I am using ffmpeg as below. There are still major sync issues if I write the data to a file instead of streaming it.
Code: Select all
raspivid -o - -t 0 -n -w 1280 -h 720 -fps 25 | ffmpeg -report -probesize 32000 -thread_queue_size 1024 -y -f h264 -r 25 -framerate 25 -i - -thread_queue_size 512 -f alsa -ac 1 -channel_layout mono -i hw:1 -vcodec copy -acodec mp3 -f mpegts udp://44.0.0.95:1234
Code: Select all
ffmpeg started on 2015-06-16 at 09:55:15
Report written to "ffmpeg-20150616-095515.log"
Command line:
ffmpeg -report -probesize 32000 -thread_queue_size 1024 -y -f h264 -r 25 -framerate 25 -i - -thread_queue_size 512 -f alsa -ac 1 -channel_layout mono -i hw:1 -vcodec copy -acodec mp3 -f mpegts udp://44.0.0.95:1234
ffmpeg version N-72834-gfd004e1 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.6 (Debian 4.6.3-14+rpi1)
configuration: --enable-libmp3lame
libavutil 54. 27.100 / 54. 27.100
libavcodec 56. 41.100 / 56. 41.100
libavformat 56. 36.100 / 56. 36.100
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 16.101 / 5. 16.101
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
Splitting the commandline.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Reading option '-probesize' ... matched as AVOption 'probesize' with argument '32000'.
Reading option '-thread_queue_size' ... matched as option 'thread_queue_size' (set the maximum number of queued packets from the demuxer) with argument '1024'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'h264'.
Reading option '-r' ... matched as option 'r' (set frame rate (Hz value, fraction or abbreviation)) with argument '25'.
Reading option '-framerate' ... matched as AVOption 'framerate' with argument '25'.
Reading option '-i' ... matched as input file with argument '-'.
Reading option '-thread_queue_size' ... matched as option 'thread_queue_size' (set the maximum number of queued packets from the demuxer) with argument '512'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'alsa'.
Reading option '-ac' ... matched as option 'ac' (set number of audio channels) with argument '1'.
Reading option '-channel_layout' ... matched as option 'channel_layout' (set channel layout) with argument 'mono'.
Reading option '-i' ... matched as input file with argument 'hw:1'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'copy'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'mp3'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'mpegts'.
Reading option 'udp://44.0.0.95:1234' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input file -.
Applying option thread_queue_size (set the maximum number of queued packets from the demuxer) with argument 1024.
Applying option f (force format) with argument h264.
Applying option r (set frame rate (Hz value, fraction or abbreviation)) with argument 25.
Successfully parsed a group of options.
Opening an input file: -.
[h264 @ 0x21d93c0] Before avformat_find_stream_info() pos: 0 bytes read:4096 seeks:0
[h264 @ 0x21d93c0] Probe buffer size limit of 32000 bytes reached
[h264 @ 0x21d93c0] Stream #0: not enough frames to estimate rate; consider increasing probesize
[h264 @ 0x21d93c0] decoding for stream 0 failed
[h264 @ 0x21d93c0] After avformat_find_stream_info() pos: 33792 bytes read:49152 seeks:0 frames:3
Input #0, h264, from 'pipe:':
Duration: N/A, bitrate: N/A
Stream #0:0, 3, 1/1200000: Video: h264 (High), yuv420p, 1280x720, 25 fps, 25 tbr, 1200k tbn, 50 tbc
Successfully opened the file.
Parsing a group of options: input file hw:1.
Applying option thread_queue_size (set the maximum number of queued packets from the demuxer) with argument 512.
Applying option f (force format) with argument alsa.
Applying option ac (set number of audio channels) with argument 1.
Applying option channel_layout (set channel layout) with argument mono.
Successfully parsed a group of options.
Opening an input file: hw:1.
[alsa @ 0x21ffd00] All info found
Input #1, alsa, from 'hw:1':
Duration: N/A, start: 1434444921.389533, bitrate: 768 kb/s
Stream #1:0, 1, 1/1000000: Audio: pcm_s16le, 48000 Hz, mono, s16, 768 kb/s
Successfully opened the file.
Parsing a group of options: output file udp://44.0.0.95:1234.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument copy.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument mp3.
Applying option f (force format) with argument mpegts.
Successfully parsed a group of options.
Opening an output file: udp://44.0.0.95:1234.
Matched encoder 'libmp3lame' for codec 'mp3'.
