[FFmpeg-devel] Regression problem

[Michael Niedermayer]

On Tue, Sep 23, 2014 at 09:27:57AM +0100, JULIAN GARDNER wrote:
> I seem to be having problems using the ff_load_image routine, with a git pulled build from the beginning of the week, which used to work but is now giving me "failed to decode image file", and this is on a png that has been in use for over a year,
> 
> The code is is based on VSRC_TESTSRC with an addition call to this code
> 
> static int load_image(uint8_t **image_data, int *w, int *h, int *stride,
>                      const char *filename, void *log_ctx)
> {
>     int ret;
>     enum AVPixelFormat pix_fmt;
>     uint8_t *src_data[4], *dst_data[4];
>     int src_linesize[4], dst_linesize[4];
> 
>     av_log( NULL, AV_LOG_WARNING, "load_image %s\n", filename);
> 
>     /* load image from file */
>     if ((ret = ff_load_image(src_data, src_linesize, w, h, &pix_fmt, filename, log_ctx)) < 0)
>         return ret;
> 
>     if ((ret = ff_scale_image(dst_data, dst_linesize, *w, *h, PIXEL_FORMAT,
>                               src_data, src_linesize, *w, *h, pix_fmt,
>                               log_ctx)) < 0)
>         goto end;
> 
>     *stride = dst_linesize[0];
> 
>     /* copy image_data to a newly allocated array */
>     *image_data = av_malloc(*stride * *h);
>     if (!*image_data)
>         ret = AVERROR(ENOMEM);
>     av_image_copy_plane(*image_data, *stride, dst_data[0], dst_linesize[0], *w*4, *h);
> end:
>     av_free(src_data[0]);
>     av_free(dst_data[0]);
> 
>     return ret;
> }
> 
> 
> This used to work but now as I have said give the error message about not being able to decode
> 
> There is nothing in the log, even with  as "-loglevel debug"
> 
> load_image /home/encoder/images/Logo640x360.png
> [AVIOContext @ 0x7fdcf8002580] Statistics: 3713 bytes read, 0 seeks
> [libx264 @ 0x2c63320] frame= 322 QP=12.00 NAL=2 Slice:P Poc:144 I:15   P:524  SKIP:381  size=14355 bytes
> [Parsed_osd_0 @ 0x2c3b200] Failed to decode image from file
> [Parsed_osd_0 @ 0x2c3b200] Error loading image file '/home/encoder/images/Logo640x360.png'

how can this be reproduced ?
can you share the png file ?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato 
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