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98 lines
3.7 KiB
98 lines
3.7 KiB
/* |
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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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