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libdc1394: return meaninful error codes.

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This commit is contained in:
Anton Khirnov 2011-05-26 17:13:09 +02:00
parent 33e0369672
commit 284bac2e77
1 changed files with 6 additions and 3 deletions
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9
libavdevice/libdc1394.c
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@ -116,6 +116,7 @@ static inline int dc1394_read_common(AVFormatContext *c, AVFormatParameters *ap,
int width = !ap->width ? 320 : ap->width;
int height = !ap->height ? 240 : ap->height;
int frame_rate = !ap->time_base.num ? 30000 : av_rescale(1000, ap->time_base.den, ap->time_base.num);
int ret = 0;
for (fmt = dc1394_frame_formats; fmt->width; fmt++)
if (fmt->pix_fmt == pix_fmt && fmt->width == width && fmt->height == height)
@ -128,13 +129,16 @@ static inline int dc1394_read_common(AVFormatContext *c, AVFormatParameters *ap,
if (!fps->frame_rate || !fmt->width) {
av_log(c, AV_LOG_ERROR, "Can't find matching camera format for %s, %dx%d@%d:1000fps\n", avcodec_get_pix_fmt_name(pix_fmt),
width, height, frame_rate);
ret = AVERROR(EINVAL);
goto out;
}
/* create a video stream */
vst = av_new_stream(c, 0);
if (!vst)
if (!vst) {
ret = AVERROR(ENOMEM);
goto out;
}
av_set_pts_info(vst, 64, 1, 1000);
vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_RAWVIDEO;
@ -156,9 +160,8 @@ static inline int dc1394_read_common(AVFormatContext *c, AVFormatParameters *ap,
vst->codec->bit_rate = av_rescale(dc1394->packet.size * 8, fps->frame_rate, 1000);
*select_fps = fps;
*select_fmt = fmt;
return 0;
out:
return -1;
return ret;
}
#if HAVE_LIBDC1394_1