[mythtv-commits] Ticket #2171: XVideo: Support padded YUV strides
MythTV
mythtv at cvs.mythtv.org
Wed Aug 16 19:08:20 UTC 2006
#2171: XVideo: Support padded YUV strides
-----------------------+----------------------------------------------------
Reporter: anonymous | Owner: danielk
Type: patch | Status: new
Priority: minor | Milestone: 0.21
Component: mythtv | Version: head
Severity: low | Resolution:
-----------------------+----------------------------------------------------
Comment (by stuarta):
with and without 2171-filters-v2.patch applied I'm getting a SEGV changing
inputs.
valgrind output
{{{
==11633== Invalid write of size 1
==11633== at 0x401E3C5: memset (mc_replace_strmem.c:477)
==11633== by 0x4743C6D: VideoBuffers::Clear(unsigned, int)
(videobuffers.cpp:1318)
==11633== by 0x4743CCD: VideoBuffers::Clear(int)
(videobuffers.cpp:1326)
==11633== by 0x4745FDF: VideoBuffers::CreateBuffers(int, int,
std::vector<unsigned char*, std::allocator<unsigned char*> >,
std::vector<YUVInfo, std::allocator<YUVInfo> >) (videobuffers.cpp:1151)
==11633== by 0x47761BC:
VideoOutputXv::CreateBuffers(VideoOutputSubType) (videoout_xv.cpp:1638)
==11633== by 0x47787C9: VideoOutputXv::InitXVideo()
(videoout_xv.cpp:886)
==11633== by 0x4778DCA: VideoOutputXv::InitVideoBuffers(MythCodecID,
bool, bool) (videoout_xv.cpp:718)
==11633== by 0x477978A: VideoOutputXv::InitSetupBuffers()
(videoout_xv.cpp:1124)
==11633== by 0x477A9C3: VideoOutputXv::InputChanged(int, int, float,
MythCodecID) (videoout_xv.cpp:228)
==11633== by 0x469545D: NuppelVideoPlayer::ReinitVideo()
(NuppelVideoPlayer.cpp:599)
==11633== by 0x46959F4: NuppelVideoPlayer::SetVideoParams(int, int,
double, int, float, FrameScanType) (NuppelVideoPlayer.cpp:876)
==11633== by 0x46CB34C: AvFormatDecoder::InitVideoCodec(AVStream*,
AVCodecContext*) (avformatdecoder.cpp:1006)
==11633== Address 0x17545C40 is not stack'd, malloc'd or (recently)
free'd
}}}
i'll attach gdb output & frontend --verbose channel,record logs.
Excerpt from the gdb output. the result of print *vf within
VideoBuffers::clear
{{{
$4 = {codec = FMT_YV12, buf = 0xa5569000 "", height = 576, width = 720,
bpp = 12, size = 622080, frameNumber = 0, timecode = 0, priv = {0x0, 0x0,
0x0, 0x0}, qscale_table = 0x0, qstride = 0, interlaced_frame = -1,
top_field_first = 1, repeat_pict = 0, forcekey = 0, pitches = {720, 360,
360}, offsets = {0, 414720, 518400}}
}}}
--
Ticket URL: <http://svn.mythtv.org/trac/ticket/2171#comment:9>
MythTV <http://www.mythtv.org/>
MythTV
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