* function pointers specified in avio_alloc_context()
*/
typedef struct {
-#if !FF_API_OLD_AVIO
/**
* A class for private options.
*
* to any av_opt_* functions in that case.
*/
AVClass *av_class;
-#endif
unsigned char *buffer; /**< Start of the buffer. */
int buffer_size; /**< Maximum buffer size */
unsigned char *buf_ptr; /**< Current position in the buffer */
int must_flush; /**< true if the next seek should flush */
int eof_reached; /**< true if eof reached */
int write_flag; /**< true if open for writing */
-#if FF_API_OLD_AVIO
- attribute_deprecated int is_streamed;
-#endif
int max_packet_size;
unsigned long checksum;
unsigned char *checksum_ptr;
/* unbuffered I/O */
-#if FF_API_OLD_AVIO
-/**
- * URL Context.
- * New fields can be added to the end with minor version bumps.
- * Removal, reordering and changes to existing fields require a major
- * version bump.
- * sizeof(URLContext) must not be used outside libav*.
- * @deprecated This struct will be made private
- */
-typedef struct URLContext {
- const AVClass *av_class; ///< information for av_log(). Set by url_open().
- struct URLProtocol *prot;
- int flags;
- int is_streamed; /**< true if streamed (no seek possible), default = false */
- int max_packet_size; /**< if non zero, the stream is packetized with this max packet size */
- void *priv_data;
- char *filename; /**< specified URL */
- int is_connected;
- AVIOInterruptCB interrupt_callback;
-} URLContext;
-
-#define URL_PROTOCOL_FLAG_NESTED_SCHEME 1 /*< The protocol name can be the first part of a nested protocol scheme */
-#define URL_PROTOCOL_FLAG_NETWORK 2 /*< The protocol uses network */
-
-/**
- * @deprecated This struct is to be made private. Use the higher-level
- * AVIOContext-based API instead.
- */
-typedef struct URLProtocol {
- const char *name;
- int (*url_open)(URLContext *h, const char *url, int flags);
- int (*url_read)(URLContext *h, unsigned char *buf, int size);
- int (*url_write)(URLContext *h, const unsigned char *buf, int size);
- int64_t (*url_seek)(URLContext *h, int64_t pos, int whence);
- int (*url_close)(URLContext *h);
- struct URLProtocol *next;
- int (*url_read_pause)(URLContext *h, int pause);
- int64_t (*url_read_seek)(URLContext *h, int stream_index,
- int64_t timestamp, int flags);
- int (*url_get_file_handle)(URLContext *h);
- int priv_data_size;
- const AVClass *priv_data_class;
- int flags;
- int (*url_check)(URLContext *h, int mask);
-} URLProtocol;
-
-typedef struct URLPollEntry {
- URLContext *handle;
- int events;
- int revents;
-} URLPollEntry;
-
-/* not implemented */
-attribute_deprecated int url_poll(URLPollEntry *poll_table, int n, int timeout);
-
-/**
- * @name URL open modes
- * The flags argument to url_open and cosins must be one of the following
- * constants, optionally ORed with other flags.
- * @{
- */
-#define URL_RDONLY 1 /**< read-only */
-#define URL_WRONLY 2 /**< write-only */
-#define URL_RDWR (URL_RDONLY|URL_WRONLY) /**< read-write */
-/**
- * @}
- */
-
-/**
- * Use non-blocking mode.
- * If this flag is set, operations on the context will return
- * AVERROR(EAGAIN) if they can not be performed immediately.
- * If this flag is not set, operations on the context will never return
- * AVERROR(EAGAIN).
- * Note that this flag does not affect the opening/connecting of the
- * context. Connecting a protocol will always block if necessary (e.g. on
- * network protocols) but never hang (e.g. on busy devices).
- * Warning: non-blocking protocols is work-in-progress; this flag may be
- * silently ignored.
- */
-#define URL_FLAG_NONBLOCK 8
-
-typedef int URLInterruptCB(void);
-extern URLInterruptCB *url_interrupt_cb;
-
-/**
- * @defgroup old_url_funcs Old url_* functions
- * The following functions are deprecated. Use the buffered API based on #AVIOContext instead.
