int init_put_byte(ByteIOContext *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),
offset_t (*seek)(void *opaque, offset_t offset, int whence))
{
s->buffer = buffer;
s->buffer_size = buffer_size;
s->buf_ptr = buffer;
url_resetbuf(s, write_flag ? URL_WRONLY : URL_RDONLY);
s->opaque = opaque;
s->write_packet = write_packet;
s->read_packet = read_packet;
s->seek = seek;
s->pos = 0;
s->must_flush = 0;
s->eof_reached = 0;
s->error = 0;
s->is_streamed = 0;
s->max_packet_size = 0;
s->update_checksum= NULL;
if(!read_packet && !write_flag){
s->pos = buffer_size;
s->buf_end = s->buffer + buffer_size;
}
s->read_pause = NULL;
s->read_seek = NULL;
return 0;
}
int ffio_init_context(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))
{
s->buffer = buffer;
s->buffer_size = buffer_size;
s->buf_ptr = buffer;
s->opaque = opaque;
url_resetbuf(s, write_flag ? AVIO_FLAG_WRITE : AVIO_FLAG_READ);
s->write_packet = write_packet;
s->read_packet = read_packet;
s->seek = seek;
s->pos = 0;
s->must_flush = 0;
s->eof_reached = 0;
s->error = 0;
#if FF_API_OLD_AVIO
s->is_streamed = 0;
#endif
s->seekable = AVIO_SEEKABLE_NORMAL;
s->max_packet_size = 0;
s->update_checksum= NULL;
if(!read_packet && !write_flag){
s->pos = buffer_size;
s->buf_end = s->buffer + buffer_size;
}
s->read_pause = NULL;
s->read_seek = NULL;
return 0;
}
int ffio_init_context(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))
{
s->buffer = buffer;
s->orig_buffer_size =
s->buffer_size = buffer_size;
s->buf_ptr = buffer;
s->buf_ptr_max = buffer;
s->opaque = opaque;
s->direct = 0;
url_resetbuf(s, write_flag ? AVIO_FLAG_WRITE : AVIO_FLAG_READ);
s->write_packet = write_packet;
s->read_packet = read_packet;
s->seek = seek;
s->pos = 0;
s->eof_reached = 0;
s->error = 0;
s->seekable = seek ? AVIO_SEEKABLE_NORMAL : 0;
s->min_packet_size = 0;
s->max_packet_size = 0;
s->update_checksum = NULL;
s->short_seek_threshold = SHORT_SEEK_THRESHOLD;
if (!read_packet && !write_flag) {
s->pos = buffer_size;
s->buf_end = s->buffer + buffer_size;
}
s->read_pause = NULL;
s->read_seek = NULL;
s->write_data_type = NULL;
s->ignore_boundary_point = 0;
s->current_type = AVIO_DATA_MARKER_UNKNOWN;
s->last_time = AV_NOPTS_VALUE;
s->short_seek_get = NULL;
s->written = 0;
return 0;
}
int ffio_init_context(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))
{
s->buffer = buffer;
s->orig_buffer_size =
s->buffer_size = buffer_size;
s->buf_ptr = buffer;
s->opaque = opaque;
s->direct = 0;
url_resetbuf(s, write_flag ? AVIO_FLAG_WRITE : AVIO_FLAG_READ);
s->write_packet = write_packet;
s->read_packet = read_packet;
s->seek = seek;
s->pos = 0;
s->must_flush = 0;
s->eof_reached = 0;
s->error = 0;
s->seekable = seek ? AVIO_SEEKABLE_NORMAL : 0;
s->max_packet_size = 0;
s->update_checksum = NULL;
s->short_seek_threshold = SHORT_SEEK_THRESHOLD;
if (!read_packet && !write_flag) {
s->pos = buffer_size;
s->buf_end = s->buffer + buffer_size;
}
s->read_pause = NULL;
s->read_seek = NULL;
return 0;
}