[] frameFinished = new int[1];
avcodec_decode_video2(this.videoCodec, yuvFrame, frameFinished, framePacket);
if (frameFinished[0] != 0) {
av_free_packet(framePacket);
long millis = produceFinishedFrame();
System.out.println("produced time " + millis);
break;
}
}
av_free_packet(framePacket);
}
}
private long produceFinishedFrame() {
sws_scale(scalingContext, yuvFrame.data(), yuvFrame.linesize(), 0,
videoCodec.height(), rgbFrame.data(), rgbFrame.linesize());
final long pts = av_frame_get_best_effort_timestamp(yuvFrame);
final double timeBase = av_q2d(fetchTimeBase());
final long foundMillis = (long) (pts * 1000 * timeBase);
lastTime = foundMillis;
return foundMillis;
}
private avutil.AVRational fetchTimeBase() {
return videoFile.streams(streamId).time_base();
}
private void init(String videoPath) {
final avformat.AVFormatContext videoFile = new avformat.AVFormatContext(null);
av_register_all();
if (avformat_open_input(videoFile, videoPath, null, null) != 0) throw new RuntimeException("unable to open");
if (avformat_find_stream_info(videoFile, (PointerPointer) null) < 0) throw new RuntimeException("Couldn't find stream information");
av_dump_format(videoFile, 0, videoPath, 0);
final int streamId = findFirstVideoStream(videoFile);
final avcodec.AVCodecContext codec = videoFile.streams(streamId).codec();
final avcodec.AVCodec pCodec = avcodec_find_decoder(codec.codec_id());
if (pCodec == null) throw new RuntimeException("Unsupported codec");
if (avcodec_open2(codec, pCodec, (avutil.AVDictionary) null) < 0) throw new RuntimeException("Could not open codec");
final avutil.AVFrame yuvFrame = av_frame_alloc();
final avutil.AVFrame rgbFrame = av_frame_alloc();
if (rgbFrame == null) throw new RuntimeException("Can't allocate avframe");
final int numBytes = avpicture_get_size(AV_PIX_FMT_RGB24, codec.width(), codec.height());
final BytePointer frameBuffer = new BytePointer(av_malloc(numBytes));
final swscale.SwsContext swsContext = sws_getContext(codec.width(), codec.height(), codec.pix_fmt(), codec.width(), codec.height(),
AV_PIX_FMT_RGB24, SWS_BILINEAR, null, null, (DoublePointer) null);
avpicture_fill(new avcodec.AVPicture(rgbFrame), frameBuffer, AV_PIX_FMT_RGB24, codec.width(), codec.height());
this.videoFile = videoFile;
this.videoCodec = codec;
this.yuvFrame = yuvFrame;
this.scalingContext = swsContext;
this.rgbFrame = rgbFrame;
this.streamId = streamId;
}
private static int findFirstVideoStream(avformat.AVFormatContext videoFile) {
int videoStream = -1;
for (int i = 0; i < videoFile.nb_streams(); i++) {
if (videoFile.streams(i).codec().codec_type() == AVMEDIA_TYPE_VIDEO) {
videoStream = i;
break;
}
}
if (videoStream == -1) throw new RuntimeException("Didn't find video stream");
return videoStream;
}
private void cleanUp() {
av_free(this.rgbFrame);
av_free(yuvFrame);
avcodec_close(videoCodec);
avformat_close_input(videoFile);
}
}
</integer></integer>As input arg should be provided file from above.
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Using FFmpeg to encode 2pass mp4
30 juin 2016, par Erin.YangI am trying to use FFmpeg to encode my 4K mp4 file to a 2pass 265 mp4 file for the purposes of testing. I am new to video compression and hope I’m making a simple mistake that someone can correct.
