Description: Make build against FFmegep v5.0
Forwarded: https://github.com/telegramdesktop/tdesktop/pull/24044
Bug-Debian: https://bugs.debian.org/1004767
Author: Nicholas Guriev <guriev-ns@ya.ru>
Last-Update: Wed, 09 Feb 2022 00:13:06 +0300

--- a/Telegram/SourceFiles/ffmpeg/ffmpeg_utility.cpp
+++ b/Telegram/SourceFiles/ffmpeg/ffmpeg_utility.cpp
@@ -154,7 +154,7 @@ void FormatDeleter::operator()(AVFormatC
 	}
 }
 
-AVCodec *FindDecoder(not_null<AVCodecContext*> context) {
+const AVCodec *FindDecoder(not_null<AVCodecContext*> context) {
 	// Force libvpx-vp9, because we need alpha channel support.
 	return (context->codec_id == AV_CODEC_ID_VP9)
 		? avcodec_find_decoder_by_name("libvpx-vp9")
--- a/Telegram/SourceFiles/ffmpeg/ffmpeg_utility.h
+++ b/Telegram/SourceFiles/ffmpeg/ffmpeg_utility.h
@@ -158,7 +158,7 @@ using SwscalePointer = std::unique_ptr<S
 void LogError(QLatin1String method);
 void LogError(QLatin1String method, FFmpeg::AvErrorWrap error);
 
-[[nodiscard]] AVCodec *FindDecoder(not_null<AVCodecContext*> context);
+[[nodiscard]] const AVCodec *FindDecoder(not_null<AVCodecContext*> context);
 [[nodiscard]] crl::time PtsToTime(int64_t pts, AVRational timeBase);
 // Used for full duration conversion.
 [[nodiscard]] crl::time PtsToTimeCeil(int64_t pts, AVRational timeBase);
--- a/Telegram/SourceFiles/media/audio/media_audio_capture.cpp
+++ b/Telegram/SourceFiles/media/audio/media_audio_capture.cpp
@@ -147,7 +147,7 @@ struct Instance::Inner::Private {
 	AVIOContext *ioContext = nullptr;
 	AVFormatContext *fmtContext = nullptr;
 	AVStream *stream = nullptr;
-	AVCodec *codec = nullptr;
+	const AVCodec *codec = nullptr;
 	AVCodecContext *codecContext = nullptr;
 	bool opened = false;
 	bool processing = false;
--- a/Telegram/SourceFiles/media/audio/media_audio_ffmpeg_loader.h
+++ b/Telegram/SourceFiles/media/audio/media_audio_ffmpeg_loader.h
@@ -60,6 +60,9 @@ protected:
 	uchar *ioBuffer = nullptr;
 	AVIOContext *ioContext = nullptr;
 	AVFormatContext *fmtContext = nullptr;
+#if LIBAVFORMAT_VERSION_MAJOR >= 59
+	const
+#endif
 	AVCodec *codec = nullptr;
 	int32 streamId = 0;
 
--- a/Telegram/SourceFiles/media/streaming/media_streaming_file.cpp
+++ b/Telegram/SourceFiles/media/streaming/media_streaming_file.cpp
@@ -23,8 +23,8 @@ constexpr auto kMaxQueuedPackets = 1024;
 		not_null<AVStream*> stream,
 		Mode mode) {
 	return (mode == Mode::Video || mode == Mode::Inspection)
-		&& stream->codec
-		&& (stream->codec->codec_id == AV_CODEC_ID_VP9)
+		&& stream->codecpar
+		&& (stream->codecpar->codec_id == AV_CODEC_ID_VP9)
 		&& format->iformat
 		&& format->iformat->name
 		&& QString::fromLatin1(
--- a/Telegram/ThirdParty/tgcalls/tgcalls/group/AudioStreamingPart.cpp
+++ b/Telegram/ThirdParty/tgcalls/tgcalls/group/AudioStreamingPart.cpp
@@ -170,6 +170,9 @@ public:
 
         _frame = av_frame_alloc();
 
+#if LIBAVFORMAT_VERSION_MAJOR >= 59
+        const
+#endif
         AVInputFormat *inputFormat = av_find_input_format("ogg");
         if (!inputFormat) {
             _didReadToEnd = true;
@@ -209,7 +212,7 @@ public:
             audioCodecParameters = inCodecpar;
             audioStream = inStream;
 
-            _durationInMilliseconds = (int)((inStream->duration + inStream->first_dts) * 1000 / 48000);
+            _durationInMilliseconds = (int)(inStream->duration * av_q2d(inStream->time_base) * 1000);
 
             if (inStream->metadata) {
                 AVDictionaryEntry *entry = av_dict_get(inStream->metadata, "TG_META", nullptr, 0);
@@ -255,7 +258,7 @@ public:
         }
 
         if (audioCodecParameters && audioStream) {
-            AVCodec *codec = avcodec_find_decoder(audioCodecParameters->codec_id);
+            const AVCodec *codec = avcodec_find_decoder(audioCodecParameters->codec_id);
             if (codec) {
                 _codecContext = avcodec_alloc_context3(codec);
                 ret = avcodec_parameters_to_context(_codecContext, audioCodecParameters);
--- a/Telegram/ThirdParty/tgcalls/tgcalls/group/VideoStreamingPart.cpp
+++ b/Telegram/ThirdParty/tgcalls/tgcalls/group/VideoStreamingPart.cpp
@@ -337,6 +337,9 @@ public:
 
         int ret = 0;
 
+#if LIBAVFORMAT_VERSION_MAJOR >= 59
+        const
+#endif
         AVInputFormat *inputFormat = av_find_input_format(container.c_str());
         if (!inputFormat) {
             _didReadToEnd = true;
@@ -380,7 +383,7 @@ public:
         }
 
         if (videoCodecParameters && videoStream) {
-            AVCodec *codec = avcodec_find_decoder(videoCodecParameters->codec_id);
+            const AVCodec *codec = avcodec_find_decoder(videoCodecParameters->codec_id);
             if (codec) {
                 _codecContext = avcodec_alloc_context3(codec);
                 ret = avcodec_parameters_to_context(_codecContext, videoCodecParameters);