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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-24 16:18:16 +00:00
rtpbuffer: use new convenience functions
New core convenience functions makes the list getters and setters trivial. Maybe even too trivial...
This commit is contained in:
Wim Taymans
parent
89a780ca2f
commit
f5c8055edf
1 changed files with 50 additions and 102 deletions
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@ -83,15 +83,6 @@ typedef struct _GstRTPHeader
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((i) * sizeof(guint32))
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#define GST_RTP_HEADER_CSRC_SIZE(data) (GST_RTP_HEADER_CSRC_COUNT(data) * sizeof (guint32))
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typedef enum
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{
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PAYLOAD_TYPE,
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SEQ,
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TIMESTAMP,
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SSRC,
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NO_MORE
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} rtp_header_data_type;
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/**
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* gst_rtp_buffer_allocate_data:
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* @buffer: a #GstBuffer
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@ -794,32 +785,6 @@ gst_rtp_buffer_get_ssrc (GstBuffer * buffer)
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return g_ntohl (GST_RTP_HEADER_SSRC (GST_BUFFER_DATA (buffer)));
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}
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/* Returns ponter to the RTP header of the first packet within the list */
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static guint8 *
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gst_rtp_buffer_list_get_data (GstBufferList * list)
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{
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GstBufferListIterator *it;
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GstBuffer *rtpbuf;
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it = gst_buffer_list_iterate (list);
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if (!gst_buffer_list_iterator_next_group (it))
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goto invalid_list;
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rtpbuf = gst_buffer_list_iterator_next (it);
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if (!rtpbuf)
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goto invalid_list;
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gst_buffer_list_iterator_free (it);
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return GST_BUFFER_DATA (rtpbuf);
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invalid_list:
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{
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gst_buffer_list_iterator_free (it);
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return NULL;
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}
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}
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/**
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* gst_rtp_buffer_list_get_ssrc:
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* @list: the buffer list
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@ -834,12 +799,12 @@ invalid_list:
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guint32
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gst_rtp_buffer_list_get_ssrc (GstBufferList * list)
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{
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guint8 *data;
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GstBuffer *buffer;
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data = gst_rtp_buffer_list_get_data (list);
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g_return_val_if_fail (data != NULL, 0);
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buffer = gst_buffer_list_get (list, 0, 0);
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g_return_val_if_fail (buffer != NULL, 0);
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return g_ntohl (GST_RTP_HEADER_SSRC (data));
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return g_ntohl (GST_RTP_HEADER_SSRC (GST_BUFFER_DATA (buffer)));
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}
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/**
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@ -855,53 +820,11 @@ gst_rtp_buffer_set_ssrc (GstBuffer * buffer, guint32 ssrc)
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GST_RTP_HEADER_SSRC (GST_BUFFER_DATA (buffer)) = g_htonl (ssrc);
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}
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/* Sets the field specified by @type to @data.
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* When setting SEQ number, this function will also increase
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* @data by one. */
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static void
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gst_rtp_buffer_list_set_data (guint8 * rtp_header,
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gpointer data, rtp_header_data_type type)
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static GstBufferListItem
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set_ssrc_header (GstBuffer ** buffer, guint group, guint idx, guint32 * ssrc)
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{
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switch (type) {
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case PAYLOAD_TYPE:
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GST_RTP_HEADER_PAYLOAD_TYPE (rtp_header) = *(guint8 *) data;
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break;
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case SEQ:
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GST_RTP_HEADER_SEQ (rtp_header) = g_htons (*(guint16 *) data);
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(*(guint16 *) data)++;
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break;
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case SSRC:
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GST_RTP_HEADER_SSRC (rtp_header) = g_htonl (*(guint32 *) data);
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break;
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case TIMESTAMP:
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GST_RTP_HEADER_TIMESTAMP (rtp_header) = g_htonl (*(guint32 *) data);
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break;
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default:
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g_warning ("Unknown data type");
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break;
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}
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}
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/* Sets the field specified by @type to @data.
