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This commit is contained in:
Thomas Vander Stichele 2005-12-06 19:55:58 +00:00
parent 3ecf433432
commit b6540959e6
12 changed files with 319 additions and 319 deletions

View file

@ -340,57 +340,57 @@ gst_iir_equalizer_get_property (GObject * object, guint prop_id,
/* start of code that is type specific */
#define CREATE_OPTIMIZED_FUNCTIONS(TYPE,BIG_TYPE,MIN_VAL,MAX_VAL) \
typedef struct { \
TYPE x1, x2; /* history of input values for a filter */ \
TYPE y1, y2; /* history of output values for a filter */ \
} SecondOrderHistory ## TYPE; \
\
static inline TYPE \
one_step_ ## TYPE (SecondOrderFilter *filter, \
SecondOrderHistory ## TYPE *history, TYPE input) \
{ \
/* calculate output */ \
TYPE output = filter->alpha * (input - history->x2) + \
filter->gamma * history->y1 - filter->beta * history->y2; \
/* update history */ \
history->y2 = history->y1; \
history->y1 = output; \
history->x2 = history->x1; \
history->x1 = input; \
\
return output; \
} \
\
static const guint \
history_size_ ## TYPE = sizeof (SecondOrderHistory ## TYPE); \
\
static void \
gst_iir_equ_process_ ## TYPE (GstIirEqualizer *equ, guint8 *data, \
guint size, guint channels) \
{ \
guint frames = size / channels / sizeof (TYPE); \
guint i, c, f; \
BIG_TYPE cur; \
TYPE val; \
\
for (i = 0; i < frames; i++) { \
for (c = 0; c < channels; c++) { \
SecondOrderHistory ## TYPE *history = equ->history; \
val = *((TYPE *) data); \
cur = 0; \
for (f = 0; f < equ->freq_count; f++) { \
SecondOrderFilter *filter = &equ->filter[f]; \
\
cur += one_step_ ## TYPE (filter, history, val); \
history++; \
} \
cur += val * 0.25; \
cur = CLAMP (cur, MIN_VAL, MAX_VAL); \
*((TYPE *) data) = (TYPE) cur; \
data += sizeof (TYPE); \
} \
} \
#define CREATE_OPTIMIZED_FUNCTIONS(TYPE,BIG_TYPE,MIN_VAL,MAX_VAL) \
typedef struct { \
TYPE x1, x2; /* history of input values for a filter */ \
TYPE y1, y2; /* history of output values for a filter */ \
} SecondOrderHistory ## TYPE; \
\
static inline TYPE \
one_step_ ## TYPE (SecondOrderFilter *filter, \
SecondOrderHistory ## TYPE *history, TYPE input) \
{ \
/* calculate output */ \
TYPE output = filter->alpha * (input - history->x2) + \
filter->gamma * history->y1 - filter->beta * history->y2; \
/* update history */ \
history->y2 = history->y1; \
history->y1 = output; \
history->x2 = history->x1; \
history->x1 = input; \
\
return output; \
} \
\
static const guint \
history_size_ ## TYPE = sizeof (SecondOrderHistory ## TYPE); \
\
static void \
gst_iir_equ_process_ ## TYPE (GstIirEqualizer *equ, guint8 *data, \
guint size, guint channels) \
{ \
guint frames = size / channels / sizeof (TYPE); \
guint i, c, f; \
BIG_TYPE cur; \
TYPE val; \
\
for (i = 0; i < frames; i++) { \
for (c = 0; c < channels; c++) { \
SecondOrderHistory ## TYPE *history = equ->history; \
val = *((TYPE *) data); \
cur = 0; \
for (f = 0; f < equ->freq_count; f++) { \
SecondOrderFilter *filter = &equ->filter[f]; \
\
cur += one_step_ ## TYPE (filter, history, val); \
history++; \
} \
cur += val * 0.25; \
cur = CLAMP (cur, MIN_VAL, MAX_VAL); \
*((TYPE *) data) = (TYPE) cur; \
data += sizeof (TYPE); \
} \
} \
}
CREATE_OPTIMIZED_FUNCTIONS (gint16, gint, -32768, 32767);

