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added encoding pattern property

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Original commit message from CVS:
added encoding pattern property
B-frames don't work
This commit is contained in:
Thomas Vander Stichele 2002-06-01 12:28:28 +00:00
parent 1afe0eed8e
commit 8c348ff580
2 changed files with 21 additions and 3 deletions
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21
ext/libfame/gstlibfame.c
View file

@ -47,6 +47,7 @@ enum {
ARG_FPS,
ARG_QUALITY,
ARG_BITRATE,
ARG_PATTERN,
/* FILL ME */
};
@ -168,6 +169,10 @@ gst_libfame_class_init (GstLibfameClass *klass)
g_param_spec_int ("quality", "Quality",
"Percentage of quality of compression (versus size)",
0, 100, 75, G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property (gobject_class, ARG_PATTERN,
g_param_spec_string ("pattern", "Pattern",
"Encoding pattern of I, P, and B frames",
0, G_PARAM_READWRITE)); /* CHECKME */
}
static GstPadConnectReturn
@ -197,7 +202,8 @@ gst_libfame_sinkconnect (GstPad *pad, GstCaps *caps)
libfame->fp.width = width;
libfame->fp.height = height;
libfame->fp.coding = "I";
libfame->fp.coding = (const char *) libfame->pattern;
g_warning ("Using pattern %s for encoding\n", libfame->fp.coding);
/* FIXME: choose good parameters */
libfame->fp.slices_per_frame = 1;
@ -255,6 +261,7 @@ gst_libfame_init (GstLibfame *libfame)
libfame->fp.frame_rate_den = 1; /* avoid floating point exceptions */
libfame->fp.profile = g_strdup_printf ("mpeg1");
libfame->pattern = g_strdup_printf ("I");
/* allocate space for the buffer */
libfame->buffer_size = LIBFAME_BUFFER_SIZE; /* FIXME */
libfame->buffer = (unsigned char *) g_malloc (libfame->buffer_size);
@ -297,8 +304,8 @@ gst_libfame_chain (GstPad *pad, GstBuffer *buf)
libfame->fy.h = libfame->fp.height;
libfame->fy.p = 0; /* FIXME: is this pointing to previous data ? */
libfame->fy.y = data;
libfame->fy.u = data + libfame->width * libfame->height;
libfame->fy.v = data + 5 * libfame->width * libfame->height / 4;
libfame->fy.u = data + libfame->fp.width * libfame->fp.height;
libfame->fy.v = data + 5 * libfame->fp.width * libfame->fp.height / 4;
fame_start_frame (libfame->fc, &libfame->fy, NULL);
while ((length = fame_encode_slice (libfame->fc)) != 0)
@ -380,6 +387,11 @@ gst_libfame_set_property (GObject *object, guint prop_id,
src->encoder->seq.bit_rate = g_value_get_int (value);
*/
break;
case ARG_PATTERN:
if (src->pattern) g_free (src->pattern);
src->pattern = (gchar *) g_value_get_string (value);
g_warning ("setting pattern to %s\n", src->pattern);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -407,6 +419,9 @@ gst_libfame_get_property (GObject *object, guint prop_id,
g_warning ("You think you WANT to know bitrate ? Think AGAIN !\n");
/* g_value_set_int (value, src->encoder->seq.bit_rate); */
break;
case ARG_PATTERN:
g_value_set_string (value, src->pattern);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

3
ext/libfame/gstlibfame.h
View file

@ -61,6 +61,9 @@ struct _GstLibfame {
/* the size of the output buffer */
gint outsize;
/* encoding pattern string */
gchar *pattern;
/* libfame stuff */
fame_context_t *fc;
fame_parameters_t fp;