commit:     a096ce621790b5bd832d267044e4b50119242a3a
Author:     Jason A. Donenfeld <zx2c4 <AT> gentoo <DOT> org>
AuthorDate: Tue Jun 13 14:29:20 2023 +0000
Commit:     Jason A. Donenfeld <zx2c4 <AT> gentoo <DOT> org>
CommitDate: Tue Jun 13 14:30:52 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a096ce62

media-libs/chromaprint: add 1.5.1-r3 for ffmpeg-5 support

Closes: https://bugs.gentoo.org/884393
Signed-off-by: Jason A. Donenfeld <zx2c4 <AT> gentoo.org>

 media-libs/chromaprint/chromaprint-1.5.1-r3.ebuild |  52 ++
 media-libs/chromaprint/files/ffmpeg-5.patch        | 580 +++++++++++++++++++++
 2 files changed, 632 insertions(+)

diff --git a/media-libs/chromaprint/chromaprint-1.5.1-r3.ebuild 
b/media-libs/chromaprint/chromaprint-1.5.1-r3.ebuild
new file mode 100644
index 000000000000..c18875469243
--- /dev/null
+++ b/media-libs/chromaprint/chromaprint-1.5.1-r3.ebuild
@@ -0,0 +1,52 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+GTEST_VERSION="1.10.0"
+GTEST_DIR_VERSION="1.10.x"
+inherit cmake-multilib
+
+DESCRIPTION="Library implementing a custom algorithm for extracting audio 
fingerprints"
+HOMEPAGE="https://acoustid.org/chromaprint";
+SRC_URI="https://github.com/acoustid/${PN}/releases/download/v${PV}/${P}.tar.gz
+       test? ( https://github.com/google/googletest/archive/v$(ver_cut 1-2 
${GTEST_VERSION}).x.tar.gz -> gtest-${GTEST_VERSION}.tar.gz )
+"
+
+LICENSE="LGPL-2.1"
+SLOT="0/1"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv 
~sparc ~x86"
+IUSE="test tools"
+RESTRICT="!test? ( test )"
+
+# - Default to fftw to avoid awkward circular dependency w/ ffmpeg
+# See bug #833821 for an example
+RDEPEND="tools? ( >=media-video/ffmpeg-5:=[${MULTILIB_USEDEP}] )
+       !tools? ( sci-libs/fftw:=[${MULTILIB_USEDEP}] )"
+DEPEND="${RDEPEND}
+       test? ( dev-cpp/gtest[${MULTILIB_USEDEP}] )"
+
+DOCS=( NEWS.txt README.md )
+PATCHES=( "${FILESDIR}"/ffmpeg-5.patch )
+
+multilib_src_configure() {
+       export 
GTEST_ROOT="${WORKDIR}/googletest-${GTEST_DIR_VERSION}/googletest/"
+
+       local mycmakeargs=(
+               -DBUILD_TESTS=$(usex test)
+
+               -DBUILD_TOOLS=$(multilib_native_usex tools)
+               -DFFT_LIB=$(usex tools 'avfft' 'fftw3')
+               $(multilib_native_usex tools '-DAUDIO_PROCESSOR_LIB=swresample' 
'')
+               # Automagicallyish looks for ffmpeg, but there's no point
+               # even doing the check unless we're building with tools
+               # (=> without fftw3, and with ffmpeg).
