*/
#define SHORT_SEEK_THRESHOLD 4096
-typedef struct AVIOInternal {
- URLContext *h;
-} AVIOInternal;
-
static void *ff_avio_child_next(void *obj, void *prev)
{
AVIOContext *s = obj;
- AVIOInternal *internal = s->opaque;
- return prev ? NULL : internal->h;
+ return prev ? NULL : s->opaque;
}
static const AVClass *ff_avio_child_class_next(const AVClass *prev)
return val;
}
-static int io_read_packet(void *opaque, uint8_t *buf, int buf_size)
-{
- AVIOInternal *internal = opaque;
- return ffurl_read(internal->h, buf, buf_size);
-}
-
-static int io_write_packet(void *opaque, uint8_t *buf, int buf_size)
-{
- AVIOInternal *internal = opaque;
- return ffurl_write(internal->h, buf, buf_size);
-}
-
-static int64_t io_seek(void *opaque, int64_t offset, int whence)
-{
- AVIOInternal *internal = opaque;
- return ffurl_seek(internal->h, offset, whence);
-}
-
-static int io_short_seek(void *opaque)
-{
- AVIOInternal *internal = opaque;
- return ffurl_get_short_seek(internal->h);
-}
-
-static int io_read_pause(void *opaque, int pause)
-{
- AVIOInternal *internal = opaque;
- if (!internal->h->prot->url_read_pause)
- return AVERROR(ENOSYS);
- return internal->h->prot->url_read_pause(internal->h, pause);
-}
-
-static int64_t io_read_seek(void *opaque, int stream_index, int64_t timestamp, int flags)
-{
- AVIOInternal *internal = opaque;
- if (!internal->h->prot->url_read_seek)
- return AVERROR(ENOSYS);
- return internal->h->prot->url_read_seek(internal->h, stream_index, timestamp, flags);
-}
-
int ffio_fdopen(AVIOContext **s, URLContext *h)
{
- AVIOInternal *internal = NULL;
uint8_t *buffer = NULL;
int buffer_size, max_packet_size;
if (!buffer)
return AVERROR(ENOMEM);
- internal = av_mallocz(sizeof(*internal));
- if (!internal)
- goto fail;
-
- internal->h = h;
-
- *s = avio_alloc_context(buffer, buffer_size, h->flags & AVIO_FLAG_WRITE,
- internal, io_read_packet, io_write_packet, io_seek);
+ *s = avio_alloc_context(buffer, buffer_size, h->flags & AVIO_FLAG_WRITE, h,
+ (int (*)(void *, uint8_t *, int)) ffurl_read,
+ (int (*)(void *, uint8_t *, int)) ffurl_write,
+ (int64_t (*)(void *, int64_t, int))ffurl_seek);
if (!*s)
goto fail;
(*s)->max_packet_size = max_packet_size;
(*s)->min_packet_size = h->min_packet_size;
if(h->prot) {
- (*s)->read_pause = io_read_pause;
- (*s)->read_seek = io_read_seek;
+ (*s)->read_pause = (int (*)(void *, int))h->prot->url_read_pause;
+ (*s)->read_seek =
+ (int64_t (*)(void *, int, int64_t, int))h->prot->url_read_seek;
if (h->prot->url_read_seek)
(*s)->seekable |= AVIO_SEEKABLE_TIME;
}
- (*s)->short_seek_get = io_short_seek;
+ (*s)->short_seek_get = (int (*)(void *))ffurl_get_short_seek;
(*s)->av_class = &ff_avio_class;
return 0;
fail:
- av_freep(&internal);
av_freep(&buffer);
return AVERROR(ENOMEM);
}
URLContext* ffio_geturlcontext(AVIOContext *s)
{
- AVIOInternal *internal;
if (!s)
return NULL;
- internal = s->opaque;
- if (internal && s->read_packet == io_read_packet)
- return internal->h;
+ if (s->opaque && s->read_packet == (int (*)(void *, uint8_t *, int))ffurl_read)
+ return s->opaque;
else
return NULL;
}
int avio_close(AVIOContext *s)
{
- AVIOInternal *internal;
URLContext *h;
if (!s)
return 0;
avio_flush(s);
- internal = s->opaque;
- h = internal->h;
+ h = s->opaque;
+ s->opaque = NULL;
- av_freep(&s->opaque);
av_freep(&s->buffer);
if (s->write_flag)
av_log(s, AV_LOG_VERBOSE, "Statistics: %d seeks, %d writeouts\n", s->seek_count, s->writeout_count);
int avio_accept(AVIOContext *s, AVIOContext **c)
{
int ret;
- AVIOInternal *internal = s->opaque;
- URLContext *sc = internal->h;
+ URLContext *sc = s->opaque;
URLContext *cc = NULL;
ret = ffurl_accept(sc, &cc);
if (ret < 0)
int avio_handshake(AVIOContext *c)
{
- AVIOInternal *internal = c->opaque;
- URLContext *cc = internal->h;
+ URLContext *cc = c->opaque;
return ffurl_handshake(cc);
}