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https://github.com/libretro/RetroArch
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102 lines
4.2 KiB
C
102 lines
4.2 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file
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* OpenMAX IL adaptation layer for MMAL - Marking related functions
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*
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* Note that we do not support buffer marks properly other than for conformance
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* testing. For input ports, we just move the mark over to the output port.
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*/
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#include "mmalomx.h"
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#include "mmalomx_buffer.h"
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#include "mmalomx_marks.h"
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#include "mmalomx_commands.h"
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#include "mmalomx_logging.h"
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#define MMALOMX_GET_MARK(port, mark) \
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mark = &port->marks[port->marks_first]; \
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port->marks_num--; \
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port->marks_first = ++port->marks_first == MAX_MARKS_NUM ? 0 : port->marks_first
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#define MMALOMX_PUT_MARK(port, mark) \
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port->marks[(port->marks_first + port->marks_num) % MAX_MARKS_NUM] = *mark; \
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port->marks_num++;
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void mmalomx_mark_process_incoming(MMALOMX_COMPONENT_T *component,
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MMALOMX_PORT_T *port, OMX_BUFFERHEADERTYPE *omx_buffer)
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{
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/* Tag buffers with OMX marks */
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if (!omx_buffer->hMarkTargetComponent && port->marks_num > 0 &&
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port->direction == OMX_DirInput)
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{
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OMX_MARKTYPE *mark;
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MMALOMX_GET_MARK(port, mark);
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omx_buffer->hMarkTargetComponent = mark->hMarkTargetComponent;
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omx_buffer->pMarkData = mark->pMarkData;
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mmalomx_callback_event_handler(component, OMX_EventCmdComplete,
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OMX_CommandMarkBuffer, port->index, NULL);
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}
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/* We do not support buffer marks properly other than for conformance testing.
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* For input ports, we just move the mark over to the output port. */
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if (port->direction == OMX_DirInput && omx_buffer->hMarkTargetComponent)
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{
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OMX_MARKTYPE mark = {omx_buffer->hMarkTargetComponent, omx_buffer->pMarkData};
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unsigned int i;
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for (i = 0; i < component->ports_num; i++)
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{
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if (component->ports[i].direction != OMX_DirOutput ||
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component->ports[i].marks_num >= MAX_MARKS_NUM)
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continue;
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MMALOMX_PUT_MARK((&component->ports[i]), (&mark));
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}
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}
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}
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void mmalomx_mark_process_outgoing(MMALOMX_COMPONENT_T *component,
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MMALOMX_PORT_T *port, OMX_BUFFERHEADERTYPE *omx_buffer)
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{
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/* Tag buffers with OMX marks */
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if (port->direction == OMX_DirOutput &&
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!omx_buffer->hMarkTargetComponent && port->marks_num)
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{
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OMX_MARKTYPE *mark;
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MMALOMX_GET_MARK(port, mark);
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omx_buffer->hMarkTargetComponent = mark->hMarkTargetComponent;
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omx_buffer->pMarkData = mark->pMarkData;
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}
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/* Check if we need to trigger a Mark event */
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if (omx_buffer->hMarkTargetComponent &&
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omx_buffer->hMarkTargetComponent == (OMX_HANDLETYPE)&component->omx)
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{
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mmalomx_callback_event_handler(component, OMX_EventMark, 0, 0, omx_buffer->pMarkData);
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omx_buffer->hMarkTargetComponent = NULL;
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omx_buffer->pMarkData = NULL;
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}
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}
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