package/kodi: fix segfault during playback of mpeg2 content using vaapi

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/kodi/0005-Jarvis-partly-backport-of-PR-9231-to-fix-segfault.patch

@@ -0,0 +1,200 @@
+From 6a9e2bf65a346a43caff06efbf6051318d11aa8e Mon Sep 17 00:00:00 2001
+From: Bernd Kuhls <berndkuhls@hotmail.com>
+Date: Sat, 19 Mar 2016 08:49:43 +0100
+Subject: [PATCH] [Jarvis] partly backport of PR 9231 to fix segfault
+
+This patch is a backport of
+https://github.com/xbmc/xbmc/commit/a81208e3b53b84763fb9f20d8642ffc7bc63c9a7
+to fix a segfault during playback of vaapi-accelerated mpeg2 content:
+
+terminate called after throwing an instance of 'std::logic_error'
+  what():  basic_string::_S_construct null not valid
+[New LWP 3743]
+
+Program received signal SIGABRT, Aborted.
+[Switching to LWP 3743]
+0xb5664a9b in raise () from /lib/libc.so.0
+(gdb) bt full
+#0  0xb5664a9b in raise () from /lib/libc.so.0
+No symbol table info available.
+#1  0xb5660520 in abort () from /lib/libc.so.0
+No symbol table info available.
+#2  0xb56e6536 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#3  0xb56e4a1c in ?? () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#4  0xb56e4a80 in std::terminate() () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#5  0xb56e4cc9 in __cxa_throw () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#6  0xb5719d79 in std::__throw_logic_error(char const*) () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#7  0xb5722c41 in char* std::string::_S_construct<char const*>(char const*, char const*, std::allocator<char> const&, std::forward_iterator_tag) () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#8  0xb5722cc7 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&) () from /usr/lib/libstdc++.so.6
+No symbol table info available.
+#9  0x0848fea3 in CDVDVideoCodec::IsCodecDisabled (map=0x9130420 <g_vaapi_available>, size=5, id=AV_CODEC_ID_MPEG4)
+    at DVDVideoCodec.cpp:75
+        index = <optimized out>
+#10 0x08499d04 in VAAPI::CDecoder::Open (this=0xd09e5e8, avctx=0xd6a2ec0, mainctx=0xd6a2ec0, fmt=AV_PIX_FMT_VAAPI_VLD,
+    surfaces=6) at VAAPI.cpp:503
+        gpuvendor = {static npos = <optimized out>,
+          _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xceb267c "intel open source technology center"}}
+        profile = <optimized out>
+#11 0x08491bda in CDVDVideoCodecFFmpeg::GetFormat (avctx=0xd6a2ec0, fmt=0x986d9c0) at DVDVideoCodecFFmpeg.cpp:143
+        dec = 0xd09e5e8
+        ctx = <optimized out>
+        cur = 0x986d9c0
+#12 0xb61c8ced in ?? () from /usr/lib/libavcodec.so.56
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+Patch sent upstream: https://github.com/xbmc/xbmc/pull/9388
+---
+ .../cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.cpp | 18 +++++++-----------
+ xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.h  |  9 ++-------
+ xbmc/cores/dvdplayer/DVDCodecs/Video/VAAPI.cpp        | 19 ++++++++-----------
+ xbmc/cores/dvdplayer/DVDCodecs/Video/VDPAU.cpp        | 19 ++++++++-----------
+ 4 files changed, 25 insertions(+), 40 deletions(-)
+
+diff --git a/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.cpp b/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.cpp