- * @{
- * @ingroup lavf_io
- */
-attribute_deprecated int url_open_protocol (URLContext **puc, struct URLProtocol *up,
- const char *url, int flags);
-attribute_deprecated int url_alloc(URLContext **h, const char *url, int flags);
-attribute_deprecated int url_connect(URLContext *h);
-attribute_deprecated int url_open(URLContext **h, const char *url, int flags);
-attribute_deprecated int url_read(URLContext *h, unsigned char *buf, int size);
-attribute_deprecated int url_read_complete(URLContext *h, unsigned char *buf, int size);
-attribute_deprecated int url_write(URLContext *h, const unsigned char *buf, int size);
-attribute_deprecated int64_t url_seek(URLContext *h, int64_t pos, int whence);
-attribute_deprecated int url_close(URLContext *h);
-attribute_deprecated int64_t url_filesize(URLContext *h);
-attribute_deprecated int url_get_file_handle(URLContext *h);
-attribute_deprecated int url_get_max_packet_size(URLContext *h);
-attribute_deprecated void url_get_filename(URLContext *h, char *buf, int buf_size);
-attribute_deprecated int av_url_read_pause(URLContext *h, int pause);
-attribute_deprecated int64_t av_url_read_seek(URLContext *h, int stream_index,
- int64_t timestamp, int flags);
-attribute_deprecated void url_set_interrupt_cb(int (*interrupt_cb)(void));
-
-/**
- * returns the next registered protocol after the given protocol (the first if
- * NULL is given), or NULL if protocol is the last one.
- */
-URLProtocol *av_protocol_next(URLProtocol *p);
-
-/**
- * Register the URLProtocol protocol.
- *
- * @param size the size of the URLProtocol struct referenced
- */
-attribute_deprecated int av_register_protocol2(URLProtocol *protocol, int size);
-/**
- * @}
- */
-
-
-typedef attribute_deprecated AVIOContext ByteIOContext;
-
-attribute_deprecated int init_put_byte(AVIOContext *s,
- unsigned char *buffer,
- int buffer_size,
- int write_flag,
- void *opaque,
- int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
- int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
- int64_t (*seek)(void *opaque, int64_t offset, int whence));
-attribute_deprecated AVIOContext *av_alloc_put_byte(
- unsigned char *buffer,
- int buffer_size,
- int write_flag,
- void *opaque,
- int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
- int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
- int64_t (*seek)(void *opaque, int64_t offset, int whence));
-
-/**
- * @defgroup old_avio_funcs Old put_/get_*() functions
- * The following functions are deprecated. Use the "avio_"-prefixed functions instead.
- * @{
- * @ingroup lavf_io
- */
-attribute_deprecated int get_buffer(AVIOContext *s, unsigned char *buf, int size);
-attribute_deprecated int get_partial_buffer(AVIOContext *s, unsigned char *buf, int size);
-attribute_deprecated int get_byte(AVIOContext *s);
-attribute_deprecated unsigned int get_le16(AVIOContext *s);
-attribute_deprecated unsigned int get_le24(AVIOContext *s);
-attribute_deprecated unsigned int get_le32(AVIOContext *s);
-attribute_deprecated uint64_t get_le64(AVIOContext *s);
-attribute_deprecated unsigned int get_be16(AVIOContext *s);
-attribute_deprecated unsigned int get_be24(AVIOContext *s);
-attribute_deprecated unsigned int get_be32(AVIOContext *s);
-attribute_deprecated uint64_t get_be64(AVIOContext *s);
-
-attribute_deprecated void put_byte(AVIOContext *s, int b);
-attribute_deprecated void put_nbyte(AVIOContext *s, int b, int count);
-attribute_deprecated void put_buffer(AVIOContext *s, const unsigned char *buf, int size);
-attribute_deprecated void put_le64(AVIOContext *s, uint64_t val);
-attribute_deprecated void put_be64(AVIOContext *s, uint64_t val);
-attribute_deprecated void put_le32(AVIOContext *s, unsigned int val);
-attribute_deprecated void put_be32(AVIOContext *s, unsigned int val);
-attribute_deprecated void put_le24(AVIOContext *s, unsigned int val);
-attribute_deprecated void put_be24(AVIOContext *s, unsigned int val);
-attribute_deprecated void put_le16(AVIOContext *s, unsigned int val);
-attribute_deprecated void put_be16(AVIOContext *s, unsigned int val);
-attribute_deprecated void put_tag(AVIOContext *s, const char *tag);
-/**
- * @}
- */
-
-attribute_deprecated int av_url_read_fpause(AVIOContext *h, int pause);
-attribute_deprecated int64_t av_url_read_fseek (AVIOContext *h, int stream_index,
- int64_t timestamp, int flags);
-
-/**
- * @defgroup old_url_f_funcs Old url_f* functions
- * The following functions are deprecated, use the "avio_"-prefixed functions instead.