Successfully opened the file.
detected 4 logical cores
[graph 0 input from stream 1:0 @ 0x21d1700] Setting 'time_base' to value '1/48000'
[graph 0 input from stream 1:0 @ 0x21d1700] Setting 'sample_rate' to value '48000'
[graph 0 input from stream 1:0 @ 0x21d1700] Setting 'sample_fmt' to value 's16'
[graph 0 input from stream 1:0 @ 0x21d1700] Setting 'channel_layout' to value '0x4'
[graph 0 input from stream 1:0 @ 0x21d1700] tb:1/48000 samplefmt:s16 samplerate:48000 chlayout:0x4
[audio format for output stream 0:1 @ 0x21ca470] Setting 'sample_fmts' to value 's32p|fltp|s16p'
[audio format for output stream 0:1 @ 0x21ca470] Setting 'sample_rates' to value '44100|48000|32000|22050|24000|16000|11025|12000|8000'
[audio format for output stream 0:1 @ 0x21ca470] Setting 'channel_layouts' to value '0x4|0x3'
[audio format for output stream 0:1 @ 0x21ca470] auto-inserting filter 'auto-inserted resampler 0' between the filter 'Parsed_anull_0' and the filter 'audio format for output stream 0:1'
[AVFilterGraph @ 0x21c9ea0] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[auto-inserted resampler 0 @ 0x22436b0] ch:1 chl:mono fmt:s16 r:48000Hz -> ch:1 chl:mono fmt:s16p r:48000Hz
[mpegts @ 0x21eebf0] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt every 40 pkts
Output #0, mpegts, to 'udp://44.0.0.95:1234':
Metadata:
encoder : Lavf56.36.100
Stream #0:0, 0, 1/90000: Video: h264, yuv420p, 1280x720, q=2-31, 25 fps, 25 tbr, 90k tbn, 25 tbc
Stream #0:1, 0, 1/90000: Audio: mp3 (libmp3lame), 48000 Hz, mono, s16p
Metadata:
encoder : Lavc56.41.100 libmp3lame
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp3 (libmp3lame))
frame= 12 fps=0.0 q=-1.0 size= 523kB time=00:00:00.48 bitrate=8917.5kbits/s
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frame= 1827 fps= 25 q=-1.0 size= 79541kB time=00:01:13.08 bitrate=8916.3kbits/s
frame= 1839 fps= 25 q=-1.0 size= 80022kB time=00:01:13.56 bitrate=8911.6kbits/s
frame= 1851 fps= 25 q=-1.0 size= 80521kB time=00:01:14.04 bitrate=8909.1kbits/s
frame= 1864 fps= 25 q=-1.0 size= 81113kB time=00:01:14.56 bitrate=8911.9kbits/s
frame= 1877 fps= 25 q=-1.0 size= 81635kB time=00:01:15.08 bitrate=8907.2kbits/s
frame= 1889 fps= 25 q=-1.0 size= 82101kB time=00:01:15.56 bitrate=8901.1kbits/s
frame= 1902 fps= 25 q=-1.0 size= 82629kB time=00:01:16.08 bitrate=8897.2kbits/s
frame= 1914 fps= 25 q=-1.0 size= 83106kB time=00:01:16.56 bitrate=8892.4kbits/s
frame= 1927 fps= 25 q=-1.0 size= 83777kB time=00:01:17.08 bitrate=8903.8kbits/s
frame= 1940 fps= 25 q=-1.0 size= 84288kB time=00:01:17.60 bitrate=8898.0kbits/s
frame= 1952 fps= 25 q=-1.0 size= 84801kB time=00:01:18.08 bitrate=8897.1kbits/s
frame= 1965 fps= 25 q=-1.0 size= 85332kB time=00:01:18.60 bitrate=8893.7kbits/s
frame= 1977 fps= 25 q=-1.0 size= 85843kB time=00:01:19.08 bitrate=8892.3kbits/s
frame= 1990 fps= 25 q=-1.0 size= 86367kB time=00:01:19.60 bitrate=8888.5kbits/s