+index 2428696..43e8844 100644
+--- a/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.cpp
++++ b/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.cpp
+@@ -60,19 +60,15 @@ bool CDVDVideoCodec::IsSettingVisible(const std::string &condition, const std::s
+   return true;
+ }
+ 
+-bool CDVDVideoCodec::IsCodecDisabled(DVDCodecAvailableType* map, unsigned int size, AVCodecID id)
++bool CDVDVideoCodec::IsCodecDisabled(const std::map<AVCodecID, std::string> &map, AVCodecID id)
+ {
+-  int index = -1;
+-  for (unsigned int i = 0; i < size; ++i)
++  auto codec = map.find(id);
++  if (codec != map.end())
+   {
+-    if(map[i].codec == id)
+-    {
+-      index = (int) i;
+-      break;
+-    }
++    return (!CSettings::GetInstance().GetBool(codec->second) ||
++            !CDVDVideoCodec::IsSettingVisible("unused", "unused",
++                                              CSettings::GetInstance().GetSetting(codec->second),
++                                              NULL));
+   }
+-  if(index > -1)
+-    return (!CSettings::GetInstance().GetBool(map[index].setting) || !CDVDVideoCodec::IsSettingVisible("unused", "unused", CSettings::GetInstance().GetSetting(map[index].setting), NULL));
+-
+   return false; //don't disable what we don't have
+ }
+diff --git a/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.h b/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.h
+index c84bb70..68ada7d 100644
+--- a/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.h
++++ b/xbmc/cores/dvdplayer/DVDCodecs/Video/DVDVideoCodec.h
+@@ -24,6 +24,7 @@
+ 
+ #include <vector>
+ #include <string>
++#include <map>
+ #include "cores/VideoRenderers/RenderFormats.h"
+ 
+ 
+@@ -34,12 +35,6 @@ extern "C" {
+ 
+ class CSetting;
+ 
+-struct DVDCodecAvailableType 
+-{
+-  AVCodecID codec;
+-  const char* setting;
+-};
+-
+ // when modifying these structures, make sure you update all codecs accordingly
+ #define FRAME_TYPE_UNDEF 0
+ #define FRAME_TYPE_I 1
+@@ -290,7 +285,7 @@ public:
+   /**
+   * Interact with user settings so that user disabled codecs are disabled
+   */
+-  static bool IsCodecDisabled(DVDCodecAvailableType* map, unsigned int size, AVCodecID id);
++  static bool IsCodecDisabled(const std::map<AVCodecID, std::string> &map, AVCodecID id);
+ 
+    /* For calculation of dropping requirements player asks for some information.
+    *
+diff --git a/xbmc/cores/dvdplayer/DVDCodecs/Video/VAAPI.cpp b/xbmc/cores/dvdplayer/DVDCodecs/Video/VAAPI.cpp
+index 540f914..ff53dd5 100644
+--- a/xbmc/cores/dvdplayer/DVDCodecs/Video/VAAPI.cpp
++++ b/xbmc/cores/dvdplayer/DVDCodecs/Video/VAAPI.cpp
+@@ -451,16 +451,6 @@ bool CVideoSurfaces::HasRefs()
+ // VAAPI
+ //-----------------------------------------------------------------------------
+ 
+-// settings codecs mapping
+-DVDCodecAvailableType g_vaapi_available[] = {
+-  { AV_CODEC_ID_H263, CSettings::SETTING_VIDEOPLAYER_USEVAAPIMPEG4.c_str() },
+-  { AV_CODEC_ID_MPEG4, CSettings::SETTING_VIDEOPLAYER_USEVAAPIMPEG4.c_str() },
+-  { AV_CODEC_ID_WMV3, CSettings::SETTING_VIDEOPLAYER_USEVAAPIVC1.c_str() },
+-  { AV_CODEC_ID_VC1, CSettings::SETTING_VIDEOPLAYER_USEVAAPIVC1.c_str() },
