]> git.proxmox.com Git - qemu.git/blobdiff - audio/mixeng.c
qom: improve documentation of cast functions
[qemu.git] / audio / mixeng.c
index 14e37ae16f33545c91eacdf0ccc181c2073ac18f..02a9d9fb92ba3bdc7c3ba587c77c5a48dda4d73d 100644 (file)
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-#include "vl.h"
+#include "qemu-common.h"
+#include "audio.h"
 
 #define AUDIO_CAP "mixeng"
 #include "audio_int.h"
 
-#define NOVOL
-
 /* 8 bit */
 #define ENDIAN_CONVERSION natural
 #define ENDIAN_CONVERT(v) (v)
 
 /* Signed 8 bit */
-#define IN_T int8_t
+#define BSIZE 8
+#define ITYPE int
 #define IN_MIN SCHAR_MIN
 #define IN_MAX SCHAR_MAX
 #define SIGNED
 #undef SIGNED
 #undef IN_MAX
 #undef IN_MIN
-#undef IN_T
+#undef BSIZE
+#undef ITYPE
 #undef SHIFT
 
 /* Unsigned 8 bit */
-#define IN_T uint8_t
+#define BSIZE 8
+#define ITYPE uint
 #define IN_MIN 0
 #define IN_MAX UCHAR_MAX
 #define SHIFT 8
 #include "mixeng_template.h"
 #undef IN_MAX
 #undef IN_MIN
-#undef IN_T
+#undef BSIZE
+#undef ITYPE
 #undef SHIFT
 
 #undef ENDIAN_CONVERT
 #undef ENDIAN_CONVERSION
 
 /* Signed 16 bit */
-#define IN_T int16_t
+#define BSIZE 16
+#define ITYPE int
 #define IN_MIN SHRT_MIN
 #define IN_MAX SHRT_MAX
 #define SIGNED
 #undef SIGNED
 #undef IN_MAX
 #undef IN_MIN
-#undef IN_T
+#undef BSIZE
+#undef ITYPE
 #undef SHIFT
 
-#define IN_T uint16_t
+/* Unsigned 16 bit */
+#define BSIZE 16
+#define ITYPE uint
 #define IN_MIN 0
 #define IN_MAX USHRT_MAX
 #define SHIFT 16
 #undef ENDIAN_CONVERSION
 #undef IN_MAX
 #undef IN_MIN
-#undef IN_T
+#undef BSIZE
+#undef ITYPE
+#undef SHIFT
+
+/* Signed 32 bit */
+#define BSIZE 32
+#define ITYPE int
+#define IN_MIN INT32_MIN
+#define IN_MAX INT32_MAX
+#define SIGNED
+#define SHIFT 32
+#define ENDIAN_CONVERSION natural
+#define ENDIAN_CONVERT(v) (v)
+#include "mixeng_template.h"
+#undef ENDIAN_CONVERT
+#undef ENDIAN_CONVERSION
+#define ENDIAN_CONVERSION swap
+#define ENDIAN_CONVERT(v) bswap32 (v)
+#include "mixeng_template.h"
+#undef ENDIAN_CONVERT
+#undef ENDIAN_CONVERSION
+#undef SIGNED
+#undef IN_MAX
+#undef IN_MIN
+#undef BSIZE
+#undef ITYPE
+#undef SHIFT
+
+/* Unsigned 32 bit */
+#define BSIZE 32
+#define ITYPE uint
+#define IN_MIN 0
+#define IN_MAX UINT32_MAX
+#define SHIFT 32
+#define ENDIAN_CONVERSION natural
+#define ENDIAN_CONVERT(v) (v)
+#include "mixeng_template.h"
+#undef ENDIAN_CONVERT
+#undef ENDIAN_CONVERSION
+#define ENDIAN_CONVERSION swap
+#define ENDIAN_CONVERT(v) bswap32 (v)
+#include "mixeng_template.h"
+#undef ENDIAN_CONVERT
+#undef ENDIAN_CONVERSION
+#undef IN_MAX
+#undef IN_MIN
+#undef BSIZE
+#undef ITYPE
 #undef SHIFT
 
