Revision: 73
Author: skilvington
Date: 2006-05-22 05:58:15 -0700 (Mon, 22 May 2006)
ViewCVS: http://svn.sourceforge.net/redbutton/?rev=73&view=rev
Log Message:
-----------
allow video to change size mid-stream
Modified Paths:
--------------
redbutton-browser/trunk/MHEGVideoOutput.c
Modified: redbutton-browser/trunk/MHEGVideoOutput.c
===================================================================
--- redbutton-browser/trunk/MHEGVideoOutput.c 2006-05-22 12:49:25 UTC (rev 72)
+++ redbutton-browser/trunk/MHEGVideoOutput.c 2006-05-22 12:58:15 UTC (rev 73)
@@ -20,6 +20,7 @@
void x11_shm_drawFrame(MHEGVideoOutput *, int, int);
static void x11_shm_create_frame(MHEGVideoOutput *, unsigned int, unsigned int);
+static void x11_shm_resize_frame(MHEGVideoOutput *, unsigned int, unsigned int);
static void x11_shm_destroy_frame(MHEGVideoOutput *);
static enum PixelFormat find_av_pix_fmt(int, unsigned long, unsigned long, unsigned long);
@@ -85,18 +86,19 @@
AVPicture *yuv_frame;
int tmpbuf_size;
- /* see if the output size has changed since the last frame */
-/* TODO if it has, delete the old one or just resize shm etc */
-/* will also need to delete resize_ctx */
-
+ /* have we create the output frame yet */
if(v->current_frame == NULL)
x11_shm_create_frame(v, out_width, out_height);
+ /* see if the output size has changed since the last frame */
+ if(v->current_frame->width != out_width || v->current_frame->height != out_height)
+ x11_shm_resize_frame(v, out_width, out_height);
+
/* see if the input size is different than the output size */
if(f->width != out_width || f->height != out_height)
{
/* TODO */
-/* need to change resize_ctx if vf->width or vf->height have changed since last time */
+/* need to change resize_ctx if the input or output sizes have changed since last time */
/* dont forget: img_resample_close(resize_ctx); */
/* and to free or realloc tmpbuf_data */
if(v->resize_ctx == NULL)
@@ -182,6 +184,21 @@
}
static void
+x11_shm_resize_frame(MHEGVideoOutput *v, unsigned int out_width, unsigned int out_height)
+{
+/* TODO */
+/* better if create_frame makes the max size shm we will need (ie d->xres, d->yres) */
+/* then this just updates the XImage and AVFrame params in current_frame and rgb_frame */
+
+ if(v->current_frame != NULL)
+ x11_shm_destroy_frame(v);
+
+ x11_shm_create_frame(v, out_width, out_height);
+
+ return;
+}
+
+static void
x11_shm_destroy_frame(MHEGVideoOutput *v)
{
MHEGDisplay *d = MHEGEngine_getDisplay();
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
