From f5765ccf05b1d4c2cdbe3c83c7592b0b2b2e9769 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Olivier=20Cr=C3=AAte?= Date: Thu, 13 Jun 2019 17:23:26 -0400 Subject: [PATCH] rtph265pay: Extract sending fragments into _payload_nal_fragment Align with rtph264pay --- gst/rtp/gstrtph265pay.c | 150 +++++++++++++++++++++++++++--------------------- 1 file changed, 84 insertions(+), 66 deletions(-) diff --git a/gst/rtp/gstrtph265pay.c b/gst/rtp/gstrtph265pay.c index 36dd004..d42df9d 100644 --- a/gst/rtp/gstrtph265pay.c +++ b/gst/rtp/gstrtph265pay.c @@ -132,6 +132,10 @@ static GstStateChangeReturn gst_rtp_h265_pay_change_state (GstElement * static GstFlowReturn gst_rtp_h265_pay_payload_nal_single (GstRTPBasePayload * basepayload, GstBuffer * paybuf, GstClockTime dts, GstClockTime pts, gboolean marker); +static GstFlowReturn gst_rtp_h265_pay_payload_nal_fragment (GstRTPBasePayload * + basepayload, GstBuffer * paybuf, GstClockTime dts, GstClockTime pts, + gboolean marker, guint mtu, guint8 nal_type, const guint8 * nal_header, + int size); #define gst_rtp_h265_pay_parent_class parent_class G_DEFINE_TYPE (GstRtpH265Pay, gst_rtp_h265_pay, GST_TYPE_RTP_BASE_PAYLOAD); @@ -893,13 +897,9 @@ gst_rtp_h265_pay_payload_nal (GstRTPBasePayload * basepayload, for (i = 0; i < paybufs->len; i++) { guint8 nal_header[2]; guint8 nal_type; - guint packet_len, payload_len; + guint packet_len; GstBuffer *paybuf; - GstBuffer *outbuf; - guint8 *payload; - GstBufferList *outlist = NULL; gboolean send_ps; - GstRTPBuffer rtp = { NULL }; guint size; gboolean marker; @@ -1004,73 +1004,15 @@ gst_rtp_h265_pay_payload_nal (GstRTPBasePayload * basepayload, marker); } else { /* fragmentation Units */ - guint fragment_size; - int ii = 0, start = 1, end = 0, pos = 0; GST_DEBUG_OBJECT (basepayload, "NAL Unit DOES NOT fit in one packet datasize=%d mtu=%d", size, mtu); - pos += 2; - size -= 2; - GST_DEBUG_OBJECT (basepayload, "Using FU fragmentation for data size=%d", - size); - - /* We keep 3 bytes for PayloadHdr and FU Header */ - payload_len = gst_rtp_buffer_calc_payload_len (mtu - 3, 0, 0); - - outlist = gst_buffer_list_new (); - - while (end == 0) { - fragment_size = size < payload_len ? size : payload_len; - GST_DEBUG_OBJECT (basepayload, - "Inside FU fragmentation fragment_size=%d iteration=%d", - fragment_size, ii); - - /* use buffer lists - * create buffer without payload containing only the RTP header - * (memory block at index 0), and with space for PayloadHdr and FU header */ - outbuf = gst_rtp_buffer_new_allocate (3, 0, 0); - - gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp); - - GST_BUFFER_DTS (outbuf) = dts; - GST_BUFFER_PTS (outbuf) = pts; - payload = gst_rtp_buffer_get_payload (&rtp); - - if (fragment_size == size) { - GST_DEBUG_OBJECT (basepayload, "end size=%d iteration=%d", size, ii); - end = 1; - } - - /* PayloadHdr (type = FU_TYPE_ID (49)) */ - payload[0] = (nal_header[0] & 0x81) | (FU_TYPE_ID << 1); - payload[1] = nal_header[1]; - - /* If it's the last fragment and the end of this au, mark the end of - * slice */ - gst_rtp_buffer_set_marker (&rtp, end && marker); + size - 