Commit fa540df2 authored by Jean-Paul Saman's avatar Jean-Paul Saman

stream_filter/httplive.c: cleanup error path

Make error path simpler.
parent 7507a0f7
......@@ -447,10 +447,8 @@ static void parse_SegmentInformation(stream_t *s, hls_stream_t *hls, char *p_rea
free(psz_uri);
}
static void parse_TargetDuration(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_TargetDuration(stream_t *s, hls_stream_t *hls, char *p_read)
{
stream_sys_t *p_sys = s->p_sys;
assert(hls);
int duration = -1;
......@@ -458,11 +456,11 @@ static void parse_TargetDuration(stream_t *s, hls_stream_t *hls, char *p_read)
if (ret != 1)
{
msg_Err(s, "expected #EXT-X-TARGETDURATION:<s>");
p_sys->b_error = true;
return;
return VLC_EGENERIC;
}
hls->duration = duration; /* seconds */
return VLC_SUCCESS;
}
static void parse_StreamInformation(stream_t *s, vlc_array_t **hls_stream,
......@@ -512,10 +510,8 @@ static void parse_StreamInformation(stream_t *s, vlc_array_t **hls_stream,
free(psz_uri);
}
static void parse_MediaSequence(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_MediaSequence(stream_t *s, hls_stream_t *hls, char *p_read)
{
stream_sys_t *p_sys = s->p_sys;
assert(hls);
int sequence;
......@@ -523,8 +519,7 @@ static void parse_MediaSequence(stream_t *s, hls_stream_t *hls, char *p_read)
if (ret != 1)
{
msg_Err(s, "expected #EXT-X-MEDIA-SEQUENCE:<s>");
p_sys->b_error = true;
return;
return VLC_EGENERIC;
}
if (hls->sequence > 0)
......@@ -532,29 +527,30 @@ static void parse_MediaSequence(stream_t *s, hls_stream_t *hls, char *p_read)
msg_Info(s, "#EXT-X-MEDIA-SEQUENCE:%d", sequence);
hls->sequence = sequence;
return VLC_SUCCESS;
}
static void parse_Key(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_Key(stream_t *s, hls_stream_t *hls, char *p_read)
{
stream_sys_t *p_sys = s->p_sys;
assert(hls);
/* #EXT-X-KEY:METHOD=<method>[,URI="<URI>"][,IV=<IV>] */
char *attr;
attr = parse_Attributes(p_read, "METHOD");
int err = VLC_SUCCESS;
char *attr = parse_Attributes(p_read, "METHOD");
if (attr == NULL)
{
msg_Err(s, "#EXT-X-KEY: expected METHOD=<value>");
p_sys->b_error = true;
return err;
}
else if (strncasecmp(attr, "NONE", 4) == 0)
if (strncasecmp(attr, "NONE", 4) == 0)
{
char *uri = parse_Attributes(p_read, "URI");
if (uri != NULL)
{
msg_Err(s, "#EXT-X-KEY: URI not expected");
p_sys->b_error = true;
err = VLC_EGENERIC;
}
free(uri);
/* IV is only supported in version 2 and above */
......@@ -564,7 +560,7 @@ static void parse_Key(stream_t *s, hls_stream_t *hls, char *p_read)
if (iv != NULL)
{
msg_Err(s, "#EXT-X-KEY: IV not expected");
p_sys->b_error = true;
err = VLC_EGENERIC;
}
free(iv);
}
......@@ -572,21 +568,21 @@ static void parse_Key(stream_t *s, hls_stream_t *hls, char *p_read)
else
{
msg_Warn(s, "playback of encrypted HTTP Live media is not supported.");
p_sys->b_error = true;
err = VLC_EGENERIC;
}
free(attr);
return err;
}
static void parse_ProgramDateTime(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_ProgramDateTime(stream_t *s, hls_stream_t *hls, char *p_read)
{
VLC_UNUSED(hls);
msg_Dbg(s, "tag not supported: #EXT-X-PROGRAM-DATE-TIME %s", p_read);
