static int http_read_stream(URLContext *h, uint8_t *buf, int size)

{

    HTTPContext *s = h->priv_data;

    int err, new_location;



    if (!s->hd)

        return AVERROR_EOF;



    if (s->end_chunked_post && !s->end_header) {

        err = http_read_header(h, &new_location);

        if (err < 0)

            return err;

    }



    if (s->chunksize >= 0) {

        if (!s->chunksize) {

            char line[32];



            for (;;) {

                do {

                    if ((err = http_get_line(s, line, sizeof(line))) < 0)

                        return err;

                } while (!*line);    



                s->chunksize = strtoll(line, NULL, 16);



                av_log(NULL, AV_LOG_TRACE, "Chunked encoding data size: %"PRId64"'\n",

                        s->chunksize);



                if (!s->chunksize)

                    return 0;

                break;

            }

        }

        size = FFMIN(size, s->chunksize);

    }

#if CONFIG_ZLIB

    if (s->compressed)

        return http_buf_read_compressed(h, buf, size);

#endif 

    return http_buf_read(h, buf, size);

}