2); - /* FU Header */ - payload[2] = (start << 7) | (end << 6) | (nal_type & 0x3f); - - gst_rtp_buffer_unmap (&rtp); - - /* insert payload memory block */ - gst_rtp_copy_video_meta (rtph265pay, outbuf, paybuf); - gst_buffer_copy_into (outbuf, paybuf, GST_BUFFER_COPY_MEMORY, pos, - fragment_size); - /* add the buffer to the buffer list */ - gst_buffer_list_add (outlist, outbuf); - - size -= fragment_size; - pos += fragment_size; - ii++; - start = 0; - } - - ret = gst_rtp_base_payload_push_list (basepayload, outlist); - gst_buffer_unref (paybuf); + ret = gst_rtp_h265_pay_payload_nal_fragment (basepayload, paybuf, dts, + pts, marker, mtu, nal_type, nal_header, size); } } @@ -1116,6 +1058,82 @@ gst_rtp_h265_pay_payload_nal_single (GstRTPBasePayload * basepayload, return gst_rtp_base_payload_push_list (basepayload, outlist); } +static GstFlowReturn +gst_rtp_h265_pay_payload_nal_fragment (GstRTPBasePayload * basepayload, + GstBuffer * paybuf, GstClockTime dts, GstClockTime pts, gboolean marker, + guint mtu, guint8 nal_type, const guint8 * nal_header, int size) +{ + GstRtpH265Pay *rtph265pay = (GstRtpH265Pay *) basepayload; + GstFlowReturn ret; + guint payload_len; + GstBuffer *outbuf; + GstBufferList *outlist = NULL; + guint fragment_size; + int ii = 0, start = 1, end = 0, pos = 0; + GstRTPBuffer rtp = GST_RTP_BUFFER_INIT; + guint8 *payload; + + pos += 2; + size -= 2; + + /* We keep 3 bytes for PayloadHdr and FU Header */ + payload_len = gst_rtp_buffer_calc_payload_len (mtu - 3, 0, 0); + + outlist = gst_buffer_list_new (); + + while (end == 0) { + fragment_size = size < payload_len ? size : payload_len; + GST_DEBUG_OBJECT (basepayload, + "Inside FU fragmentation fragment_size=%d iteration=%d", + fragment_size, ii); + + /* use buffer lists + * create buffer without payload containing only the RTP header + * (memory block at index 0), and with space for PayloadHdr and FU header */ + outbuf = gst_rtp_buffer_new_allocate (3, 0, 0); + + gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp); + + GST_BUFFER_DTS (outbuf) = dts; + GST_BUFFER_PTS (outbuf) = pts; + payload = gst_rtp_buffer_get_payload (&rtp); + + if (fragment_size == size) { + GST_DEBUG_OBJECT (basepayload, "end size=%d iteration=%d", size, ii); + end = 1; + } + + /* PayloadHdr (type = FU_TYPE_ID (49)) */ + payload[0] = (nal_header[0] & 0x81) | (FU_TYPE_ID << 1); + payload[1] = nal_header[1]; + + /* If it's the last fragment and the end of this au, mark the end of + * slice */ + gst_rtp_buffer_set_marker (&rtp, end && marker); + + /* FU Header */ + payload[2] = (start << 7) | (end << 6) | (nal_type & 0x3f); + + gst_rtp_buffer_unmap (&rtp); + + /* insert payload memory block */ + gst_rtp_copy_video_meta (rtph265pay, outbuf, paybuf); + gst_buffer_copy_into (outbuf, paybuf, GST_BUFFER_COPY_MEMORY, pos, + fragment_size); + /* add the buffer to the buffer list */ + gst_buffer_list_add (outlist, outbuf); + + size -= fragment_size; + pos += fragment_size; + ii++; + start = 0; + } + + ret = gst_rtp_base_payload_push_list (basepayload, outlist); + gst_buffer_unref (paybuf); + + return ret; +} static GstFlowReturn -- 2.7.4