-/*
- * demux.h
+/*
+ * demux.h
*
* Copyright (c) 2002 Convergence GmbH
- *
+ *
* based on code:
* Copyright (c) 2000 Nokia Research Center
* Tampere, FINLAND
*
*/
-#ifndef __DEMUX_H
-#define __DEMUX_H
+#ifndef __DEMUX_H
+#define __DEMUX_H
#include <linux/types.h>
#include <linux/errno.h>
-#include <linux/list.h>
-#include <linux/time.h>
+#include <linux/list.h>
+#include <linux/time.h>
-/*--------------------------------------------------------------------------*/
-/* Common definitions */
-/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
+/* Common definitions */
+/*--------------------------------------------------------------------------*/
/*
* DMX_MAX_FILTER_SIZE: Maximum length (in bytes) of a section/PES filter.
- */
+ */
-#ifndef DMX_MAX_FILTER_SIZE
+#ifndef DMX_MAX_FILTER_SIZE
#define DMX_MAX_FILTER_SIZE 18
-#endif
+#endif
/*
* DMX_MAX_SECFEED_SIZE: Maximum length (in bytes) of a private section feed filter.
- */
+ */
-#ifndef DMX_MAX_SECFEED_SIZE
+#ifndef DMX_MAX_SECFEED_SIZE
#define DMX_MAX_SECFEED_SIZE 4096
-#endif
+#endif
/*
- * enum dmx_success: Success codes for the Demux Callback API.
- */
-
-enum dmx_success {
- DMX_OK = 0, /* Received Ok */
- DMX_LENGTH_ERROR, /* Incorrect length */
- DMX_OVERRUN_ERROR, /* Receiver ring buffer overrun */
- DMX_CRC_ERROR, /* Incorrect CRC */
- DMX_FRAME_ERROR, /* Frame alignment error */
- DMX_FIFO_ERROR, /* Receiver FIFO overrun */
- DMX_MISSED_ERROR /* Receiver missed packet */
-} ;
-
-/*--------------------------------------------------------------------------*/
-/* TS packet reception */
+ * enum dmx_success: Success codes for the Demux Callback API.
+ */
+
+enum dmx_success {
+ DMX_OK = 0, /* Received Ok */
+ DMX_LENGTH_ERROR, /* Incorrect length */
+ DMX_OVERRUN_ERROR, /* Receiver ring buffer overrun */
+ DMX_CRC_ERROR, /* Incorrect CRC */
+ DMX_FRAME_ERROR, /* Frame alignment error */
+ DMX_FIFO_ERROR, /* Receiver FIFO overrun */
+ DMX_MISSED_ERROR /* Receiver missed packet */
+} ;
+
+/*--------------------------------------------------------------------------*/
+/* TS packet reception */
/*--------------------------------------------------------------------------*/
/* TS filter type for set() */
-#define TS_PACKET 1 /* send TS packets (188 bytes) to callback (default) */
+#define TS_PACKET 1 /* send TS packets (188 bytes) to callback (default) */
#define TS_PAYLOAD_ONLY 2 /* in case TS_PACKET is set, only send the TS
payload (<=184 bytes per packet) to callback */
#define TS_DECODER 4 /* send stream to built-in decoder (if present) */
#define DMX_TS_PES_PCR DMX_TS_PES_PCR0
-struct dmx_ts_feed {
+struct dmx_ts_feed {
int is_filtering; /* Set to non-zero when filtering in progress */
struct dmx_demux *parent; /* Back-pointer */
- void *priv; /* Pointer to private data of the API client */
- int (*set) (struct dmx_ts_feed *feed,
+ void *priv; /* Pointer to private data of the API client */
+ int (*set) (struct dmx_ts_feed *feed,
u16 pid,
- int type,
+ int type,
enum dmx_ts_pes pes_type,
- size_t callback_length,
- size_t circular_buffer_size,
- int descramble,
- struct timespec timeout);
- int (*start_filtering) (struct dmx_ts_feed* feed);
- int (*stop_filtering) (struct dmx_ts_feed* feed);
+ size_t callback_length,
+ size_t circular_buffer_size,
+ int descramble,
+ struct timespec timeout);
+ int (*start_filtering) (struct dmx_ts_feed* feed);
+ int (*stop_filtering) (struct dmx_ts_feed* feed);
};
-/*--------------------------------------------------------------------------*/
-/* Section reception */
-/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
+/* Section reception */
+/*--------------------------------------------------------------------------*/
-struct dmx_section_filter {
- u8 filter_value [DMX_MAX_FILTER_SIZE];
- u8 filter_mask [DMX_MAX_FILTER_SIZE];
- u8 filter_mode [DMX_MAX_FILTER_SIZE];
- struct dmx_section_feed* parent; /* Back-pointer */
- void* priv; /* Pointer to private data of the API client */
+struct dmx_section_filter {
+ u8 filter_value [DMX_MAX_FILTER_SIZE];
+ u8 filter_mask [DMX_MAX_FILTER_SIZE];
+ u8 filter_mode [DMX_MAX_FILTER_SIZE];
+ struct dmx_section_feed* parent; /* Back-pointer */