frame= 2003 fps= 25 q=-1.0 size= 86871kB time=00:01:20.12 bitrate=8882.3kbits/s
frame= 2015 fps= 25 q=-1.0 size= 87335kB time=00:01:20.60 bitrate=8876.5kbits/s
frame= 2028 fps= 25 q=-1.0 size= 87909kB time=00:01:21.12 bitrate=8877.6kbits/s
frame= 2040 fps= 25 q=-1.0 size= 88428kB time=00:01:21.60 bitrate=8877.4kbits/s
frame= 2053 fps= 25 q=-1.0 size= 89073kB time=00:01:22.12 bitrate=8885.6kbits/s
frame= 2066 fps= 25 q=-1.0 size= 89553kB time=00:01:22.64 bitrate=8877.3kbits/s
frame= 2078 fps= 25 q=-1.0 size= 90024kB time=00:01:23.12 bitrate=8872.5kbits/s
frame= 2091 fps= 25 q=-1.0 size= 90535kB time=00:01:23.64 bitrate=8867.3kbits/s
frame= 2103 fps= 25 q=-1.0 size= 91085kB time=00:01:24.12 bitrate=8870.3kbits/s
frame= 2116 fps= 25 q=-1.0 size= 91625kB time=00:01:24.64 bitrate=8868.0kbits/s
frame= 2129 fps= 25 q=-1.0 size= 92167kB time=00:01:25.16 bitrate=8866.1kbits/s
frame= 2142 fps= 25 q=-1.0 size= 92718kB time=00:01:25.68 bitrate=8864.9kbits/s
frame= 2154 fps= 25 q=-1.0 size= 93219kB time=00:01:26.16 bitrate=8863.2kbits/s
frame= 2166 fps= 25 q=-1.0 size= 93802kB time=00:01:26.64 bitrate=8868.9kbits/s
frame= 2179 fps= 25 q=-1.0 size= 94275kB time=00:01:27.16 bitrate=8860.8kbits/s
frame= 2192 fps= 25 q=-1.0 size= 94806kB time=00:01:27.68 bitrate=8857.8kbits/s
frame= 2204 fps= 25 q=-1.0 size= 95268kB time=00:01:28.16 bitrate=8852.5kbits/s
frame= 2217 fps= 25 q=-1.0 size= 95790kB time=00:01:28.68 bitrate=8848.8kbits/s
frame= 2229 fps= 25 q=-1.0 size= 96343kB time=00:01:29.16 bitrate=8852.0kbits/s
frame= 2242 fps= 25 q=-1.0 size= 96883kB time=00:01:29.68 bitrate=8850.0kbits/s
frame= 2255 fps= 25 q=-1.0 size= 97404kB time=00:01:30.20 bitrate=8846.3kbits/s
frame= 2267 fps= 25 q=-1.0 size= 97868kB time=00:01:30.68 bitrate=8841.4kbits/s
frame= 2280 fps= 25 q=-1.0 size= 98415kB time=00:01:31.20 bitrate=8840.1kbits/s
frame= 2292 fps= 25 q=-1.0 size= 98951kB time=00:01:31.68 bitrate=8841.7kbits/s
frame= 2306 fps= 25 q=-1.0 size= 99512kB time=00:01:32.24 bitrate=8837.9kbits/s
frame= 2318 fps= 25 q=-1.0 size= 100005kB time=00:01:32.72 bitrate=8835.6kbits/s
frame= 2330 fps= 25 q=-1.0 size= 100501kB time=00:01:33.20 bitrate=8833.8kbits/s
frame= 2343 fps= 25 q=-1.0 size= 101089kB time=00:01:33.72 bitrate=8836.1kbits/s
frame= 2355 fps= 25 q=-1.0 size= 101597kB time=00:01:34.20 bitrate=8835.2kbits/s
frame= 2368 fps= 25 q=-1.0 size= 102139kB time=00:01:34.72 bitrate=8833.7kbits/s
frame= 2381 fps= 25 q=-1.0 size= 102659kB time=00:01:35.24 bitrate=8830.1kbits/s
frame= 2393 fps= 25 q=-1.0 size= 103116kB time=00:01:35.72 bitrate=8825.0kbits/s
frame= 2406 fps= 25 q=-1.0 size= 103672kB time=00:01:36.24 bitrate=8824.6kbits/s
frame= 2418 fps= 25 q=-1.0 size= 104180kB time=00:01:36.72 bitrate=8823.8kbits/s
frame= 2431 fps= 25 q=-1.0 size= 104721kB time=00:01:37.24 bitrate=8822.3kbits/s
frame= 2444 fps= 25 q=-1.0 size= 105328kB time=00:01:37.76 bitrate=8826.1kbits/s