View file

@ -33,13 +33,13 @@ GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);
/* temporary hack */
#define gst_util_dump_mem(a,b) /* */
#define QTDEMUX_GUINT32_GET(a) (GST_READ_UINT32_BE(a))
#define QTDEMUX_GUINT24_GET(a) (GST_READ_UINT32_BE(a) >> 8)
#define QTDEMUX_GUINT16_GET(a) (GST_READ_UINT16_BE(a))
#define QTDEMUX_GUINT32_GET(a) (GST_READ_UINT32_BE(a))
#define QTDEMUX_GUINT24_GET(a) (GST_READ_UINT32_BE(a) >> 8)
#define QTDEMUX_GUINT16_GET(a) (GST_READ_UINT16_BE(a))
#define QTDEMUX_GUINT8_GET(a) (*(guint8 *)(a))
#define QTDEMUX_FP32_GET(a) ((GST_READ_UINT32_BE(a))/65536.0)
#define QTDEMUX_FP16_GET(a) ((GST_READ_UINT16_BE(a))/256.0)
#define QTDEMUX_FOURCC_GET(a) (GST_READ_UINT32_LE(a))
#define QTDEMUX_FP32_GET(a) ((GST_READ_UINT32_BE(a))/65536.0)
#define QTDEMUX_FP16_GET(a) ((GST_READ_UINT16_BE(a))/256.0)
#define QTDEMUX_FOURCC_GET(a) (GST_READ_UINT32_LE(a))
#define QTDEMUX_GUINT64_GET(a) ((((guint64)QTDEMUX_GUINT32_GET(a))<<32)|QTDEMUX_GUINT32_GET(((void *)a)+4))
@ -781,76 +781,76 @@ gst_qtdemux_add_stream (GstQTDemux * qtdemux,
#define QT_CONTAINER 1
#define FOURCC_moov GST_MAKE_FOURCC('m','o','o','v')
#define FOURCC_mvhd GST_MAKE_FOURCC('m','v','h','d')
#define FOURCC_clip GST_MAKE_FOURCC('c','l','i','p')
#define FOURCC_trak GST_MAKE_FOURCC('t','r','a','k')
#define FOURCC_udta GST_MAKE_FOURCC('u','d','t','a')
#define FOURCC_ctab GST_MAKE_FOURCC('c','t','a','b')
#define FOURCC_tkhd GST_MAKE_FOURCC('t','k','h','d')
#define FOURCC_crgn GST_MAKE_FOURCC('c','r','g','n')
#define FOURCC_matt GST_MAKE_FOURCC('m','a','t','t')
#define FOURCC_kmat GST_MAKE_FOURCC('k','m','a','t')
#define FOURCC_edts GST_MAKE_FOURCC('e','d','t','s')
#define FOURCC_elst GST_MAKE_FOURCC('e','l','s','t')
#define FOURCC_load GST_MAKE_FOURCC('l','o','a','d')
#define FOURCC_tref GST_MAKE_FOURCC('t','r','e','f')
#define FOURCC_imap GST_MAKE_FOURCC('i','m','a','p')
#define FOURCC___in GST_MAKE_FOURCC(' ',' ','i','n')
#define FOURCC___ty GST_MAKE_FOURCC(' ',' ','t','y')
#define FOURCC_mdia GST_MAKE_FOURCC('m','d','i','a')
#define FOURCC_mdhd GST_MAKE_FOURCC('m','d','h','d')
#define FOURCC_hdlr GST_MAKE_FOURCC('h','d','l','r')
#define FOURCC_minf GST_MAKE_FOURCC('m','i','n','f')
#define FOURCC_vmhd GST_MAKE_FOURCC('v','m','h','d')
#define FOURCC_smhd GST_MAKE_FOURCC('s','m','h','d')
#define FOURCC_gmhd GST_MAKE_FOURCC('g','m','h','d')
#define FOURCC_gmin GST_MAKE_FOURCC('g','m','i','n')
#define FOURCC_dinf GST_MAKE_FOURCC('d','i','n','f')
#define FOURCC_dref GST_MAKE_FOURCC('d','r','e','f')
#define FOURCC_stbl GST_MAKE_FOURCC('s','t','b','l')
#define FOURCC_stsd GST_MAKE_FOURCC('s','t','s','d')
#define FOURCC_stts GST_MAKE_FOURCC('s','t','t','s')
#define FOURCC_stss GST_MAKE_FOURCC('s','t','s','s')
#define FOURCC_stsc GST_MAKE_FOURCC('s','t','s','c')
#define FOURCC_stsz GST_MAKE_FOURCC('s','t','s','z')
#define FOURCC_stco GST_MAKE_FOURCC('s','t','c','o')
