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v4l2slh264dec: Factor out request wait

Browse source 
This will be reused to wait for previous slices to be complete
when dealing with following slices (in slice decoding mode).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1395>
This commit is contained in:
Nicolas Dufresne 2020-06-29 12:39:08 -04:00
parent 176a860169
commit d65f7de650
1 changed files with 20 additions and 11 deletions
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31
sys/v4l2codecs/gstv4l2codech264dec.c
View file

@ -813,13 +813,30 @@ fail:
return FALSE; return FALSE;
} }
static gboolean
gst_v4l2_codec_h264_dec_wait (GstV4l2CodecH264Dec * self,
GstV4l2Request * request)
{
gint ret = gst_v4l2_request_poll (request, GST_SECOND);
if (ret == 0) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoding frame took too long"), (NULL));
return FALSE;
} else if (ret < 0) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoding request failed: %s", g_strerror (errno)), (NULL));
return FALSE;
}
return TRUE;
}
static GstFlowReturn static GstFlowReturn
gst_v4l2_codec_h264_dec_output_picture (GstH264Decoder * decoder, gst_v4l2_codec_h264_dec_output_picture (GstH264Decoder * decoder,
GstH264Picture * picture) GstH264Picture * picture)
{ {
GstV4l2CodecH264Dec *self = GST_V4L2_CODEC_H264_DEC (decoder); GstV4l2CodecH264Dec *self = GST_V4L2_CODEC_H264_DEC (decoder);
GstV4l2Request *request = gst_h264_picture_get_user_data (picture); GstV4l2Request *request = gst_h264_picture_get_user_data (picture);
gint ret;
guint32 frame_num; guint32 frame_num;
GstVideoCodecFrame *frame, *other_frame; GstVideoCodecFrame *frame, *other_frame;
GstH264Picture *other_pic; GstH264Picture *other_pic;
@ -830,16 +847,8 @@ gst_v4l2_codec_h264_dec_output_picture (GstH264Decoder * decoder,
if (gst_v4l2_request_is_done (request)) if (gst_v4l2_request_is_done (request))
goto finish_frame; goto finish_frame;
ret = gst_v4l2_request_poll (request, GST_SECOND); if (!gst_v4l2_codec_h264_dec_wait (self, request))
if (ret == 0) { return FALSE;
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoding frame took too long"), (NULL));
return GST_FLOW_ERROR;
} else if (ret < 0) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoding request failed: %s", g_strerror (errno)), (NULL));
return GST_FLOW_ERROR;
}
while (TRUE) { while (TRUE) {
if (!gst_v4l2_decoder_dequeue_src (self->decoder, &frame_num)) { if (!gst_v4l2_decoder_dequeue_src (self->decoder, &frame_num)) {