All infos in command line as below :
C:\Ying\FF>C:\Ying\FF\ffmpeg.exe -y -i C:\Ying\FF\Xman-4K_50sec_3840x2160.mp4 -preset veryslow -x265-params pass=1 -vcodec hevc -b:v 15M -acodec libvo
_aacenc -b:a 128K C:\Ying\FF\Xman-4K_3840x2160_50sec_15M_H265_veryslow_2pass.mp4
ffmpeg version N-74286-ge5774f2 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.3 (GCC)
configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontco
nfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-l
ibfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-am
rwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-lib
twolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --en
able-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
libavutil 54. 30.100 / 54. 30.100
libavcodec 56. 57.100 / 56. 57.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 32.100 / 5. 32.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Ying\FF\Xman-4K_50sec_3840x2160.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : X-MEN__DAYS_OF_FUTURE_PAST.Title800
encoder : Lavf56.40.101
Duration: 00:00:50.01, start: 0.000000, bitrate: 11067 kb/s
Chapter #0:0: start 0.000000, end 50.000000
Metadata:
title : (26)01:17:27:726
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 3840x2160 [SAR 1:1 DAR 16:9], 11492 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (de
fault)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574), 0 kb/s
Metadata:
handler_name : SubtitleHandler
x265 [info]: HEVC encoder version 1.7
x265 [info]: build info [Windows][GCC 4.9.2][64 bit] 8bpp
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-5 (Main tier)
x265 [info]: Thread pool created using 32 threads
x265 [info]: frame threads / pool features : 8 / wpp(34 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 3 inter / 3 intra
x265 [info]: ME / range / subpel / merge : dia / 57 / 2 / 1
x265 [info]: Keyframe min / max / scenecut : 25 / 250 / 40
x265 [info]: Lookahead / bframes / badapt : 40 / 8 / 2
x265 [info]: b-pyramid / weightp / weightb / refs: 1 / 1 / 1 / 1
x265 [info]: AQ: mode / str / qg-size / cu-tree : 1 / 1.0 / 64 / 1
x265 [info]: Rate Control / qCompress : ABR-15000 kbps / 0.60
x265 [info]: tools: rd=2 psy-rd=0.30 rdoq=2 psy-rdoq=1.00 early-skip signhide
x265 [info]: tools: tmvp b-intra fast-intra strong-intra-smoothing deblock sao
x265 [info]: tools: stats-write
Output #0, mp4, to 'C:\Ying\FF\Xman-4K_3840x2160_50sec_15M_H265_veryslow_2pass.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : X-MEN__DAYS_OF_FUTURE_PAST.Title800
encoder : Lavf56.40.101
Chapter #0:0: start 0.000000, end 50.000000
Metadata:
title : (26)01:17:27:726
Stream #0:0(und): Video: hevc (libx265) ([35][0][0][0] / 0x0023), yuv420p, 3840x2160 [SAR 1:1 DAR 16:9], q=2-31, 15000 kb/s, 30 fps, 15360 tbn, 30
tbc (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc56.57.100 libx265
Stream #0:1(und): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, s16, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
encoder : Lavc56.57.100 libvo_aacenc
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
Stream #0:1 -> #0:1 (aac (native) -> aac (libvo_aacenc))
Press [q] to stop, [?] for help
frame= 1502 fps=2.6 q=-0.0 Lsize= 100652kB time=00:00:50.01 bitrate=16485.9kbits/s dup=75 drop=0
video:99814kB audio:782kB subtitle:0kB other streams:0kB global headers:1kB muxing overhead: 0.054657%
x265 [info]: frame I: 11, Avg QP:13.26 kb/s: 59293.48
x265 [info]: frame P: 443, Avg QP:15.21 kb/s: 33977.10
x265 [info]: frame B: 1048, Avg QP:18.35 kb/s: 8420.64
x265 [info]: global : 1502, Avg QP:17.39 kb/s: 16330.84
x265 [info]: Weighted P-Frames: Y:4.5% UV:4.5%
x265 [info]: Weighted B-Frames: Y:1.9% UV:1.6%
x265 [info]: consecutive B-frames: 23.8% 11.9% 14.8% 22.9% 17.8% 7.0% 0.0% 0.0% 1.8%
C:\Ying\FF>C:\Ying\FF\ffmpeg.exe -y -i C:\Ying\FF\Xman-4K_50sec_3840x2160.mp4 -preset veryslow -x265-params pass=2 -vcodec hevc -b:v 15M -acodec libvo
