static vpx_image_t vp8_get_frame(vpx_codec_alg_priv_t ctx, vpx_codec_iter_t iter)
{
vpx_image_t img = null;
/* iter acts as a flip flop, so an image is only returned on the first
* call to get_frame.
*/
if (iter == IntPtr.Zero && ctx.yv12_frame_buffers.pbi[0] != null)
{
YV12_BUFFER_CONFIG sd = new YV12_BUFFER_CONFIG();
long time_stamp = 0, time_end_stamp = 0;
vp8_ppflags_t flags = new vp8_ppflags_t();
// Port AC: ppflags struct will be initialised to zero by default.
//vp8_zero(flags);
//if ([email protected]_flags & VPX_CODEC_USE_POSTPROC) {
// flags.post_proc_flag = ctx->postproc_cfg.post_proc_flag;
// flags.deblocking_level = ctx->postproc_cfg.deblocking_level;
// flags.noise_level = ctx->postproc_cfg.noise_level;
//}
if (0 == onyxd.vp8dx_get_raw_frame(ctx.yv12_frame_buffers.pbi[0], ref sd,
out time_stamp, out time_end_stamp, ref flags))
{
yuvconfig2image(ctx.img, sd, ctx.user_priv);
img = ctx.img;
//*iter = img;
}
}
return(img);
}
public static int vp8dx_get_raw_frame(VP8D_COMP pbi, ref YV12_BUFFER_CONFIG sd,
out long time_stamp, out long time_end_stamp,
ref vp8_ppflags_t flags)
{
int ret = -1;
time_stamp = 0;
time_end_stamp = 0;
if (pbi.ready_for_new_data == 1)
{
return(ret);
}
/* ie no raw frame to show!!! */
if (pbi.common.show_frame == 0)
{
return(ret);
}
pbi.ready_for_new_data = 1;
time_stamp = pbi.last_time_stamp;
time_end_stamp = 0;
//(void)flags;
if (pbi.common.frame_to_show != null)
{
sd = pbi.common.frame_to_show;
sd.y_width = pbi.common.Width;
sd.y_height = pbi.common.Height;
sd.uv_height = pbi.common.Height / 2;
ret = 0;
}
else
{
ret = -1;
}
// Port AC: Noop in libvpx.
//vpx_clear_system_state();
return(ret);
}
