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v4l2codecs: h264dec: Fix leak on decoding failure

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Given GstVideoCodecFrame and GstH264Picture should be cleared,
and the return must be GST_FLOW_ERROR, not boolean value.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1457>
This commit is contained in:
Seungha Yang 2020-07-23 17:48:56 +09:00
parent 128e533a6e
commit 96b9000289
1 changed files with 10 additions and 5 deletions
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15
sys/v4l2codecs/gstv4l2codech264dec.c
View file

@ -846,6 +846,7 @@ gst_v4l2_codec_h264_dec_output_picture (GstH264Decoder * decoder,
GstVideoCodecFrame * frame, GstH264Picture * picture)
{
GstV4l2CodecH264Dec *self = GST_V4L2_CODEC_H264_DEC (decoder);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstV4l2Request *request = gst_h264_picture_get_user_data (picture);
guint32 frame_num;
GstH264Picture *other_pic;
@ -857,15 +858,13 @@ gst_v4l2_codec_h264_dec_output_picture (GstH264Decoder * decoder,
goto finish_frame;
if (!gst_v4l2_codec_h264_dec_wait (self, request))
return FALSE;
goto error;
while (TRUE) {
if (!gst_v4l2_decoder_dequeue_src (self->decoder, &frame_num)) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoder did not produce a frame"), (NULL));
gst_video_decoder_drop_frame (GST_VIDEO_DECODER (decoder), frame);
gst_h264_picture_unref (picture);
return GST_FLOW_ERROR;
goto error;
}
if (frame_num == picture->system_frame_number)
@ -906,7 +905,13 @@ finish_frame:
gst_video_codec_frame_set_user_data (frame, NULL, NULL);
gst_h264_picture_unref (picture);
return gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
return gst_video_decoder_finish_frame (vdec, frame);
error:
gst_video_decoder_drop_frame (vdec, frame);
gst_h264_picture_unref (picture);
return GST_FLOW_ERROR;
}
static void