[gentoo-commits] repo/gentoo:master commit in: media-video/ffmpegthumbnailer/files/, media-video/ffmpegthumbnailer/

[Alexis Ballier]

commit:     564304e8f9ed045fd252214d4433dc8f6aca18f4
Author:     Alexis Ballier <aballier <AT> gentoo <DOT> org>
AuthorDate: Mon Feb 28 10:05:23 2022 +0000
Commit:     Alexis Ballier <aballier <AT> gentoo <DOT> org>
CommitDate: Mon Feb 28 10:05:58 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=564304e8

media-video/ffmpegthumbnailer: ffmpeg5 fixes

from upstream

Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Alexis Ballier <aballier <AT> gentoo.org>

 .../ffmpegthumbnailer-2.2.2-r1.ebuild              | 61 +++++++++++++++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-1.patch        | 22 ++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-10.patch       | 22 ++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-2.patch        | 28 ++++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-3.patch        | 26 +++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-4.patch        | 32 +++++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-5.patch        | 37 +++++++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-6.patch        | 23 ++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-7.patch        | 27 ++++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-8.patch        | 54 +++++++++++++++++++
 .../ffmpegthumbnailer/files/ffmpeg5-9.patch        | 62 ++++++++++++++++++++++
 11 files changed, 394 insertions(+)

diff --git a/media-video/ffmpegthumbnailer/ffmpegthumbnailer-2.2.2-r1.ebuild b/media-video/ffmpegthumbnailer/ffmpegthumbnailer-2.2.2-r1.ebuild
new file mode 100644
index 000000000000..4906d0009027
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/ffmpegthumbnailer-2.2.2-r1.ebuild
@@ -0,0 +1,61 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="Lightweight video thumbnailer that can be used by file managers"
+HOMEPAGE="https://github.com/dirkvdb/ffmpegthumbnailer"
+SRC_URI="https://github.com/dirkvdb/${PN}/releases/download/${PV}/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
+IUSE="gnome gtk jpeg png test"
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="gnome? ( gtk )
+	test? ( png jpeg )"
+
+BDEPEND="
+	virtual/pkgconfig
+"
+RDEPEND="
+	gtk? ( dev-libs/glib:2= )
+	jpeg? ( virtual/jpeg:0= )
+	>=media-video/ffmpeg-2.7:0=
+	png? ( media-libs/libpng:0= )
+"
+DEPEND="${RDEPEND}"
+
+DOCS=( AUTHORS ChangeLog README.md )
+PATCHES=(
+	"${FILESDIR}/ffmpeg5-1.patch"
+	"${FILESDIR}/ffmpeg5-2.patch"
+	"${FILESDIR}/ffmpeg5-3.patch"
+	"${FILESDIR}/ffmpeg5-4.patch"
+	"${FILESDIR}/ffmpeg5-5.patch"
+	"${FILESDIR}/ffmpeg5-6.patch"
+	"${FILESDIR}/ffmpeg5-7.patch"
+	"${FILESDIR}/ffmpeg5-8.patch"
+	"${FILESDIR}/ffmpeg5-9.patch"
+	"${FILESDIR}/ffmpeg5-10.patch"
+)
+
+src_prepare() {
+	rm -rf out* || die
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DENABLE_GIO=$(usex gtk)
+		-DENABLE_TESTS=$(usex test)
+		-DENABLE_THUMBNAILER=$(usex gnome)
+		-DHAVE_JPEG=$(usex jpeg)
+		-DHAVE_PNG=$(usex png)
+	)
+	cmake_src_configure
+}

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-1.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-1.patch
new file mode 100644
index 000000000000..d852f3b4131d
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-1.patch
@@ -0,0 +1,22 @@
+From 67be4abd22b726e277c4b67bfb3abf5a65cfd9b5 Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:23:23 +1000
+Subject: [PATCH] lib/moviedecoder: remove unused variable
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index 290e212..aa44adf 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -570,8 +570,6 @@ bool MovieDecoder::getVideoPacket()
+     bool framesAvailable = true;
+     bool frameDecoded = false;
+ 
+-    int attempts = 0;
+-
+     if (m_pPacket)
+     {
+         av_packet_unref(m_pPacket);