#define FOURCC_vide GST_MAKE_FOURCC('v','i','d','e')
#define FOURCC_soun GST_MAKE_FOURCC('s','o','u','n')
#define FOURCC_co64 GST_MAKE_FOURCC('c','o','6','4')
#define FOURCC_cmov GST_MAKE_FOURCC('c','m','o','v')
#define FOURCC_dcom GST_MAKE_FOURCC('d','c','o','m')
#define FOURCC_cmvd GST_MAKE_FOURCC('c','m','v','d')
#define FOURCC_hint GST_MAKE_FOURCC('h','i','n','t')
#define FOURCC_mp4a GST_MAKE_FOURCC('m','p','4','a')
#define FOURCC_mp4v GST_MAKE_FOURCC('m','p','4','v')
#define FOURCC_wave GST_MAKE_FOURCC('w','a','v','e')
#define FOURCC_appl GST_MAKE_FOURCC('a','p','p','l')
#define FOURCC_esds GST_MAKE_FOURCC('e','s','d','s')
#define FOURCC_hnti GST_MAKE_FOURCC('h','n','t','i')
#define FOURCC_rtp_ GST_MAKE_FOURCC('r','t','p',' ')
#define FOURCC_sdp_ GST_MAKE_FOURCC('s','d','p',' ')
#define FOURCC_meta GST_MAKE_FOURCC('m','e','t','a')
#define FOURCC_ilst GST_MAKE_FOURCC('i','l','s','t')
#define FOURCC__nam GST_MAKE_FOURCC(0xa9,'n','a','m')
#define FOURCC__ART GST_MAKE_FOURCC(0xa9,'A','R','T')
#define FOURCC__wrt GST_MAKE_FOURCC(0xa9,'w','r','t')
#define FOURCC__grp GST_MAKE_FOURCC(0xa9,'g','r','p')
#define FOURCC__alb GST_MAKE_FOURCC(0xa9,'a','l','b')
#define FOURCC_gnre GST_MAKE_FOURCC('g','n','r','e')
#define FOURCC_disc GST_MAKE_FOURCC('d','i','s','c')
#define FOURCC_trkn GST_MAKE_FOURCC('t','r','k','n')
#define FOURCC_cpil GST_MAKE_FOURCC('c','p','i','l')
#define FOURCC_tmpo GST_MAKE_FOURCC('t','m','p','o')
#define FOURCC__too GST_MAKE_FOURCC(0xa9,'t','o','o')
#define FOURCC_____ GST_MAKE_FOURCC('-','-','-','-')
#define FOURCC_free GST_MAKE_FOURCC('f','r','e','e')
#define FOURCC_data GST_MAKE_FOURCC('d','a','t','a')
#define FOURCC_SVQ3 GST_MAKE_FOURCC('S','V','Q','3')
#define FOURCC_rmra GST_MAKE_FOURCC('r','m','r','a')
#define FOURCC_rmda GST_MAKE_FOURCC('r','m','d','a')
#define FOURCC_rdrf GST_MAKE_FOURCC('r','d','r','f')
#define FOURCC__gen GST_MAKE_FOURCC(0xa9, 'g', 'e', 'n')
#define FOURCC_moov GST_MAKE_FOURCC('m','o','o','v')
#define FOURCC_mvhd GST_MAKE_FOURCC('m','v','h','d')
#define FOURCC_clip GST_MAKE_FOURCC('c','l','i','p')
#define FOURCC_trak GST_MAKE_FOURCC('t','r','a','k')
#define FOURCC_udta GST_MAKE_FOURCC('u','d','t','a')
#define FOURCC_ctab GST_MAKE_FOURCC('c','t','a','b')
#define FOURCC_tkhd GST_MAKE_FOURCC('t','k','h','d')
#define FOURCC_crgn GST_MAKE_FOURCC('c','r','g','n')
#define FOURCC_matt GST_MAKE_FOURCC('m','a','t','t')
#define FOURCC_kmat GST_MAKE_FOURCC('k','m','a','t')
#define FOURCC_edts GST_MAKE_FOURCC('e','d','t','s')
#define FOURCC_elst GST_MAKE_FOURCC('e','l','s','t')
#define FOURCC_load GST_MAKE_FOURCC('l','o','a','d')
#define FOURCC_tref GST_MAKE_FOURCC('t','r','e','f')
#define FOURCC_imap GST_MAKE_FOURCC('i','m','a','p')
#define FOURCC___in GST_MAKE_FOURCC(' ',' ','i','n')
#define FOURCC___ty GST_MAKE_FOURCC(' ',' ','t','y')
#define FOURCC_mdia GST_MAKE_FOURCC('m','d','i','a')
#define FOURCC_mdhd GST_MAKE_FOURCC('m','d','h','d')
