[vlc-commits] rtp: hand-over the data block reference to the packetization function
Rémi Denis-Courmont
git at videolan.org
Sat Jan 17 08:57:55 CET 2015
vlc/vlc-2.2 | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Thu Sep 25 21:50:56 2014 +0300| [5d3891a441817d0ebb9f9749d1c4104dceff1917] | committer: Jean-Baptiste Kempf
rtp: hand-over the data block reference to the packetization function
(cherry picked from commit a1222364b5f81c9f6e819c001394858bc3f4cea4)
Signed-off-by: Jean-Baptiste Kempf <jb at videolan.org>
> http://git.videolan.org/gitweb.cgi/vlc/vlc-2.2.git/?a=commit;h=5d3891a441817d0ebb9f9749d1c4104dceff1917
---
modules/stream_out/rtp.c | 6 ++---
modules/stream_out/rtpfmt.c | 61 +++++++++++++++++++++++++++++++++----------
2 files changed, 49 insertions(+), 18 deletions(-)
diff --git a/modules/stream_out/rtp.c b/modules/stream_out/rtp.c
index 4031d18..bfdabb9 100644
--- a/modules/stream_out/rtp.c
+++ b/modules/stream_out/rtp.c
@@ -1265,14 +1265,13 @@ static int Del( sout_stream_t *p_stream, sout_stream_id_sys_t *id )
static int Send( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
block_t *p_buffer )
{
- block_t *p_next;
-
assert( p_stream->p_sys->p_mux == NULL );
(void)p_stream;
while( p_buffer != NULL )
{
- p_next = p_buffer->p_next;
+ block_t *p_next = p_buffer->p_next;
+ p_buffer->p_next = NULL;
/* Send a Vorbis/Theora Packed Configuration packet (RFC 5215 §3.1)
* as the first packet of the stream */
@@ -1288,7 +1287,6 @@ static int Send( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
if( id->rtp_fmt.pf_packetize( id, p_buffer ) )
break;
- block_Release( p_buffer );
p_buffer = p_next;
}
return VLC_SUCCESS;
diff --git a/modules/stream_out/rtpfmt.c b/modules/stream_out/rtpfmt.c
index 633fa19..75b4143 100644
--- a/modules/stream_out/rtpfmt.c
+++ b/modules/stream_out/rtpfmt.c
@@ -681,6 +681,7 @@ static int rtp_packetize_xiph( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -716,6 +717,7 @@ static int rtp_packetize_mpa( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -815,6 +817,7 @@ static int rtp_packetize_mpv( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -851,6 +854,7 @@ static int rtp_packetize_ac3( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -883,6 +887,7 @@ static int rtp_packetize_split( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -916,6 +921,7 @@ static int rtp_packetize_swab( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -969,6 +975,7 @@ static int rtp_packetize_mp4a_latm( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1008,6 +1015,7 @@ static int rtp_packetize_mp4a( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1030,10 +1038,12 @@ static int rtp_packetize_h263( sout_stream_id_sys_t *id, block_t *in )
if( i_data < 2 )
{
+ block_Release(in);
return VLC_EGENERIC;
}
if( p_data[0] || p_data[1] )
{
+ block_Release(in);
return VLC_EGENERIC;
}
/* remove 2 leading 0 bytes */
@@ -1070,6 +1080,7 @@ static int rtp_packetize_h263( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1182,6 +1193,8 @@ static int rtp_packetize_h264( sout_stream_id_sys_t *id, block_t *in )
i_buffer -= i_skip;
p_buffer += i_skip;
}
+
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1220,6 +1233,7 @@ static int rtp_packetize_amr( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1242,15 +1256,20 @@ static int rtp_packetize_t140( sout_stream_id_sys_t *id, block_t *in )
while( ( p_data[i_payload] & 0xC0 ) == 0x80 )
{
if( i_payload == 0 )
+ {
+ block_Release(in);
return VLC_SUCCESS; /* fishy input! */
-
+ }
i_payload--;
}
}
block_t *out = block_Alloc( 12 + i_payload );
if( out == NULL )
+ {
+ block_Release(in);
return VLC_SUCCESS;
+ }
rtp_packetize_common( id, out, 0, in->i_pts + i_packet );
