k3b/k3b-21.12.2-ffmpeg-5.0.patch

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diff -up k3b-21.12.1/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp.omv~ k3b-21.12.1/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
--- k3b-21.12.1/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp.omv~ 2022-01-17 19:44:11.314744839 +0100
+++ k3b-21.12.1/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp 2022-01-17 19:55:07.045724184 +0100
@@ -38,7 +38,20 @@ extern "C" {
#include <math.h>
+#if LIBAVCODEC_VERSION_MAJOR < 59
#define FFMPEG_CODEC(s) (s->codec)
+#else
+static QMap<AVStream*,AVCodecContext*> k3b_codec_contexts;
+static inline AVCodecContext *FFMPEG_CODEC(AVStream *s) {
+ if(!k3b_codec_contexts.contains(s)) {
+ const AVCodec *codec = avcodec_find_decoder(s->codecpar->codec_id);
+ AVCodecContext *ctx = avcodec_alloc_context3(codec);
+ avcodec_parameters_to_context(ctx, s->codecpar);
+ k3b_codec_contexts.insert(s, ctx);
+ }
+ return k3b_codec_contexts.value(s);
+}
+#endif
#ifndef HAVE_FFMPEG_AVFORMAT_OPEN_INPUT
// this works because the parameters/options are not used
@@ -70,7 +83,7 @@ class K3bFFMpegFile::Private
{
public:
::AVFormatContext* formatContext;
- ::AVCodec* codec;
+ const ::AVCodec* codec;
::AVStream *audio_stream;
K3b::Msf length;
@@ -320,11 +333,28 @@ int K3bFFMpegFile::fillOutputBuffer()
}
int gotFrame = 0;
+#if LIBAVCODEC_VERSION_MAJOR < 59
int len = ::avcodec_decode_audio4(
FFMPEG_CODEC(d->audio_stream),
d->frame,
&gotFrame,
&d->packet );
+#else
+ int ret = ::avcodec_receive_frame(
+ FFMPEG_CODEC(d->audio_stream),
+ d->frame);
+
+ gotFrame = (ret == 0);
+
+ ret = avcodec_send_packet(
+ FFMPEG_CODEC(d->audio_stream),
+ &d->packet );
+ if (ret < 0) {
+ qDebug() << "(K3bFFMpegFile) decoding failed for " << m_filename;
+ return -1;
+ }
+ int len = d->packet.size;
+#endif
if( d->packetSize <= 0 || len < 0 )
::av_packet_unref( &d->packet );
@@ -393,7 +423,9 @@ bool K3bFFMpegFile::seek( const K3b::Msf
K3bFFMpegWrapper::K3bFFMpegWrapper()
{
+#if LIBAVCODEC_VERSION_MAJOR < 59
::av_register_all();
+#endif
}