static apr_status_t store_headers(cache_handle_t *h, request_rec *r, cache_info *info)
{
disk_cache_conf *conf = ap_get_module_config(r->server->module_config,
&disk_cache_module);
apr_status_t rv;
apr_size_t amt;
disk_cache_object_t *dobj = (disk_cache_object_t*) h->cache_obj->vobj;
disk_cache_info_t disk_info;
struct iovec iov[2];
/* This is flaky... we need to manage the cache_info differently */
h->cache_obj->info = *info;
if (r->headers_out) {
const char *tmp;
tmp = apr_table_get(r->headers_out, "Vary");
if (tmp) {
apr_array_header_t* varray;
apr_uint32_t format = VARY_FORMAT_VERSION;
/* If we were initially opened as a vary format, rollback
* that internal state for the moment so we can recreate the
* vary format hints in the appropriate directory.
*/
if (dobj->prefix) {
dobj->hdrsfile = dobj->prefix;
dobj->prefix = NULL;
}
mkdir_structure(conf, dobj->hdrsfile, r->pool);
rv = apr_file_mktemp(&dobj->tfd, dobj->tempfile,
APR_CREATE | APR_WRITE | APR_BINARY | APR_EXCL,
r->pool);
if (rv != APR_SUCCESS) {
return rv;
}
amt = sizeof(format);
apr_file_write(dobj->tfd, &format, &amt);
amt = sizeof(info->expire);
apr_file_write(dobj->tfd, &info->expire, &amt);
varray = apr_array_make(r->pool, 6, sizeof(char*));
tokens_to_array(r->pool, tmp, varray);
store_array(dobj->tfd, varray);
apr_file_close(dobj->tfd);
dobj->tfd = NULL;
rv = safe_file_rename(conf, dobj->tempfile, dobj->hdrsfile,
r->pool);
if (rv != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_WARNING, rv, r->server,
"disk_cache: rename tempfile to varyfile failed: %s -> %s",
dobj->tempfile, dobj->hdrsfile);
apr_file_remove(dobj->tempfile, r->pool);
return rv;
}
dobj->tempfile = apr_pstrcat(r->pool, conf->cache_root, AP_TEMPFILE, NULL);
tmp = regen_key(r->pool, r->headers_in, varray, dobj->name);
dobj->prefix = dobj->hdrsfile;
dobj->hashfile = NULL;
dobj->datafile = data_file(r->pool, conf, dobj, tmp);
dobj->hdrsfile = header_file(r->pool, conf, dobj, tmp);
}
}
rv = apr_file_mktemp(&dobj->hfd, dobj->tempfile,
APR_CREATE | APR_WRITE | APR_BINARY |
APR_BUFFERED | APR_EXCL, r->pool);
if (rv != APR_SUCCESS) {
return rv;
}
disk_info.format = DISK_FORMAT_VERSION;
disk_info.date = info->date;
disk_info.expire = info->expire;
disk_info.entity_version = dobj->disk_info.entity_version++;
disk_info.request_time = info->request_time;
disk_info.response_time = info->response_time;
disk_info.status = info->status;
disk_info.name_len = strlen(dobj->name);
iov[0].iov_base = (void*)&disk_info;
iov[0].iov_len = sizeof(disk_cache_info_t);
iov[1].iov_base = (void*)dobj->name;
iov[1].iov_len = disk_info.name_len;
rv = apr_file_writev(dobj->hfd, (const struct iovec *) &iov, 2, &amt);
if (rv != APR_SUCCESS) {
return rv;
}
if (r->headers_out) {
apr_table_t *headers_out;
headers_out = ap_cache_cacheable_hdrs_out(r->pool, r->headers_out,
r->server);
if (!apr_table_get(headers_out, "Content-Type")
&& r->content_type) {
apr_table_setn(headers_out, "Content-Type",
ap_make_content_type(r, r->content_type));
}
headers_out = apr_table_overlay(r->pool, headers_out,
r->err_headers_out);
rv = store_table(dobj->hfd, headers_out);
if (rv != APR_SUCCESS) {
return rv;
}
}
/* Parse the vary header and dump those fields from the headers_in. */
/* FIXME: Make call to the same thing cache_select calls to crack Vary. */
if (r->headers_in) {
apr_table_t *headers_in;
headers_in = ap_cache_cacheable_hdrs_out(r->pool, r->headers_in,
r->server);
rv = store_table(dobj->hfd, headers_in);
if (rv != APR_SUCCESS) {
return rv;
}
}
apr_file_close(dobj->hfd); /* flush and close */
/* Remove old file with the same name. If remove fails, then
* perhaps we need to create the directory tree where we are
* about to write the new headers file.
*/
rv = apr_file_remove(dobj->hdrsfile, r->pool);
if (rv != APR_SUCCESS) {
mkdir_structure(conf, dobj->hdrsfile, r->pool);
}
rv = safe_file_rename(conf, dobj->tempfile, dobj->hdrsfile, r->pool);
if (rv != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_WARNING, rv, r->server,
"disk_cache: rename tempfile to hdrsfile failed: %s -> %s",
dobj->tempfile, dobj->hdrsfile);
apr_file_remove(dobj->tempfile, r->pool);
return rv;
}
dobj->tempfile = apr_pstrcat(r->pool, conf->cache_root, AP_TEMPFILE, NULL);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"disk_cache: Stored headers for URL %s", dobj->name);
return APR_SUCCESS;
}
static int encode_init(AVCodecContext *avctx)
{
HYuvContext *s = avctx->priv_data;
int i, j, width, height;
s->avctx= avctx;
s->flags= avctx->flags;
dsputil_init(&s->dsp, avctx);
width= s->width= avctx->width;
height= s->height= avctx->height;
assert(width && height);
avctx->extradata= av_mallocz(1024*30);
avctx->stats_out= av_mallocz(1024*30);
s->version=2;
avctx->coded_frame= &s->picture;
switch(avctx->pix_fmt){
case PIX_FMT_YUV420P:
s->bitstream_bpp= 12;
break;
case PIX_FMT_YUV422P:
s->bitstream_bpp= 16;
break;
default:
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
}
avctx->bits_per_sample= s->bitstream_bpp;
s->decorrelate= s->bitstream_bpp >= 24;
s->predictor= avctx->prediction_method;
((uint8_t*)avctx->extradata)[0]= s->predictor;
((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp;
((uint8_t*)avctx->extradata)[2]=
((uint8_t*)avctx->extradata)[3]= 0;
s->avctx->extradata_size= 4;
if(avctx->stats_in){
char *p= avctx->stats_in;
for(i=0; i<3; i++)
for(j=0; j<256; j++)
s->stats[i][j]= 1;
for(;;){
for(i=0; i<3; i++){
char *next;
for(j=0; j<256; j++){
s->stats[i][j]+= strtol(p, &next, 0);
if(next==p) return -1;
p=next;
}
}
if(p[0]==0 || p[1]==0 || p[2]==0) break;
}
}else{
for(i=0; i<3; i++)
for(j=0; j<256; j++){
int d= FFMIN(j, 256-j);
s->stats[i][j]= 100000000/(d+1);
}
}
for(i=0; i<3; i++){
generate_len_table(s->len[i], s->stats[i], 256);
if(generate_bits_table(s->bits[i], s->len[i])<0){
return -1;
}
store_table(s, s->len[i]);
}
for(i=0; i<3; i++)
for(j=0; j<256; j++)
s->stats[i][j]= 0;
s->interlaced= height > 288;
// printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_sample, s->interlaced);
s->picture_number=0;
return 0;
}