+ void* priv; /* Pointer to private data of the API client */
};
-struct dmx_section_feed {
- int is_filtering; /* Set to non-zero when filtering in progress */
+struct dmx_section_feed {
+ int is_filtering; /* Set to non-zero when filtering in progress */
struct dmx_demux* parent; /* Back-pointer */
- void* priv; /* Pointer to private data of the API client */
+ void* priv; /* Pointer to private data of the API client */
int check_crc;
u32 crc_val;
u8 secbuf_base[DMX_MAX_SECFEED_SIZE];
u16 secbufp, seclen, tsfeedp;
- int (*set) (struct dmx_section_feed* feed,
- u16 pid,
- size_t circular_buffer_size,
- int descramble,
- int check_crc);
- int (*allocate_filter) (struct dmx_section_feed* feed,
- struct dmx_section_filter** filter);
- int (*release_filter) (struct dmx_section_feed* feed,
- struct dmx_section_filter* filter);
- int (*start_filtering) (struct dmx_section_feed* feed);
- int (*stop_filtering) (struct dmx_section_feed* feed);
+ int (*set) (struct dmx_section_feed* feed,
+ u16 pid,
+ size_t circular_buffer_size,
+ int descramble,
+ int check_crc);
+ int (*allocate_filter) (struct dmx_section_feed* feed,
+ struct dmx_section_filter** filter);
+ int (*release_filter) (struct dmx_section_feed* feed,
+ struct dmx_section_filter* filter);
+ int (*start_filtering) (struct dmx_section_feed* feed);
+ int (*stop_filtering) (struct dmx_section_feed* feed);
};
-/*--------------------------------------------------------------------------*/
-/* Callback functions */
-/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
+/* Callback functions */
+/*--------------------------------------------------------------------------*/
-typedef int (*dmx_ts_cb) ( const u8 * buffer1,
+typedef int (*dmx_ts_cb) ( const u8 * buffer1,
size_t buffer1_length,
- const u8 * buffer2,
+ const u8 * buffer2,
size_t buffer2_length,
- struct dmx_ts_feed* source,
- enum dmx_success success);
+ struct dmx_ts_feed* source,
+ enum dmx_success success);
typedef int (*dmx_section_cb) ( const u8 * buffer1,
size_t buffer1_len,
- const u8 * buffer2,
+ const u8 * buffer2,
size_t buffer2_len,
- struct dmx_section_filter * source,
- enum dmx_success success);
+ struct dmx_section_filter * source,
+ enum dmx_success success);
-/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
/* DVB Front-End */
-/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
-enum dmx_frontend_source {
+enum dmx_frontend_source {
DMX_MEMORY_FE,
DMX_FRONTEND_0,
DMX_FRONTEND_1,
DMX_STREAM_1,
DMX_STREAM_2,
DMX_STREAM_3
-};
+};
-struct dmx_frontend {
- struct list_head connectivity_list; /* List of front-ends that can
- be connected to a particular
- demux */
- void* priv; /* Pointer to private data of the API client */
+struct dmx_frontend {
+ struct list_head connectivity_list; /* List of front-ends that can
+ be connected to a particular
+ demux */
+ void* priv; /* Pointer to private data of the API client */
enum dmx_frontend_source source;
};
-/*--------------------------------------------------------------------------*/
-/* MPEG-2 TS Demux */
-/*--------------------------------------------------------------------------*/
-
-/*
- * Flags OR'ed in the capabilites field of struct dmx_demux.
- */
-
-#define DMX_TS_FILTERING 1
-#define DMX_PES_FILTERING 2
-#define DMX_SECTION_FILTERING 4
-#define DMX_MEMORY_BASED_FILTERING 8 /* write() available */
-#define DMX_CRC_CHECKING 16
-#define DMX_TS_DESCRAMBLING 32
-#define DMX_SECTION_PAYLOAD_DESCRAMBLING 64
-#define DMX_MAC_ADDRESS_DESCRAMBLING 128
-
-/*
- * Demux resource type identifier.
-*/
-
-/*
- * DMX_FE_ENTRY(): Casts elements in the list of registered
+/*--------------------------------------------------------------------------*/
+/* MPEG-2 TS Demux */
+/*--------------------------------------------------------------------------*/
+
+/*
+ * Flags OR'ed in the capabilites field of struct dmx_demux.
+ */
+
+#define DMX_TS_FILTERING 1
+#define DMX_PES_FILTERING 2
+#define DMX_SECTION_FILTERING 4
+#define DMX_MEMORY_BASED_FILTERING 8 /* write() available */
+#define DMX_CRC_CHECKING 16
+#define DMX_TS_DESCRAMBLING 32
+#define DMX_SECTION_PAYLOAD_DESCRAMBLING 64
+#define DMX_MAC_ADDRESS_DESCRAMBLING 128
+
+/*
+ * Demux resource type identifier.
