diff options
Diffstat (limited to 'msmcobalt/mm-video-v4l2/vidc/venc/inc/queue.h')
-rw-r--r-- | msmcobalt/mm-video-v4l2/vidc/venc/inc/queue.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/msmcobalt/mm-video-v4l2/vidc/venc/inc/queue.h b/msmcobalt/mm-video-v4l2/vidc/venc/inc/queue.h new file mode 100644 index 0000000..0b653da --- /dev/null +++ b/msmcobalt/mm-video-v4l2/vidc/venc/inc/queue.h @@ -0,0 +1,78 @@ +/*-------------------------------------------------------------------------- +Copyright (c) 2010-2011, 2013, The Linux Foundation. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of The Linux Foundation nor + the names of its contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +--------------------------------------------------------------------------*/ +#ifndef QUEUE_H +#define QUEUE_H + +#include<pthread.h> +#include <semaphore.h> +#include <stdio.h> +#include <string.h> + +/* Message Queue structure */ +struct video_msgq { + /* Command to be executed */ + unsigned int cmd; + + unsigned int status; + + /* Client-specific data */ + void *clientdata; +}; + + +/* Thread & Message Queue information */ +struct video_queue_context { + /* Message Queue related members */ + pthread_mutex_t mutex; + sem_t sem_message; + int commandq_size; + int dataq_size; + struct video_msgq *ptr_dataq; + struct video_msgq *ptr_cmdq; + int write_dataq ; + int read_dataq; + int write_comq ; + int read_comq ; + +}; + +int check_if_queue_empty ( unsigned int queuetocheck,void* queuecontext ); + +struct video_msgq * queue_get_cmd ( void* queuecontext ); + + + +int queue_post_cmdq ( void *queuecontext, + struct video_msgq *post_msg + ); + +int queue_post_dataq ( void *queuecontext, + struct video_msgq *post_msg + ); + +#endif /* QUEUE_H */ |