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Commit 620564f1 authored by Jean-Paul Saman's avatar Jean-Paul Saman
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stream_filter/httplive.c: use stream_* API iso module_need/module_unneed 

Make use of stream_* API instead of manually creating access input objects.
parent 2b2d6c22
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Showing with 81 additions and 121 deletions
modules/stream_filter/httplive.c
View file @ 620564f1
......@@ -40,9 +40,6 @@
#include <vlc_stream.h>
#include <vlc_url.h>
#include <vlc_modules.h>
#include <vlc_access.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -89,7 +86,6 @@ typedef struct hls_stream_s
struct stream_sys_t
{
access_t *p_access; /* HTTP access input */
vlc_url_t m3u8; /* M3U8 url */
/* */
......@@ -136,14 +132,11 @@ static int Read (stream_t *, void *p_read, unsigned int i_read);
static int Peek (stream_t *, const uint8_t **pp_peek, unsigned int i_peek);
static int Control(stream_t *, int i_query, va_list);
static ssize_t access_ReadM3U8(stream_t *s, vlc_url_t *url, uint8_t **buffer);
static ssize_t read_M3U8(stream_t *s, vlc_url_t *url, uint8_t **buffer);
static ssize_t ReadM3U8(stream_t *s, uint8_t **buffer);
static char *ReadLine(uint8_t *buffer, uint8_t **remain, size_t len);
static int AccessOpen(stream_t *s, vlc_url_t *url);
static void AccessClose(stream_t *s);
static int AccessDownload(stream_t *s, segment_t *segment);
static int hls_Download(stream_t *s, segment_t *segment);
static void* hls_Thread(vlc_object_t *);
......@@ -467,6 +460,40 @@ fail:
return NULL;
}
static char *ConstructUrl(vlc_url_t *url)
{
if ((url->psz_protocol == NULL) ||
(url->psz_path == NULL))
return NULL;
if (url->i_port <= 0)
{
if (strncmp(url->psz_protocol, "https", 5) == 0)
url->i_port = 443;
else
url->i_port = 80;
}
char *psz_url = NULL;
if (url->psz_password || url->psz_username)
{
if (asprintf(&psz_url, "%s://%s:%s@%s:%d%s",
url->psz_protocol,
url->psz_username, url->psz_password,
url->psz_host, url->i_port, url->psz_path) < 0)
return NULL;
}
else
{
if (asprintf(&psz_url, "%s://%s:%d%s",
url->psz_protocol,
url->psz_host, url->i_port, url->psz_path) < 0)
return NULL;
}
return psz_url;
}
static int parse_SegmentInformation(stream_t *s, hls_stream_t *hls, char *p_read, char *uri)
{
assert(hls);
......@@ -787,7 +814,7 @@ static int parse_M3U8(stream_t *s, vlc_array_t *streams, uint8_t *buffer, ssize_
/* Download playlist file from server */
uint8_t *buf = NULL;
ssize_t len = access_ReadM3U8(s, &hls->url, &buf);
ssize_t len = read_M3U8(s, &hls->url, &buf);
if (len < 0)
err = VLC_EGENERIC;
else
......@@ -887,7 +914,7 @@ static int get_HTTPLiveMetaPlaylist(stream_t *s, vlc_array_t **streams)
/* Download new playlist file from server */
uint8_t *buffer = NULL;
ssize_t len = access_ReadM3U8(s, &p_sys->m3u8, &buffer);
ssize_t len = read_M3U8(s, &p_sys->m3u8, &buffer);
if (len < 0)
return VLC_EGENERIC;
......@@ -1054,7 +1081,7 @@ static int Download(stream_t *s, hls_stream_t *hls, segment_t *segment, int *cur
}
mtime_t start = mdate();
if (AccessDownload(s, segment) != VLC_SUCCESS)
if (hls_Download(s, segment) != VLC_SUCCESS)
{
vlc_mutex_unlock(&segment->lock);
return VLC_EGENERIC;
......@@ -1249,171 +1276,104 @@ again:
}
/****************************************************************************
* Access
*
****************************************************************************/
static int AccessOpen(stream_t *s, vlc_url_t *url)
static int hls_Download(stream_t *s, segment_t *segment)
{
stream_sys_t *p_sys = (stream_sys_t *) s->p_sys;
if ((url->psz_protocol == NULL) ||
(url->psz_path == NULL))
return VLC_EGENERIC;
assert(segment);
p_sys->p_access = vlc_object_create(s, sizeof(access_t));
if (p_sys->p_access == NULL)
/* Construct URL */
char *psz_url = ConstructUrl(&segment->url);
if (psz_url == NULL)
return VLC_ENOMEM;
if (url->i_port <= 0)
{
if (strncmp(url->psz_protocol, "https", 5) == 0)
url->i_port = 443;
else
url->i_port = 80;
}
p_sys->p_access->psz_access = strdup(url->psz_protocol);
p_sys->p_access->psz_filepath = strdup(url->psz_path);
if (url->psz_password || url->psz_username)