#define FOURCC_hdlr GST_MAKE_FOURCC('h','d','l','r')
#define FOURCC_minf GST_MAKE_FOURCC('m','i','n','f')
#define FOURCC_vmhd GST_MAKE_FOURCC('v','m','h','d')
#define FOURCC_smhd GST_MAKE_FOURCC('s','m','h','d')
#define FOURCC_gmhd GST_MAKE_FOURCC('g','m','h','d')
#define FOURCC_gmin GST_MAKE_FOURCC('g','m','i','n')
#define FOURCC_dinf GST_MAKE_FOURCC('d','i','n','f')
#define FOURCC_dref GST_MAKE_FOURCC('d','r','e','f')
#define FOURCC_stbl GST_MAKE_FOURCC('s','t','b','l')
#define FOURCC_stsd GST_MAKE_FOURCC('s','t','s','d')
#define FOURCC_stts GST_MAKE_FOURCC('s','t','t','s')
#define FOURCC_stss GST_MAKE_FOURCC('s','t','s','s')
#define FOURCC_stsc GST_MAKE_FOURCC('s','t','s','c')
#define FOURCC_stsz GST_MAKE_FOURCC('s','t','s','z')
#define FOURCC_stco GST_MAKE_FOURCC('s','t','c','o')
#define FOURCC_vide GST_MAKE_FOURCC('v','i','d','e')
#define FOURCC_soun GST_MAKE_FOURCC('s','o','u','n')
#define FOURCC_co64 GST_MAKE_FOURCC('c','o','6','4')
#define FOURCC_cmov GST_MAKE_FOURCC('c','m','o','v')
#define FOURCC_dcom GST_MAKE_FOURCC('d','c','o','m')
#define FOURCC_cmvd GST_MAKE_FOURCC('c','m','v','d')
#define FOURCC_hint GST_MAKE_FOURCC('h','i','n','t')
#define FOURCC_mp4a GST_MAKE_FOURCC('m','p','4','a')
#define FOURCC_mp4v GST_MAKE_FOURCC('m','p','4','v')
#define FOURCC_wave GST_MAKE_FOURCC('w','a','v','e')
#define FOURCC_appl GST_MAKE_FOURCC('a','p','p','l')
#define FOURCC_esds GST_MAKE_FOURCC('e','s','d','s')
#define FOURCC_hnti GST_MAKE_FOURCC('h','n','t','i')
#define FOURCC_rtp_ GST_MAKE_FOURCC('r','t','p',' ')
#define FOURCC_sdp_ GST_MAKE_FOURCC('s','d','p',' ')
#define FOURCC_meta GST_MAKE_FOURCC('m','e','t','a')
#define FOURCC_ilst GST_MAKE_FOURCC('i','l','s','t')
#define FOURCC__nam GST_MAKE_FOURCC(0xa9,'n','a','m')
#define FOURCC__ART GST_MAKE_FOURCC(0xa9,'A','R','T')
#define FOURCC__wrt GST_MAKE_FOURCC(0xa9,'w','r','t')
#define FOURCC__grp GST_MAKE_FOURCC(0xa9,'g','r','p')
#define FOURCC__alb GST_MAKE_FOURCC(0xa9,'a','l','b')
#define FOURCC_gnre GST_MAKE_FOURCC('g','n','r','e')
#define FOURCC_disc GST_MAKE_FOURCC('d','i','s','c')
#define FOURCC_trkn GST_MAKE_FOURCC('t','r','k','n')
#define FOURCC_cpil GST_MAKE_FOURCC('c','p','i','l')
#define FOURCC_tmpo GST_MAKE_FOURCC('t','m','p','o')
#define FOURCC__too GST_MAKE_FOURCC(0xa9,'t','o','o')
#define FOURCC_____ GST_MAKE_FOURCC('-','-','-','-')
#define FOURCC_free GST_MAKE_FOURCC('f','r','e','e')
#define FOURCC_data GST_MAKE_FOURCC('d','a','t','a')
#define FOURCC_SVQ3 GST_MAKE_FOURCC('S','V','Q','3')
#define FOURCC_rmra GST_MAKE_FOURCC('r','m','r','a')
#define FOURCC_rmda GST_MAKE_FOURCC('r','m','d','a')
#define FOURCC_rdrf GST_MAKE_FOURCC('r','d','r','f')
#define FOURCC__gen GST_MAKE_FOURCC(0xa9, 'g', 'e', 'n')
static void qtdemux_dump_mvhd (GstQTDemux * qtdemux, void *buffer, int depth);
static void qtdemux_dump_tkhd (GstQTDemux * qtdemux, void *buffer, int depth);