memcpy( out->p_buffer + 12, p_data, i_payload );
@@ -1265,6 +1284,7 @@ static int rtp_packetize_t140( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1278,7 +1298,10 @@ static int rtp_packetize_spx( sout_stream_id_sys_t *id, block_t *in )
block_t *p_out;
if ( in->i_buffer > rtp_mtu (id) )
+ {
+ block_Release(in);
return VLC_SUCCESS;
+ }
/*
RFC for Speex in RTP says that each packet must end on an octet
@@ -1337,6 +1360,7 @@ static int rtp_packetize_spx( sout_stream_id_sys_t *id, block_t *in )
p_out->i_buffer = 12 + i_payload_size;
p_out->i_dts = in->i_dts;
p_out->i_length = in->i_length;
+ block_Release(in);
/* Queue the buffer for actual transmission. */
rtp_packetize_send( id, p_out );
@@ -1372,6 +1396,8 @@ static int rtp_packetize_g726( sout_stream_id_sys_t *id, block_t *in, int i_pad
p_data += i_payload;
i_data -= i_payload;
}
+
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1407,14 +1433,20 @@ static int rtp_packetize_vp8( sout_stream_id_sys_t *id, block_t *in )
int i_data = in->i_buffer;
if ( i_max <= 0 )
+ {
+ block_Release(in);
return VLC_EGENERIC;
+ }
for( int i = 0; i < i_count; i++ )
{
int i_payload = __MIN( i_max, i_data );
block_t *out = block_Alloc( RTP_VP8_PAYLOAD_START + i_payload );
if ( out == NULL )
+ {
+ block_Release(in);
return VLC_ENOMEM;
+ }
/* VP8 payload header */
/* All frames are marked as reference ones */
@@ -1438,6 +1470,7 @@ static int rtp_packetize_vp8( sout_stream_id_sys_t *id, block_t *in )
i_data -= i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
}
@@ -1463,7 +1496,7 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
// Skip SOI
if (GetWBE(p_data) != 0xffd8)
- return VLC_EGENERIC;
+ goto error;
p_data += 2;
i_data -= 2;
@@ -1475,17 +1508,14 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
int section_size = GetWBE(section);
uint8_t *section_body = p_data + 4;
if (section + section_size > bufend)
- return VLC_EGENERIC;
+ goto error;
assert((marker & 0xff00) == 0xff00);
switch (marker)
{
case 0xffdb /*DQT*/:
if (section_body[0])
- {
- // Only 8-bit precision is supported
- return VLC_EGENERIC;
- }
+ goto error; // Only 8-bit precision is supported
/* a quantization table is 64 bytes long */
nb_qtables = section_size / 65;
@@ -1498,7 +1528,7 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
if (width > 2040 || height > 2040)
{
// larger than limit supported by RFC 2435
- return VLC_EGENERIC;
+ goto error;
}
// Round up by 8, divide by 8
w = ((width+7)&~7) >> 3;
@@ -1512,7 +1542,7 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
// Only 3 components are supported by RFC 2435
if (section_body[5] != 3) // Number of components
- return VLC_EGENERIC;
+ goto error;
for (int j = 0; j < 3; j++)
{
if (section_body[6 + j * 3] == 1 /* Y */)
@@ -1522,7 +1552,7 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
else if (section_body[6 + j * 3 + 1] != 0x11)
{
// Sampling factor is unsupported by RFC 2435
- return VLC_EGENERIC;
+ goto error;
}
}
break;
@@ -1541,9 +1571,9 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
i_data -= 2 + section_size;
}
if (!header_finished)
- return VLC_EGENERIC;
+ goto error;
if (!w || !h)
- return VLC_EGENERIC;
+ goto error;
switch (y_sampling_factor)
{
@@ -1554,8 +1584,7 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
type = 0;
break;
default:
- // Sampling format unsupported by RFC 2435
- return VLC_EGENERIC;
+ goto error; // Sampling format unsupported by RFC 2435
}
if (dri_found)
@@ -1628,5 +1657,9 @@ static int rtp_packetize_jpeg( sout_stream_id_sys_t *id, block_t *in )
off += i_payload;
}
+ block_Release(in);
return VLC_SUCCESS;
+error:
+ block_Release(in);
+ return VLC_EGENERIC;
}
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