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x264enc: put all theoretically possible formats in template caps

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and decide at runtime which subset of these (8-bit or 10-bit video
formats) is supported. libx264 will be compiled for one of these
two options, and it is possible to switch by pointing the dynamic
linker to a different libx264 build at runtime. If we want our
template caps to be correct, they should contain all then, with
the actually supported ones determined at runtime.

https://bugzilla.gnome.org/show_bug.cgi?id=691935
This commit is contained in:
Tim-Philipp Müller 2013-02-08 00:11:03 +00:00
parent e765deb01b
commit 201e3f74be
1 changed files with 32 additions and 7 deletions
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39
ext/x264/gstx264enc.c
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@ -389,6 +389,21 @@ gst_x264_enc_build_tunings_string (GstX264Enc * x264enc)
x264enc->tunings->str);
}
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define FORMATS "I420, YV12, Y42B, Y444, NV12, I420_10LE, I422_10LE, Y444_10LE"
#else
#define FORMATS "I420, YV12, Y42B, Y444, NV12, I420_10BE, I422_10BE, Y444_10BE"
#endif
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) { " FORMATS " }, "
"framerate = (fraction) [0, MAX], "
"width = (int) [ 16, MAX ], " "height = (int) [ 16, MAX ]")
);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
@ -544,6 +559,20 @@ gst_x264_enc_get_supported_input_caps (void)
"width", GST_TYPE_INT_RANGE, 16, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 16, G_MAXINT, NULL);
GST_DEBUG ("returning %" GST_PTR_FORMAT, caps);
return caps;
}
/* allowed input caps depending on whether libx264 was built for 8 or 10 bits */
static GstCaps *
gst_x264_enc_sink_getcaps (GstVideoEncoder * enc, GstCaps * filter)
{
GstCaps *supported_incaps, *caps;
supported_incaps = gst_x264_enc_get_supported_input_caps ();
caps = gst_video_encoder_proxy_getcaps (enc, supported_incaps, filter);
gst_caps_unref (supported_incaps);
return caps;
}
@ -553,9 +582,7 @@ gst_x264_enc_class_init (GstX264EncClass * klass)
GObjectClass *gobject_class;
GstElementClass *element_class;
GstVideoEncoderClass *gstencoder_class;
GstPadTemplate *tmpl;
const gchar *partitions = NULL;
GstCaps *caps;
x264enc_defaults = g_string_new ("");
@ -573,6 +600,7 @@ gst_x264_enc_class_init (GstX264EncClass * klass)
GST_DEBUG_FUNCPTR (gst_x264_enc_handle_frame);
gstencoder_class->reset = GST_DEBUG_FUNCPTR (gst_x264_enc_reset);
gstencoder_class->finish = GST_DEBUG_FUNCPTR (gst_x264_enc_finish);
gstencoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_x264_enc_sink_getcaps);
gstencoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_x264_enc_propose_allocation);
@ -807,13 +835,10 @@ gst_x264_enc_class_init (GstX264EncClass * klass)
"Josef Zlomek <josef.zlomek@itonis.tv>, "
"Mark Nauwelaerts <mnauw@users.sf.net>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
caps = gst_x264_enc_get_supported_input_caps ();
tmpl = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
gst_element_class_add_pad_template (element_class, tmpl);
gst_caps_unref (caps);
}
static void