+               -DCMAKE_DISABLE_FIND_PACKAGE_FFmpeg=$(multilib_native_usex 
!tools)
+       )
+
+       cmake_src_configure
+}
+
+multilib_src_test() {
+       cd tests && (./all_tests || die "Tests failed")
+}

diff --git a/media-libs/chromaprint/files/ffmpeg-5.patch 
b/media-libs/chromaprint/files/ffmpeg-5.patch
new file mode 100644
index 000000000000..a88ce7204f73
--- /dev/null
+++ b/media-libs/chromaprint/files/ffmpeg-5.patch
@@ -0,0 +1,580 @@
+From 8ccad6937177b1b92e40ab8f4447ea27bac009a7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Lalinsk=C3=BD?= <lalin...@gmail.com>
+Date: Fri, 4 Nov 2022 21:47:38 +0100
+Subject: [PATCH] Use FFmpeg 5.x (#120)
+
+* Use FFmpeg 5.1.2 for CI builds
+
+* Build on Ubuntu 20.04
+
+* Upgrade code to FFmpeg 5.x APIs
+
+* Only set FFmpeg include dirs if building tools
+
+* No longer needed
+
+* Use ubuntu 20.04
+---
+ .github/workflows/build.yml                   |   6 +-
+ CMakeLists.txt                                |  16 --
+ src/audio/ffmpeg_audio_processor.h            |   2 -
+ src/audio/ffmpeg_audio_processor_avresample.h |  72 -------
+ src/audio/ffmpeg_audio_processor_swresample.h |  18 +-
+ src/audio/ffmpeg_audio_reader.h               | 197 +++++++++---------
+ tests/CMakeLists.txt                          |   6 +
+ 8 files changed, 122 insertions(+), 199 deletions(-)
+ delete mode 100644 src/audio/ffmpeg_audio_processor_avresample.h
+
+diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
+index 92761d9..baf67b7 100644
+--- a/.github/workflows/build.yml
++++ b/.github/workflows/build.yml
+@@ -6,7 +6,7 @@ on:
+ 
+ jobs:
+   test-linux:
+-    runs-on: ubuntu-18.04
++    runs-on: ubuntu-20.04
+     strategy:
+       matrix:
+         fft:
+@@ -50,7 +50,7 @@ jobs:
+         make check VERBOSE=1
+ 
+   package-linux:
+-    runs-on: ubuntu-18.04
++    runs-on: ubuntu-20.04
+     strategy:
+       matrix:
+         arch:
+@@ -71,7 +71,7 @@ jobs:
+         path: artifacts/
+ 
+   package-windows:
+-    runs-on: ubuntu-18.04
++    runs-on: ubuntu-20.04
+     strategy:
+       matrix:
+         arch:
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f8d6a32..4da2405 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -84,9 +84,6 @@ find_package(FFmpeg)
+ if(FFMPEG_LIBRARIES)
+       cmake_push_check_state(RESET)
+       set(CMAKE_REQUIRED_LIBRARIES ${FFMPEG_LIBRARIES} 
${CMAKE_THREAD_LIBS_INIT} -lm)
+-      check_function_exists(av_packet_unref HAVE_AV_PACKET_UNREF)
+-      check_function_exists(av_frame_alloc HAVE_AV_FRAME_ALLOC)
+-      check_function_exists(av_frame_free HAVE_AV_FRAME_FREE)
+       cmake_pop_check_state()
+ endif()
+ 
+@@ -163,14 +160,11 @@ message(STATUS "Using ${FFT_LIB} for FFT calculations")
+ if(NOT AUDIO_PROCESSOR_LIB)
+       if(FFMPEG_LIBSWRESAMPLE_FOUND)
+               set(AUDIO_PROCESSOR_LIB "swresample")
+-      elseif(FFMPEG_LIBAVRESAMPLE_FOUND)
+-              set(AUDIO_PROCESSOR_LIB "avresample")
+       endif()
+ endif()
+ 
+ if(AUDIO_PROCESSOR_LIB STREQUAL "swresample")
+       if(FFMPEG_LIBSWRESAMPLE_FOUND)
+-              set(USE_AVRESAMPLE OFF)
+               set(USE_SWRESAMPLE ON)
+               set(AUDIO_PROCESSOR_LIBRARIES ${FFMPEG_LIBSWRESAMPLE_LIBRARIES})
+               set(AUDIO_PROCESSOR_INCLUDE_DIRS 
${FFMPEG_LIBSWRESAMPLE_INCLUDE_DIRS})
+@@ -178,16 +172,6 @@ if(AUDIO_PROCESSOR_LIB STREQUAL "swresample")
+               message(FATAL_ERROR "Selected ${AUDIO_PROCESSOR_LIB} for audio 