View file

@ -39,7 +39,7 @@ extern "C" {
#define GST_IS_QTDEMUX_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))
#define GST_QTDEMUX_MAX_STREAMS 8
#define GST_QTDEMUX_MAX_STREAMS 8
typedef struct _GstQTDemux GstQTDemux;
typedef struct _GstQTDemuxClass GstQTDemuxClass;

View file

@ -32,10 +32,10 @@ G_BEGIN_DECLS
(gst_v4l2_color_balance_channel_get_type ())
#define GST_V4L2_COLOR_BALANCE_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
GstV4l2ColorBalanceChannel))
GstV4l2ColorBalanceChannel))
#define GST_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, \
GstV4l2ColorBalanceChannelClass))
GstV4l2ColorBalanceChannelClass))
#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL))
#define GST_IS_V4L2_COLOR_BALANCE_CHANNEL_CLASS(klass) \
@ -51,8 +51,8 @@ typedef struct _GstV4l2ColorBalanceChannelClass {
GstColorBalanceChannelClass parent;
} GstV4l2ColorBalanceChannelClass;
GType gst_v4l2_color_balance_channel_get_type (void);
GType gst_v4l2_color_balance_channel_get_type (void);
void gst_v4l2_color_balance_interface_init (GstColorBalanceClass *klass);
void gst_v4l2_color_balance_interface_init (GstColorBalanceClass *klass);
#endif /* __GST_V4L2_COLOR_BALANCE_H__ */

View file

@ -50,87 +50,87 @@
#ifdef GST_V4L2_MISSING_BUFDECL
struct v4l2_buffer
{
__u32 index;
enum v4l2_buf_type type;
__u32 bytesused;
__u32 flags;
enum v4l2_field field;
struct timeval timestamp;
struct v4l2_timecode timecode;
__u32 sequence;
__u32 index;
enum v4l2_buf_type type;
__u32 bytesused;
__u32 flags;
enum v4l2_field field;
struct timeval timestamp;
struct v4l2_timecode timecode;
__u32 sequence;
/* memory location */
enum v4l2_memory memory;
union {
__u32 offset;
unsigned long userptr;
} m;
__u32 length;
/* memory location */
enum v4l2_memory memory;
union {
__u32 offset;
unsigned long userptr;
} m;
__u32 length;
__u32 reserved[2];
__u32 reserved[2];
};
#endif /* GST_V4L2_MISSING_BUFDECL */
#define GST_TYPE_V4L2ELEMENT \
(gst_v4l2element_get_type())
(gst_v4l2element_get_type())
#define GST_V4L2ELEMENT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_V4L2ELEMENT, GstV4l2Element))
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_V4L2ELEMENT, GstV4l2Element))
#define GST_V4L2ELEMENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_V4L2ELEMENT, GstV4l2ElementClass))
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_V4L2ELEMENT, GstV4l2ElementClass))
#define GST_IS_V4L2ELEMENT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_V4L2ELEMENT))
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_V4L2ELEMENT))
#define GST_IS_V4L2ELEMENT_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_V4L2ELEMENT))
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_V4L2ELEMENT))
#define GST_V4L2ELEMENT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_V4L2ELEMENT, GstV4l2ElementClass))
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_V4L2ELEMENT, GstV4l2ElementClass))
typedef struct _GstV4l2Element GstV4l2Element;
typedef struct _GstV4l2ElementClass GstV4l2ElementClass;
typedef struct _GstV4l2Xv GstV4l2Xv;
typedef struct _GstV4l2Element GstV4l2Element;
typedef struct _GstV4l2ElementClass GstV4l2ElementClass;
typedef struct _GstV4l2Xv GstV4l2Xv;
struct _GstV4l2Element {
GstElement element;
GstElement element;
/* the video device */
char *device;
/* the video device */
char *device;
/* the video-device's file descriptor */
gint video_fd;
/* the video-device's file descriptor */
gint video_fd;
/* the video buffer (mmap()'ed) */
guint8 **buffer;
/* the video buffer (mmap()'ed) */
guint8 **buffer;
/* the video-device's capabilities */
struct v4l2_capability vcap;
/* the video-device's capabilities */
struct v4l2_capability vcap;
/* the toys available to us */
GList *channels;
GList *norms;
GList *colors;
/* the toys available to us */
GList *channels;
GList *norms;
GList *colors;
/* X-overlay */
GstV4l2Xv *xv;
XID xwindow_id;
/* X-overlay */
GstV4l2Xv *xv;
XID xwindow_id;
/* properties */
gchar *norm;
gchar *channel;
gulong frequency;
/* properties */
gchar *norm;
gchar *channel;
gulong frequency;
};
struct _GstV4l2ElementClass {
GstElementClass parent_class;
GstElementClass parent_class;
/* probed devices */
GList *devices;
/* probed devices */
GList *devices;
/* signals */
void (*open) (GstElement *element,
const gchar *device);
void (*close) (GstElement *element,
const gchar *device);
/* signals */
void (*open) (GstElement *element,
const gchar *device);
void (*close) (GstElement *element,
const gchar *device);
};

