initial proto

1 files changed, 96 insertions, 0 deletions

diff --git a/psdl.c b/psdl.c
new file mode 100644
index 00000000..0f905324
--- /dev/null
+++ b/psdl.c
@@ -0,0 +1,96 @@
+#include <SDL/SDL.h>
+#include "psdl.h"
+#include "codec.h"
+#include "playlist.h"
+
+static int sdl_player_numsamples;
+static int sdl_player_freq;
+static float *sdl_buffer[2];
+static SDL_AudioSpec spec;
+static void psdl_callback (void *userdata, Uint8 *stream, int len);
+static codec_t *codec;
+
+int
+psdl_init (void) {
+	SDL_AudioSpec obt;
+	int formats[] = { AUDIO_S16, -1 };
+	int freqs[] = { 48000, 44100, -1 };
+	const char *fmtnames[] = { "16 bit signed integer" };
+	int fmt, frq;
+	int success = 0;
+    sdl_buffer[0] = NULL;
+    sdl_buffer[1] = NULL;
+	fprintf (stderr, "sdl_player_init\n");
+	for (fmt = 0; formats[fmt] != -1; fmt++) {
+        for (frq = 0; freqs[frq] != -1; frq++) {
+            fprintf(stderr, "SDL: trying %s @ %dHz\n", fmtnames[fmt], freqs[frq]);
+            spec.freq = freqs[frq];
+            spec.format = formats[fmt];
+            spec.channels = 2;
+            spec.samples = freqs[fmt];
+            spec.callback = psdl_callback;
+            if (SDL_OpenAudio(&spec, &obt) < 0) {
+                fprintf(stderr, "SDL: couldn't open audio: %s\n", SDL_GetError());
+            }
+            else {
+                success = 1;
+                break;
+            }
+        }
+    }
+    if (!success) {
+        return -1;
+    }
+	sdl_player_numsamples = obt.samples; //numsamples;
+	sdl_player_freq = obt.freq;
+	fprintf (stderr, "SDL: got %d frame size (requested %d), %dHz\n", obt.samples, sdl_player_numsamples, sdl_player_freq);
+	return 0;
+}
+
+void
+psdl_free (void) {
+	SDL_CloseAudio ();
+	if (sdl_buffer[0]) {
+        free (sdl_buffer[0]);
+        sdl_buffer[0] = NULL;
+    }
+    if (sdl_buffer[1]) {
+        free (sdl_buffer[1]);
+        sdl_buffer[1] = NULL;
+    }
+}
+
+int
+psdl_play (struct playItem_s *it) {
+    if (!it) {
+        return -1;
+    }
+    codec = it->codec;
+    if (codec->init (it->fname)) {
+        return -1;
+    }
+	SDL_PauseAudio (0);
+	return 0;
+}
+
+int
+psdl_stop (void) {
+    codec = NULL;
+	SDL_PauseAudio (1);
+}
+
+int
+psdl_pause (void) {
+	SDL_PauseAudio (1);
+}
+
+static void
+psdl_callback (void* userdata, Uint8 *stream, int len) {
+    if (!codec) {
+        memset (stream, 0, len);
+    }
+    else {
+        codec->read (stream, len);
+    }
+}
+