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x264enc: detect supported bit depth and pixel formats at runtime

Browse source 
http://bugs.debian.org/667573
https://bugzilla.gnome.org/show_bug.cgi?id=691935
This commit is contained in:
Tim-Philipp Müller 2013-01-23 10:16:51 +00:00 committed by Tim-Philipp Müller
parent 7ffb57d8a1
commit e765deb01b
1 changed files with 100 additions and 54 deletions
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154
ext/x264/gstx264enc.c
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@ -389,57 +389,6 @@ gst_x264_enc_build_tunings_string (GstX264Enc * x264enc)
x264enc->tunings->str);
}
#if X264_BIT_DEPTH == 8
# if X264_CHROMA_FORMAT == 0
# define COLOR_FORMATS "I420, YV12, Y42B, Y444, NV12"
# elif X264_CHROMA_FORMAT == X264_CSP_I420
# define COLOR_FORMATS "I420, YV12, NV12"
# elif X264_CHROMA_FORMAT == X264_CSP_I422
# define COLOR_FORMATS "Y42B"
# elif X264_CHROMA_FORMAT == X264_CSP_I444
# define COLOR_FORMATS "Y444"
# else
# error "Unsupported chroma format"
# endif
#elif X264_BIT_DEPTH == 10
# if G_BYTE_ORDER == G_LITTLE_ENDIAN
# if X264_CHROMA_FORMAT == 0
# define COLOR_FORMATS "I420_10LE, I422_10LE, Y444_10LE"
# elif X264_CHROMA_FORMAT == X264_CSP_I420
# define COLOR_FORMATS "I420_10LE"
# elif X264_CHROMA_FORMAT == X264_CSP_I422
# define COLOR_FORMATS "I422_10LE"
# elif X264_CHROMA_FORMAT == X264_CSP_I444
# define COLOR_FORMATS "Y444_10LE"
# else
# error "Unsupported chroma format"
# endif
# else
# if X264_CHROMA_FORMAT == 0
# define COLOR_FORMATS "I420_10BE, I422_10BE, Y444_10BE"
# elif X264_CHROMA_FORMAT == X264_CSP_I420
# define COLOR_FORMATS "I420_10BE"
# elif X264_CHROMA_FORMAT == X264_CSP_I422
# define COLOR_FORMATS "I422_10BE"
# elif X264_CHROMA_FORMAT == X264_CSP_I444
# define COLOR_FORMATS "Y444_10BE"
# else
# error "Unsupported chroma format"
# endif
# endif
#else
# error "Only 8-bit and 10-bit supported"
#endif
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) { " COLOR_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,
@ -504,13 +453,109 @@ gst_x264_enc_build_partitions (gint analyse)
return (const gchar *) g_string_free (string, FALSE);
}
static void
set_value (GValue * val, gint count, ...)
{
const gchar *fmt = NULL;
GValue sval = G_VALUE_INIT;
va_list ap;
gint i;
g_value_init (&sval, G_TYPE_STRING);
if (count > 1)
g_value_init (val, GST_TYPE_LIST);
va_start (ap, count);
for (i = 0; i < count; i++) {
fmt = va_arg (ap, const gchar *);
g_value_set_string (&sval, fmt);
if (count > 1) {
gst_value_list_append_value (val, &sval);
}
}
va_end (ap);
if (count == 1)
*val = sval;
else
g_value_unset (&sval);
}
static GstCaps *
gst_x264_enc_get_supported_input_caps (void)
{
GValue fmt = G_VALUE_INIT;
GstCaps *caps;
caps = gst_caps_new_empty_simple ("video/x-raw");
if (x264_bit_depth == 8) {
GST_INFO ("This x264 build supports 8-bit depth");
if (x264_chroma_format == 0) {
set_value (&fmt, 5, "I420", "YV12", "Y42B", "Y444", "NV12");
} else if (x264_chroma_format == X264_CSP_I420) {
set_value (&fmt, 3, "I420", "YV12", "NV12");
} else if (x264_chroma_format == X264_CSP_I422) {
set_value (&fmt, 1, "Y42B");
} else if (x264_chroma_format == X264_CSP_I444) {
set_value (&fmt, 1, "Y444");
} else {
GST_ERROR ("Unsupported chroma format %d", x264_chroma_format);
}
} else if (x264_bit_depth == 10) {
GST_INFO ("This x264 build supports 10-bit depth");
if (G_BYTE_ORDER == G_LITTLE_ENDIAN) {
if (x264_chroma_format == 0) {
set_value (&fmt, 3, "I420_10LE", "I422_10LE", "Y444_10LE");
} else if (x264_chroma_format == X264_CSP_I420) {
set_value (&fmt, 1, "I420_10LE");
} else if (x264_chroma_format == X264_CSP_I422) {
set_value (&fmt, 1, "Y422_10LE");
} else if (x264_chroma_format == X264_CSP_I444) {
set_value (&fmt, 1, "Y444_10LE");
} else {
GST_ERROR ("Unsupported chroma format %d", x264_chroma_format);
}
} else {
if (x264_chroma_format == 0) {
set_value (&fmt, 3, "I420_10BE", "I422_10BE", "Y444_10BE");
} else if (x264_chroma_format == X264_CSP_I420) {
set_value (&fmt, 1, "I420_10BE");
} else if (x264_chroma_format == X264_CSP_I422) {
set_value (&fmt, 1, "Y422_10BE");
} else if (x264_chroma_format == X264_CSP_I444) {
set_value (&fmt, 1, "Y444_10BE");
} else {
GST_ERROR ("Unsupported chroma format %d", x264_chroma_format);
}
}
} else {
GST_ERROR ("Unsupported bit depth %d, we only support 8-bit and 10-bit",
x264_bit_depth);
}
if (G_VALUE_TYPE (&fmt) != G_TYPE_INVALID)
gst_structure_take_value (gst_caps_get_structure (caps, 0), "format", &fmt);
gst_caps_set_simple (caps,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
"width", GST_TYPE_INT_RANGE, 16, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 16, G_MAXINT, NULL);
return caps;
}
static void
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 ("");
@ -764,10 +809,11 @@ gst_x264_enc_class_init (GstX264EncClass * klass)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_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