[FFmpeg-devel] Regression problem
JULIAN GARDNER
joolzg at btinternet.com
Tue Sep 23 13:37:06 CEST 2014
----- Original Message -----
> From: Michael Niedermayer <michaelni at gmx.at>
> To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
> Cc:
> Sent: Tuesday, 23 September 2014, 12:24
> Subject: Re: [FFmpeg-devel] Regression problem
>
> 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 ?
>
It happens with any png, i just created a simple 100x100 png in gimp and this also fails
joolz
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