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-10.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-10.patch
new file mode 100644
index 000000000000..81e57aab1c96
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-10.patch
@@ -0,0 +1,22 @@
+From efb5b618f1c1471c1a7900aed3a59d851ea9a210 Mon Sep 17 00:00:00 2001
+From: Paul Jonkins <paul.ionkin@×××××.com>
+Date: Wed, 23 Jun 2021 17:53:55 +0200
+Subject: [PATCH] Constify AVCodec
+
+---
+ libffmpegthumbnailer/moviedecoder.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.h b/libffmpegthumbnailer/moviedecoder.h
+index 3ef5f12..fb6add2 100644
+--- a/libffmpegthumbnailer/moviedecoder.h
++++ b/libffmpegthumbnailer/moviedecoder.h
+@@ -78,7 +78,7 @@ class MovieDecoder
+     int                     m_VideoStream;
+     AVFormatContext*        m_pFormatContext;
+     AVCodecContext*         m_pVideoCodecContext;
+-    AVCodec*                m_pVideoCodec;
++    const AVCodec*          m_pVideoCodec;
+     AVFilterGraph*          m_pFilterGraph;
+     AVFilterContext*        m_pFilterSource;
+     AVFilterContext*        m_pFilterSink;

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-2.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-2.patch
new file mode 100644
index 000000000000..8f22829f6bb7
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-2.patch
@@ -0,0 +1,28 @@
+From 66f64668e7a063e790813c7733ca438ab112af89 Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:42:07 +1000
+Subject: [PATCH] lib/moviedecoder: clang-tidy fixes
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index aa44adf..79c950b 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -503,12 +503,12 @@ void MovieDecoder::seek(int timeInSeconds)
+     avcodec_flush_buffers(m_pFormatContext->streams[m_VideoStream]->codec);
+ 
+     int keyFrameAttempts = 0;
+-    bool gotFrame = 0;
++    bool gotFrame;
+ 
+     do
+     {
+         int count = 0;
+-        gotFrame = 0;
++        gotFrame = false;
+ 
+         while (!gotFrame && count < 20)
+         {

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-3.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-3.patch
new file mode 100644
index 000000000000..ad7625775cf0
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-3.patch
@@ -0,0 +1,26 @@
+From 96c22aa66719846854895afcb72962862d5a4ffd Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 20:39:32 +1000
+Subject: [PATCH] lib/moviedecoder: remove SilenceLogLevel
+
+Was unused.
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 5 -----
+ 1 file changed, 5 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index 79c950b..21df096 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -41,11 +41,6 @@ using namespace std;
+ namespace ffmpegthumbnailer
+ {
+ 
+-struct SilenceLogLevel
+-{
+-    SilenceLogLevel() { av_log_set_level(AV_LOG_QUIET); }
+-};
+-
+ MovieDecoder::MovieDecoder(AVFormatContext* pavContext)
+ : m_VideoStream(-1)
+ , m_pFormatContext(pavContext)

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-4.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-4.patch
new file mode 100644
index 000000000000..eb063973ae37
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-4.patch
@@ -0,0 +1,32 @@
+From 664680f4bfeb89923f485eba270f9e49a8d02bfc Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:25:40 +1000
+Subject: [PATCH] lib/moviedecoder: remove registration calls
+
+They're not needed anymore.
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index 21df096..ac3e5b9 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -65,8 +65,6 @@ MovieDecoder::~MovieDecoder()
+ 
+ void MovieDecoder::initialize(const string& filename, bool preferEmbeddedMetadata)
+ {
+-    av_register_all();
+-    avcodec_register_all();
+     avformat_network_init();
+ 
+     string inputFile = filename == "-" ? "pipe:" : filename;
+@@ -386,8 +384,6 @@ void MovieDecoder::initializeFilterGraph(const AVRational& timeBase, const std::
+     auto del = [] (AVBufferSinkParams* p) { av_freep(p); };
+     std::unique_ptr<AVBufferSinkParams, decltype(del)> buffersinkParams(av_buffersink_params_alloc(), del);
+ 
+-    avfilter_register_all();
+-
+     m_pFilterGraph = avfilter_graph_alloc();
+     assert(m_pFilterGraph);
+ 

