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mfc: Check if the hardware is available in GstVideoDecoder::open()
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1 changed files with 24 additions and 0 deletions
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@ -30,6 +30,7 @@
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GST_DEBUG_CATEGORY_STATIC (gst_mfc_dec_debug);
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#define GST_CAT_DEFAULT gst_mfc_dec_debug
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static gboolean gst_mfc_dec_open (GstVideoDecoder * decoder);
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static gboolean gst_mfc_dec_start (GstVideoDecoder * decoder);
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static gboolean gst_mfc_dec_stop (GstVideoDecoder * decoder);
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static gboolean gst_mfc_dec_set_format (GstVideoDecoder * decoder,
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@ -109,6 +110,7 @@ gst_mfc_dec_class_init (GstMFCDecClass * klass)
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"Decode video streams via Samsung Exynos",
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"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
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video_decoder_class->open = GST_DEBUG_FUNCPTR (gst_mfc_dec_open);
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video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_mfc_dec_start);
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video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_mfc_dec_stop);
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video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_mfc_dec_finish);
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@ -132,6 +134,28 @@ gst_mfc_dec_init (GstMFCDec * self)
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gst_video_decoder_set_packetized (decoder, TRUE);
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}
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static gboolean
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gst_mfc_dec_open (GstVideoDecoder * decoder)
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{
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GstMFCDec *self = GST_MFC_DEC (decoder);
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GST_DEBUG_OBJECT (self, "Opening");
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/* Just check here once if we can create a MFC context, i.e.
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* if the hardware is available
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*/
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self->context = mfc_dec_create (CODEC_TYPE_H264, 1);
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if (!self->context) {
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GST_ELEMENT_ERROR (self, LIBRARY, INIT,
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("Failed to initialize MFC decoder context"), (NULL));
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return FALSE;
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}
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mfc_dec_destroy (self->context);
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self->context = NULL;
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return TRUE;
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}
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static gboolean
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gst_mfc_dec_start (GstVideoDecoder * decoder)
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{
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