_aacenc -b:a 128K C:\Ying\FF\Xman-4K_3840x2160_50sec_15M_H265_veryslow_2pass.mp4
ffmpeg version N-74286-ge5774f2 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.3 (GCC)
configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontco
nfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-l
ibfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-am
rwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-lib
twolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --en
able-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
libavutil 54. 30.100 / 54. 30.100
libavcodec 56. 57.100 / 56. 57.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 32.100 / 5. 32.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Ying\FF\Xman-4K_50sec_3840x2160.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : X-MEN__DAYS_OF_FUTURE_PAST.Title800
encoder : Lavf56.40.101
Duration: 00:00:50.01, start: 0.000000, bitrate: 11067 kb/s
Chapter #0:0: start 0.000000, end 50.000000
Metadata:
title : (26)01:17:27:726
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 3840x2160 [SAR 1:1 DAR 16:9], 11492 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (de
fault)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574), 0 kb/s
Metadata:
handler_name : SubtitleHandler
x265 [info]: HEVC encoder version 1.7
x265 [info]: build info [Windows][GCC 4.9.2][64 bit] 8bpp
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-6 (Main tier)
x265 [info]: Thread pool created using 32 threads
x265 [info]: frame threads / pool features : 8 / wpp(34 rows)
x265 [error]: statistics are damaged at line 1495, parser out=1
[libx265 @ 0000000001e97d00] Cannot open libx265 encoder.
Output #0, mp4, to 'C:\Ying\FF\Xman-4K_3840x2160_50sec_15M_H265_veryslow_2pass.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : X-MEN__DAYS_OF_FUTURE_PAST.Title800
encoder : Lavf56.40.101
Chapter #0:0: start 0.000000, end 50.000000
Metadata:
title : (26)01:17:27:726
Stream #0:0(und): Video: hevc, none, q=2-31, 128 kb/s, SAR 1:1 DAR 0:0, 30 fps (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc56.57.100 libx265
Stream #0:1(und): Audio: aac, 0 channels, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
encoder : Lavc56.57.100 libvo_aacenc
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
Stream #0:1 -> #0:1 (aac (native) -> aac (libvo_aacenc))
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or heightMediaInfo :
General
Complete name : E:\4K\2ndRound\Xman-4K_50sec_3840x2160.mp4.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 66.0 MiB
Duration : 50s 6ms
Overall bit rate : 11.1 Mbps
Movie name : X-MEN__DAYS_OF_FUTURE_PAST.Title800
Writing application : Lavf56.40.101
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L5.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 47s 567ms
Bit rate : 11.5 Mbps
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 30.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.046
Stream size : 65.2 MiB (99%)
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 50s 6ms
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 781 KiB (1%)
Menu #1
ID : 3
Codec ID : text
Duration : 50s 0ms
Language : English
Menu #2
00:00:00.000 : (26)01:17:27:726
-
how to use a video stream as input in python/opencv programme
11 juillet 2016, par vasu guptaI am able to stream and receive webcam feed in two terminal via udp
command for streaming :
ffmpeg -i /dev/video0 -b 50k -r 20 -s 858x500 -f mpegts udp://127.0.0.1:2000command for recieving :
ffplay udp://127.0.0.1:2000Now i have to use this received video stream as input in python/opencv how can i do that.
I will be doing this using rtp and rstp as well.
But in case of rtsp it is essential to initiate the receiving terminal, but if I do that then port will become busy and my program will not be able to take the feed.How could it be resolved.
I am currently using opencv 2.4.13, python 2.7 in ubuntu 14.04
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