frame= 2456 fps= 25 q=-1.0 size= 105892kB time=00:01:38.24 bitrate=8830.1kbits/s
frame= 2469 fps= 25 q=-1.0 size= 106535kB time=00:01:38.76 bitrate=8837.0kbits/s
frame= 2481 fps= 25 q=-1.0 size= 107052kB time=00:01:39.24 bitrate=8836.9kbits/s
frame= 2494 fps= 25 q=-1.0 size= 107698kB time=00:01:39.76 bitrate=8843.8kbits/s
frame= 2507 fps= 25 q=-1.0 size= 108303kB time=00:01:40.28 bitrate=8847.4kbits/s
frame= 2520 fps= 25 q=-1.0 size= 108891kB time=00:01:40.80 bitrate=8849.5kbits/s
frame= 2532 fps= 25 q=-1.0 size= 109461kB time=00:01:41.28 bitrate=8853.7kbits/s
frame= 2544 fps= 25 q=-1.0 size= 109953kB time=00:01:41.76 bitrate=8851.5kbits/s
frame= 2557 fps= 25 q=-1.0 size= 110502kB time=00:01:42.28 bitrate=8850.5kbits/s
frame= 2570 fps= 25 q=-1.0 size= 111025kB time=00:01:42.80 bitrate=8847.5kbits/s
frame= 2582 fps= 25 q=-1.0 size= 111556kB time=00:01:43.28 bitrate=8848.4kbits/s
frame= 2595 fps= 25 q=-1.0 size= 112064kB time=00:01:43.80 bitrate=8844.2kbits/s
frame= 2607 fps= 25 q=-1.0 size= 112562kB time=00:01:44.28 bitrate=8842.6kbits/s
frame= 2620 fps= 25 q=-1.0 size= 113219kB time=00:01:44.80 bitrate=8850.1kbits/s
frame= 2633 fps= 25 q=-1.0 size= 113733kB time=00:01:45.32 bitrate=8846.4kbits/s
frame= 2646 fps= 25 q=-1.0 size= 114344kB time=00:01:45.84 bitrate=8850.2kbits/s
frame= 2658 fps= 25 q=-1.0 size= 114875kB time=00:01:46.32 bitrate=8851.2kbits/s
frame= 2671 fps= 25 q=-1.0 size= 115402kB time=00:01:46.84 bitrate=8848.5kbits/s
frame= 2684 fps= 25 q=-1.0 size= 115953kB time=00:01:47.36 bitrate=8847.7kbits/s
frame= 2696 fps= 25 q=-1.0 size= 116469kB time=00:01:47.84 bitrate=8847.5kbits/s
frame= 2709 fps= 25 q=-1.0 size= 117056kB time=00:01:48.36 bitrate=8849.4kbits/s
frame= 2721 fps= 25 q=-1.0 size= 117538kB time=00:01:48.84 bitrate=8846.7kbits/s
frame= 2734 fps= 25 q=-1.0 size= 118040kB time=00:01:49.36 bitrate=8842.2kbits/s
frame= 2747 fps= 25 q=-1.0 size= 118541kB time=00:01:49.88 bitrate=8837.7kbits/s
frame= 2759 fps= 25 q=-1.0 size= 119000kB time=00:01:50.36 bitrate=8833.3kbits/s
frame= 2771 fps= 25 q=-1.0 size= 119541kB time=00:01:50.84 bitrate=8835.1kbits/s
frame= 2784 fps= 25 q=-1.0 size= 120028kB time=00:01:51.36 bitrate=8829.6kbits/s
frame= 2797 fps= 25 q=-1.0 size= 120573kB time=00:01:51.88 bitrate=8828.5kbits/s
frame= 2810 fps= 25 q=-1.0 size= 121101kB time=00:01:52.40 bitrate=8826.1kbits/s
frame= 2822 fps= 25 q=-1.0 size= 121631kB time=00:01:52.88 bitrate=8827.1kbits/s
frame= 2835 fps= 25 q=-1.0 size= 122186kB time=00:01:53.40 bitrate=8826.7kbits/s
frame= 2847 fps= 25 q=-1.0 size= 122672kB time=00:01:53.88 bitrate=8824.5kbits/s
frame= 2859 fps= 25 q=-1.0 size= 123136kB time=00:01:54.36 bitrate=8820.7kbits/s
frame= 2872 fps= 25 q=-1.0 size= 123672kB time=00:01:54.88 bitrate=8819.0kbits/s
frame= 2885 fps= 25 q=-1.0 size= 124259kB time=00:01:55.40 bitrate=8820.9kbits/s
frame= 2898 fps= 25 q=-1.0 size= 124757kB time=00:01:55.92 bitrate=8816.5kbits/s
