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authorFabrice Bellard <fabrice@bellard.org>2002-07-24 17:49:11 +0000
committerFabrice Bellard <fabrice@bellard.org>2002-07-24 17:49:11 +0000
commitf031df23feb2b4211a96fc0ac602dc1f6a0432a7 (patch)
treed7e52e421668790dca65047e975db5bc5292c6a3 /libav
parent2d225591e97f407ce9ae794d698fcb5d15d009a2 (diff)
downloadffmpeg-f031df23feb2b4211a96fc0ac602dc1f6a0432a7.tar.gz
api change for packet based protocols (such as UDP and RTP)
Originally committed as revision 794 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libav')
-rw-r--r--libav/avio.h35
1 files changed, 27 insertions, 8 deletions
diff --git a/libav/avio.h b/libav/avio.h
index 36263167a8..2c13c0377c 100644
--- a/libav/avio.h
+++ b/libav/avio.h
@@ -1,3 +1,6 @@
+#ifndef AVIO_H
+#define AVIO_H
+
/* output byte stream handling */
typedef INT64 offset_t;
@@ -8,7 +11,7 @@ struct URLContext {
struct URLProtocol *prot;
int flags;
int is_streamed; /* true if streamed (no seek possible), default = false */
- int packet_size;
+ int max_packet_size; /* if non zero, the stream is packetized with this max packet size */
void *priv_data;
};
@@ -22,6 +25,8 @@ typedef struct URLPollEntry {
#define URL_RDONLY 0
#define URL_WRONLY 1
+#define URL_RDWR 2
+
int url_open(URLContext **h, const char *filename, int flags);
int url_read(URLContext *h, unsigned char *buf, int size);
int url_write(URLContext *h, unsigned char *buf, int size);
@@ -29,6 +34,7 @@ offset_t url_seek(URLContext *h, offset_t pos, int whence);
int url_close(URLContext *h);
int url_exist(const char *filename);
offset_t url_filesize(URLContext *h);
+int url_get_max_packet_size(URLContext *h);
/* not implemented */
int url_poll(URLPollEntry *poll_table, int n, int timeout);
@@ -59,7 +65,7 @@ typedef struct {
int eof_reached; /* true if eof reached */
int write_flag; /* true if open for writing */
int is_streamed;
- int packet_size;
+ int max_packet_size;
} ByteIOContext;
int init_put_byte(ByteIOContext *s,
@@ -86,6 +92,11 @@ void url_fskip(ByteIOContext *s, offset_t offset);
offset_t url_ftell(ByteIOContext *s);
int url_feof(ByteIOContext *s);
+#define URL_EOF (-1)
+int url_fgetc(ByteIOContext *s);
+int url_fprintf(ByteIOContext *s, const char *fmt, ...);
+char *url_fgets(ByteIOContext *s, char *buf, int buf_size);
+
void put_flush_packet(ByteIOContext *s);
int get_buffer(ByteIOContext *s, unsigned char *buf, int size);
@@ -102,28 +113,36 @@ static inline int url_is_streamed(ByteIOContext *s)
{
return s->is_streamed;
}
-/* get the prefered packet size of the device. All I/Os should be done
- by multiple of this size */
-static inline int url_get_packet_size(ByteIOContext *s)
-{
- return s->packet_size;
-}
int url_fdopen(ByteIOContext *s, URLContext *h);
int url_setbufsize(ByteIOContext *s, int buf_size);
int url_fopen(ByteIOContext *s, const char *filename, int flags);
int url_fclose(ByteIOContext *s);
URLContext *url_fileno(ByteIOContext *s);
+int url_fget_max_packet_size(ByteIOContext *s);
int url_open_buf(ByteIOContext *s, UINT8 *buf, int buf_size, int flags);
int url_close_buf(ByteIOContext *s);
+int url_open_dyn_buf(ByteIOContext *s);
+int url_open_dyn_packet_buf(ByteIOContext *s, int max_packet_size);
+int url_close_dyn_buf(ByteIOContext *s, UINT8 **pbuffer);
+
/* file.c */
extern URLProtocol file_protocol;
extern URLProtocol pipe_protocol;
/* udp.c */
extern URLProtocol udp_protocol;
+int udp_set_remote_url(URLContext *h, const char *uri);
+int udp_get_local_port(URLContext *h);
+int udp_get_file_handle(URLContext *h);
+
+/* tcp.c */
+extern URLProtocol tcp_protocol;
/* http.c */
extern URLProtocol http_protocol;
+
+#endif
+