Thanks Andrey. I did try it with ffmpeg, and I received the same
results. The [I1] (ashowinfo @...A80) input data is periodically left
in the source buffer. [See n=20 below).
>> ./ffmpeg.exe -f lavfi -i "amovie=../../Sessions/scenarios.mpg,
aresample=44100, ashowinfo, aconvert=s16:stereo [med];
amovie=../../Sessions/training.avi, ashowinfo, aconvert=s16:stereo
[cap]; [med] [cap] amerge, aconvert=s16:stereo" -y
"../../NetworkExport/output.avi"
ffmpeg version N-38622-g1eabd71 Copyright (c) 2000-2012 the FFmpeg
developers
built on Mar 7 2012 00:19:36 with gcc 4.6.2
configuration: --disable-static --enable-shared --enable-gpl
--enable-version3 --disable-w32threads --enable-runtime-cpudetect
--enable-avisynth --enable-bzlib --enable-frei0r
--enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libfreetype --enable-libgsm --enable-libmp3lame
--enable-libopenjpeg --enable-librtmp --enable-libschroedinger
--enable-libspeex --enable-libtheora --enable-libvo-aacenc
--enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
--enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 51. 42.100 / 51. 42.100
libavcodec 54. 10.100 / 54. 10.100
libavformat 54. 2.100 / 54. 2.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 63.100 / 2. 63.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
libpostproc 52. 0.100 / 52. 0.100
[amovie @ 013D7F00] seek_point:0 format_name:(null)
file_name:../../Sessions/scenarios.mpg stream_index:1
[amovie @ 01D01280] seek_point:0 format_name:(null)
file_name:../../Sessions/training.avi stream_index:1
[amerge @ 01A80940] Inputs overlap: output layout will be meaningless
[aresample @ 013D7DE0] r:48000Hz -> r:44100Hz
[aconvert @ 013E0DA0] fmt:s16 cl:stereo planar:0 -> fmt:s16 cl:stereo
planar:0
[aconvert @ 013E32C0] fmt:s16 cl:stereo planar:0 -> fmt:s16 cl:stereo
planar:0
[amerge @ 01A80940] in1:stereo + in2:stereo -> out:4.0
[aconvert @ 01D01200] fmt:s16 cl:4.0 planar:0 -> fmt:s16 cl:stereo planar:0
[ashowinfo @ 013E0A80] n:0 pts:17643 pts_time:0.400068 pos:4110 fmt:s16
chlayout:stereo nb_samples:1049 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:0 pts:0 pts_time:0 pos:1362952 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:72FFE706
plane_checksum[72FFE706]
[lavfi @ 013D7220] Estimating duration from bitrate, this may be inaccurate
Input #0, lavfi, from 'amovie=../../Sessions/scenarios.mpg,
aresample=44100, ashowinfo, aconvert=s16:stereo [med];
amovie=../../Sessions/training.avi, ashowinfo, aconvert=s16:stereo
[cap]; [med] [cap] amerge, aconvert=s16:stereo':
Duration: N/A, start: 0.400068, bitrate: 1411 kb/s
Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Output #0, avi, to '../../NetworkExport/output.avi':
Metadata:
ISFT : Lavf54.2.100
Stream #0:0: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo, s16
Stream mapping:
Stream #0:0 -> #0:0 (pcm_s16le -> libmp3lame)
Press [q] to stop, [?] for help
[ashowinfo @ 01401F60] n:1 pts:1024 pts_time:0.02322 pos:1367048 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:CB67FD2A
plane_checksum[CB67FD2A]
[ashowinfo @ 013E0A80] n:1 pts:19627 pts_time:0.445057 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:2 pts:2048 pts_time:0.0464399 pos:1371144
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:93DAEE5A plane_checksum[93DAEE5A]
[ashowinfo @ 013E0A80] n:2 pts:21612 pts_time:0.490068 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:3 pts:3072 pts_time:0.0696599 pos:1375240
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:9BDEF3E2 plane_checksum[9BDEF3E2]
[ashowinfo @ 013E0A80] n:3 pts:23596 pts_time:0.535057 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:4 pts:4096 pts_time:0.0928798 pos:1379336
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:20030CC6 plane_checksum[20030CC6]
[ashowinfo @ 013E0A80] n:4 pts:25581 pts_time:0.580068 pos:251918
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:5 pts:5120 pts_time:0.1161 pos:1383432 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:2042BA79
plane_checksum[2042BA79]
[ashowinfo @ 013E0A80] n:5 pts:27565 pts_time:0.625057 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:6 pts:6144 pts_time:0.13932 pos:1387528 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:280F9C2E
plane_checksum[280F9C2E]
[ashowinfo @ 013E0A80] n:6 pts:29550 pts_time:0.670068 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:7 pts:7168 pts_time:0.16254 pos:1391624 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:BD63982C
plane_checksum[BD63982C]
[ashowinfo @ 013E0A80] n:7 pts:31534 pts_time:0.715057 pos:260110
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:8 pts:8192 pts_time:0.18576 pos:1395720 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:D3FAB985
plane_checksum[D3FAB985]
[ashowinfo @ 013E0A80] n:8 pts:33519 pts_time:0.760068 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:9 pts:9216 pts_time:0.20898 pos:1399816 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:EAECE1FC
plane_checksum[EAECE1FC]
[ashowinfo @ 013E0A80] n:9 pts:35503 pts_time:0.805057 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:10 pts:10240 pts_time:0.2322 pos:1403912
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:1B80E183 plane_checksum[1B80E183]
[ashowinfo @ 013E0A80] n:10 pts:37488 pts_time:0.850068 pos:331790
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:11 pts:11264 pts_time:0.25542 pos:1408008
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:D178E6F8 plane_checksum[D178E6F8]
