55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
// install libpulse-dev or libpulse package depending on your distro
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// compile: gcc -Wall play_raw_audio_file.c -lpulse-simple
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#include "play_raw_audio.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <pulse/simple.h>
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#include <pulse/error.h>
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int play_raw_audio(char file_name[]) {
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int pa_error = 0;
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char content[1024] = "";
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int myfd = open(file_name, O_RDONLY);
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if (myfd == -1) {
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perror("Failed to open audio file");
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return 1;
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}
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pa_simple* simple = NULL;
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pa_sample_spec ss;
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ss.format = PA_SAMPLE_S16LE;
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ss.rate = 48000;
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ss.channels = 2;
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// Temporarily redirect stderr to /dev/null
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// because pulseaudio prints to stderr even though it does not set any error codes
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FILE *original_stderr = stderr;
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stderr = fopen("/dev/null", "w");
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simple = pa_simple_new(NULL, "Audio Playback", PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &pa_error);
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// Restore stderr
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stderr = original_stderr;
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int i = 0;
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while (read(myfd, content, sizeof(content))) {
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// skip the first 1024 bytes to not play the file header
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if (i != 0) {
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pa_simple_write(simple, content, sizeof(content), &pa_error);
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}
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i++;
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}
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pa_simple_drain(simple, NULL);
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pa_simple_free(simple);
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close(myfd);
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return 0;
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}
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