processing, but the library is not found")
+       endif()
+       message(STATUS "Using ${AUDIO_PROCESSOR_LIB} for audio conversion")
+-elseif(AUDIO_PROCESSOR_LIB STREQUAL "avresample")
+-      if(FFMPEG_LIBAVRESAMPLE_FOUND)
+-              set(USE_AVRESAMPLE ON)
+-              set(USE_SWRESAMPLE OFF)
+-              set(AUDIO_PROCESSOR_LIBRARIES ${FFMPEG_LIBAVRESAMPLE_LIBRARIES})
+-              set(AUDIO_PROCESSOR_INCLUDE_DIRS 
${FFMPEG_LIBAVRESAMPLE_INCLUDE_DIRS})
+-      else()
+-              message(FATAL_ERROR "Selected ${AUDIO_PROCESSOR_LIB} for audio 
processing, but the library is not found")
+-      endif()
+-      message(STATUS "Using ${AUDIO_PROCESSOR_LIB} for audio conversion")
+ else()
+       message(STATUS "Building without audio conversion support, please 
install FFmpeg with libswresample")
+ endif()
+diff --git a/src/audio/ffmpeg_audio_processor.h 
b/src/audio/ffmpeg_audio_processor.h
+index 7628fc7..39f4f6d 100644
+--- a/src/audio/ffmpeg_audio_processor.h
++++ b/src/audio/ffmpeg_audio_processor.h
+@@ -10,8 +10,6 @@
+ 
+ #if defined(USE_SWRESAMPLE)
+ #include "audio/ffmpeg_audio_processor_swresample.h"
+-#elif defined(USE_AVRESAMPLE)
+-#include "audio/ffmpeg_audio_processor_avresample.h"
+ #else
+ #error "no audio processing library"
+ #endif
+diff --git a/src/audio/ffmpeg_audio_processor_avresample.h 
b/src/audio/ffmpeg_audio_processor_avresample.h
+deleted file mode 100644
+index bd85f92..0000000
+--- a/src/audio/ffmpeg_audio_processor_avresample.h
++++ /dev/null
+@@ -1,72 +0,0 @@
+-// Copyright (C) 2016  Lukas Lalinsky
+-// Distributed under the MIT license, see the LICENSE file for details.
+-
+-#ifndef CHROMAPRINT_AUDIO_FFMPEG_AUDIO_PROCESSOR_AVRESAMPLE_H_
+-#define CHROMAPRINT_AUDIO_FFMPEG_AUDIO_PROCESSOR_AVRESAMPLE_H_
+-
+-extern "C" {
+-#include <libavresample/avresample.h>
+-}
+-
+-namespace chromaprint {
+-
+-class FFmpegAudioProcessor {
+-public:
+-      FFmpegAudioProcessor() {
+-              m_resample_ctx = avresample_alloc_context();
+-      }
+-
+-      ~FFmpegAudioProcessor() {
+-              avresample_free(&m_resample_ctx);
+-      }
+-
+-      void SetCompatibleMode() {
+-              av_opt_set_int(m_resample_ctx, "filter_size", 16, 0);
+-              av_opt_set_int(m_resample_ctx, "phase_shift", 8, 0);
+-              av_opt_set_int(m_resample_ctx, "linear_interp", 1, 0);
+-              av_opt_set_double(m_resample_ctx, "cutoff", 0.8, 0);
+-      }
+-
+-      void SetInputChannelLayout(int64_t channel_layout) {
+-              av_opt_set_int(m_resample_ctx, "in_channel_layout", 
channel_layout, 0);
+-      }
+-
+-      void SetInputSampleFormat(AVSampleFormat sample_format) {
+-              av_opt_set_int(m_resample_ctx, "in_sample_fmt", sample_format, 
0);
+-      }
+-
+-      void SetInputSampleRate(int sample_rate) {
+-              av_opt_set_int(m_resample_ctx, "in_sample_rate", sample_rate, 
0);
+-      }
+-
+-      void SetOutputChannelLayout(int64_t channel_layout) {
+-              av_opt_set_int(m_resample_ctx, "out_channel_layout", 
channel_layout, 0);
+-      }
+-
+-      void SetOutputSampleFormat(AVSampleFormat sample_format) {
+-              av_opt_set_int(m_resample_ctx, "out_sample_fmt", sample_format, 
0);
+-      }
+-
+-      void SetOutputSampleRate(int sample_rate) {
+-              av_opt_set_int(m_resample_ctx, "out_sample_fmt", sample_rate, 
0);
+-      }
+-
+-      int Init() {
