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videolan
vlc
Commits
fc65166a
Commit
fc65166a
authored
Dec 23, 2015
by
Francois Cartegnie
Browse files
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Plain Diff
demux: hevc: use packetizer frame rate
Removes dependency on hevc_nal and allows more refactoring with h264
parent
d789b884
Changes
2
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Showing
2 changed files
with
30 additions
and
97 deletions
+30
-97
modules/demux/Makefile.am
modules/demux/Makefile.am
+1
-2
modules/demux/mpeg/hevc.c
modules/demux/mpeg/hevc.c
+29
-95
No files found.
modules/demux/Makefile.am
View file @
fc65166a
...
...
@@ -166,8 +166,7 @@ demux_LTLIBRARIES += libes_plugin.la
libh264_plugin_la_SOURCES
=
demux/mpeg/h264.c
demux_LTLIBRARIES
+=
libh264_plugin.la
libhevc_plugin_la_SOURCES
=
demux/mpeg/hevc.c packetizer/hevc_nal.h
\
packetizer/hevc_nal.c packetizer/hxxx_nal.h
libhevc_plugin_la_SOURCES
=
demux/mpeg/hevc.c
demux_LTLIBRARIES
+=
libhevc_plugin.la
libmkv_plugin_la_SOURCES
=
\
...
...
modules/demux/mpeg/hevc.c
View file @
fc65166a
...
...
@@ -35,9 +35,6 @@
#include <vlc_codec.h>
#include <vlc_mtime.h>
#include "../packetizer/hevc_nal.h"
#include "../packetizer/hxxx_nal.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
...
...
@@ -65,7 +62,6 @@ vlc_module_end ()
static
int
Demux
(
demux_t
*
);
static
int
Control
(
demux_t
*
,
int
,
va_list
);
static
int32_t
getFPS
(
demux_t
*
,
uint8_t
,
block_t
*
);
struct
demux_sys_t
{
...
...
@@ -75,9 +71,6 @@ struct demux_sys_t
unsigned
frame_rate_num
;
unsigned
frame_rate_den
;
decoder_t
*
p_packetizer
;
/* Only for probing fps */
hevc_video_parameter_set_t
*
rgp_vps
[
HEVC_VPS_MAX
];
};
#define HEVC_BLOCK_SIZE 2048
...
...
@@ -121,12 +114,10 @@ static int Open( vlc_object_t * p_this )
p_sys
->
frame_rate_den
=
1000
;
p_sys
->
frame_rate_num
=
1000
*
f_force_fps
;
date_Init
(
&
p_sys
->
dts
,
p_sys
->
frame_rate_num
,
p_sys
->
frame_rate_den
);
msg_Dbg
(
p_demux
,
"using %.2f fps"
,
(
double
)
f_force_fps
);
}
else
date_Init
(
&
p_sys
->
dts
,
25000
,
1000
);
/* Will be overwritten */
date_Set
(
&
p_sys
->
dts
,
VLC_TS_0
);
memset
(
p_sys
->
rgp_vps
,
0
,
sizeof
(
p_sys
->
rgp_vps
[
0
])
*
HEVC_VPS_MAX
);
/* Load the hevc packetizer */
es_format_Init
(
&
fmt
,
VIDEO_ES
,
VLC_CODEC_HEVC
);
...
...
@@ -137,13 +128,7 @@ static int Open( vlc_object_t * p_this )
return
VLC_EGENERIC
;
}
p_sys
->
p_es
=
es_out_Add
(
p_demux
->
out
,
&
p_sys
->
p_packetizer
->
fmt_out
);
if
(
!
p_sys
->
p_es
)
{
demux_PacketizerDestroy
(
p_sys
->
p_packetizer
);
free
(
p_sys
);
return
VLC_ENOMEM
;
}
p_sys
->
p_es
=
NULL
;
p_demux
->
pf_demux
=
Demux
;
p_demux
->
pf_control
=
Control
;
...
...
@@ -163,12 +148,6 @@ static void Close( vlc_object_t * p_this )
demux_PacketizerDestroy
(
p_sys
->
p_packetizer
);
for
(
unsigned
i
=
0
;
i
<
HEVC_VPS_MAX
;
i
++
)
{
if
(
p_sys
->
rgp_vps
[
i
]
)
hevc_rbsp_release_vps
(
p_sys
->
rgp_vps
[
i
]
);
}
free
(
p_sys
);
}
...
...
@@ -187,9 +166,6 @@ static int Demux( demux_t *p_demux)
return
0
;
}
p_block_in
->
i_dts
=
VLC_TS_INVALID
;
p_block_in
->
i_pts
=
VLC_TS_INVALID
;
while
(
(
p_block_out
=
p_sys
->
p_packetizer
->
pf_packetize
(
p_sys
->
p_packetizer
,
&
p_block_in
))
)
{
while
(
p_block_out
)
...
...
