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v4l2slh264dec: Fix reading mode and start code type

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These two controls are not pointer based, so we don't need to pass any size or
pointer and need to copy the values afterward. This fixes H264 decoding
regression with Hantro and RKVDEC drivers.

Fixes 037730a787c6cdeeee5779c1834315c1ca764505

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1330>
This commit is contained in:
Nicolas Dufresne 2020-06-09 10:48:06 -04:00
parent 52a82f5b84
commit 483539f45c
1 changed files with 3 additions and 4 deletions
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7
sys/v4l2codecs/gstv4l2codech264dec.c
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@ -115,13 +115,9 @@ gst_v4l2_codec_h264_dec_open (GstVideoDecoder * decoder)
struct v4l2_ext_control control[] = {
{
.id = V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE,
.ptr = &self->decode_mode,
.size = sizeof (self->decode_mode),
},
{
.id = V4L2_CID_MPEG_VIDEO_H264_START_CODE,
.ptr = &self->start_code,
.size = sizeof (self->start_code),
},
};
/* *INDENT-ON* */
@ -141,6 +137,9 @@ gst_v4l2_codec_h264_dec_open (GstVideoDecoder * decoder)
return FALSE;
}
self->decode_mode = control[0].value;
self->start_code = control[1].value;
GST_INFO_OBJECT (self, "Opened H264 %s decoder %s",
is_frame_based (self) ? "frame based" : "slice based",
needs_start_codes (self) ? "using start-codes" : "withouth start-codes");