+-  { AV_CODEC_ID_MPEG2VIDEO, CSettings::SETTING_VIDEOPLAYER_USEVAAPIMPEG2.c_str() },
+-};
+-const size_t settings_count = sizeof(g_vaapi_available) / sizeof(DVDCodecAvailableType);
+-
+ CDecoder::CDecoder() : m_vaapiOutput(&m_inMsgEvent)
+ {
+   m_vaapiConfig.videoSurfaces = &m_videoSurfaces;
+@@ -500,7 +490,14 @@ bool CDecoder::Open(AVCodecContext* avctx, AVCodecContext* mainctx, const enum P
+   }
+ 
+   // check if user wants to decode this format with VAAPI
+-  if (CDVDVideoCodec::IsCodecDisabled(g_vaapi_available, settings_count, avctx->codec_id))
++  std::map<AVCodecID, std::string> settings_map = {
++    { AV_CODEC_ID_H263, CSettings::SETTING_VIDEOPLAYER_USEVAAPIMPEG4 },
++    { AV_CODEC_ID_MPEG4, CSettings::SETTING_VIDEOPLAYER_USEVAAPIMPEG4 },
++    { AV_CODEC_ID_WMV3, CSettings::SETTING_VIDEOPLAYER_USEVAAPIVC1 },
++    { AV_CODEC_ID_VC1, CSettings::SETTING_VIDEOPLAYER_USEVAAPIVC1 },
++    { AV_CODEC_ID_MPEG2VIDEO, CSettings::SETTING_VIDEOPLAYER_USEVAAPIMPEG2 },
++  };
++  if (CDVDVideoCodec::IsCodecDisabled(settings_map, avctx->codec_id))
+     return false;
+ 
+   if (g_advancedSettings.CanLogComponent(LOGVIDEO))
+diff --git a/xbmc/cores/dvdplayer/DVDCodecs/Video/VDPAU.cpp b/xbmc/cores/dvdplayer/DVDCodecs/Video/VDPAU.cpp
+index 85d9295..4e995b6 100644
+--- a/xbmc/cores/dvdplayer/DVDCodecs/Video/VDPAU.cpp
++++ b/xbmc/cores/dvdplayer/DVDCodecs/Video/VDPAU.cpp
+@@ -45,16 +45,6 @@ using namespace VDPAU;
+ 
+ #define ARSIZE(x) (sizeof(x) / sizeof((x)[0]))
+ 
+-// settings codecs mapping
+-DVDCodecAvailableType g_vdpau_available[] = {
+-  { AV_CODEC_ID_H263, CSettings::SETTING_VIDEOPLAYER_USEVDPAUMPEG4.c_str() },
+-  { AV_CODEC_ID_MPEG4, CSettings::SETTING_VIDEOPLAYER_USEVDPAUMPEG4.c_str() },
+-  { AV_CODEC_ID_WMV3, CSettings::SETTING_VIDEOPLAYER_USEVDPAUVC1.c_str() },
+-  { AV_CODEC_ID_VC1, CSettings::SETTING_VIDEOPLAYER_USEVDPAUVC1.c_str() },
+-  { AV_CODEC_ID_MPEG2VIDEO, CSettings::SETTING_VIDEOPLAYER_USEVDPAUMPEG2.c_str() },
+-};
+-const size_t settings_count = sizeof(g_vdpau_available) / sizeof(DVDCodecAvailableType);
+-
+ CDecoder::Desc decoder_profiles[] = {
+ {"MPEG1",        VDP_DECODER_PROFILE_MPEG1},
+ {"MPEG2_SIMPLE", VDP_DECODER_PROFILE_MPEG2_SIMPLE},
+@@ -494,7 +484,14 @@ bool CDecoder::Open(AVCodecContext* avctx, AVCodecContext* mainctx, const enum P
+   // nvidia is whitelisted despite for mpeg-4 we need to query user settings
+   if ((gpuvendor.compare(0, 6, "nvidia") != 0)  || (avctx->codec_id == AV_CODEC_ID_MPEG4) || (avctx->codec_id == AV_CODEC_ID_H263))
+   {
+-    if (CDVDVideoCodec::IsCodecDisabled(g_vdpau_available, settings_count, avctx->codec_id))
++    std::map<AVCodecID, std::string> settings_map = {
++      { AV_CODEC_ID_H263, CSettings::SETTING_VIDEOPLAYER_USEVDPAUMPEG4 },
++      { AV_CODEC_ID_MPEG4, CSettings::SETTING_VIDEOPLAYER_USEVDPAUMPEG4 },
++      { AV_CODEC_ID_WMV3, CSettings::SETTING_VIDEOPLAYER_USEVDPAUVC1 },
++      { AV_CODEC_ID_VC1, CSettings::SETTING_VIDEOPLAYER_USEVDPAUVC1 },
++      { AV_CODEC_ID_MPEG2VIDEO, CSettings::SETTING_VIDEOPLAYER_USEVDPAUMPEG2 },
++    };
++    if (CDVDVideoCodec::IsCodecDisabled(settings_map, avctx->codec_id))
+       return false;
+   }
+ 
+-- 
+2.7.0
+