View file

@ -28,78 +28,78 @@ GST_DEBUG_CATEGORY_EXTERN (v4l2src_debug);
#define GST_V4L2_MIN_BUFFERS 2
#define GST_TYPE_V4L2SRC \
(gst_v4l2src_get_type())
(gst_v4l2src_get_type())
#define GST_V4L2SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4L2SRC,GstV4l2Src))
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4L2SRC,GstV4l2Src))
#define GST_V4L2SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4L2SRC,GstV4l2SrcClass))
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4L2SRC,GstV4l2SrcClass))
#define GST_IS_V4L2SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4L2SRC))
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4L2SRC))
#define GST_IS_V4L2SRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4L2SRC))
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4L2SRC))
typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
typedef struct _GstV4l2Buffer GstV4l2Buffer;
typedef struct _GstV4l2Src GstV4l2Src;
typedef struct _GstV4l2SrcClass GstV4l2SrcClass;
typedef struct _GstV4l2BufferPool GstV4l2BufferPool;
typedef struct _GstV4l2Buffer GstV4l2Buffer;
typedef struct _GstV4l2Src GstV4l2Src;
typedef struct _GstV4l2SrcClass GstV4l2SrcClass;
/* global info */
struct _GstV4l2BufferPool {
GstAtomicInt refcount; /* number of users: 1 for every buffer, 1 for element */
gint video_fd;
guint buffer_count;
GstV4l2Buffer * buffers;
GstAtomicInt refcount; /* number of users: 1 for every buffer, 1 for element */
gint video_fd;
guint buffer_count;
GstV4l2Buffer * buffers;
};
struct _GstV4l2Buffer {
struct v4l2_buffer buffer;
guint8 * start;
guint length;
GstAtomicInt refcount; /* add 1 if in use by element, add 1 if in use by GstBuffer */
GstV4l2BufferPool * pool;
struct v4l2_buffer buffer;
guint8 * start;
guint length;
GstAtomicInt refcount; /* add 1 if in use by element, add 1 if in use by GstBuffer */
GstV4l2BufferPool * pool;
};
struct _GstV4l2Src {
GstV4l2Element v4l2element;
GstV4l2Element v4l2element;
/* pads */
GstPad *srcpad;
/* pads */
GstPad *srcpad;
/* internal lists */
GSList *formats; /* list of available capture formats */
/* internal lists */
GSList *formats; /* list of available capture formats */
/* buffers */
GstV4l2BufferPool *pool;
/* buffers */
GstV4l2BufferPool *pool;
struct v4l2_requestbuffers breq;
struct v4l2_format format;
struct v4l2_requestbuffers breq;
struct v4l2_format format;
/* True if we want to stop */
gboolean quit, is_capturing;
/* True if we want to stop */
gboolean quit, is_capturing;
/* A/V sync... frame counter and internal cache */
gulong handled;
gint need_writes;
GstBuffer *cached_buffer;
gulong last_seq;
/* A/V sync... frame counter and internal cache */
gulong handled;
gint need_writes;
GstBuffer *cached_buffer;
gulong last_seq;
/* clock */
GstClock *clock;
/* time to substract from clock time to get back to timestamp */
GstClockTime substract_time;
/* clock */
GstClock *clock;
/* time to substract from clock time to get back to timestamp */
GstClockTime substract_time;
/* how are we going to push buffers? */
gboolean use_fixed_fps;
/* how are we going to push buffers? */
gboolean use_fixed_fps;
};
struct _GstV4l2SrcClass {
GstV4l2ElementClass parent_class;
GstV4l2ElementClass parent_class;
void (*frame_capture) (GObject *object);
void (*frame_drop) (GObject *object);
void (*frame_insert) (GObject *object);
void (*frame_lost) (GObject *object,
void (*frame_capture) (GObject *object);
void (*frame_drop) (GObject *object);
void (*frame_insert) (GObject *object);
void (*frame_lost) (GObject *object,
gint num_lost);
};

View file

@ -33,10 +33,10 @@ G_BEGIN_DECLS
(gst_v4l2_tuner_channel_get_type ())
#define GST_V4L2_TUNER_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_CHANNEL, \
GstV4l2TunerChannel))
GstV4l2TunerChannel))
#define GST_V4L2_TUNER_CHANNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_CHANNEL, \
GstV4l2TunerChannelClass))
GstV4l2TunerChannelClass))
#define GST_IS_V4L2_TUNER_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_CHANNEL))
#define GST_IS_V4L2_TUNER_CHANNEL_CLASS(klass) \
@ -58,10 +58,10 @@ typedef struct _GstV4l2TunerChannelClass {
(gst_v4l2_tuner_norm_get_type ())
#define GST_V4L2_TUNER_NORM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_NORM, \
GstV4l2TunerNorm))
GstV4l2TunerNorm))
#define GST_V4L2_TUNER_NORM_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_NORM, \
GstV4l2TunerNormClass))
GstV4l2TunerNormClass))
#define GST_IS_V4L2_TUNER_NORM(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_NORM))
#define GST_IS_V4L2_TUNER_NORM_CLASS(klass) \
@ -77,9 +77,9 @@ typedef struct _GstV4l2TunerNormClass {
GstTunerNormClass parent;
} GstV4l2TunerNormClass;
GType gst_v4l2_tuner_channel_get_type (void);
GType gst_v4l2_tuner_norm_get_type (void);
GType gst_v4l2_tuner_channel_get_type (void);
GType gst_v4l2_tuner_norm_get_type (void);
void gst_v4l2_tuner_interface_init (GstTunerClass *klass);
void gst_v4l2_tuner_interface_init (GstTunerClass *klass);
#endif /* __GST_V4L2_TUNER_H__ */