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-5.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-5.patch
new file mode 100644
index 000000000000..e2a131b31ebc
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-5.patch
@@ -0,0 +1,37 @@
+From 1ae42e664e1f3c915d186ae00aa2c8018b998708 Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:30:21 +1000
+Subject: [PATCH] lib/moviedecoder: remove use of AVBufferSinkParams
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 9 +--------
+ 1 file changed, 1 insertion(+), 8 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index ac3e5b9..dece668 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -379,11 +379,6 @@ std::string MovieDecoder::createScaleString(const std::string& sizeString, bool
+ 
+ void MovieDecoder::initializeFilterGraph(const AVRational& timeBase, const std::string& size, bool maintainAspectRatio)
+ {
+-    static const AVPixelFormat pixelFormats[] = { AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE };
+-
+-    auto del = [] (AVBufferSinkParams* p) { av_freep(p); };
+-    std::unique_ptr<AVBufferSinkParams, decltype(del)> buffersinkParams(av_buffersink_params_alloc(), del);
+-
+     m_pFilterGraph = avfilter_graph_alloc();
+     assert(m_pFilterGraph);
+ 
+@@ -395,10 +390,8 @@ void MovieDecoder::initializeFilterGraph(const AVRational& timeBase, const std::
+ 
+     checkRc(avfilter_graph_create_filter(&m_pFilterSource, avfilter_get_by_name("buffer"), "thumb_buffer", ss.str().c_str(), nullptr, m_pFilterGraph),
+             "Failed to create filter source");
+-    buffersinkParams->pixel_fmts = pixelFormats;
+-    checkRc(avfilter_graph_create_filter(&m_pFilterSink, avfilter_get_by_name("buffersink"), "thumb_buffersink", nullptr, buffersinkParams.get(), m_pFilterGraph),
++    checkRc(avfilter_graph_create_filter(&m_pFilterSink, avfilter_get_by_name("buffersink"), "thumb_buffersink", nullptr, nullptr, m_pFilterGraph),
+             "Failed to create filter sink");
+-    buffersinkParams.release();
+ 
+     AVFilterContext* yadifFilter = nullptr;
+     if (m_pFrame->interlaced_frame != 0)

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-6.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-6.patch
new file mode 100644
index 000000000000..59860a599ef2
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-6.patch
@@ -0,0 +1,23 @@
+From 19675349662a4ea4455d7d13b01cca28ab585762 Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:39:58 +1000
+Subject: [PATCH] lib/moviedecoder: use m_pVideoCodecContext instead of
+ AVStream::codec
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index dece668..0b7a280 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -484,7 +484,7 @@ void MovieDecoder::seek(int timeInSeconds)
+     }
+ 
+     checkRc(av_seek_frame(m_pFormatContext, -1, timestamp, 0), "Seeking in video failed");
+-    avcodec_flush_buffers(m_pFormatContext->streams[m_VideoStream]->codec);
++    avcodec_flush_buffers(m_pVideoCodecContext);
+ 
+     int keyFrameAttempts = 0;
+     bool gotFrame;

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-7.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-7.patch
new file mode 100644
index 000000000000..ac1eb3c25423
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-7.patch
@@ -0,0 +1,27 @@
+From 4f74f83a009fa2b3f3d546adb24d4f1406910007 Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:49:03 +1000
+Subject: [PATCH] lib/moviedecoder: codec -> codecpar
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index 0b7a280..e58904e 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -145,10 +145,10 @@ int32_t MovieDecoder::findPreferedVideoStream(bool preferEmbeddedMetadata)
+     for (unsigned int i = 0; i < m_pFormatContext->nb_streams; ++i)
+     {
+         AVStream *stream = m_pFormatContext->streams[i];
+-        auto ctx = m_pFormatContext->streams[i]->codec;
+-        if (ctx->codec_type == AVMEDIA_TYPE_VIDEO)
++        auto par = m_pFormatContext->streams[i]->codecpar;
++        if (par->codec_type == AVMEDIA_TYPE_VIDEO)
+         {
+-            if (!preferEmbeddedMetadata || !isStillImageCodec(ctx->codec_id))
++            if (!preferEmbeddedMetadata || !isStillImageCodec(par->codec_id))
+             {
+                 videoStreams.push_back(i);
+                 continue;

