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POError in a simple gstreamer code to play an "mp3" audio file
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copied!<pre><code>#include <gst/gst.h> #include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) { GstElement *element; GstElement *element1; GstElement *element2; GstElement *pipeline; gst_init(&argc, &argv); if(argc != 2) { g_print("usage: %s argv[1] \n", argv[0]); exit(EXIT_FAILURE); } /* Creating a new pipeline */ pipeline = gst_pipeline_new("pipeline"); /* creating a new *.mp3 source element */ element = gst_element_factory_make("filesrc", "source"); if(element != NULL) g_object_set(G_OBJECT(element), "location", argv[1], NULL); else { g_print("Failed to create element \n"); exit(EXIT_FAILURE); } /* creating a new *.mp3 de-coder element */ element1 = gst_element_factory_make("decodebin2", "decoder"); if(element1 != NULL) g_print("element1 success \n"); else { g_print("Failed to create element1 \n"); exit(EXIT_FAILURE); } /* creating a new *.mp3 sink element */ element2 = gst_element_factory_make("autoaudiosink", "play_audio"); if(element2 != NULL) g_print("element2 success \n"); else { g_print("Failed to create element2 \n"); exit(EXIT_FAILURE); } /* Adding elements to pipeline */ gst_bin_add_many(GST_BIN(pipeline), element, element1, element2, NULL); /* Linking src to sink element */ gst_element_link_many(element, element1, element2, NULL); /* start playing */ gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING); while(gst_bin_iterate_recurse(GST_BIN(pipeline))); /* stop playing */ gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL); /* un-referencing all the elements in the pipeline */ gst_object_unref(GST_OBJECT(pipeline)); return 0; } </code></pre> <p>1) Compilation step:- gcc gst6.c -o gst6 <code>pk-config --cflags --libs gstreamer-0.10</code>, it is compiling without any warnings and errors.<br> 2) Exported PKG_CONFIG_PATH env variable i.e. export PKG_CONFIG_PATH=/usr/lin/pkgconfig. 3) Execution step: ./gst6 /home/user/Downloads/*.mp3 4) Output: element1 success, element2 success<br> killed.</p> <p>Unable to play the audio file. Please let me know whats wrong in my program. This is my first program.</p>

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