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gst/rtp/gstrtpmp4gdepay.c: Parse config params as string and int.

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Original commit message from CVS:
* gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_parse_int),
(gst_rtp_mp4g_depay_setcaps), (gst_rtp_mp4g_depay_process):
Parse config params as string and int.
Parse and use AU header length
This commit is contained in:
Wim Taymans 2007-01-23 17:36:32 +00:00
parent 168db53bf4
commit 60054f479a
2 changed files with 69 additions and 35 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-01-23 Wim Taymans <wim@fluendo.com>
* gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_parse_int),
(gst_rtp_mp4g_depay_setcaps), (gst_rtp_mp4g_depay_process):
Parse config params as string and int.
Parse and use AU header length
2007-01-23 Wim Taymans <wim@fluendo.com>
* gst/smpte/barboxwipes.c: (gst_wipe_boxes_draw),

95
gst/rtp/gstrtpmp4gdepay.c
View file

@ -166,6 +166,22 @@ gst_rtp_mp4g_depay_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint
gst_rtp_mp4g_depay_parse_int (GstStructure * structure, const gchar * field,
gint def)
{
const gchar *str;
gint res;
if ((str = gst_structure_get_string (structure, field)))
return atoi (str);
if (gst_structure_get_int (structure, field, &res))
return res;
return def;
}
static gboolean
gst_rtp_mp4g_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
{
@ -198,37 +214,23 @@ gst_rtp_mp4g_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
goto unknown_media;
/* these values are optional and have a default value of 0 (no header) */
if (!gst_structure_get_int (structure, "sizelength", &someint))
someint = 0;
rtpmp4gdepay->sizelength = someint;
if (!gst_structure_get_int (structure, "indexlength", &someint))
someint = 0;
rtpmp4gdepay->indexlength = someint;
if (!gst_structure_get_int (structure, "indexlength", &someint))
someint = 0;
rtpmp4gdepay->indexdeltalength = someint;
if (!gst_structure_get_int (structure, "ctsdeltalength", &someint))
someint = 0;
rtpmp4gdepay->ctsdeltalength = someint;
if (!gst_structure_get_int (structure, "dtsdeltalength", &someint))
someint = 0;
rtpmp4gdepay->dtsdeltalength = someint;
if (!gst_structure_get_int (structure, "randomaccessindication", &someint))
someint = 0;
rtpmp4gdepay->sizelength =
gst_rtp_mp4g_depay_parse_int (structure, "sizelength", 0);
rtpmp4gdepay->indexlength =
gst_rtp_mp4g_depay_parse_int (structure, "indexlength", 0);
rtpmp4gdepay->indexdeltalength =
gst_rtp_mp4g_depay_parse_int (structure, "indexdeltalength", 0);
rtpmp4gdepay->ctsdeltalength =
gst_rtp_mp4g_depay_parse_int (structure, "ctsdeltalength", 0);
rtpmp4gdepay->dtsdeltalength =
gst_rtp_mp4g_depay_parse_int (structure, "dtsdeltalength", 0);
someint =
gst_rtp_mp4g_depay_parse_int (structure, "randomaccessindication", 0);
rtpmp4gdepay->randomaccessindication = someint > 0 ? 1 : 0;
if (!gst_structure_get_int (structure, "streamstateindication", &someint))
someint = 0;
rtpmp4gdepay->streamstateindication = someint;
if (!gst_structure_get_int (structure, "auxiliarydatasizelength", &someint))
someint = 0;
rtpmp4gdepay->auxiliarydatasizelength = someint;
rtpmp4gdepay->streamstateindication =
gst_rtp_mp4g_depay_parse_int (structure, "streamstateindication", 0);
rtpmp4gdepay->auxiliarydatasizelength =
gst_rtp_mp4g_depay_parse_int (structure, "auxiliarydatasizelength", 0);
/* get config string */
if ((str = gst_structure_get_string (structure, "config"))) {
@ -277,13 +279,38 @@ gst_rtp_mp4g_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
gint payload_len;
guint8 *payload;
guint32 timestamp;
guint AU_headers_len;
guint AU_size, AU_index;
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
if (rtpmp4gdepay->sizelength > 0) {
/* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- .. -+-+-+-+-+-+-+-+-+-+
* |AU-headers-length|AU-header|AU-header| |AU-header|padding|
* | | (1) | (2) | | (n) * | bits |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- .. -+-+-+-+-+-+-+-+-+-+
*
* The lenght is 2 bytes and contains the length of the following
* AU-headers in bits.
*/
AU_headers_len = (payload[0] << 8) | payload[1];
/* skip header */
payload += 4;
payload_len -= 4;
payload += 2;
payload_len -= 2;
/* FIXME, use bits */
AU_size = ((payload[0] << 8) | payload[1]) >> 3;
AU_index = payload[1] & 0x7;
GST_DEBUG_OBJECT (rtpmp4gdepay, "len, %d, size %d, index %d",
AU_headers_len, AU_size, AU_index);
/* skip special headers */
payload += (AU_headers_len + 7) / 8;
payload_len = AU_size;
}
timestamp = gst_rtp_buffer_get_timestamp (buf);
@ -304,8 +331,8 @@ gst_rtp_mp4g_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
gst_adapter_take (rtpmp4gdepay->adapter, avail);
GST_BUFFER_DATA (outbuf) = GST_BUFFER_MALLOCDATA (outbuf);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (depayload->srcpad));
GST_BUFFER_TIMESTAMP (outbuf) =
timestamp * GST_SECOND / depayload->clock_rate;
GST_BUFFER_TIMESTAMP (outbuf) = gst_util_uint64_scale_int
(timestamp, GST_SECOND, depayload->clock_rate);
GST_DEBUG ("gst_rtp_mp4g_depay_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));