[vlc-commits] [Git][videolan/vlc][master] sout/rtp: add support for E-AC-3

[Rémi Denis-Courmont (@Courmisch)]

Rémi Denis-Courmont pushed to branch master at VideoLAN / VLC


Commits:
d41fb4e1 by Rémi Denis-Courmont at 2021-12-05T18:01:30+00:00
sout/rtp: add support for E-AC-3

- - - - -


1 changed file:

- modules/stream_out/rtpfmt.c


Changes:

=====================================
modules/stream_out/rtpfmt.c
=====================================
@@ -41,6 +41,7 @@
 static int rtp_packetize_mpa  (sout_stream_id_sys_t *, block_t *);
 static int rtp_packetize_mpv  (sout_stream_id_sys_t *, block_t *);
 static int rtp_packetize_ac3  (sout_stream_id_sys_t *, block_t *);
+static int rtp_packetize_eac3(sout_stream_id_sys_t *, block_t *);
 static int rtp_packetize_simple(sout_stream_id_sys_t *, block_t *);
 static int rtp_packetize_split(sout_stream_id_sys_t *, block_t *);
 static int rtp_packetize_pcm(sout_stream_id_sys_t *, block_t *);
@@ -277,6 +278,10 @@ int rtp_get_fmt( vlc_object_t *obj, const es_format_t *p_fmt, const char *mux,
             rtp_fmt->ptname = "ac3";
             rtp_fmt->pf_packetize = rtp_packetize_ac3;
             break;
+        case VLC_CODEC_EAC3:
+            rtp_fmt->ptname = "eac3";
+            rtp_fmt->pf_packetize = rtp_packetize_eac3;
+            break;
         case VLC_CODEC_H263:
             rtp_fmt->ptname = "H263-1998";
             rtp_fmt->pf_packetize = rtp_packetize_h263;
@@ -980,6 +985,32 @@ static int rtp_packetize_ac3( sout_stream_id_sys_t *id, block_t *in )
     return VLC_SUCCESS;
 }
 
+static int rtp_packetize_eac3(sout_stream_id_sys_t *id, block_t *in)
+{
+    size_t mtu = rtp_mtu(id) - 2;
+    uint_fast8_t frag_count = (in->i_buffer + mtu - 1) / mtu - 1;
+    uint8_t frame_type = frag_count > 0;
+
+    for (unsigned int i = 0; i < frag_count; i++) {
+        bool last = i == (frag_count - 1);
+        size_t len = last ? in->i_buffer : mtu;
+        block_t *out = block_Alloc(14 + len);
+
+        rtp_packetize_common(id, out, false, in->i_pts);
+        out->p_buffer[12] = frame_type;
+        out->p_buffer[13] = frag_count;
+        memcpy(&out->p_buffer[14], in->p_buffer, len);
+        out->i_dts = in->i_dts + i * in->i_length / frag_count;
+
+        rtp_packetize_send(id, out);
+        in->p_buffer += len;
+        in->i_buffer -= len;
+    }
+
+    block_Release(in);
+    return VLC_SUCCESS;
+}
+
 static int rtp_packetize_simple(sout_stream_id_sys_t *id, block_t *block)
 {
     bool marker = (block->i_flags & BLOCK_FLAG_DISCONTINUITY) != 0;



View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/d41fb4e1d515ec0bd7b923333200c7f0d05169d8

-- 
View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/d41fb4e1d515ec0bd7b923333200c7f0d05169d8
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