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total code reorganization as a start to get alsasrc working - sink and src are now really different classes, not just...

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Original commit message from CVS:
total code reorganization as a start to get alsasrc working - sink and src are now really different classes, not just on paper - includes a fix that makes the testsuite work that might be an older bug
This commit is contained in:
Benjamin Otte 2003-04-24 00:03:06 +00:00
parent 232891aaf1
commit dcdb424424
2 changed files with 672 additions and 513 deletions
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1138
ext/alsa/gstalsa.c
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47
ext/alsa/gstalsa.h
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@ -38,6 +38,7 @@
#define GST_ALSA(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_ALSA, GstAlsa) #define GST_ALSA(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_ALSA, GstAlsa)
#define GST_ALSA_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_ALSA, GstAlsaClass) #define GST_ALSA_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_ALSA, GstAlsaClass)
#define GST_ALSA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_ALSA, GstAlsaClass))
#define GST_IS_ALSA(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_ALSA) #define GST_IS_ALSA(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_ALSA)
#define GST_IS_ALSA_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_ALSA) #define GST_IS_ALSA_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_ALSA)
#define GST_TYPE_ALSA gst_alsa_get_type() #define GST_TYPE_ALSA gst_alsa_get_type()
@ -65,10 +66,10 @@
typedef struct _GstAlsa GstAlsa; typedef struct _GstAlsa GstAlsa;
typedef struct _GstAlsaClass GstAlsaClass; typedef struct _GstAlsaClass GstAlsaClass;
typedef GstAlsa GstAlsaSink; typedef struct _GstAlsaSink GstAlsaSink;
typedef GstAlsaClass GstAlsaSinkClass; typedef struct _GstAlsaSinkClass GstAlsaSinkClass;
typedef GstAlsa GstAlsaSrc; typedef struct _GstAlsaSrc GstAlsaSrc;
typedef GstAlsaClass GstAlsaSrcClass; typedef struct _GstAlsaSrcClass GstAlsaSrcClass;
typedef struct _GstAlsaClock GstAlsaClock; typedef struct _GstAlsaClock GstAlsaClock;
typedef struct _GstAlsaClockClass GstAlsaClockClass; typedef struct _GstAlsaClockClass GstAlsaClockClass;
@ -98,14 +99,6 @@ typedef enum {
typedef int (*GstAlsaTransmitFunction) (GstAlsa *this, snd_pcm_sframes_t *avail); typedef int (*GstAlsaTransmitFunction) (GstAlsa *this, snd_pcm_sframes_t *avail);
typedef struct {
GstPad * pad;
guint8 * data; /* pointer into buffer */
guint size; /* sink: bytes left in buffer */
GstBuffer * buf; /* current buffer */
guint behaviour; /* 0 = data points into buffer (so unref when size == 0),
1 = data should be freed, use buffer after that */
} GstAlsaPad;
typedef struct { typedef struct {
snd_pcm_format_t format; snd_pcm_format_t format;
guint rate; guint rate;
@ -116,10 +109,9 @@ struct _GstAlsa {
GstElement parent; GstElement parent;
/* array of GstAlsaPads */ /* array of GstAlsaPads */
GstAlsaPad pads[GST_ALSA_MAX_CHANNELS]; GstPad * pad[GST_ALSA_MAX_CHANNELS];
gchar * device; gchar * device;
snd_pcm_stream_t stream;
snd_pcm_t * handle; snd_pcm_t * handle;
guint pcm_caps; /* capabilities of the pcm device, see GstAlsaPcmCaps */ guint pcm_caps; /* capabilities of the pcm device, see GstAlsaPcmCaps */
snd_output_t * out; snd_output_t * out;
@ -146,9 +138,32 @@ struct _GstAlsa {
*/ */
}; };
struct _GstAlsaClass { struct _GstAlsaClass {
GstElementClass parent_class; GstElementClass parent_class;
};
snd_pcm_stream_t stream;
/* different transmit functions */
GstAlsaTransmitFunction transmit_mmap;
GstAlsaTransmitFunction transmit_rw;
};
struct _GstAlsaSink {
GstAlsa parent;
/* array of the data on the channels */
guint8 * data[GST_ALSA_MAX_CHANNELS]; /* pointer into buffer */
guint size[GST_ALSA_MAX_CHANNELS]; /* sink: bytes left in buffer */
GstBuffer * buf[GST_ALSA_MAX_CHANNELS]; /* current buffer */
guint behaviour[GST_ALSA_MAX_CHANNELS]; /* 0 = data points into buffer (so unref when size == 0),
1 = data should be freed, use buffer after that */
};
struct _GstAlsaSinkClass {
GstAlsaClass parent_class;
};
struct _GstAlsaSrc {
GstAlsa parent;
};
struct _GstAlsaSrcClass {
GstAlsaClass parent_class;
};
struct _GstAlsaClock { struct _GstAlsaClock {
GstSystemClock parent; GstSystemClock parent;