[FFmpeg-devel] FFv1.3: Problem with SGI rgb48e -> FFv1 rgb0

Peter B. pb at das-werkstatt.com
Wed Oct 17 05:06:42 CEST 2012

On 10/17/2012 03:16 AM, Michael Niedermayer wrote:
> On Tue, Oct 16, 2012 at 08:52:58PM +0000, Carl Eugen Hoyos wrote:
>> Peter B. <pb <at> das-werkstatt.com> writes:
>>> I'm running FFv1.3 tests on the SGI image files (RGB48) from the SVT
>>> collection [1], and as FFv1 doesn't support rgb48be at the moment, I've
>>> tried converting it to e.g. rgb0.
>>> When converting the SGI image sequence from SVT to FFv1.3, only the left
>>> half of the image is actually displayed when watching the video using
>>> ffplay. The size of the shown video depends on how many slices are used.
>> The problem is reproducible with the following command:
>> $ ./ffmpeg -i tests/lena.pnm -pix_fmt rgb0 -vcodec ffv1 -level 3 
>> -strict -2 test.avi
> fixed
Confirmed for bgr0 files.
Running regression tests on SVT's 576i25 material now.

Is there any way to confirm the correctness of FFv1.3's output data
using framemd5?
I've tried again by comparing the bgr0-ffv1 framemd5 with the
sgi-framemd5 force to -pix_fmt bgr0, but they don't match.


More information about the ffmpeg-devel mailing list