C++ (Cpp) pvr2_stream_achieve_buffer_count示例

示例#1

文件： pvrusb2-io.c 项目： WiseMan787/ralink_sdk

void pvr2_stream_kill(struct pvr2_stream *sp)
{
	struct pvr2_buffer *bp;
	mutex_lock(&sp->mutex); do {
		pvr2_stream_internal_flush(sp);
		while ((bp = pvr2_stream_get_ready_buffer(sp)) != 0) {
			pvr2_buffer_set_idle(bp);
		}
		if (sp->buffer_total_count != sp->buffer_target_count) {
			pvr2_stream_achieve_buffer_count(sp);
		}
	} while(0); mutex_unlock(&sp->mutex);
}

示例#2

文件： pvrusb2-io.c 项目： ivucica/linux

static void pvr2_stream_internal_flush(struct pvr2_stream *sp)
{
	struct list_head *lp;
	struct pvr2_buffer *bp1;
	while ((lp = sp->queued_list.next) != &sp->queued_list) {
		bp1 = list_entry(lp,struct pvr2_buffer,list_overhead);
		pvr2_buffer_wipe(bp1);
		/* At this point, we should be guaranteed that no
		   completion callback may happen on this buffer.  But it's
		   possible that it might have completed after we noticed
		   it but before we wiped it.  So double check its status
		   here first. */
		if (bp1->state != pvr2_buffer_state_queued) continue;
		pvr2_buffer_set_idle(bp1);
	}
	if (sp->buffer_total_count != sp->buffer_target_count) {
		pvr2_stream_achieve_buffer_count(sp);
	}
}