return VLC_SUCCESS;
}
static void parse_AllowCache(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_AllowCache(stream_t *s, hls_stream_t *hls, char *p_read)
{
stream_sys_t *p_sys = s->p_sys;
assert(hls);
char answer[4] = "\0";
......@@ -594,17 +590,15 @@ static void parse_AllowCache(stream_t *s, hls_stream_t *hls, char *p_read)
if (ret != 1)
{
msg_Err(s, "#EXT-X-ALLOW-CACHE, ignoring ...");
p_sys->b_error = true;
return;
return VLC_EGENERIC;
}
hls->b_cache = (strncmp(answer, "NO", 2) != 0);
return VLC_SUCCESS;
}
static void parse_Version(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_Version(stream_t *s, hls_stream_t *hls, char *p_read)
{
stream_sys_t *p_sys = s->p_sys;
assert(hls);
int version;
......@@ -612,8 +606,7 @@ static void parse_Version(stream_t *s, hls_stream_t *hls, char *p_read)
if (ret != 1)
{
msg_Err(s, "#EXT-X-VERSION: no protocol version found, should be version 1.");
p_sys->b_error = true;
return;
return VLC_EGENERIC;
}
/* Check version */
......@@ -621,48 +614,53 @@ static void parse_Version(stream_t *s, hls_stream_t *hls, char *p_read)
if (hls->version != 1)
{
msg_Err(s, "#EXT-X-VERSION should be version 1 iso %d", version);
p_sys->b_error = true;
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
static void parse_EndList(stream_t *s, hls_stream_t *hls)
static int parse_EndList(stream_t *s, hls_stream_t *hls)
{
stream_sys_t *p_sys = s->p_sys;
assert(hls);
p_sys->b_live = false;
s->p_sys->b_live = false;
msg_Info(s, "video on demand (vod) mode");
return VLC_SUCCESS;
}
static void parse_Discontinuity(stream_t *s, hls_stream_t *hls, char *p_read)
static int parse_Discontinuity(stream_t *s, hls_stream_t *hls, char *p_read)
{
assert(hls);
/* FIXME: Do we need to act on discontinuity ?? */
msg_Dbg(s, "#EXT-X-DISCONTINUITY %s", p_read);
return VLC_SUCCESS;
}
static void parse_M3U8ExtLine(stream_t *s, hls_stream_t *hls, char *line)
{
if (*line == '#')
{
int err = VLC_SUCCESS;
if (strncmp(line, "#EXT-X-TARGETDURATION", 21) == 0)
parse_TargetDuration(s, hls, line);
err = parse_TargetDuration(s, hls, line);
else if (strncmp(line, "#EXT-X-MEDIA-SEQUENCE", 21) == 0)
parse_MediaSequence(s, hls, line);
err = parse_MediaSequence(s, hls, line);
else if (strncmp(line, "#EXT-X-KEY", 10) == 0)
parse_Key(s, hls, line);
err = parse_Key(s, hls, line);
else if (strncmp(line, "#EXT-X-PROGRAM-DATE-TIME", 24) == 0)
parse_ProgramDateTime(s, hls, line);
err = parse_ProgramDateTime(s, hls, line);
else if (strncmp(line, "#EXT-X-ALLOW-CACHE", 18) == 0)
parse_AllowCache(s, hls, line);
err = parse_AllowCache(s, hls, line);
else if (strncmp(line, "#EXT-X-DISCONTINUITY", 20) == 0)
parse_Discontinuity(s, hls, line);
err = parse_Discontinuity(s, hls, line);
else if (strncmp(line, "#EXT-X-VERSION", 14) == 0)
parse_Version(s, hls, line);
err = parse_Version(s, hls, line);
else if (strncmp(line, "#EXT-X-ENDLIST", 14) == 0)
parse_EndList(s, hls);
err = parse_EndList(s, hls);
if (err != VLC_SUCCESS)
s->p_sys->b_error = true;
}
}
......
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