View file

@ -29,9 +29,9 @@
G_BEGIN_DECLS
void gst_v4l2_xoverlay_interface_init (GstXOverlayClass *klass);
void gst_v4l2_xoverlay_interface_init (GstXOverlayClass *klass);
void gst_v4l2_xoverlay_open (GstV4l2Element *v4l2element);
void gst_v4l2_xoverlay_close (GstV4l2Element *v4l2element);
void gst_v4l2_xoverlay_open (GstV4l2Element *v4l2element);
void gst_v4l2_xoverlay_close (GstV4l2Element *v4l2element);
#endif /* __GST_V4L2_X_OVERLAY_H__ */

View file

@ -37,9 +37,9 @@
#include "gstv4l2src.h"
#define DEBUG(format, args...) \
GST_DEBUG_OBJECT (\
GST_ELEMENT(v4l2element), \
"V4L2: " format, ##args)
GST_DEBUG_OBJECT (\
GST_ELEMENT(v4l2element), \
"V4L2: " format, ##args)
/******************************************************

View file

@ -36,86 +36,86 @@
(element->vcap.capabilities & V4L2_CAP_VIDEO_OVERLAY)
/* checks whether the current v4lelement has already been open()'ed or not */
#define GST_V4L2_CHECK_OPEN(element) \
if (!GST_V4L2_IS_OPEN(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \
#define GST_V4L2_CHECK_OPEN(element) \
if (!GST_V4L2_IS_OPEN(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \
(_("Device is not open.")), (NULL)); \
return FALSE; \
return FALSE; \
}
/* checks whether the current v4lelement is close()'ed or whether it is still open */
#define GST_V4L2_CHECK_NOT_OPEN(element) \
if (GST_V4L2_IS_OPEN(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \
#define GST_V4L2_CHECK_NOT_OPEN(element) \
if (GST_V4L2_IS_OPEN(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \
(_("Device is open.")), (NULL)); \
return FALSE; \
return FALSE; \
}
/* checks whether the current v4lelement does video overlay */
#define GST_V4L2_CHECK_OVERLAY(element) \
if (!GST_V4L2_IS_OVERLAY(element)) \
{ \
#define GST_V4L2_CHECK_OVERLAY(element) \
if (!GST_V4L2_IS_OVERLAY(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \
(NULL), ("Device cannot handle overlay")); \
return FALSE; \
return FALSE; \
}
/* checks whether we're in capture mode or not */
#define GST_V4L2_CHECK_ACTIVE(element) \
if (!GST_V4L2_IS_ACTIVE(element)) \
{ \
#define GST_V4L2_CHECK_ACTIVE(element) \
if (!GST_V4L2_IS_ACTIVE(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \
(NULL), ("Device is not in streaming mode")); \
return FALSE; \
return FALSE; \
}
/* checks whether we're out of capture mode or not */
#define GST_V4L2_CHECK_NOT_ACTIVE(element) \
if (GST_V4L2_IS_ACTIVE(element)) \
{ \
#define GST_V4L2_CHECK_NOT_ACTIVE(element) \
if (GST_V4L2_IS_ACTIVE(element)) \
{ \
GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \
(NULL), ("Device is in streaming mode")); \
return FALSE; \
return FALSE; \
}
/* open/close the device */
gboolean gst_v4l2_open (GstV4l2Element *v4l2element);
gboolean gst_v4l2_close (GstV4l2Element *v4l2element);
gboolean gst_v4l2_open (GstV4l2Element *v4l2element);
gboolean gst_v4l2_close (GstV4l2Element *v4l2element);
/* norm/input/output */
gboolean gst_v4l2_get_norm (GstV4l2Element *v4l2element,
v4l2_std_id *norm);
gboolean gst_v4l2_set_norm (GstV4l2Element *v4l2element,
v4l2_std_id norm);
gboolean gst_v4l2_get_input (GstV4l2Element *v4l2element,
gint *input);
gboolean gst_v4l2_set_input (GstV4l2Element *v4l2element,
gint input);
gboolean gst_v4l2_get_output (GstV4l2Element *v4l2element,
gint *output);
gboolean gst_v4l2_set_output (GstV4l2Element *v4l2element,
gint output);
gboolean gst_v4l2_get_norm (GstV4l2Element *v4l2element,
v4l2_std_id *norm);
gboolean gst_v4l2_set_norm (GstV4l2Element *v4l2element,
v4l2_std_id norm);
gboolean gst_v4l2_get_input (GstV4l2Element *v4l2element,
gint *input);
gboolean gst_v4l2_set_input (GstV4l2Element *v4l2element,
gint input);
gboolean gst_v4l2_get_output (GstV4l2Element *v4l2element,
gint *output);
gboolean gst_v4l2_set_output (GstV4l2Element *v4l2element,
gint output);
/* frequency control */
gboolean gst_v4l2_get_frequency (GstV4l2Element *v4l2element,
gint tunernum,
gulong *frequency);
gboolean gst_v4l2_set_frequency (GstV4l2Element *v4l2element,
gint tunernum,
gulong frequency);
gboolean gst_v4l2_signal_strength (GstV4l2Element *v4l2element,
gint tunernum,
gulong *signal);
gboolean gst_v4l2_get_frequency (GstV4l2Element *v4l2element,
gint tunernum,
gulong *frequency);
gboolean gst_v4l2_set_frequency (GstV4l2Element *v4l2element,
gint tunernum,
gulong frequency);
gboolean gst_v4l2_signal_strength (GstV4l2Element *v4l2element,
gint tunernum,
gulong *signal);
/* attribute control */
gboolean gst_v4l2_get_attribute (GstV4l2Element *v4l2element,
int attribute,
int *value);
gboolean gst_v4l2_set_attribute (GstV4l2Element *v4l2element,
int attribute,
const int value);
gboolean gst_v4l2_get_attribute (GstV4l2Element *v4l2element,
int attribute,
int *value);
gboolean gst_v4l2_set_attribute (GstV4l2Element *v4l2element,
int attribute,
const int value);
#endif /* __V4L2_CALLS_H__ */