[ashowinfo @ 013E0A80] n:11 pts:39472 pts_time:0.895057 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:12 pts:12288 pts_time:0.278639 pos:1412104
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:57C4CE5A plane_checksum[57C4CE5A]
[ashowinfo @ 013E0A80] n:12 pts:41457 pts_time:0.940068 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:13 pts:13312 pts_time:0.301859 pos:1416200
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:B87EC992 plane_checksum[B87EC992]
[ashowinfo @ 013E0A80] n:13 pts:43441 pts_time:0.985057 pos:403470
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:14 pts:14336 pts_time:0.325079 pos:1420296
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:70FCD358 plane_checksum[70FCD358]
[ashowinfo @ 013E0A80] n:14 pts:45426 pts_time:1.03007 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:15 pts:15360 pts_time:0.348299 pos:1424392
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:D5A92B09 plane_checksum[D5A92B09]
[ashowinfo @ 013E0A80] n:15 pts:47410 pts_time:1.07506 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:16 pts:16384 pts_time:0.371519 pos:1428488
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:8A1AA587 plane_checksum[8A1AA587]
[ashowinfo @ 013E0A80] n:16 pts:49395 pts_time:1.12007 pos:479246
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:17 pts:17408 pts_time:0.394739 pos:1432584
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:4E684C76 plane_checksum[4E684C76]
[ashowinfo @ 013E0A80] n:17 pts:51379 pts_time:1.16506 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:18 pts:18432 pts_time:0.417959 pos:1436680
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:FF14DA89 plane_checksum[FF14DA89]
[ashowinfo @ 013E0A80] n:18 pts:53364 pts_time:1.21007 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:19 pts:19456 pts_time:0.441179 pos:1440776
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:CFB99FDB plane_checksum[CFB99FDB]
[ashowinfo @ 013E0A80] n:19 pts:55348 pts_time:1.25506 pos:546830
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:20 pts:20480 pts_time:0.464399 pos:1444872
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:AB467A3B plane_checksum[AB467A3B]
[ashowinfo @ 013E0A80] n:20 pts:57333 pts_time:1.30007 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:21 pts:21504 pts_time:0.487619 pos:1448968
fmt:s16 chlayout:stereo nb_samples:546 rate:44100 planar:0
checksum:E22FBFC2 plane_checksum[E22FBFC2]
[ashowinfo @ 01401F60] n:22 pts:22050 pts_time:0.5 pos:3763208 fmt:s16
chlayout:stereo nb_samples:1024 rate:44100 planar:0 checksum:1277853A
plane_checksum[1277853A]
[ashowinfo @ 013E0A80] n:21 pts:59317 pts_time:1.34506 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:23 pts:23074 pts_time:0.52322 pos:3767304
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:9564318C plane_checksum[9564318C]
[ashowinfo @ 013E0A80] n:22 pts:61302 pts_time:1.39007 pos:614414
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:24 pts:24098 pts_time:0.54644 pos:3771400
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:6CE0F731 plane_checksum[6CE0F731]
[ashowinfo @ 013E0A80] n:23 pts:63286 pts_time:1.43506 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:25 pts:25122 pts_time:0.56966 pos:3775496
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:4FBB7809 plane_checksum[4FBB7809]
[ashowinfo @ 013E0A80] n:24 pts:65271 pts_time:1.48007 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:26 pts:26146 pts_time:0.59288 pos:3779592
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:28EA635E plane_checksum[28EA635E]
[ashowinfo @ 013E0A80] n:25 pts:67255 pts_time:1.52506 pos:681998
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:27 pts:27170 pts_time:0.6161 pos:3783688
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:DCF2DB9A plane_checksum[DCF2DB9A]
[ashowinfo @ 013E0A80] n:26 pts:69240 pts_time:1.57007 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:28 pts:28194 pts_time:0.63932 pos:3787784
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:DD3FD822 plane_checksum[DD3FD822]
[ashowinfo @ 013E0A80] n:27 pts:71224 pts_time:1.61506 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
[ashowinfo @ 01401F60] n:29 pts:29218 pts_time:0.66254 pos:3791880
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:CAACC73A plane_checksum[CAACC73A]
[ashowinfo @ 013E0A80] n:28 pts:73209 pts_time:1.66007 pos:753678
fmt:s16 chlayout:stereo nb_samples:1058 rate:44100 planar:0
checksum:00000000 plane_checksum[00000000]
[ashowinfo @ 01401F60] n:30 pts:30242 pts_time:0.68576 pos:3795976
fmt:s16 chlayout:stereo nb_samples:1024 rate:44100 planar:0
checksum:643EB023 plane_checksum[643EB023]
[ashowinfo @ 013E0A80] n:29 pts:75193 pts_time:1.70506 pos:-1 fmt:s16
chlayout:stereo nb_samples:1058 rate:44100 planar:0 checksum:00000000
plane_checksum[00000000]
On 4/6/2012 1:39 AM, Andrey Utkin wrote:
2012/4/5 Bryan Stewart<[email protected]>:
I am trying to merge two audio streams with different sample rates in to a
single s16 stereo stream:
-lavfi "[I1] aresample=44100, ashowinfo, aconvert=s16:stereo [L1];
[I2] aresample=44100, ashowinfo, aconvert=s16:stereo [L2];
[L1] [l2] amerge, aconvert=s16:stereo [out]"
Did you try it with ffmpeg utility? Just to check that it's not ffmpeg
internal problem.
--
#-----------------------------------------------------------------#
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