diff options
Diffstat (limited to 'ext/mpeg2enc/gstmpeg2enc.cc')
| -rw-r--r-- | ext/mpeg2enc/gstmpeg2enc.cc | 138 |
1 files changed, 79 insertions, 59 deletions
diff --git a/ext/mpeg2enc/gstmpeg2enc.cc b/ext/mpeg2enc/gstmpeg2enc.cc index ecf101a3..71a41ade 100644 --- a/ext/mpeg2enc/gstmpeg2enc.cc +++ b/ext/mpeg2enc/gstmpeg2enc.cc @@ -25,52 +25,76 @@ #include "gstmpeg2enc.hh" -GST_PAD_TEMPLATE_FACTORY (sink_templ, - "sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_CAPS_NEW ( - "mpeg2enc_sink", - "video/x-raw-yuv", - "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')), - "width", GST_PROPS_INT_RANGE (16, 4096), - "height", GST_PROPS_INT_RANGE (16, 4096), - "framerate", GST_PROPS_LIST ( - GST_PROPS_FLOAT (24/1.001), - GST_PROPS_FLOAT (24.), - GST_PROPS_FLOAT (25.), - GST_PROPS_FLOAT (30/1.001), - GST_PROPS_FLOAT (30.), - GST_PROPS_FLOAT (50.), - GST_PROPS_FLOAT (60/1.001), - GST_PROPS_FLOAT (60.) - ) - ) -) +/* + * We can't use fractions in static pad templates, so + * we do something manual... + */ +static void +add_fps (GstCaps *caps) +{ + GstStructure *structure = gst_caps_get_structure (caps, 0); + GValue list = { 0 }, fps = { 0 }; + gdouble fpss[] = { 24.0/1.001, 24.0, 25.0, + 30.0/1.001, 30.0, 50.0, + 60.0/1.001, 60.0, 0 }; + guint n; + + g_value_init (&list, GST_TYPE_LIST); + g_value_init (&fps, G_TYPE_DOUBLE); + for (n = 0; fpss[n] != 0; n++) { + g_value_set_double (&fps, fpss[n]); + gst_value_list_append_value (&list, &fps); + } + gst_structure_set_value (structure, "framerate", &list); + g_value_unset (&list); + g_value_unset (&fps); +} -GST_PAD_TEMPLATE_FACTORY (src_templ, - "src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_CAPS_NEW ( - "mpeg2enc_src", - "video/mpeg", - "systemstream", GST_PROPS_BOOLEAN (FALSE), - "mpegversion", GST_PROPS_INT_RANGE (1, 2), - "width", GST_PROPS_INT_RANGE (16, 4096), - "height", GST_PROPS_INT_RANGE (16, 4096), - "framerate", GST_PROPS_LIST ( - GST_PROPS_FLOAT (24/1.001), - GST_PROPS_FLOAT (24.), - GST_PROPS_FLOAT (25.), - GST_PROPS_FLOAT (30/1.001), - GST_PROPS_FLOAT (30.), - GST_PROPS_FLOAT (50.), - GST_PROPS_FLOAT (60/1.001), - GST_PROPS_FLOAT (60.) - ) - ) -) +static GstPadTemplate * +sink_templ (void) +{ + static GstPadTemplate *templ = NULL; + + if (!templ) { + GstCaps *caps; + + caps = gst_caps_new_simple ("video/x-raw-yuv", + "format", GST_TYPE_FOURCC, + GST_MAKE_FOURCC ('I','4','2','0'), + "width", GST_TYPE_INT_RANGE, 16, 4096, + "height", GST_TYPE_INT_RANGE, 16, 4096, + NULL); + add_fps (caps); + + templ = gst_pad_template_new ("sink", GST_PAD_SINK, + GST_PAD_ALWAYS, caps); + } + + return templ; +} + +static GstPadTemplate * +src_templ (void) +{ + static GstPadTemplate *templ = NULL; + + if (!templ) { + GstCaps *caps; + + caps = gst_caps_new_simple ("video/mpeg", + "systemstream", G_TYPE_BOOLEAN, FALSE, + "mpegversion", GST_TYPE_INT_RANGE, 1, 2, + "width", GST_TYPE_INT_RANGE, 16, 4096, + "height", GST_TYPE_INT_RANGE, 16, 4096, + NULL); + add_fps (caps); + + templ = gst_pad_template_new ("sink", GST_PAD_SINK, + GST_PAD_ALWAYS, caps); + } + + return templ; +} static void gst_mpeg2enc_base_init (GstMpeg2encClass *klass); static void gst_mpeg2enc_class_init (GstMpeg2encClass *klass); @@ -81,10 +105,9 @@ static void gst_mpeg2enc_loop (GstElement *element); static GstPadLinkReturn gst_mpeg2enc_sink_link (GstPad *pad, - GstCaps *caps); + const GstCaps *caps); static GstCaps * - gst_mpeg2enc_src_getcaps (GstPad *pad, - GstCaps *caps); + gst_mpeg2enc_src_getcaps (GstPad *pad); static GstElementStateReturn gst_mpeg2enc_change_state (GstElement *element); @@ -140,10 +163,8 @@ gst_mpeg2enc_base_init (GstMpeg2encClass *klass) }; GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - gst_element_class_add_pad_template (element_class, - GST_PAD_TEMPLATE_GET (src_templ)); - gst_element_class_add_pad_template (element_class, - GST_PAD_TEMPLATE_GET (sink_templ)); + gst_element_class_add_pad_template (element_class, src_templ ()); + gst_element_class_add_pad_template (element_class, sink_templ ()); gst_element_class_set_details (element_class, &gst_mpeg2enc_details); } @@ -235,12 +256,12 @@ gst_mpeg2enc_loop (GstElement *element) } static GstPadLinkReturn -gst_mpeg2enc_sink_link (GstPad *pad, - GstCaps *caps) +gst_mpeg2enc_sink_link (GstPad *pad, + const GstCaps *caps) { GstMpeg2enc *enc = GST_MPEG2ENC (gst_pad_get_parent (pad)); - if (!GST_CAPS_IS_FIXED (caps)) + if (!gst_caps_is_fixed (caps)) return GST_PAD_LINK_DELAYED; if (enc->encoder) { @@ -252,8 +273,7 @@ gst_mpeg2enc_sink_link (GstPad *pad, } static GstCaps * -gst_mpeg2enc_src_getcaps (GstPad *pad, - GstCaps *caps) +gst_mpeg2enc_src_getcaps (GstPad *pad) { GstMpeg2enc *enc = GST_MPEG2ENC (gst_pad_get_parent (pad)); @@ -261,8 +281,8 @@ gst_mpeg2enc_src_getcaps (GstPad *pad, return enc->encoder->getFormat (); } - return gst_caps_ref (gst_pad_template_get_caps ( - gst_element_get_pad_template (gst_pad_get_parent (pad), "src"))); + return (GstCaps* ) gst_pad_template_get_caps ( + gst_element_get_pad_template (gst_pad_get_parent (pad), "src")); } static void |