@@ -197,38 +173,45 @@ static int Demux( demux_t *p_demux)
block_t
*
p_next
=
p_block_out
->
p_next
;
p_block_out
->
p_next
=
NULL
;
p_block_out
->
i_dts
=
date_Get
(
&
p_sys
->
dts
);
p_block_out
->
i_pts
=
VLC_TS_INVALID
;
/* As we'll receive the pts of the head of the packetizer helper blockstream
* the dts/pts will always be late until next frame. */
p_block_in
->
i_dts
=
date_Get
(
&
p_sys
->
dts
);
p_block_in
->
i_pts
=
VLC_TS_INVALID
;
uint8_t
nal_type
=
(
p_block_out
->
p_buffer
[
4
]
&
0x7E
)
>>
1
;
uint8_t
nal_layer
=
hevc_getNALLayer
(
&
p_block_out
->
p_buffer
[
4
]);
if
(
p_sys
->
p_es
==
NULL
)
{
p_sys
->
p_packetizer
->
fmt_out
.
b_packetized
=
true
;
p_sys
->
p_es
=
es_out_Add
(
p_demux
->
out
,
&
p_sys
->
p_packetizer
->
fmt_out
);
if
(
!
p_sys
->
p_es
)
return
VLC_DEMUXER_EOF
;
}
/*Get fps from vps if available and not already forced*/
if
(
p_sys
->
frame_rate_den
==
0
&&
(
nal_type
==
HEVC_NAL_VPS
||
nal_type
==
HEVC_NAL_SPS
)
)
bool
frame
=
p_block_out
->
i_flags
&
BLOCK_FLAG_TYPE_MASK
;
es_out_Send
(
p_demux
->
out
,
p_sys
->
p_es
,
p_block_out
);
if
(
frame
)
{
if
(
getFPS
(
p_demux
,
nal_type
,
p_block_out
)
)
{
msg_Err
(
p_demux
,
"getFPS failed"
);
return
0
;
}
else
if
(
p_sys
->
frame_rate_den
)
if
(
!
p_sys
->
frame_rate_den
)
{
/* Use packetizer's one */
if
(
p_sys
->
p_packetizer
->
fmt_out
.
video
.
i_frame_rate_base
)
{
p_sys
->
frame_rate_num
=
p_sys
->
p_packetizer
->
fmt_out
.
video
.
i_frame_rate
;
p_sys
->
frame_rate_den
=
p_sys
->
p_packetizer
->
fmt_out
.
video
.
i_frame_rate_base
;
}
else
{
p_sys
->
frame_rate_num
=
25000
;
p_sys
->
frame_rate_den
=
1000
;
}
date_Init
(
&
p_sys
->
dts
,
p_sys
->
frame_rate_num
,
p_sys
->
frame_rate_den
);
date_Set
(
&
p_sys
->
dts
,
VLC_TS_0
);
msg_Dbg
(
p_demux
,
"using %.2f fps"
,
(
double
)
p_sys
->
frame_rate_num
/
p_sys
->
frame_rate_den
);
}
}
/* Update DTS only on VCL NAL*/
if
(
nal_type
<
HEVC_NAL_VPS
&&
p_sys
->
frame_rate_den
&&
nal_layer
==
0
)
/* Only on base layer */
{
es_out_Control
(
p_demux
->
out
,
ES_OUT_SET_PCR
,
p_block_out
->
i_dts
);
es_out_Control
(
p_demux
->
out
,
ES_OUT_SET_PCR
,
date_Get
(
&
p_sys
->
dts
)
);
date_Increment
(
&
p_sys
->
dts
,
1
);
}
es_out_Send
(
p_demux
->
out
,
p_sys
->
p_es
,
p_block_out
);
p_block_out
=
p_next
;
}
...
...
@@ -246,52 +229,3 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
0
,
1
,
i_query
,
args
);
}
static
int32_t
getFPS
(
demux_t
*
p_demux
,
uint8_t
i_nal_type
,
block_t
*
p_block
)
{
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
hevc_sequence_parameter_set_t
*
p_sps
=
NULL
;
uint8_t
i_id
;
if
(
!
hevc_get_xps_id
(
p_block
->
p_buffer
,
p_block
->
i_buffer
,
&
i_id
)
)
return
-
1
;
if
(
p_sys
->
rgp_vps
[
i_id
]
&&
i_nal_type
==
HEVC_NAL_VPS
)
return
-
1
;
const
uint8_t
*
p_nald
=
p_block
->
p_buffer
;
size_t
i_nald
=
p_block
->
i_buffer
;
if
(
hxxx_strip_AnnexB_startcode
(
&
p_nald
,
&
i_nald
)
)
{
if
(
i_nal_type
==
HEVC_NAL_VPS
)
p_sys
->
rgp_vps
[
i_id
]
=
hevc_decode_vps
(
p_nald
,
i_nald
,
true
);
else
p_sps
=
hevc_decode_sps
(
p_nald
,
i_nald
,
true
);
}
if
(
p_sps
)
{
if
(
!
hevc_get_frame_rate
(
p_sps
,
p_sys
->
rgp_vps
,
&
p_sys
->
frame_rate_num
,
&
p_sys
->
frame_rate_den
)
)
{
p_sys
->
frame_rate_num
=
25
;
p_sys
->
frame_rate_den
=
1
;
msg_Warn
(
p_demux
,
"No timing info in VPS defaulting to 25 fps"
);
}
else
{
msg_Dbg
(
p_demux
,
"Using framerate %2.f fps from VPS"
,
(
float
)
p_sys
->
frame_rate_num
/
(
float
)
p_sys
->
frame_rate_den
);
for
(
unsigned
i
=
0
;
i
<
HEVC_VPS_MAX
;
i
++
)
{
if
(
p_sys
->
rgp_vps
[
i
]
)
{
hevc_rbsp_release_vps
(
p_sys
->
rgp_vps
[
i
]
);
p_sys
->
rgp_vps
[
i
]
=
NULL
;
}
}
}
hevc_rbsp_release_sps
(
p_sps
);
}
return
0
;
}
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