Fixes for GNOME #687464 and #687793

This commit is contained in:
Debarshi Ray 2012-11-07 17:08:25 +01:00
parent c109ce8fc9
commit d957d68ff8
3 changed files with 106 additions and 1 deletions

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@ -0,0 +1,61 @@
From 0bf17544e3c2a9277975659ce6e52d265d9b3e8a Mon Sep 17 00:00:00 2001
From: Debarshi Ray <rishi@gnu.org>
Date: Fri, 2 Nov 2012 16:39:28 +0100
Subject: [PATCH] speexdec: Don't unmap or finish_frame an invalid GstBuffer
https://bugzilla.gnome.org/show_bug.cgi?id=687464
---
ext/speex/gstspeexdec.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/ext/speex/gstspeexdec.c b/ext/speex/gstspeexdec.c
index 36cc68b..cd78804 100644
--- a/ext/speex/gstspeexdec.c
+++ b/ext/speex/gstspeexdec.c
@@ -392,6 +392,7 @@ gst_speex_dec_parse_data (GstSpeexDec * dec, GstBuffer * buf)
/* now decode each frame, catering for unknown number of them (e.g. rtp) */
for (i = 0; i < fpp; i++) {
GstBuffer *outbuf;
+ gboolean corrupted = FALSE;
gint ret;
GST_LOG_OBJECT (dec, "decoding frame %d/%d, %d bits remaining", i, fpp,
@@ -425,18 +426,15 @@ gst_speex_dec_parse_data (GstSpeexDec * dec, GstBuffer * buf)
} else {
GST_WARNING_OBJECT (dec, "Unexpected end of stream found");
}
- gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), NULL, 1);
- gst_buffer_unref (outbuf);
+ corrupted = TRUE;
} else if (ret == -2) {
GST_WARNING_OBJECT (dec, "Decoding error: corrupted stream?");
- gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), NULL, 1);
- gst_buffer_unref (outbuf);
+ corrupted = TRUE;
}
if (bits && speex_bits_remaining (bits) < 0) {
GST_WARNING_OBJECT (dec, "Decoding overflow: corrupted stream?");
- gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), NULL, 1);
- gst_buffer_unref (outbuf);
+ corrupted = TRUE;
}
if (dec->header->nb_channels == 2)
speex_decode_stereo_int ((spx_int16_t *) map.data, dec->frame_size,
@@ -444,7 +442,12 @@ gst_speex_dec_parse_data (GstSpeexDec * dec, GstBuffer * buf)
gst_buffer_unmap (outbuf, &map);
- res = gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), outbuf, 1);
+ if (!corrupted) {
+ res = gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), outbuf, 1);
+ } else {
+ res = gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (dec), NULL, 1);
+ gst_buffer_unref (outbuf);
+ }
if (res != GST_FLOW_OK) {
GST_DEBUG_OBJECT (dec, "flow: %s", gst_flow_get_name (res));
--
1.7.12.1

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@ -0,0 +1,37 @@
From 5f41f4683d50fce293d770ae35f3f9a0083744a6 Mon Sep 17 00:00:00 2001
From: Debarshi Ray <rishi@gnu.org>
Date: Tue, 6 Nov 2012 19:49:45 +0100
Subject: [PATCH] v4l2src: Check for obj->pool == NULL
Not sure how it could happen and can not reproduce it either, but it
did happen once during a VoIP call and the backtrace lays the blame
on obj->pool being NULL.
https://bugzilla.gnome.org/show_bug.cgi?id=687793
---
sys/v4l2/gstv4l2src.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
index 6197f78..58ff481 100644
--- a/sys/v4l2/gstv4l2src.c
+++ b/sys/v4l2/gstv4l2src.c
@@ -763,11 +763,14 @@ gst_v4l2src_fill (GstPushSrc * src, GstBuffer * buf)
{
GstV4l2Src *v4l2src = GST_V4L2SRC (src);
GstV4l2Object *obj = v4l2src->v4l2object;
- GstFlowReturn ret;
+ GstFlowReturn ret = GST_FLOW_ERROR;
GstClock *clock;
GstClockTime abs_time, base_time, timestamp, duration;
GstClockTime delay;
+ if (G_UNLIKELY (obj->pool == NULL))
+ goto error;
+
ret =
gst_v4l2_buffer_pool_process (GST_V4L2_BUFFER_POOL_CAST (obj->pool), buf);
--
1.7.12.1

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@ -9,7 +9,7 @@
Name: gstreamer1-plugins-good
Version: 1.0.2
Release: 2%{?dist}
Release: 3%{?dist}
Summary: GStreamer plugins with good code and licensing
License: LGPLv2+
@ -17,6 +17,8 @@ URL: http://gstreamer.freedesktop.org/
Source0: http://gstreamer.freedesktop.org/src/gst-plugins-good/gst-plugins-good-%{version}.tar.xz
Patch0: 0001-vp8dec-Short-circuit-gst_vp8_dec_handle_frame-if-key.patch
Patch1: 0002-vp8dec-Immediately-return-if-opening-the-decoder-fai.patch
Patch2: 0001-speexdec-Don-t-unmap-or-finish_frame-an-invalid-GstB.patch
Patch3: 0001-v4l2src-Check-for-obj-pool-NULL.patch
BuildRequires: gstreamer1-devel >= %{version}
BuildRequires: gstreamer1-plugins-base-devel >= %{version}
@ -87,6 +89,8 @@ to be installed.
%setup -q -n gst-plugins-good-%{version}
%patch0 -p1
%patch1 -p1
%patch2 -p1
%patch3 -p1
%build
@ -203,6 +207,9 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
%changelog
* Wed Nov 7 2012 Debarshi Ray <rishi@fedoraproject.org> - 1.0.2-3
- Fixes for GNOME #687464 and #687793
* Fri Nov 2 2012 Debarshi Ray <rishi@fedoraproject.org> - 1.0.2-2
- Fixes for vp8dec including GNOME #687376