+*/
+
+/*
+ * DMX_FE_ENTRY(): Casts elements in the list of registered
* front-ends from the generic type struct list_head
* to the type * struct dmx_frontend
- *.
+ *.
*/
-#define DMX_FE_ENTRY(list) list_entry(list, struct dmx_frontend, connectivity_list)
+#define DMX_FE_ENTRY(list) list_entry(list, struct dmx_frontend, connectivity_list)
-struct dmx_demux {
- u32 capabilities; /* Bitfield of capability flags */
- struct dmx_frontend* frontend; /* Front-end connected to the demux */
+struct dmx_demux {
+ u32 capabilities; /* Bitfield of capability flags */
+ struct dmx_frontend* frontend; /* Front-end connected to the demux */
struct list_head reg_list; /* List of registered demuxes */
- void* priv; /* Pointer to private data of the API client */
+ void* priv; /* Pointer to private data of the API client */
int users; /* Number of users */
- int (*open) (struct dmx_demux* demux);
- int (*close) (struct dmx_demux* demux);
- int (*write) (struct dmx_demux* demux, const char* buf, size_t count);
- int (*allocate_ts_feed) (struct dmx_demux* demux,
- struct dmx_ts_feed** feed,
- dmx_ts_cb callback);
- int (*release_ts_feed) (struct dmx_demux* demux,
- struct dmx_ts_feed* feed);
- int (*allocate_section_feed) (struct dmx_demux* demux,
- struct dmx_section_feed** feed,
- dmx_section_cb callback);
+ int (*open) (struct dmx_demux* demux);
+ int (*close) (struct dmx_demux* demux);
+ int (*write) (struct dmx_demux* demux, const char* buf, size_t count);
+ int (*allocate_ts_feed) (struct dmx_demux* demux,
+ struct dmx_ts_feed** feed,
+ dmx_ts_cb callback);
+ int (*release_ts_feed) (struct dmx_demux* demux,
+ struct dmx_ts_feed* feed);
+ int (*allocate_section_feed) (struct dmx_demux* demux,
+ struct dmx_section_feed** feed,
+ dmx_section_cb callback);
int (*release_section_feed) (struct dmx_demux* demux,
- struct dmx_section_feed* feed);
- int (*descramble_mac_address) (struct dmx_demux* demux,
- u8* buffer1,
- size_t buffer1_length,
- u8* buffer2,
+ struct dmx_section_feed* feed);
+ int (*descramble_mac_address) (struct dmx_demux* demux,
+ u8* buffer1,
+ size_t buffer1_length,
+ u8* buffer2,
size_t buffer2_length,
- u16 pid);
+ u16 pid);
int (*descramble_section_payload) (struct dmx_demux* demux,
- u8* buffer1,
+ u8* buffer1,
size_t buffer1_length,
u8* buffer2, size_t buffer2_length,
- u16 pid);
- int (*add_frontend) (struct dmx_demux* demux,
- struct dmx_frontend* frontend);
+ u16 pid);
+ int (*add_frontend) (struct dmx_demux* demux,
+ struct dmx_frontend* frontend);
int (*remove_frontend) (struct dmx_demux* demux,
- struct dmx_frontend* frontend);
- struct list_head* (*get_frontends) (struct dmx_demux* demux);
- int (*connect_frontend) (struct dmx_demux* demux,
- struct dmx_frontend* frontend);
- int (*disconnect_frontend) (struct dmx_demux* demux);
+ struct dmx_frontend* frontend);
+ struct list_head* (*get_frontends) (struct dmx_demux* demux);
+ int (*connect_frontend) (struct dmx_demux* demux,
+ struct dmx_frontend* frontend);
+ int (*disconnect_frontend) (struct dmx_demux* demux);
int (*get_pes_pids) (struct dmx_demux* demux, u16 *pids);
int (*get_stc) (struct dmx_demux* demux, unsigned int num,
u64 *stc, unsigned int *base);
-};
+};
-/*--------------------------------------------------------------------------*/
-/* Demux directory */
-/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
+/* Demux directory */
+/*--------------------------------------------------------------------------*/
-/*
- * DMX_DIR_ENTRY(): Casts elements in the list of registered
+/*
+ * DMX_DIR_ENTRY(): Casts elements in the list of registered
* demuxes from the generic type struct list_head* to the type struct dmx_demux
- *.
- */
+ *.
+ */
#define DMX_DIR_ENTRY(list) list_entry(list, struct dmx_demux, reg_list)
-int dmx_register_demux (struct dmx_demux* demux);
-int dmx_unregister_demux (struct dmx_demux* demux);
-struct list_head* dmx_get_demuxes (void);
-
#endif /* #ifndef __DEMUX_H */
-
git://git.onelab.eu / linux-2.6.git / blobdiff