qom: improve documentation of cast functions

[qemu.git] / audio / wavcapture.c

diff --git a/audio/wavcapture.c b/audio/wavcapture.c
index 4810fa30ddeebbf0db837ce393247bf335bcc23e..9d94623225b286e6cd3f5f8fefe8b9cca34f2908 100644 (file)
--- a/audio/wavcapture.c
+++ b/audio/wavcapture.c
@@ -1,7 +1,9 @@
-#include "vl.h"
+#include "hw/hw.h"
+#include "monitor/monitor.h"
+#include "audio.h"
 
 typedef struct {
-    QEMUFile *f;
+    FILE *f;
     int bytes;
     char *path;
     int freq;
@@ -33,27 +35,50 @@ static void wav_destroy (void *opaque)
     uint8_t dlen[4];
     uint32_t datalen = wav->bytes;
     uint32_t rifflen = datalen + 36;
+    Monitor *mon = cur_mon;
 
     if (wav->f) {
         le_store (rlen, rifflen, 4);
         le_store (dlen, datalen, 4);
 
-        qemu_fseek (wav->f, 4, SEEK_SET);
-        qemu_put_buffer (wav->f, rlen, 4);
-
-        qemu_fseek (wav->f, 32, SEEK_CUR);
-        qemu_put_buffer (wav->f, dlen, 4);
-        qemu_fclose (wav->f);
+        if (fseek (wav->f, 4, SEEK_SET)) {
+            monitor_printf (mon, "wav_destroy: rlen fseek failed\nReason: %s\n",
+                            strerror (errno));
+            goto doclose;
+        }
+        if (fwrite (rlen, 4, 1, wav->f) != 1) {
+            monitor_printf (mon, "wav_destroy: rlen fwrite failed\nReason %s\n",
+                            strerror (errno));
+            goto doclose;
+        }
+        if (fseek (wav->f, 32, SEEK_CUR)) {
+            monitor_printf (mon, "wav_destroy: dlen fseek failed\nReason %s\n",
+                            strerror (errno));
+            goto doclose;
+        }
+        if (fwrite (dlen, 1, 4, wav->f) != 4) {
+            monitor_printf (mon, "wav_destroy: dlen fwrite failed\nReason %s\n",
+                            strerror (errno));
+            goto doclose;
+        }
+    doclose:
+        if (fclose (wav->f)) {
+            fprintf (stderr, "wav_destroy: fclose failed: %s",
+                     strerror (errno));
+        }
     }
 
-    qemu_free (wav->path);
+    g_free (wav->path);
 }
 
 static void wav_capture (void *opaque, void *buf, int size)
 {
     WAVState *wav = opaque;
 
-    qemu_put_buffer (wav->f, buf, size);
+    if (fwrite (buf, size, 1, wav->f) != 1) {
+        monitor_printf (cur_mon, "wav_capture: fwrite error\nReason: %s",
+                        strerror (errno));
+    }
     wav->bytes += size;
 }
 
@@ -69,9 +94,9 @@ static void wav_capture_info (void *opaque)
     WAVState *wav = opaque;
     char *path = wav->path;
 
-    term_printf ("Capturing audio(%d,%d,%d) to %s: %d bytes\n",
-                 wav->freq, wav->bits, wav->nchannels,
-                 path ? path : "<not available>", wav->bytes);
+    monitor_printf (cur_mon, "Capturing audio(%d,%d,%d) to %s: %d bytes\n",
+                    wav->freq, wav->bits, wav->nchannels,
+                    path ? path : "<not available>", wav->bytes);
 }
 
 static struct capture_ops wav_capture_ops = {
@@ -82,6 +107,7 @@ static struct capture_ops wav_capture_ops = {
 int wav_start_capture (CaptureState *s, const char *path, int freq,
                        int bits, int nchannels)
 {
+    Monitor *mon = cur_mon;
     WAVState *wav;
     uint8_t hdr[] = {
         0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56,
@@ -89,19 +115,19 @@ int wav_start_capture (CaptureState *s, const char *path, int freq,
         0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04,
         0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00
     };
-    audsettings_t as;
+    struct audsettings as;
     struct audio_capture_ops ops;
     int stereo, bits16, shift;
     CaptureVoiceOut *cap;
 
     if (bits != 8 && bits != 16) {
-        term_printf ("incorrect bit count %d, must be 8 or 16\n", bits);
+        monitor_printf (mon, "incorrect bit count %d, must be 8 or 16\n", bits);
         return -1;
     }
 
     if (nchannels != 1 && nchannels != 2) {
-        term_printf ("incorrect channel count %d, must be 1 or 2\n",
-                     nchannels);
+        monitor_printf (mon, "incorrect channel count %d, must be 1 or 2\n",
+                        nchannels);
         return -1;
     }
 
@@ -117,12 +143,7 @@ int wav_start_capture (CaptureState *s, const char *path, int freq,
     ops.capture = wav_capture;
     ops.destroy = wav_destroy;
 
-    wav = qemu_mallocz (sizeof (*wav));
-    if (!wav) {
-        term_printf ("Could not allocate memory for wav capture (%zu bytes)",
-                     sizeof (*wav));
-        return -1;
-    }
+    wav = g_malloc0 (sizeof (*wav));
 
     shift = bits16 + stereo;
     hdr[34] = bits16 ? 0x10 : 0x08;
@@ -132,32 +153,42 @@ int wav_start_capture (CaptureState *s, const char *path, int freq,
     le_store (hdr + 28, freq << shift, 4);
     le_store (hdr + 32, 1 << shift, 2);
 
-    wav->f = qemu_fopen (path, "wb");
+    wav->f = fopen (path, "wb");
     if (!wav->f) {
-        term_printf ("Failed to open wave file `%s'\nReason: %s\n",
-                     path, strerror (errno));
-        qemu_free (wav);
+        monitor_printf (mon, "Failed to open wave file `%s'\nReason: %s\n",
+                        path, strerror (errno));
+        g_free (wav);
         return -1;
     }
 
-    wav->path = qemu_strdup (path);
+    wav->path = g_strdup (path);
     wav->bits = bits;
     wav->nchannels = nchannels;
     wav->freq = freq;
 
-    qemu_put_buffer (wav->f, hdr, sizeof (hdr));
+    if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) {
+        monitor_printf (mon, "Failed to write header\nReason: %s\n",
+                        strerror (errno));
+        goto error_free;
+    }
 
-    cap = AUD_add_capture (NULL, &as, &ops, wav);
+    cap = AUD_add_capture (&as, &ops, wav);
     if (!cap) {
-        term_printf ("Failed to add audio capture\n");
-        qemu_free (wav->path);
-        qemu_fclose (wav->f);
-        qemu_free (wav);
-        return -1;
+        monitor_printf (mon, "Failed to add audio capture\n");
+        goto error_free;
     }
 
     wav->cap = cap;
     s->opaque = wav;
     s->ops = wav_capture_ops;
     return 0;
+
+error_free:
+    g_free (wav->path);
+    if (fclose (wav->f)) {
+        monitor_printf (mon, "Failed to close wave file\nReason: %s\n",
+                        strerror (errno));
+    }
+    g_free (wav);
+    return -1;
 }