View file

@ -40,9 +40,9 @@
#define GST_V4L2_SET_INACTIVE(element) (element)->buffer = NULL
#define DEBUG(format, args...) \
GST_CAT_DEBUG_OBJECT (\
v4l2src_debug, v4l2src, \
"V4L2SRC: " format, ##args)
GST_CAT_DEBUG_OBJECT (\
v4l2src_debug, v4l2src, \
"V4L2SRC: " format, ##args)
/* On some systems MAP_FAILED seems to be missing */
#ifndef MAP_FAILED

View file

@ -24,30 +24,30 @@
#include "v4l2_calls.h"
gboolean gst_v4l2src_get_capture (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_set_capture (GstV4l2Src *v4l2src,
struct v4l2_fmtdesc *fmt,
gint width,
gint height);
gboolean gst_v4l2src_capture_init (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_capture_start (GstV4l2Src *v4l2src);
gint gst_v4l2src_grab_frame (GstV4l2Src *v4l2src);
guint8 * gst_v4l2src_get_buffer (GstV4l2Src *v4l2src,
gint num);
gboolean gst_v4l2src_queue_frame (GstV4l2Src *v4l2src,
guint i);
gboolean gst_v4l2src_capture_stop (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_capture_deinit (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_get_capture (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_set_capture (GstV4l2Src *v4l2src,
struct v4l2_fmtdesc *fmt,
gint width,
gint height);
gboolean gst_v4l2src_capture_init (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_capture_start (GstV4l2Src *v4l2src);
gint gst_v4l2src_grab_frame (GstV4l2Src *v4l2src);
guint8 * gst_v4l2src_get_buffer (GstV4l2Src *v4l2src,
gint num);
gboolean gst_v4l2src_queue_frame (GstV4l2Src *v4l2src,
guint i);
gboolean gst_v4l2src_capture_stop (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_capture_deinit (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_fill_format_list (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_clear_format_list (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_fill_format_list (GstV4l2Src *v4l2src);
gboolean gst_v4l2src_clear_format_list (GstV4l2Src *v4l2src);
/* hacky */
gboolean gst_v4l2src_get_size_limits (GstV4l2Src *v4l2src,
struct v4l2_fmtdesc *fmt,
gint *min_w, gint *max_w,
gint *min_h, gint *max_h);
gboolean gst_v4l2src_get_size_limits (GstV4l2Src *v4l2src,
struct v4l2_fmtdesc *fmt,
gint *min_w, gint *max_w,
gint *min_h, gint *max_h);
void gst_v4l2src_free_buffer (GstBuffer *buffer);
void gst_v4l2src_free_buffer (GstBuffer *buffer);
#endif /* __V4L2SRC_CALLS_H__ */