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author | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-22 17:18:02 +0300 |
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committer | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-22 17:18:02 +0300 |
commit | dd8a4b0f8c39803b6a33f4b4bc836cfc66222370 (patch) | |
tree | 32fb5e4b29968caef33ecd449d25288604556dfc /doc/ffmpeg.texi | |
parent | 866a4174dba066780c7be1ebdaa0152161cdf3e0 (diff) | |
parent | fb472e1a11a4e0caed2c3c91da01ea8e35d9e3f8 (diff) |
Merge commit 'fb472e1a11a4e0caed2c3c91da01ea8e35d9e3f8'
* commit 'fb472e1a11a4e0caed2c3c91da01ea8e35d9e3f8':
avconv: add support for Intel QSV-accelerated transcoding
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
Diffstat (limited to 'doc/ffmpeg.texi')
-rw-r--r-- | doc/ffmpeg.texi | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index de496185b7..76ea238463 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -674,6 +674,16 @@ Use VDPAU (Video Decode and Presentation API for Unix) hardware acceleration. @item dxva2 Use DXVA2 (DirectX Video Acceleration) hardware acceleration. + +@item qsv +Use the Intel QuickSync Video acceleration for video transcoding. + +Unlike most other values, this option does not enable accelerated decoding (that +is used automatically whenever a qsv decoder is selected), but accelerated +transcoding, without copying the frames into the system memory. + +For it to work, both the decoder and the encoder must support QSV acceleration +and no filters must be used. @end table This option has no effect if the selected hwaccel is not available or not @@ -700,6 +710,20 @@ is not specified, the value of the @var{DISPLAY} environment variable is used @item dxva2 For DXVA2, this option should contain the number of the display adapter to use. If this option is not specified, the default adapter is used. + +@item qsv +For QSV, this option corresponds to the valus of MFX_IMPL_* . Allowed values +are: +@table @option +@item auto +@item sw +@item hw +@item auto_any +@item hw_any +@item hw2 +@item hw3 +@item hw4 +@end table @end table @item -hwaccels |