-Original Message-
From: Libav-user On Behalf Of Carl Eugen Hoyos
Sent: Wednesday, January 29, 2020 6:23 PM
To: This list is about using libavcodec, libavformat, libavutil, libavdevice
and libavfilter.
Subject: Re: [Libav-user] Unable to register custom decoder
Am Do., 30. Jan. 2020 u
Hi,
I can open an image sequence that starts at zero using avformat_open_input
successfully.
However, for an image sequence that starts beyond zero, ffmpeg doesn't find
the sequence.
Presumably the start number is required, just like with the ffmpeg cli
program, but I cannot find any documentatio
Am Do., 30. Jan. 2020 um 22:56 Uhr schrieb Jonathan Noble
:
> I can open an image sequence that starts at zero using avformat_open_input
> successfully.
> However, for an image sequence that starts beyond zero, ffmpeg doesn't find
> the sequence.
See -start_number and -start_number_range
Carl
On Thu, 30 Jan 2020 at 22:11, Carl Eugen Hoyos wrote:
> Am Do., 30. Jan. 2020 um 22:56 Uhr schrieb Jonathan Noble
> :
>
> > I can open an image sequence that starts at zero using
> avformat_open_input successfully.
> > However, for an image sequence that starts beyond zero, ffmpeg doesn't
> find
Am Do., 30. Jan. 2020 um 23:34 Uhr schrieb Jonathan Noble
:
>
>
>
> On Thu, 30 Jan 2020 at 22:11, Carl Eugen Hoyos wrote:
>>
>> Am Do., 30. Jan. 2020 um 22:56 Uhr schrieb Jonathan Noble
>> :
>>
>> > I can open an image sequence that starts at zero using avformat_open_input
>> > successfully.
>> >
On Thu, 30 Jan 2020 at 22:34, Jonathan Noble wrote:
>
>
> On Thu, 30 Jan 2020 at 22:11, Carl Eugen Hoyos wrote:
>
>> Am Do., 30. Jan. 2020 um 22:56 Uhr schrieb Jonathan Noble
>> :
>>
>> > I can open an image sequence that starts at zero using
>> avformat_open_input successfully.
>> > However, fo
On 30/1/20 18:50, Jonathan Noble wrote:
What must I do to open an image sequence that doesn't start at zero?
AVDictionary* opts = NULL;
char buf[64];
int64_t frameStart = 20; // your number goes here
sprintf( buf, "%" PRId64, frameStart );
av_dict_set(&opts, "start_number", buf, 0);
// S
