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v4l2codecs: gstv4l2decoder: set minimum sizeimage

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Set minimum sizeimage such that there is enough space for any overhead
introduced by the codec.

Notably fix a vp9 issue in which a small image would not have a
bitstream buffer large enough to accomodate it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1012>
This commit is contained in:
Daniel Almeida 2021-04-22 16:29:20 -03:00 committed by GStreamer Marge Bot
parent 120b96a974
commit 285695ee52
1 changed files with 4 additions and 1 deletions
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5
subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2decoder.c
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@ -36,6 +36,8 @@
#include <gst/base/base.h> #include <gst/base/base.h>
#define IMAGE_MINSZ 4096
GST_DEBUG_CATEGORY (v4l2_decoder_debug); GST_DEBUG_CATEGORY (v4l2_decoder_debug);
#define GST_CAT_DEFAULT v4l2_decoder_debug #define GST_CAT_DEFAULT v4l2_decoder_debug
@ -324,8 +326,9 @@ gst_v4l2_decoder_set_sink_fmt (GstV4l2Decoder * self, guint32 pix_fmt,
}, },
}; };
gint ret; gint ret;
/* Using raw image size for now, it is guarantied to be large enough */ /* Using raw image size for now, it is guarantied to be large enough */
gsize sizeimage = (width * height * pixel_bitdepth) / 8; gsize sizeimage = MAX (IMAGE_MINSZ, (width * height * pixel_bitdepth) / 8);
if (self->mplane) if (self->mplane)
format.fmt.pix_mp.plane_fmt[0].sizeimage = sizeimage; format.fmt.pix_mp.plane_fmt[0].sizeimage = sizeimage;