-t_sample *mixeng_conv[2][2][2][2] = {
+t_sample *mixeng_conv[2][2][2][3] = {
     {
         {
             {
                 conv_natural_uint8_t_to_mono,
-                conv_natural_uint16_t_to_mono
+                conv_natural_uint16_t_to_mono,
+                conv_natural_uint32_t_to_mono
             },
             {
                 conv_natural_uint8_t_to_mono,
-                conv_swap_uint16_t_to_mono
+                conv_swap_uint16_t_to_mono,
+                conv_swap_uint32_t_to_mono,
             }
         },
         {
             {
                 conv_natural_int8_t_to_mono,
-                conv_natural_int16_t_to_mono
+                conv_natural_int16_t_to_mono,
+                conv_natural_int32_t_to_mono
             },
             {
                 conv_natural_int8_t_to_mono,
-                conv_swap_int16_t_to_mono
+                conv_swap_int16_t_to_mono,
+                conv_swap_int32_t_to_mono
             }
         }
     },
@@ -128,46 +186,54 @@ t_sample *mixeng_conv[2][2][2][2] = {
         {
             {
                 conv_natural_uint8_t_to_stereo,
-                conv_natural_uint16_t_to_stereo
+                conv_natural_uint16_t_to_stereo,
+                conv_natural_uint32_t_to_stereo
             },
             {
                 conv_natural_uint8_t_to_stereo,
-                conv_swap_uint16_t_to_stereo
+                conv_swap_uint16_t_to_stereo,
+                conv_swap_uint32_t_to_stereo
             }
         },
         {
             {
                 conv_natural_int8_t_to_stereo,
-                conv_natural_int16_t_to_stereo
+                conv_natural_int16_t_to_stereo,
+                conv_natural_int32_t_to_stereo
             },
             {
                 conv_natural_int8_t_to_stereo,
-                conv_swap_int16_t_to_stereo
+                conv_swap_int16_t_to_stereo,
+                conv_swap_int32_t_to_stereo,
             }
         }
     }
 };
 
-f_sample *mixeng_clip[2][2][2][2] = {
+f_sample *mixeng_clip[2][2][2][3] = {
     {
         {
             {
                 clip_natural_uint8_t_from_mono,
-                clip_natural_uint16_t_from_mono
+                clip_natural_uint16_t_from_mono,
+                clip_natural_uint32_t_from_mono
             },
             {
                 clip_natural_uint8_t_from_mono,
-                clip_swap_uint16_t_from_mono
+                clip_swap_uint16_t_from_mono,
+                clip_swap_uint32_t_from_mono
             }
         },
         {
             {
                 clip_natural_int8_t_from_mono,
-                clip_natural_int16_t_from_mono
+                clip_natural_int16_t_from_mono,
+                clip_natural_int32_t_from_mono
             },
             {
                 clip_natural_int8_t_from_mono,
-                clip_swap_int16_t_from_mono
+                clip_swap_int16_t_from_mono,
+                clip_swap_int32_t_from_mono
             }
         }
     },
@@ -175,21 +241,25 @@ f_sample *mixeng_clip[2][2][2][2] = {
         {
             {
                 clip_natural_uint8_t_from_stereo,
-                clip_natural_uint16_t_from_stereo
+                clip_natural_uint16_t_from_stereo,
+                clip_natural_uint32_t_from_stereo
             },
             {
                 clip_natural_uint8_t_from_stereo,
-                clip_swap_uint16_t_from_stereo
+                clip_swap_uint16_t_from_stereo,
+                clip_swap_uint32_t_from_stereo
             }
         },
         {
             {
                 clip_natural_int8_t_from_stereo,
-                clip_natural_int16_t_from_stereo
+                clip_natural_int16_t_from_stereo,
+                clip_natural_int32_t_from_stereo
             },
             {
                 clip_natural_int8_t_from_stereo,
-                clip_swap_int16_t_from_stereo
+                clip_swap_int16_t_from_stereo,
+                clip_swap_int32_t_from_stereo
             }
         }
     }
@@ -232,7 +302,7 @@ struct rate {
     uint64_t opos;
     uint64_t opos_inc;
     uint32_t ipos;              /* position in the input stream (integer) */
-    st_sample_t ilast;          /* last sample in the input stream */
+    struct st_sample ilast;          /* last sample in the input stream */
 };
 
 /*
@@ -243,7 +313,7 @@ void *st_rate_start (int inrate, int outrate)
     struct rate *rate = audio_calloc (AUDIO_FUNC, 1, sizeof (*rate));
 
     if (!rate) {
-        dolog ("Could not allocate resampler (%d bytes)\n", sizeof (*rate));
+        dolog ("Could not allocate resampler (%zu bytes)\n", sizeof (*rate));
         return NULL;
     }
 
@@ -268,10 +338,35 @@ void *st_rate_start (int inrate, int outrate)
 
 void st_rate_stop (void *opaque)
 {
-    qemu_free (opaque);
+    g_free (opaque);
 }
 
-void mixeng_clear (st_sample_t *buf, int len)
+void mixeng_clear (struct st_sample *buf, int len)
 {
-    memset (buf, 0, len * sizeof (st_sample_t));
+    memset (buf, 0, len * sizeof (struct st_sample));
+}
+
+void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol)
+{
+#ifdef CONFIG_MIXEMU
+    if (vol->mute) {
+        mixeng_clear (buf, len);
+        return;
+    }
+
+    while (len--) {
+#ifdef FLOAT_MIXENG
+        buf->l = buf->l * vol->l;
+        buf->r = buf->r * vol->r;
+#else
+        buf->l = (buf->l * vol->l) >> 32;
+        buf->r = (buf->r * vol->r) >> 32;
+#endif
+        buf += 1;
+    }
+#else
+    (void) buf;
+    (void) len;
+    (void) vol;
+#endif
 }