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* This function updates all RTP headers within @list. */
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static void
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gst_rtp_buffer_list_set_rtp_headers (GstBufferList * list,
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gpointer data, rtp_header_data_type type)
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{
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GstBufferListIterator *it;
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it = gst_buffer_list_iterate (list);
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while (gst_buffer_list_iterator_next_group (it)) {
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GstBuffer *rtpbuf;
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guint8 *rtp_header;
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rtpbuf = gst_buffer_list_iterator_next (it);
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rtp_header = GST_BUFFER_DATA (rtpbuf);
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gst_rtp_buffer_list_set_data (rtp_header, data, type);
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}
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gst_buffer_list_iterator_free (it);
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GST_RTP_HEADER_SSRC (GST_BUFFER_DATA (*buffer)) = g_htonl (*ssrc);
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return GST_BUFFER_LIST_SKIP_GROUP;
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}
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/**
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@ -916,7 +839,7 @@ gst_rtp_buffer_list_set_rtp_headers (GstBufferList * list,
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void
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gst_rtp_buffer_list_set_ssrc (GstBufferList * list, guint32 ssrc)
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{
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gst_rtp_buffer_list_set_rtp_headers (list, &ssrc, SSRC);
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gst_buffer_list_foreach (list, (GstBufferListFunc) set_ssrc_header, &ssrc);
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}
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/**
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@ -1029,12 +952,12 @@ gst_rtp_buffer_get_payload_type (GstBuffer * buffer)
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guint8
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gst_rtp_buffer_list_get_payload_type (GstBufferList * list)
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{
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guint8 *data;
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GstBuffer *buffer;
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data = gst_rtp_buffer_list_get_data (list);
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g_return_val_if_fail (data != NULL, 0);
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buffer = gst_buffer_list_get (list, 0, 0);
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g_return_val_if_fail (buffer != NULL, 0);
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return GST_RTP_HEADER_PAYLOAD_TYPE (data);
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return GST_RTP_HEADER_PAYLOAD_TYPE (GST_BUFFER_DATA (buffer));
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}
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/**
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@ -1052,6 +975,13 @@ gst_rtp_buffer_set_payload_type (GstBuffer * buffer, guint8 payload_type)
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GST_RTP_HEADER_PAYLOAD_TYPE (GST_BUFFER_DATA (buffer)) = payload_type;
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}
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static GstBufferListItem
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set_pt_header (GstBuffer ** buffer, guint group, guint idx, guint8 * pt)
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{
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GST_RTP_HEADER_PAYLOAD_TYPE (GST_BUFFER_DATA (*buffer)) = *pt;
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return GST_BUFFER_LIST_SKIP_GROUP;
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}
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/**
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* gst_rtp_buffer_list_set_payload_type:
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* @list: the buffer list
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@ -1066,7 +996,8 @@ gst_rtp_buffer_list_set_payload_type (GstBufferList * list, guint8 payload_type)
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{
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g_return_if_fail (payload_type < 0x80);
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gst_rtp_buffer_list_set_rtp_headers (list, &payload_type, PAYLOAD_TYPE);
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gst_buffer_list_foreach (list, (GstBufferListFunc) set_pt_header,
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&payload_type);
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}
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/**
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@ -1096,6 +1027,14 @@ gst_rtp_buffer_set_seq (GstBuffer * buffer, guint16 seq)
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GST_RTP_HEADER_SEQ (GST_BUFFER_DATA (buffer)) = g_htons (seq);
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}
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static GstBufferListItem
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set_seq_header (GstBuffer ** buffer, guint group, guint idx, guint16 * seq)
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{
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GST_RTP_HEADER_SEQ (GST_BUFFER_DATA (*buffer)) = g_htons (*seq);
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(*seq)++;
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return GST_BUFFER_LIST_SKIP_GROUP;
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}
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/**
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* gst_rtp_buffer_list_set_seq:
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* @list: the buffer list
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@ -1110,8 +1049,7 @@ gst_rtp_buffer_set_seq (GstBuffer * buffer, guint16 seq)
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guint16
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gst_rtp_buffer_list_set_seq (GstBufferList * list, guint16 seq)
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{
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gst_rtp_buffer_list_set_rtp_headers (list, &seq, SEQ);
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gst_buffer_list_foreach (list, (GstBufferListFunc) set_seq_header, &seq);
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return seq;
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}
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@ -1129,12 +1067,12 @@ gst_rtp_buffer_list_set_seq (GstBufferList * list, guint16 seq)
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guint16
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gst_rtp_buffer_list_get_seq (GstBufferList * list)
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{
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guint8 *data;
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GstBuffer *buffer;
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data = gst_rtp_buffer_list_get_data (list);
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g_return_val_if_fail (data != NULL, 0);
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buffer = gst_buffer_list_get (list, 0, 0);
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g_return_val_if_fail (buffer != NULL, 0);
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return g_ntohl (GST_RTP_HEADER_SEQ (data));
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return g_ntohl (GST_RTP_HEADER_SEQ (GST_BUFFER_DATA (buffer)));
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}
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@ -1166,12 +1104,12 @@ gst_rtp_buffer_get_timestamp (GstBuffer * buffer)
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guint32
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gst_rtp_buffer_list_get_timestamp (GstBufferList * list)
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{
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guint8 *data;
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GstBuffer *buffer;
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data = gst_rtp_buffer_list_get_data (list);
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g_return_val_if_fail (data != NULL, 0);
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buffer = gst_buffer_list_get (list, 0, 0);
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g_return_val_if_fail (buffer != NULL, 0);
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return g_ntohl (GST_RTP_HEADER_TIMESTAMP (data));
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return g_ntohl (GST_RTP_HEADER_TIMESTAMP (GST_BUFFER_DATA (buffer)));
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}
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/**
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@ -1187,6 +1125,15 @@ gst_rtp_buffer_set_timestamp (GstBuffer * buffer, guint32 timestamp)
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GST_RTP_HEADER_TIMESTAMP (GST_BUFFER_DATA (buffer)) = g_htonl (timestamp);
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}
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static GstBufferListItem
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set_timestamp_header (GstBuffer ** buffer, guint group, guint idx,
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guint32 * timestamp)
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{
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GST_RTP_HEADER_TIMESTAMP (GST_BUFFER_DATA (*buffer)) = g_htonl (*timestamp);
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return GST_BUFFER_LIST_SKIP_GROUP;
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}
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/**
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* gst_rtp_buffer_list_set_timestamp:
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* @list: the buffer list
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@ -1199,7 +1146,8 @@ gst_rtp_buffer_set_timestamp (GstBuffer * buffer, guint32 timestamp)
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void
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gst_rtp_buffer_list_set_timestamp (GstBufferList * list, guint32 timestamp)
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{
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gst_rtp_buffer_list_set_rtp_headers (list, ×tamp, TIMESTAMP);
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gst_buffer_list_foreach (list, (GstBufferListFunc) set_timestamp_header,
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×tamp);
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}
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/**
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