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h264pay: small cleanups

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Allocate adapter only once.
Make some guint8 * const.
This commit is contained in:
Wim Taymans 2010-11-16 16:54:25 +01:00
parent 9d52c1a1d7
commit 7e47921637
1 changed files with 17 additions and 35 deletions
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48
gst/rtp/gstrtph264pay.c
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@ -210,6 +210,8 @@ gst_rtp_h264_pay_init (GstRtpH264Pay * rtph264pay, GstRtpH264PayClass * klass)
rtph264pay->scan_mode = GST_H264_SCAN_MODE_MULTI_NAL; rtph264pay->scan_mode = GST_H264_SCAN_MODE_MULTI_NAL;
rtph264pay->buffer_list = DEFAULT_BUFFER_LIST; rtph264pay->buffer_list = DEFAULT_BUFFER_LIST;
rtph264pay->spspps_interval = DEFAULT_CONFIG_INTERVAL; rtph264pay->spspps_interval = DEFAULT_CONFIG_INTERVAL;
rtph264pay->adapter = gst_adapter_new ();
} }
static void static void
@ -236,10 +238,7 @@ gst_rtp_h264_pay_finalize (GObject * object)
g_free (rtph264pay->sprop_parameter_sets); g_free (rtph264pay->sprop_parameter_sets);
if (rtph264pay->adapter) {
g_object_unref (rtph264pay->adapter); g_object_unref (rtph264pay->adapter);
rtph264pay->adapter = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object); G_OBJECT_CLASS (parent_class)->finalize (object);
} }
@ -484,7 +483,7 @@ gst_rtp_h264_pay_parse_sprop_parameter_sets (GstRtpH264Pay * rtph264pay)
} }
static guint static guint
next_start_code (guint8 * data, guint size) next_start_code (const guint8 * data, guint size)
{ {
/* Boyer-Moore string matching algorithm, in a degenerative /* Boyer-Moore string matching algorithm, in a degenerative
* sense because our search 'alphabet' is binary - 0 & 1 only. * sense because our search 'alphabet' is binary - 0 & 1 only.
@ -524,9 +523,9 @@ next_start_code (guint8 * data, guint size)
static gboolean static gboolean
gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader, gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader,
guint8 * data, guint size, GstClockTime timestamp) const guint8 * data, guint size, GstClockTime timestamp)
{ {
guint8 *sps = NULL, *pps = NULL; const guint8 *sps = NULL, *pps = NULL;
guint sps_len = 0, pps_len = 0; guint sps_len = 0, pps_len = 0;
guint8 header, type; guint8 header, type;
guint len; guint len;
@ -640,8 +639,9 @@ gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader,
} }
static GstFlowReturn static GstFlowReturn
gst_rtp_h264_pay_payload_nal (GstBaseRTPPayload * basepayload, guint8 * data, gst_rtp_h264_pay_payload_nal (GstBaseRTPPayload * basepayload,
guint size, GstClockTime timestamp, GstBuffer * buffer_orig); const guint8 * data, guint size, GstClockTime timestamp,
GstBuffer * buffer_orig);
static GstFlowReturn static GstFlowReturn
gst_rtp_h264_pay_send_sps_pps (GstBaseRTPPayload * basepayload, gst_rtp_h264_pay_send_sps_pps (GstBaseRTPPayload * basepayload,
@ -682,8 +682,9 @@ gst_rtp_h264_pay_send_sps_pps (GstBaseRTPPayload * basepayload,
} }
static GstFlowReturn static GstFlowReturn
gst_rtp_h264_pay_payload_nal (GstBaseRTPPayload * basepayload, guint8 * data, gst_rtp_h264_pay_payload_nal (GstBaseRTPPayload * basepayload,
guint size, GstClockTime timestamp, GstBuffer * buffer_orig) const guint8 * data, guint size, GstClockTime timestamp,
GstBuffer * buffer_orig)
{ {
GstRtpH264Pay *rtph264pay; GstRtpH264Pay *rtph264pay;
GstFlowReturn ret; GstFlowReturn ret;
@ -913,17 +914,17 @@ gst_rtp_h264_pay_handle_buffer (GstBaseRTPPayload * basepayload,
GstRtpH264Pay *rtph264pay; GstRtpH264Pay *rtph264pay;
GstFlowReturn ret; GstFlowReturn ret;
guint size, nal_len, i; guint size, nal_len, i;
guint8 *data, *nal_data; const guint8 *data, *nal_data;
GstClockTime timestamp; GstClockTime timestamp;
GArray *nal_queue; GArray *nal_queue;
guint pushed; guint pushed = 0;
rtph264pay = GST_RTP_H264_PAY (basepayload); rtph264pay = GST_RTP_H264_PAY (basepayload);
/* the input buffer contains one or more NAL units */ /* the input buffer contains one or more NAL units */
if (rtph264pay->scan_mode == GST_H264_SCAN_MODE_BYTESTREAM) { if (rtph264pay->scan_mode == GST_H264_SCAN_MODE_BYTESTREAM) {
timestamp = gst_adapter_prev_timestamp (rtph264pay->adapter, 0); timestamp = gst_adapter_prev_timestamp (rtph264pay->adapter, NULL);
gst_adapter_push (rtph264pay->adapter, buffer); gst_adapter_push (rtph264pay->adapter, buffer);
size = gst_adapter_available (rtph264pay->adapter); size = gst_adapter_available (rtph264pay->adapter);
data = gst_adapter_peek (rtph264pay->adapter, size); data = gst_adapter_peek (rtph264pay->adapter, size);
@ -1154,7 +1155,6 @@ gst_basertppayload_change_state (GstElement * element,
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED: case GST_STATE_CHANGE_READY_TO_PAUSED:
rtph264pay->send_spspps = FALSE; rtph264pay->send_spspps = FALSE;
if (rtph264pay->adapter)
gst_adapter_clear (rtph264pay->adapter); gst_adapter_clear (rtph264pay->adapter);
break; break;
default: default:
@ -1166,24 +1166,6 @@ gst_basertppayload_change_state (GstElement * element,
return ret; return ret;
} }
static void
gst_rtp_h264_pay_set_scan_mode (GstRtpH264Pay * rtph264pay,
GstH264ScanMode scan_mode)
{
if (rtph264pay->scan_mode == scan_mode)
return;
if (rtph264pay->adapter) {
g_object_unref (rtph264pay->adapter);
rtph264pay->adapter = NULL;
}
rtph264pay->scan_mode = scan_mode;
if (rtph264pay->scan_mode == GST_H264_SCAN_MODE_BYTESTREAM) {
rtph264pay->adapter = gst_adapter_new ();
}
}
static void static void
gst_rtp_h264_pay_set_property (GObject * object, guint prop_id, gst_rtp_h264_pay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec) const GValue * value, GParamSpec * pspec)
@ -1201,7 +1183,7 @@ gst_rtp_h264_pay_set_property (GObject * object, guint prop_id,
rtph264pay->update_caps = TRUE; rtph264pay->update_caps = TRUE;
break; break;
case PROP_SCAN_MODE: case PROP_SCAN_MODE:
gst_rtp_h264_pay_set_scan_mode (rtph264pay, g_value_get_enum (value)); rtph264pay->scan_mode = g_value_get_enum (value);
break; break;
case PROP_BUFFER_LIST: case PROP_BUFFER_LIST:
rtph264pay->buffer_list = g_value_get_boolean (value); rtph264pay->buffer_list = g_value_get_boolean (value);