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rtpjpegpay: add support for buffer-lists

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This commit is contained in:
Ognyan Tonchev 2009-06-19 17:57:12 +02:00 committed by Wim Taymans
parent 40ec22788f
commit d5d0364d7b
2 changed files with 59 additions and 6 deletions

63
gst/rtp/gstrtpjpegpay.c
View file

@ -76,6 +76,12 @@ GST_DEBUG_CATEGORY_STATIC (rtpjpegpay_debug);
*/
#define QUANT_PREFIX_LEN 3
/*
* DEFAULT_BUFFER_LIST:
*
*/
#define DEFAULT_BUFFER_LIST FALSE
typedef enum _RtpJpegMarker RtpJpegMarker;
/*
@ -114,7 +120,9 @@ enum
{
PROP_0,
PROP_JPEG_QUALITY,
PROP_JPEG_TYPE
PROP_JPEG_TYPE,
PROP_BUFFER_LIST,
PROP_LAST
};
enum
@ -243,6 +251,11 @@ gst_rtp_jpeg_pay_class_init (GstRtpJPEGPayClass * klass)
"Default JPEG Type, overwritten by SOF when present", 0, 255,
DEFAULT_JPEG_TYPE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_LIST,
g_param_spec_boolean ("buffer-list", "Buffer List",
"Use Buffer Lists",
DEFAULT_BUFFER_LIST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (rtpjpegpay_debug, "rtpjpegpay", 0,
"Motion JPEG RTP Payloader");
}
@ -253,6 +266,7 @@ gst_rtp_jpeg_pay_init (GstRtpJPEGPay * pay, GstRtpJPEGPayClass * klass)
pay->quality = DEFAULT_JPEG_QUALITY;
pay->quant = DEFAULT_JPEG_QUANT;
pay->type = DEFAULT_JPEG_TYPE;
pay->buffer_list = DEFAULT_BUFFER_LIST;
}
static gboolean
@ -478,6 +492,8 @@ gst_rtp_jpeg_pay_handle_buffer (GstBaseRTPPayload * basepayload,
gboolean frame_done;
gboolean sos_found, sof_found, dqt_found;
gint i;
GstBufferList *list = NULL;
GstBufferListIterator *it = NULL;
pay = GST_RTP_JPEG_PAY (basepayload);
mtu = GST_BASE_RTP_PAYLOAD_MTU (pay);
@ -578,6 +594,11 @@ gst_rtp_jpeg_pay_handle_buffer (GstBaseRTPPayload * basepayload,
GST_LOG_OBJECT (pay, "quant_data size %u", quant_data_size);
if (pay->buffer_list) {
list = gst_buffer_list_new ();
it = gst_buffer_list_iterate (list);
}
bytes_left = sizeof (jpeg_header) + quant_data_size + size;
frame_done = FALSE;
@ -586,7 +607,12 @@ gst_rtp_jpeg_pay_handle_buffer (GstBaseRTPPayload * basepayload,
guint8 *payload;
guint payload_size = (bytes_left < mtu ? bytes_left : mtu);
outbuf = gst_rtp_buffer_new_allocate (payload_size, 0, 0);
if (pay->buffer_list) {
outbuf = gst_rtp_buffer_new_allocate (sizeof (jpeg_header) +
quant_data_size, 0, 0);
} else {
outbuf = gst_rtp_buffer_new_allocate (payload_size, 0, 0);
}
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
if (payload_size == bytes_left) {
@ -633,11 +659,23 @@ gst_rtp_jpeg_pay_handle_buffer (GstBaseRTPPayload * basepayload,
}
GST_LOG_OBJECT (pay, "sending payload size %d", payload_size);
memcpy (payload, data, payload_size);
if (pay->buffer_list) {
GstBuffer *paybuf;
ret = gst_basertppayload_push (basepayload, outbuf);
if (ret != GST_FLOW_OK)
break;
/* create a new buf to hold the payload */
paybuf = gst_buffer_create_sub (buffer, jpeg_header_size + offset,
payload_size);
/* create a new group to hold the rtp header and the payload */
gst_buffer_list_iterator_add_group (it);
gst_buffer_list_iterator_add (it, outbuf);
gst_buffer_list_iterator_add (it, paybuf);
} else {
memcpy (payload, data, payload_size);
ret = gst_basertppayload_push (basepayload, outbuf);
if (ret != GST_FLOW_OK)
break;
}
bytes_left -= payload_size;
offset += payload_size;
@ -645,6 +683,12 @@ gst_rtp_jpeg_pay_handle_buffer (GstBaseRTPPayload * basepayload,
}
while (!frame_done);
if (pay->buffer_list) {
gst_buffer_list_iterator_free (it);
/* push the whole buffer list at once */
ret = gst_basertppayload_push_list (basepayload, list);
}
gst_buffer_unref (buffer);
return ret;
@ -693,6 +737,10 @@ gst_rtp_jpeg_pay_set_property (GObject * object, guint prop_id,
rtpjpegpay->type = g_value_get_int (value);
GST_DEBUG_OBJECT (object, "type = %d", rtpjpegpay->type);
break;
case PROP_BUFFER_LIST:
rtpjpegpay->buffer_list = g_value_get_boolean (value);
GST_DEBUG_OBJECT (object, "buffer_list = %d", rtpjpegpay->buffer_list);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -714,6 +762,9 @@ gst_rtp_jpeg_pay_get_property (GObject * object, guint prop_id,
case PROP_JPEG_TYPE:
g_value_set_int (value, rtpjpegpay->type);
break;
case PROP_BUFFER_LIST:
g_value_set_boolean (value, rtpjpegpay->buffer_list);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

2
gst/rtp/gstrtpjpegpay.h
View file

@ -47,6 +47,8 @@ struct _GstRtpJPEGPay
gint height;
gint width;
gboolean buffer_list;
guint8 quant;
};