- * @{
- * @ingroup lavf_io
- */
-attribute_deprecated int url_fopen( AVIOContext **s, const char *url, int flags);
-attribute_deprecated int url_fclose(AVIOContext *s);
-attribute_deprecated int64_t url_fseek(AVIOContext *s, int64_t offset, int whence);
-attribute_deprecated int url_fskip(AVIOContext *s, int64_t offset);
-attribute_deprecated int64_t url_ftell(AVIOContext *s);
-attribute_deprecated int64_t url_fsize(AVIOContext *s);
-#define URL_EOF (-1)
-attribute_deprecated int url_fgetc(AVIOContext *s);
-attribute_deprecated int url_setbufsize(AVIOContext *s, int buf_size);
-attribute_deprecated int url_fprintf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
-attribute_deprecated void put_flush_packet(AVIOContext *s);
-attribute_deprecated int url_open_dyn_buf(AVIOContext **s);
-attribute_deprecated int url_open_dyn_packet_buf(AVIOContext **s, int max_packet_size);
-attribute_deprecated int url_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer);
-attribute_deprecated int url_fdopen(AVIOContext **s, URLContext *h);
-/**
- * @}
- */
-
-attribute_deprecated int url_ferror(AVIOContext *s);
-
-attribute_deprecated int udp_set_remote_url(URLContext *h, const char *uri);
-attribute_deprecated int udp_get_local_port(URLContext *h);
-
-attribute_deprecated void init_checksum(AVIOContext *s,
- unsigned long (*update_checksum)(unsigned long c, const uint8_t *p, unsigned int len),
- unsigned long checksum);
-attribute_deprecated unsigned long get_checksum(AVIOContext *s);
-attribute_deprecated void put_strz(AVIOContext *s, const char *buf);
-/** @note unlike fgets, the EOL character is not returned and a whole
- line is parsed. return NULL if first char read was EOF */
-attribute_deprecated char *url_fgets(AVIOContext *s, char *buf, int buf_size);
-/**
- * @deprecated use avio_get_str instead
- */
-attribute_deprecated char *get_strz(AVIOContext *s, char *buf, int maxlen);
-/**
- * @deprecated Use AVIOContext.seekable field directly.
- */
-attribute_deprecated static inline int url_is_streamed(AVIOContext *s)
-{
- return !s->seekable;
-}
-attribute_deprecated URLContext *url_fileno(AVIOContext *s);
-
-/**
- * @deprecated use AVIOContext.max_packet_size directly.
- */
-attribute_deprecated int url_fget_max_packet_size(AVIOContext *s);
-
-attribute_deprecated int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags);
-
-/** return the written or read size */
-attribute_deprecated int url_close_buf(AVIOContext *s);
-
-/**
- * Return a non-zero value if the resource indicated by url
- * exists, 0 otherwise.
- * @deprecated Use avio_check instead.
- */
-attribute_deprecated int url_exist(const char *url);
-#endif // FF_API_OLD_AVIO
-
/**
* Return AVIO_FLAG_* access flags corresponding to the access permissions
* of the resource in url, or a negative value corresponding to an
*/
int avio_check(const char *url, int flags);
-#if FF_API_OLD_INTERRUPT_CB
-/**
- * The callback is called in blocking functions to test regulary if
- * asynchronous interruption is needed. AVERROR_EXIT is returned
- * in this case by the interrupted function. 'NULL' means no interrupt
- * callback is given.
- * @deprecated Use interrupt_callback in AVFormatContext/avio_open2
- * instead.
- */
-attribute_deprecated void avio_set_interrupt_cb(int (*interrupt_cb)(void));
-#endif
-
/**
* Allocate and initialize an AVIOContext for buffered I/O. It must be later
* freed with av_free().
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