[FFmpeg-devel] [PATCH 6/6] alac: frame multi-threading support
Michael Niedermayer
michaelni at gmx.at
Tue Jun 4 11:50:18 CEST 2013
On Mon, Jun 03, 2013 at 04:47:57PM +0000, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
> libavcodec/alac.c | 13 +++++++++++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
./ffmpeg-new -i alac-in-matroska.mka -t 2 -f framecrc -
0, 0, 0, 4096, 16384, 0x5ba4d20a
0, 36864, 36864, 4096, 16384, 0x05f28187
0, 40960, 40960, 4096, 16384, 0x38b2bd46
0, 45056, 45056, 4096, 16384, 0xef838394
0, 65536, 65536, 4096, 16384, 0xf409eb89
0, 69632, 69632, 4096, 16384, 0xcdd66995
0, 73728, 73728, 4096, 16384, 0x948e9aca
0, 77824, 77824, 4096, 16384, 0x7c0358ff
[framecrc @ 0x1f65ea0] Non-monotonous DTS in output stream 0:0; previous: 77824, current: 32768; changing to 77824. This may result in incorrect timestamps in the output file.
0, 77824, 77824, 4096, 16384, 0x59d1e746
0, 86016, 86016, 4096, 16384, 0x4cfca3d4
vs. with -threads 1
0, 0, 0, 4096, 16384, 0x5ba4d20a
0, 4096, 4096, 4096, 16384, 0x05f28187
0, 8192, 8192, 4096, 16384, 0x38b2bd46
0, 12288, 12288, 4096, 16384, 0xef838394
0, 16384, 16384, 4096, 16384, 0xf409eb89
0, 20480, 20480, 4096, 16384, 0xcdd66995
0, 24576, 24576, 4096, 16384, 0x948e9aca
0, 28672, 28672, 4096, 16384, 0x7c0358ff
0, 32768, 32768, 4096, 16384, 0x59d1e746
0, 36864, 36864, 4096, 16384, 0x4cfca3d4
0, 40960, 40960, 4096, 16384, 0x30e7d12c
0, 45056, 45056, 4096, 16384, 0xf3ed4a7c
0, 49152, 49152, 4096, 16384, 0x10b82c3a
0, 53248, 53248, 4096, 16384, 0xef42ff63
0, 57344, 57344, 4096, 16384, 0x067dd582
0, 61440, 61440, 4096, 16384, 0x93d0e8e7
0, 65536, 65536, 4096, 16384, 0xf44d786e
0, 69632, 69632, 4096, 16384, 0x9fd955ca
0, 73728, 73728, 4096, 16384, 0x24ee3023
0, 77824, 77824, 4096, 16384, 0x4033d7c4
0, 81920, 81920, 4096, 16384, 0x55903ef9
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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