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msdkvp9enc: output raw vp9 stream instead of IVF stream

Browse source 
video/x-vp9 is required in the src pad, however the output includes a
IVF header, which makes the pipeline below doesn't work

  gst-launch-1.0 videotestsrc ! msdkvp9enc ! msdkvp9dec ! fakesink

Since mfx 1.26, the VP9 encoder supports bitstream without IVF header,
so in this patch, the mfx version is checked and msdkvp9enc is enabled
only if mfx 1.26+ is available
This commit is contained in:
Haihao Xiang 2020-01-15 16:02:11 +08:00
parent 6c1e5ab311
commit 50ae5061f9
4 changed files with 30 additions and 3 deletions
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6
sys/msdk/gstmsdk.c
View file

@ -45,7 +45,9 @@
#include "gstmsdkmpeg2dec.h"
#include "gstmsdkmpeg2enc.h"
#include "gstmsdkvp8dec.h"
#ifdef USE_MSDK_VP9_ENC
#include "gstmsdkvp9enc.h"
#endif
#include "gstmsdkvc1dec.h"
#ifdef USE_MSDK_VP9_DEC
#include "gstmsdkvp9dec.h"
@ -135,10 +137,10 @@ plugin_init (GstPlugin * plugin)
ret = gst_element_register (plugin, "msdkvp9dec", GST_RANK_NONE,
GST_TYPE_MSDKVP9DEC);
#endif
#ifdef USE_MSDK_VP9_ENC
ret = gst_element_register (plugin, "msdkvp9enc", GST_RANK_NONE,
GST_TYPE_MSDKVP9ENC);
#endif
ret = gst_element_register (plugin, "msdkvpp", GST_RANK_NONE,
GST_TYPE_MSDKVPP);

8
sys/msdk/gstmsdkvp9enc.c
View file

@ -111,6 +111,7 @@ gst_msdkvp9enc_set_format (GstMsdkEnc * encoder)
static gboolean
gst_msdkvp9enc_configure (GstMsdkEnc * encoder)
{
GstMsdkVP9Enc *vp9enc = GST_MSDKVP9ENC (encoder);
mfxSession session;
if (encoder->hardware) {
@ -149,6 +150,13 @@ gst_msdkvp9enc_configure (GstMsdkEnc * encoder)
/* Enable Extended coding options */
gst_msdkenc_ensure_extended_coding_options (encoder);
memset (&vp9enc->ext_vp9, 0, sizeof (vp9enc->ext_vp9));
vp9enc->ext_vp9.Header.BufferId = MFX_EXTBUFF_VP9_PARAM;
vp9enc->ext_vp9.Header.BufferSz = sizeof (vp9enc->ext_vp9);
vp9enc->ext_vp9.WriteIVFHeaders = MFX_CODINGOPTION_OFF;
gst_msdkenc_add_extra_param (encoder, (mfxExtBuffer *) & vp9enc->ext_vp9);
return TRUE;
}

2
sys/msdk/gstmsdkvp9enc.h
View file

@ -55,6 +55,8 @@ struct _GstMsdkVP9Enc
GstMsdkEnc base;
gint profile;
mfxExtVP9Param ext_vp9;
};
struct _GstMsdkVP9EncClass

17
sys/msdk/meson.build
View file

@ -18,7 +18,6 @@ msdk_sources = [
'gstmsdkvc1dec.c',
'gstmsdkvideomemory.c',
'gstmsdkvp8dec.c',
'gstmsdkvp9enc.c',
'gstmsdkvpp.c',
'gstmsdkvpputil.c',
'msdk-enums.c',
@ -78,6 +77,22 @@ if cxx.has_header('mfxvp9.h', args: '-I' + mfx_incdir)
cdata.set10('USE_MSDK_VP9_DEC', 1)
endif
# mfx 1.26+ is required to support raw VP9 stream
mfx_ver126_check_code = '''
#include <mfxdefs.h>
#if MFX_VERSION < 1026
#error "The current version of mfx doesn't support raw vp9 stream"
#endif'
'''
have_mfx_ver126 = cc.compiles(mfx_ver126_check_code,
include_directories : [configinc, mfx_inc])
if have_mfx_ver126
msdk_sources += [ 'gstmsdkvp9enc.c' ]
cdata.set10('USE_MSDK_VP9_ENC', 1)
endif
if host_machine.system() == 'windows'
if cc.get_id() != 'msvc' and msdk_option.enabled()
error('msdk plugin can only be built with MSVC')