forked from Qortal/Brooklyn
99 lines
3.7 KiB
C
99 lines
3.7 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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#include "bcm_host.h"
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#include "mmal.h"
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#include "util/mmal_graph.h"
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#include "util/mmal_default_components.h"
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#include "util/mmal_util_params.h"
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#include <stdio.h>
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#define CHECK_STATUS(status, msg) if (status != MMAL_SUCCESS) { fprintf(stderr, msg"\n"); goto error; }
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int main(int argc, char **argv)
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{
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MMAL_STATUS_T status;
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MMAL_GRAPH_T *graph = 0;
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MMAL_COMPONENT_T *reader = 0, *decoder = 0, *renderer = 0;
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if (argc < 2)
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{
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fprintf(stderr, "invalid arguments\n");
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return -1;
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}
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bcm_host_init();
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/* Create the graph */
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status = mmal_graph_create(&graph, 0);
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CHECK_STATUS(status, "failed to create graph");
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/* Add the components */
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status = mmal_graph_new_component(graph, MMAL_COMPONENT_DEFAULT_CONTAINER_READER, &reader);
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CHECK_STATUS(status, "failed to create reader");
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status = mmal_graph_new_component(graph, MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &decoder);
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CHECK_STATUS(status, "failed to create decoder");
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status = mmal_graph_new_component(graph, MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &renderer);
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CHECK_STATUS(status, "failed to create renderer");
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/* Configure the reader using the given URI */
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status = mmal_util_port_set_uri(reader->control, argv[1]);
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CHECK_STATUS(status, "failed to set uri");
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/* connect them up - this propagates port settings from outputs to inputs */
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status = mmal_graph_new_connection(graph, reader->output[0], decoder->input[0], 0, NULL);
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CHECK_STATUS(status, "failed to connect reader to decoder");
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status = mmal_graph_new_connection(graph, decoder->output[0], renderer->input[0], 0, NULL);
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CHECK_STATUS(status, "failed to connect decoder to renderer");
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/* Start playback */
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fprintf(stderr, "start playback\n");
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status = mmal_graph_enable(graph, NULL, NULL);
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CHECK_STATUS(status, "failed to enable graph");
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sleep(5);
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/* Stop everything */
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fprintf(stderr, "stop playback\n");
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mmal_graph_disable(graph);
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error:
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/* Cleanup everything */
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if (reader)
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mmal_component_release(reader);
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if (decoder)
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mmal_component_release(decoder);
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if (renderer)
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mmal_component_release(renderer);
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if (graph)
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mmal_graph_destroy(graph);
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return status == MMAL_SUCCESS ? 0 : -1;
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}
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