frame= 2910 fps= 25 q=-1.0 size= 125218kB time=00:01:56.40 bitrate=8812.6kbits/s
frame= 2923 fps= 25 q=-1.0 size= 125710kB time=00:01:56.92 bitrate=8807.9kbits/s
frame= 2936 fps= 25 q=-1.0 size= 126203kB time=00:01:57.44 bitrate=8803.3kbits/s
frame= 2948 fps= 25 q=-1.0 size= 126755kB time=00:01:57.92 bitrate=8805.8kbits/s
frame= 2961 fps= 25 q=-1.0 size= 127283kB time=00:01:58.44 bitrate=8803.6kbits/s
frame= 2973 fps= 25 q=-1.0 size= 127812kB time=00:01:58.92 bitrate=8804.6kbits/s
frame= 2985 fps= 25 q=-1.0 size= 128380kB time=00:01:59.40 bitrate=8807.8kbits/s
frame= 2999 fps= 25 q=-1.0 size= 128931kB time=00:01:59.96 bitrate=8804.6kbits/s
frame= 3011 fps= 25 q=-1.0 size= 129475kB time=00:02:00.44 bitrate=8806.5kbits/s
frame= 3024 fps= 25 q=-1.0 size= 130008kB time=00:02:00.96 bitrate=8804.8kbits/s
frame= 3036 fps= 25 q=-1.0 size= 130526kB time=00:02:01.44 bitrate=8804.9kbits/s
frame= 3049 fps= 25 q=-1.0 size= 131065kB time=00:02:01.96 bitrate=8803.6kbits/s
frame= 3062 fps= 25 q=-1.0 size= 131654kB time=00:02:02.48 bitrate=8805.6kbits/s
frame= 3074 fps= 25 q=-1.0 size= 132123kB time=00:02:02.96 bitrate=8802.5kbits/s
frame= 3087 fps= 25 q=-1.0 size= 132630kB time=00:02:03.48 bitrate=8799.0kbits/s
frame= 3099 fps= 25 q=-1.0 size= 133106kB time=00:02:03.96 bitrate=8796.4kbits/s
frame= 3112 fps= 25 q=-1.0 size= 133610kB time=00:02:04.48 bitrate=8792.9kbits/s
frame= 3125 fps= 25 q=-1.0 size= 134172kB time=00:02:05.00 bitrate=8793.1kbits/s
frame= 3137 fps= 25 q=-1.0 size= 134617kB time=00:02:05.48 bitrate=8788.5kbits/s
frame= 3150 fps= 25 q=-1.0 size= 135107kB time=00:02:06.00 bitrate=8784.1kbits/s
frame= 3162 fps= 25 q=-1.0 size= 135579kB time=00:02:06.48 bitrate=8781.3kbits/s
frame= 3175 fps= 25 q=-1.0 size= 136134kB time=00:02:07.00 bitrate=8781.2kbits/s
frame= 3188 fps= 25 q=-1.0 size= 136743kB time=00:02:07.52 bitrate=8784.5kbits/s
[libmp3lame @ 0x2253710] Trying to remove 47 more samples than there are in the queue
frame= 3188 fps= 25 q=-1.0 Lsize= 136789kB time=00:02:07.61 bitrate=8781.1kbits/s
video:125507kB audio:997kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 8.130203%
Input file #0 (pipe:):
Input stream #0:0 (video): 3188 packets read (128518751 bytes);
Total: 3188 packets (128518751 bytes) demuxed
Input file #1 (hw:1):
Input stream #1:0 (audio): 103108 packets read (12251124 bytes); 103108 frames decoded (6125562 samples);
Total: 103108 packets (12251124 bytes) demuxed
Output file #0 (udp://44.0.0.95:1234):
Output stream #0:0 (video): 3188 packets muxed (128518751 bytes);
Output stream #0:1 (audio): 5317 frames encoded (6125184 samples); 5318 packets muxed (1021056 bytes);
Total: 8506 packets (129539807 bytes) muxed
103108 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0x21f07a0] Statistics: 0 seeks, 97026 writeouts
[AVIOContext @ 0x21d8e40] Statistics: 130988342 bytes read, 0 seeks
Received signal 2: terminating.