{
if (asprintf(&p_sys->p_access->psz_location, "%s:%s@%s:%d%s",
url->psz_username, url->psz_password,
url->psz_host, url->i_port, url->psz_path) < 0)
{
msg_Err(s, "creating http access module");
goto fail;
}
}
else
{
if (asprintf(&p_sys->p_access->psz_location, "%s:%d%s",
url->psz_host, url->i_port, url->psz_path) < 0)
{
msg_Err(s, "creating http access module");
goto fail;
}
}
vlc_object_attach(p_sys->p_access, s);
p_sys->p_access->p_module =
module_need(p_sys->p_access, "access", p_sys->p_access->psz_access, true);
if (p_sys->p_access->p_module == NULL)
{
msg_Err(s, "could not load http access module");
goto fail;
}
return VLC_SUCCESS;
fail:
vlc_object_release(p_sys->p_access);
p_sys->p_access = NULL;
stream_t *p_ts = stream_UrlNew(s, psz_url);
free(psz_url);
if (p_ts == NULL)
return VLC_EGENERIC;
}
static void AccessClose(stream_t *s)
{
stream_sys_t *p_sys = (stream_sys_t *) s->p_sys;
if (p_sys->p_access)
{
vlc_object_kill(p_sys->p_access);
free(p_sys->p_access->psz_access);
if (p_sys->p_access->p_module)
module_unneed(p_sys->p_access,
p_sys->p_access->p_module);
vlc_object_release(p_sys->p_access);
p_sys->p_access = NULL;
}
}
static int AccessDownload(stream_t *s, segment_t *segment)
{
stream_sys_t *p_sys = (stream_sys_t *) s->p_sys;
assert(segment);
/* Download new playlist file from server */
if (AccessOpen(s, &segment->url) != VLC_SUCCESS)
return VLC_EGENERIC;
segment->size = p_sys->p_access->info.i_size;
segment->size = stream_Size(p_ts);
assert(segment->size > 0);
segment->data = block_Alloc(segment->size);
if (segment->data == NULL)
{
AccessClose(s);
stream_Delete(p_ts);
return VLC_ENOMEM;
}
assert(segment->data->i_buffer == segment->size);
ssize_t length = 0, curlen = 0;
uint64_t size;
do
{
if (p_sys->p_access->info.i_size > segment->size)
size = stream_Size(p_ts);
if (size > segment->size)
{
msg_Dbg(s, "size changed %"PRIu64, segment->size);
segment->data = block_Realloc(segment->data, 0, p_sys->p_access->info.i_size);
segment->data = block_Realloc(segment->data, 0, size);
if (segment->data == NULL)
{
AccessClose(s);
stream_Delete(p_ts);
return VLC_ENOMEM;
}
segment->size = p_sys->p_access->info.i_size;
segment->size = size;
assert(segment->data->i_buffer == segment->size);
}
length = p_sys->p_access->pf_read(p_sys->p_access,
segment->data->p_buffer + curlen, segment->size - curlen);
if ((length <= 0) || ((uint64_t)length >= segment->size))
length = stream_Read(p_ts, segment->data->p_buffer + curlen, segment->size - curlen);
if (length <= 0)
break;
curlen += length;
} while (vlc_object_alive(s));
AccessClose(s);
stream_Delete(p_ts);
return VLC_SUCCESS;
}
/* Read M3U8 file */
static ssize_t access_ReadM3U8(stream_t *s, vlc_url_t *url, uint8_t **buffer)
static ssize_t read_M3U8(stream_t *s, vlc_url_t *url, uint8_t **buffer)
{
stream_sys_t *p_sys = (stream_sys_t *) s->p_sys;
assert(*buffer == NULL);
/* Download new playlist file from server */
if (AccessOpen(s, url) != VLC_SUCCESS)
/* Construct URL */
char *psz_url = ConstructUrl(url);
if (psz_url == NULL)
return VLC_ENOMEM;
stream_t *p_m3u8 = stream_UrlNew(s, psz_url);
free(psz_url);
if (p_m3u8 == NULL)
return VLC_EGENERIC;
ssize_t size = p_sys->p_access->info.i_size;
if (size == 0) size = 1024; /* no Content-Length */
int64_t size = stream_Size(p_m3u8);
if (size == 0) size = 8192; /* no Content-Length */
*buffer = calloc(1, size);
if (*buffer == NULL)
{
AccessClose(s);
stream_Delete(p_m3u8);
return VLC_ENOMEM;
}
ssize_t length = 0, curlen = 0;
do
{
length = p_sys->p_access->pf_read(p_sys->p_access, *buffer + curlen, size - curlen);
if (length <= 0)
int64_t len = 0, curlen = 0;
do {
int read = ((size - curlen) >= INT_MAX) ? INT_MAX : (size - curlen);
len = stream_Read(p_m3u8, *buffer + curlen, read);
if (len <= 0)
break;
curlen += length;
curlen += len;
if (curlen >= size)
{
uint8_t *tmp = realloc(*buffer, size + 1024);
uint8_t *tmp = realloc(*buffer, size + 8192);
if (tmp == NULL)
break;
size += 1024;
size += 8192;
*buffer = tmp;
}
} while (vlc_object_alive(s));
stream_Delete(p_m3u8);
AccessClose(s);
return size;
}
......
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