KvpValue *
gnc_scm_to_kvp_value_ptr(SCM val)
{
if (scm_is_rational(val))
{
if (scm_is_exact(val) &&
(scm_is_signed_integer(val, INT64_MIN, INT64_MAX) ||
scm_is_unsigned_integer(val, INT64_MIN, INT64_MAX)))
{
return new KvpValue{scm_to_int64(val)};
}
else if (scm_is_exact(val) &&
(scm_is_signed_integer(scm_numerator(val),
INT64_MIN, INT64_MAX) ||
scm_is_unsigned_integer(scm_numerator(val),
INT64_MIN, INT64_MAX)) &&
(scm_is_signed_integer(scm_denominator(val),
INT64_MIN, INT64_MAX) ||
(scm_is_unsigned_integer(scm_denominator(val),
INT64_MIN, INT64_MAX))))
{
return new KvpValue{gnc_scm_to_numeric(val)};
}
else
{
return new KvpValue{scm_to_double(val)};
}
}
else if (gnc_guid_p(val))
{
auto guid = gnc_scm2guid(val);
auto tmpguid = guid_copy(&guid);
return new KvpValue{tmpguid};
}
else if (gnc_timepair_p(val))
{
Timespec ts = gnc_timepair2timespec(val);
return new KvpValue{ts};
}
else if (scm_is_string(val))
{
return new KvpValue{gnc_scm_to_utf8_string(val)};
}
else if (SWIG_IsPointerOfType(val, SWIG_TypeQuery("_p_KvpFrame")))
{
#define FUNC_NAME G_STRFUNC
auto vp_frame = SWIG_MustGetPtr(val,
SWIG_TypeQuery("_p_KvpFrame"), 1, 0);
KvpFrame *frame = static_cast<KvpFrame*>(vp_frame);
#undef FUNC_NAME
return new KvpValue{frame};
}
/* FIXME: add list handler here */
return NULL;
}
static AVCodecContext *configure_output_video_codec(AVStream *video_stream, enum AVCodecID video_codec_id,
SCM scm_video_bit_rate, SCM scm_shape, SCM scm_frame_rate, SCM scm_aspect_ratio)
{
// Get codec context
AVCodecContext *retval = video_stream->codec;
// Set codec id
retval->codec_id = video_codec_id;
retval->codec_type = AVMEDIA_TYPE_VIDEO;
// Set encoder bit rate
retval->bit_rate = scm_to_int(scm_video_bit_rate);
// Set video frame width and height
retval->width = scm_to_int(scm_cadr(scm_shape));
retval->height = scm_to_int(scm_car(scm_shape));
// Set video frame rate
video_stream->avg_frame_rate.num = scm_to_int(scm_numerator(scm_frame_rate));
video_stream->avg_frame_rate.den = scm_to_int(scm_denominator(scm_frame_rate));
video_stream->time_base.num = video_stream->avg_frame_rate.den;
video_stream->time_base.den = video_stream->avg_frame_rate.num;
retval->time_base = video_stream->time_base;
// Set intra frame lower limit
retval->gop_size = 12;
// Set pixel format
retval->pix_fmt = PIX_FMT;
if (retval->codec_id == AV_CODEC_ID_MPEG1VIDEO) retval->mb_decision = 2;
// Set aspect ratio
video_stream->sample_aspect_ratio.num = scm_to_int(scm_numerator(scm_aspect_ratio));
video_stream->sample_aspect_ratio.den = scm_to_int(scm_denominator(scm_aspect_ratio));
retval->sample_aspect_ratio = video_stream->sample_aspect_ratio;
return retval;
}