Hello,
Obviously, "no_mdat" is true if moov resides before mdat.
On May 14, 2014, at 6:59 AM, liubin <yurner...@gmail.com> wrote:
> Hi:
> As i new to mp4 file format,i confused about the comment.
> "send original file if moov atom resides before mdat atom and client
> requests integral file”
> Should the “before” should be changed with “after”?
> Sorry about my poor English.
>
>
> ngx_http_mp4_module.c
>
> static ngx_int_t
> ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
> {
> ngx_int_t rc;
> ngx_uint_t no_mdat;
> ngx_buf_t *atom;
> ngx_http_mp4_conf_t *conf;
>
> ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom");
>
> no_mdat = (mp4->mdat_atom.buf == NULL);
>
> if (no_mdat && mp4->start == 0 && mp4->length == 0) {
> /*
> * send original file if moov atom resides before
> * mdat atom and client requests integral file
> */
> return NGX_DECLINED;
> }
>
>
> Best regards,
> -yurnero
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