static gboolean
gst_vaapidecode_create(GstVaapiDecode *decode, GstCaps *caps)
{
GstVaapiDisplay *dpy;
if (!gst_vaapidecode_ensure_display(decode))
return FALSE;
dpy = decode->display;
decode->decoder_mutex = g_mutex_new();
if (!decode->decoder_mutex)
return FALSE;
decode->decoder_ready = g_cond_new();
if (!decode->decoder_ready)
return FALSE;
switch (gst_vaapi_codec_from_caps(caps)) {
case GST_VAAPI_CODEC_MPEG2:
decode->decoder = gst_vaapi_decoder_mpeg2_new(dpy, caps);
break;
case GST_VAAPI_CODEC_MPEG4:
case GST_VAAPI_CODEC_H263:
decode->decoder = gst_vaapi_decoder_mpeg4_new(dpy, caps);
break;
case GST_VAAPI_CODEC_H264:
decode->decoder = gst_vaapi_decoder_h264_new(dpy, caps);
break;
case GST_VAAPI_CODEC_WMV3:
case GST_VAAPI_CODEC_VC1:
decode->decoder = gst_vaapi_decoder_vc1_new(dpy, caps);
break;
#if USE_JPEG_DECODER
case GST_VAAPI_CODEC_JPEG:
decode->decoder = gst_vaapi_decoder_jpeg_new(dpy, caps);
break;
#endif
default:
decode->decoder = NULL;
break;
}
if (!decode->decoder)
return FALSE;
g_signal_connect(
G_OBJECT(decode->decoder),
"notify::caps",
G_CALLBACK(gst_vaapi_decoder_notify_caps),
decode
);
decode->decoder_caps = gst_caps_ref(caps);
return TRUE;
}
static gboolean
gst_vaapidecode_reset(GstVaapiDecode *decode, GstCaps *caps)
{
GstVaapiCodec codec;
/* Only reset decoder if codec type changed */
if (decode->decoder && decode->decoder_caps) {
if (gst_caps_is_always_compatible(caps, decode->decoder_caps))
return TRUE;
codec = gst_vaapi_codec_from_caps(caps);
if (codec == gst_vaapi_decoder_get_codec(decode->decoder))
return TRUE;
}
gst_vaapidecode_destroy(decode);
return gst_vaapidecode_create(decode, caps);
}
static gboolean
gst_vaapidecode_reset_full (GstVaapiDecode * decode, GstCaps * caps,
gboolean hard)
{
GstVaapiCodec codec;
/* Reset tracked frame size */
decode->current_frame_size = 0;
if (!hard && decode->decoder && decode->decoder_caps) {
if (gst_caps_is_always_compatible (caps, decode->decoder_caps))
return TRUE;
codec = gst_vaapi_codec_from_caps (caps);
if (codec == gst_vaapi_decoder_get_codec (decode->decoder))
return TRUE;
}
gst_vaapidecode_destroy (decode);
return gst_vaapidecode_create (decode, caps);
}
static gboolean
gst_vaapidecode_create (GstVaapiDecode * decode, GstCaps * caps)
{
GstVaapiDisplay *dpy;
if (!gst_vaapidecode_ensure_display (decode))
return FALSE;
dpy = GST_VAAPI_PLUGIN_BASE_DISPLAY (decode);
switch (gst_vaapi_codec_from_caps (caps)) {
case GST_VAAPI_CODEC_MPEG2:
decode->decoder = gst_vaapi_decoder_mpeg2_new (dpy, caps);
break;
case GST_VAAPI_CODEC_MPEG4:
case GST_VAAPI_CODEC_H263:
decode->decoder = gst_vaapi_decoder_mpeg4_new (dpy, caps);
break;
case GST_VAAPI_CODEC_H264:
decode->decoder = gst_vaapi_decoder_h264_new (dpy, caps);
/* Set the stream buffer alignment for better optimizations */
if (decode->decoder && caps) {
GstStructure *const structure = gst_caps_get_structure (caps, 0);
const gchar *str = NULL;
if ((str = gst_structure_get_string (structure, "alignment"))) {
GstVaapiStreamAlignH264 alignment;
if (g_strcmp0 (str, "au") == 0)
alignment = GST_VAAPI_STREAM_ALIGN_H264_AU;
else if (g_strcmp0 (str, "nal") == 0)
alignment = GST_VAAPI_STREAM_ALIGN_H264_NALU;
else
alignment = GST_VAAPI_STREAM_ALIGN_H264_NONE;
gst_vaapi_decoder_h264_set_alignment (GST_VAAPI_DECODER_H264
(decode->decoder), alignment);
}
}
break;
#if USE_H265_DECODER
case GST_VAAPI_CODEC_H265:
decode->decoder = gst_vaapi_decoder_h265_new (dpy, caps);
/* Set the stream buffer alignment for better optimizations */
if (decode->decoder && caps) {
GstStructure *const structure = gst_caps_get_structure (caps, 0);
const gchar *str = NULL;
if ((str = gst_structure_get_string (structure, "alignment"))) {
GstVaapiStreamAlignH265 alignment;
if (g_strcmp0 (str, "au") == 0)
alignment = GST_VAAPI_STREAM_ALIGN_H265_AU;
else if (g_strcmp0 (str, "nal") == 0)
alignment = GST_VAAPI_STREAM_ALIGN_H265_NALU;
else
alignment = GST_VAAPI_STREAM_ALIGN_H265_NONE;
gst_vaapi_decoder_h265_set_alignment (GST_VAAPI_DECODER_H265
(decode->decoder), alignment);
}
}
break;
#endif
case GST_VAAPI_CODEC_WMV3:
case GST_VAAPI_CODEC_VC1:
decode->decoder = gst_vaapi_decoder_vc1_new (dpy, caps);
break;
#if USE_JPEG_DECODER
case GST_VAAPI_CODEC_JPEG:
decode->decoder = gst_vaapi_decoder_jpeg_new (dpy, caps);
break;
#endif
#if USE_VP8_DECODER
case GST_VAAPI_CODEC_VP8:
decode->decoder = gst_vaapi_decoder_vp8_new (dpy, caps);
break;
#endif
#if USE_VP9_DECODER
case GST_VAAPI_CODEC_VP9:
decode->decoder = gst_vaapi_decoder_vp9_new (dpy, caps);
break;
#endif
default:
decode->decoder = NULL;
break;
}
if (!decode->decoder)
return FALSE;
gst_vaapi_decoder_set_codec_state_changed_func (decode->decoder,
gst_vaapi_decoder_state_changed, decode);
return TRUE;
}