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mssdemux: add conditions to prevent some crashes

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Louis-Francis Ratté-Boulianne 2013-02-01 17:43:46 -05:00 committed by Thiago Santos
parent 218f2dee0c
commit 4a630f86f8
1 changed files with 16 additions and 5 deletions
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21
ext/smoothstreaming/gstmssmanifest.c
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@ -141,7 +141,6 @@ _gst_mss_stream_init (GstMssStream * stream, xmlNodePtr node)
GstMssStreamFragment *previous_fragment = NULL;
guint fragment_number = 0;
guint64 fragment_time_accum = 0;
GError *gerror = NULL;
stream->xmlnode = node;
@ -212,8 +211,8 @@ _gst_mss_stream_init (GstMssStream * stream, xmlNodePtr node)
stream->current_fragment = stream->fragments;
stream->current_quality = stream->qualities;
stream->regex_bitrate = g_regex_new ("\\{[Bb]itrate\\}", 0, 0, &gerror);
stream->regex_position = g_regex_new ("\\{start[ _]time\\}", 0, 0, &gerror);
stream->regex_bitrate = g_regex_new ("\\{[Bb]itrate\\}", 0, 0, NULL);
stream->regex_position = g_regex_new ("\\{start[ _]time\\}", 0, 0, NULL);
}
GstMssManifest *
@ -284,6 +283,9 @@ gst_mss_stream_get_type (GstMssStream * stream)
gchar *prop = (gchar *) xmlGetProp (stream->xmlnode, (xmlChar *) "Type");
GstMssStreamType ret = MSS_STREAM_TYPE_UNKNOWN;
if (prop == NULL)
return MSS_STREAM_TYPE_UNKNOWN;
if (strcmp (prop, "video") == 0) {
ret = MSS_STREAM_TYPE_VIDEO;
} else if (strcmp (prop, "audio") == 0) {
@ -335,6 +337,9 @@ _make_h264_codec_data (GstBuffer * sps, GstBuffer * pps)
guint8 *data;
gint nl;
if (GST_BUFFER_SIZE (sps) < 4)
return NULL;
sps_size += GST_BUFFER_SIZE (sps) + 2;
profile_idc = GST_BUFFER_DATA (sps)[1];
profile_comp = GST_BUFFER_DATA (sps)[2];
@ -426,8 +431,10 @@ _gst_mss_stream_add_h264_codec_data (GstCaps * caps, const gchar * codecdatastr)
g_value_reset (&sps_value);
g_value_reset (&pps_value);
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, buffer, NULL);
gst_buffer_unref (buffer);
if (buffer != NULL) {
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, buffer, NULL);
gst_buffer_unref (buffer);
}
}
static GstCaps *
@ -704,6 +711,10 @@ gst_mss_stream_get_fragment_url (GstMssStream * stream, gchar ** url)
g_free (tmp);
g_free (start_time_str);
if (*url == NULL)
return GST_FLOW_ERROR;
return GST_FLOW_OK;
}