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-8.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-8.patch
new file mode 100644
index 000000000000..d160cbb2404f
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-8.patch
@@ -0,0 +1,54 @@
+From 3ffdd65cbda6ef21d36c96013db1b0f4dc9fc57b Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 17:52:01 +1000
+Subject: [PATCH] lib/movedecoder: don't rely on avformat to allocate a context
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 20 ++++++++++++++++----
+ 1 file changed, 16 insertions(+), 4 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index e58904e..da5f32a 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -90,8 +90,7 @@ void MovieDecoder::destroy()
+ {
+     if (m_pVideoCodecContext)
+     {
+-        avcodec_close(m_pVideoCodecContext);
+-        m_pVideoCodecContext = nullptr;
++        avcodec_free_context(&m_pVideoCodecContext);
+     }
+ 
+     if ((!m_FormatContextWasGiven) && m_pFormatContext)
+@@ -196,8 +195,7 @@ void MovieDecoder::initializeVideo(bool preferEmbeddedMetadata)
+     }
+ 
+     m_pVideoStream = m_pFormatContext->streams[m_VideoStream];
+-    m_pVideoCodecContext = m_pVideoStream->codec;
+-    m_pVideoCodec = avcodec_find_decoder(m_pVideoCodecContext->codec_id);
++    m_pVideoCodec = avcodec_find_decoder(m_pVideoStream->codecpar->codec_id);
+ 
+     if (m_pVideoCodec == nullptr)
+     {
+@@ -207,6 +205,20 @@ void MovieDecoder::initializeVideo(bool preferEmbeddedMetadata)
+         throw logic_error("Video Codec not found");
+     }
+ 
++    m_pVideoCodecContext = avcodec_alloc_context3(m_pVideoCodec);
++
++    if (m_pVideoCodecContext == nullptr)
++    {
++        destroy();
++        throw logic_error("Could not allocate video codec context");
++    }
++
++    if (avcodec_parameters_to_context(m_pVideoCodecContext, m_pVideoStream->codecpar) < 0)
++    {
++        destroy();
++        throw logic_error("Could not configure video codec context");
++    }
++
+     m_pVideoCodecContext->workaround_bugs = 1;
+ 
+     if (avcodec_open2(m_pVideoCodecContext, m_pVideoCodec, nullptr) < 0)

diff --git a/media-video/ffmpegthumbnailer/files/ffmpeg5-9.patch b/media-video/ffmpegthumbnailer/files/ffmpeg5-9.patch
new file mode 100644
index 000000000000..42db9faef363
--- /dev/null
+++ b/media-video/ffmpegthumbnailer/files/ffmpeg5-9.patch
@@ -0,0 +1,62 @@
+From f9273852c8e3d7af77d6c8929b1ac6c8a26eca50 Mon Sep 17 00:00:00 2001
+From: Zane van Iperen <zane@×××××××××××××.com>
+Date: Mon, 15 Mar 2021 20:57:45 +1000
+Subject: [PATCH] lib/moviedecoder: replace avcodec_decode_video2() usage
+
+---
+ libffmpegthumbnailer/moviedecoder.cpp | 31 +++++++++++++++++++++------
+ 1 file changed, 24 insertions(+), 7 deletions(-)
+
+diff --git a/libffmpegthumbnailer/moviedecoder.cpp b/libffmpegthumbnailer/moviedecoder.cpp
+index da5f32a..f32577a 100644
+--- a/libffmpegthumbnailer/moviedecoder.cpp
++++ b/libffmpegthumbnailer/moviedecoder.cpp
+@@ -548,17 +548,33 @@ bool MovieDecoder::decodeVideoPacket()
+         return false;
+     }
+ 
+-    av_frame_unref(m_pFrame);
+-
+-    int frameFinished;
++    int rc = avcodec_send_packet(m_pVideoCodecContext, m_pPacket);
++    if(rc == AVERROR(EAGAIN))
++    {
++        rc = 0;
++    }
+ 
+-    int bytesDecoded = avcodec_decode_video2(m_pVideoCodecContext, m_pFrame, &frameFinished, m_pPacket);
+-    if (bytesDecoded < 0)
++    if(rc == AVERROR_EOF)
++    {
++        return false;
++    }
++    else if(rc < 0)
+     {
+-        throw logic_error("Failed to decode video frame: bytesDecoded < 0");
++        throw logic_error("Failed to decode video frame: avcodec_send_packet() < 0");
+     }
+ 
+-    return frameFinished > 0;
++    rc = avcodec_receive_frame(m_pVideoCodecContext, m_pFrame);
++    switch(rc)
++    {
++        case 0:
++            return true;
++
++        case AVERROR(EAGAIN):
++            return false;
++
++        default:
++            throw logic_error("Failed to decode video frame: avcodec_receive_frame() < 0");
++    }
+ }
+ 
+ bool MovieDecoder::getVideoPacket()
+@@ -574,6 +590,7 @@ bool MovieDecoder::getVideoPacket()
+ 
+     m_pPacket = new AVPacket();
+ 
++
+     while (framesAvailable && !frameDecoded)
+     {
+         framesAvailable = av_read_frame(m_pFormatContext, m_pPacket) >= 0;