Thanks. I tried that function before, and from what I understand (from
other threads in this mailing list), it doesn't support audio. Is that
correct?
On Wed, Jul 18, 2018 at 3:47 PM, Dan Dennedy <d...@dennedy.org> wrote:
> Use mlt_producer_set_speed() on the tractor (or playlist as seen in
> melted):
> https://www.mltframework.org/doxygen/structmlt__producer__s.html#
> a15cb033f194e160cc9f62ce0b3080ff9
>
> Despite the speed being a double, decimals digits are truncated, and speed
> less than one for slower than realtime are not supported in a default
> build. There is a unsupported build option that makes the mlt_position type
> use double instead of int32_t (define DOUBLE_MLT_POSITION), but there is
> definitely going to be breakage if you use that. Basically, this value is
> added to a frame number-based counter of type mlt_position in the producer.
> Negative values are supported to play in reverse. If you look in
> src/melt/melt.c you can see this function being used.
>
>
>
> On Wed, Jul 18, 2018 at 3:39 PM Steve Rubin <st...@descript.com> wrote:
>
>> I understand that the timewarp producer manipulates a producer's playback
>> rate. Is there a way to adjust the playback rate of a higher order
>> producer, e.g., a playlist or tractor?
>>
>> This would enable a straightforward implementation of a project-level
>> playback speed option in a DAW/NLE (rather than having to do fine-grained
>> management of playback rates on each producer).
>>
>> Thanks,
>> Steve
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