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assrender: Fix compilation with libass >= 0.9.7 and fix aspect ratio setting

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Fixes bug #575261.
This commit is contained in:
Sebastian Dröge 2009-08-31 09:11:34 +02:00
parent 53128c5b4f
commit 55cdea8e7a
3 changed files with 28 additions and 7 deletions
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2
configure.ac
View file

@ -482,7 +482,7 @@ AG_GST_CHECK_FEATURE(ALSA, [alsa plug-ins], gstalsa, [
dnl *** assrender ***
translit(dnm, m, l) AM_CONDITIONAL(USE_ASSRENDER, true)
AG_GST_CHECK_FEATURE(ASSRENDER, [ASS/SSA renderer], assrender, [
PKG_CHECK_MODULES(ASSRENDER, libass >= 0.9.4 libass < 0.9.7, [
PKG_CHECK_MODULES(ASSRENDER, libass >= 0.9.4, [
HAVE_ASSRENDER="yes" ], [
HAVE_ASSRENDER="no"
AC_MSG_RESULT(no)

20
ext/assrender/gstassrender.c
View file

@ -295,15 +295,29 @@ gst_assrender_setcaps_video (GstPad * pad, GstCaps * caps)
if (gst_structure_get_int (structure, "width", &render->width) &&
gst_structure_get_int (structure, "height", &render->height)) {
gdouble dar;
ret = gst_pad_set_caps (render->srcpad, caps);
ass_set_frame_size (render->ass_renderer, render->width, render->height);
/* FIXME: Does this expect aspect ratio or pixel aspect ratio? */
dar = (((gdouble) par_n) * ((gdouble) render->width));
dar /= (((gdouble) par_d) * ((gdouble) render->height));
#if !defined(LIBASS_VERSION) || LIBASS_VERSION < 0x00907010
ass_set_aspect_ratio (render->ass_renderer, dar);
#else
ass_set_aspect_ratio (render->ass_renderer,
((gdouble) par_n) / ((gdouble) par_d));
dar, ((gdouble) render->width) / ((gdouble) render->height));
#endif
ass_set_font_scale (render->ass_renderer, 1.0);
ass_set_hinting (render->ass_renderer, ASS_HINTING_NATIVE);
#if !defined(LIBASS_VERSION) || LIBASS_VERSION < 0x00907010
ass_set_fonts (render->ass_renderer, "Arial", "sans-serif");
ass_set_fonts (render->ass_renderer, NULL, "Sans");
#else
ass_set_fonts (render->ass_renderer, "Arial", "sans-serif", 1, NULL, 1);
ass_set_fonts (render->ass_renderer, NULL, "Sans", 1, NULL, 1);
#endif
ass_set_margins (render->ass_renderer, 0, 0, 0, 0);
ass_set_use_margins (render->ass_renderer, 0);
@ -383,7 +397,7 @@ gst_assrender_chain_video (GstPad * pad, GstBuffer * buffer)
gint64 start, stop, clip_start = 0, clip_stop = 0;
double timestamp;
double step;
ass_image_t *ass_image;
ASS_Image *ass_image;
render = GST_ASSRENDER (GST_PAD_PARENT (pad));

13
ext/assrender/gstassrender.h
View file

@ -26,6 +26,13 @@
G_BEGIN_DECLS
#if !defined(LIBASS_VERSION) || LIBASS_VERSION < 0x00907010
#define ASS_Library ass_library_t
#define ASS_Renderer ass_renderer_t
#define ASS_Track ass_track_t
#define ASS_Image ass_image_t
#endif
#define GST_TYPE_ASSRENDER (gst_assrender_get_type())
#define GST_ASSRENDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ASSRENDER,Gstassrender))
#define GST_ASSRENDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ASSRENDER,GstassrenderClass))
@ -44,9 +51,9 @@ struct _Gstassrender
gint width, height;
ass_library_t *ass_library;
ass_renderer_t *ass_renderer;
ass_track_t *ass_track;
ASS_Library *ass_library;
ASS_Renderer *ass_renderer;
ASS_Track *ass_track;
gboolean renderer_init_ok, track_init_ok, enable, embeddedfonts;
};