static ngx_int_t
ngx_rtmp_play_seek(ngx_rtmp_session_t *s, ngx_rtmp_seek_t *v)
{
ngx_rtmp_play_ctx_t *ctx;
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
if (ctx == NULL || ctx->file.fd == NGX_INVALID_FILE) {
goto next;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: seek offset=%f", v->offset);
ngx_rtmp_play_start(s, v->offset);
next:
return next_seek(s, v);
}
static ngx_int_t
ngx_rtmp_play_pause(ngx_rtmp_session_t *s, ngx_rtmp_pause_t *v)
{
ngx_rtmp_play_ctx_t *ctx;
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
if (ctx == NULL || ctx->file.fd == NGX_INVALID_FILE) {
goto next;
}
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: pause=%i timestamp=%i",
(ngx_int_t) v->pause, (ngx_int_t) v->position);
if (v->pause) {
ngx_rtmp_play_stop(s);
} else {
ngx_rtmp_play_start(s, v->position);
}
next:
return next_pause(s, v);
}
static ngx_int_t
ngx_rtmp_play_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
ngx_rtmp_play_main_conf_t *pmcf;
ngx_rtmp_play_app_conf_t *pacf;
ngx_rtmp_play_ctx_t *ctx;
u_char *p;
ngx_event_t *e;
ngx_rtmp_play_fmt_t *fmt, **pfmt;
ngx_str_t *pfx, *sfx;
ngx_str_t name;
ngx_uint_t n;
static ngx_str_t nosfx;
static u_char path[NGX_MAX_PATH];
pmcf = ngx_rtmp_get_module_main_conf(s, ngx_rtmp_play_module);
pacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_play_module);
if (pacf == NULL || pacf->root.len == 0) {
goto next;
}
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: play name='%s' timestamp=%i",
v->name, (ngx_int_t) v->start);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
if (ctx && ctx->file.fd != NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: already playing");
goto next;
}
/* check for double-dot in v->name;
* we should not move out of play directory */
for (p = v->name; *p; ++p) {
if (ngx_path_separator(p[0]) &&
p[1] == '.' && p[2] == '.' &&
ngx_path_separator(p[3]))
{
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: bad name '%s'", v->name);
return NGX_ERROR;
}
}
if (ctx == NULL) {
ctx = ngx_palloc(s->connection->pool, sizeof(ngx_rtmp_play_ctx_t));
ngx_rtmp_set_ctx(s, ctx, ngx_rtmp_play_module);
}
ngx_memzero(ctx, sizeof(*ctx));
ctx->file.log = s->connection->log;
name.len = ngx_strlen(v->name);
name.data = v->name;
pfmt = pmcf->fmts.elts;
for (n = 0; n < pmcf->fmts.nelts; ++n, ++pfmt) {
fmt = *pfmt;
pfx = &fmt->pfx;
sfx = &fmt->sfx;
if (pfx->len == 0 && ctx->fmt == NULL) {
ctx->fmt = fmt;
}
if (pfx->len && name.len >= pfx->len &&
ngx_strncasecmp(pfx->data, name.data, pfx->len) == 0)
{
name.data += pfx->len;
name.len -= pfx->len;
ctx->fmt = fmt;
break;
}
if (name.len >= sfx->len &&
ngx_strncasecmp(sfx->data, name.data + name.len - sfx->len,
sfx->len) == 0)
{
ctx->fmt = fmt;
}
}
if (ctx->fmt == NULL) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: fmt not found");
goto next;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: fmt found: '%V'", &ctx->fmt->name);
sfx = &ctx->fmt->sfx;
if (name.len >= sfx->len &&
ngx_strncasecmp(sfx->data, name.data + name.len - sfx->len,
sfx->len)
== 0)
{
sfx = &nosfx;
}
p = ngx_snprintf(path, sizeof(path), "%V/%V%V", &pacf->root, &name, sfx);
*p = 0;
ctx->file.fd = ngx_open_file(path, NGX_FILE_RDONLY, NGX_FILE_OPEN,
NGX_FILE_DEFAULT_ACCESS);
if (ctx->file.fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: error opening file '%s'", path);
return NGX_ERROR;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: opened file '%s'", path);
e = &ctx->send_evt;
e->data = s;
e->handler = ngx_rtmp_play_send;
e->log = s->connection->log;
ngx_rtmp_send_user_recorded(s, 1);
if (ngx_rtmp_play_init(s) != NGX_OK) {
return NGX_ERROR;
}
if (ngx_rtmp_play_start(s, v->start) != NGX_OK) {
return NGX_ERROR;
}
next:
return next_play(s, v);
}
static ngx_int_t
ngx_rtmp_play_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
ngx_rtmp_play_app_conf_t *pacf;
ngx_rtmp_play_ctx_t *ctx;
u_char *p;
ngx_event_t *e;
size_t len, slen;
static u_char path[NGX_MAX_PATH];
pacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_play_module);
if (pacf == NULL || pacf->root.len == 0) {
goto next;
}
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: play name='%s' timestamp=%i",
v->name, (ngx_int_t) v->start);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
if (ctx && ctx->file.fd != NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: already playing");
goto next;
}
/* check for double-dot in v->name;
* we should not move out of play directory */
p = v->name;
while (*p) {
if (*p == '.' && *(p + 1) == '.') {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: bad name '%s'", v->name);
return NGX_ERROR;
}
++p;
}
if (ctx == NULL) {
ctx = ngx_palloc(s->connection->pool, sizeof(ngx_rtmp_play_ctx_t));
ngx_rtmp_set_ctx(s, ctx, ngx_rtmp_play_module);
}
ngx_memzero(ctx, sizeof(*ctx));
ctx->file.log = s->connection->log;
/* make file path */
len = ngx_strlen(v->name);
slen = sizeof(".flv") - 1;
p = ngx_snprintf(path, sizeof(path), "%V/%s%s", &pacf->root, v->name,
len > slen && ngx_strncasecmp((u_char *) ".flv",
v->name + len - slen, slen) == 0 ? "" : ".flv");
*p = 0;
/* open file */
ctx->file.fd = ngx_open_file(path, NGX_FILE_RDONLY, NGX_FILE_OPEN,
NGX_FILE_DEFAULT_ACCESS);
if (ctx->file.fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: error opening file %s", path);
goto next;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: opened file '%s'", path);
e = &ctx->write_evt;
e->data = s;
e->handler = ngx_rtmp_play_send;
e->log = s->connection->log;
ngx_rtmp_send_user_recorded(s, 1);
ngx_rtmp_play_start(s, v->start);
next:
return next_play(s, v);
}