+-              return avresample_open(m_resample_ctx);
+-      }
+-
+-      int Convert(uint8_t **out, int out_count, const uint8_t **in, int 
in_count) {
+-              return avresample_convert(m_resample_ctx, out, 0, out_count, 
(uint8_t **) in, 0, in_count);
+-      }
+-
+-      int Flush(uint8_t **out, int out_count) {
+-              return avresample_read(m_resample_ctx, out, out_count);
+-      }
+-
+-private:
+-      AVAudioResampleContext *m_resample_ctx = nullptr;
+-};
+-
+-}; // namespace chromaprint
+-
+-#endif
+diff --git a/src/audio/ffmpeg_audio_processor_swresample.h 
b/src/audio/ffmpeg_audio_processor_swresample.h
+index b86266b..b1d4bea 100644
+--- a/src/audio/ffmpeg_audio_processor_swresample.h
++++ b/src/audio/ffmpeg_audio_processor_swresample.h
+@@ -28,30 +28,28 @@ class FFmpegAudioProcessor {
+               av_opt_set_double(m_swr_ctx, "cutoff", 0.8, 0);
+       }
+ 
+-      void SetInputChannelLayout(int64_t channel_layout) {
+-              av_opt_set_int(m_swr_ctx, "icl", channel_layout, 0);
+-              av_opt_set_int(m_swr_ctx, "ich", 
av_get_channel_layout_nb_channels(channel_layout), 0);
++      void SetInputChannelLayout(AVChannelLayout *channel_layout) {
++              av_opt_set_int(m_swr_ctx, "in_channel_layout", 
channel_layout->u.mask, 0);
+       }
+ 
+       void SetInputSampleFormat(AVSampleFormat sample_format) {
+-              av_opt_set_int(m_swr_ctx, "isf", sample_format, 0);
++              av_opt_set_sample_fmt(m_swr_ctx, "in_sample_fmt", 
sample_format, 0);
+       }
+ 
+       void SetInputSampleRate(int sample_rate) {
+-              av_opt_set_int(m_swr_ctx, "isr", sample_rate, 0);
++              av_opt_set_int(m_swr_ctx, "in_sample_rate", sample_rate, 0);
+       }
+ 
+-      void SetOutputChannelLayout(int64_t channel_layout) {
+-              av_opt_set_int(m_swr_ctx, "ocl", channel_layout, 0);
+-              av_opt_set_int(m_swr_ctx, "och", 
av_get_channel_layout_nb_channels(channel_layout), 0);
++      void SetOutputChannelLayout(AVChannelLayout *channel_layout) {
++              av_opt_set_int(m_swr_ctx, "out_channel_layout", 
channel_layout->u.mask, 0);
+       }
+ 
+       void SetOutputSampleFormat(AVSampleFormat sample_format) {
+-              av_opt_set_int(m_swr_ctx, "osf", sample_format, 0);
++              av_opt_set_sample_fmt(m_swr_ctx, "out_sample_fmt", 
sample_format, 0);
+       }
+ 
+       void SetOutputSampleRate(int sample_rate) {
+-              av_opt_set_int(m_swr_ctx, "osr", sample_rate, 0);
++              av_opt_set_int(m_swr_ctx, "out_sample_rate", sample_rate, 0);
+       }
+ 
+       int Init() {
+diff --git a/src/audio/ffmpeg_audio_reader.h b/src/audio/ffmpeg_audio_reader.h
+index 5550164..1c6b346 100644
+--- a/src/audio/ffmpeg_audio_reader.h
++++ b/src/audio/ffmpeg_audio_reader.h
+@@ -62,7 +62,7 @@ class FFmpegAudioReader {
+       bool Read(const int16_t **data, size_t *size);
+ 
+       bool IsOpen() const { return m_opened; }
+-      bool IsFinished() const { return m_finished && !m_got_frame; }
++      bool IsFinished() const { return !m_has_more_packets && 
!m_has_more_frames; }
+ 
+       std::string GetError() const { return m_error; }
+       int GetErrorCode() const { return m_error_code; }
+@@ -74,20 +74,19 @@ class FFmpegAudioReader {
+       uint8_t *m_convert_buffer[1] = { nullptr };
+       int m_convert_buffer_nb_samples = 0;
+ 
+-      AVInputFormat *m_input_fmt = nullptr;
++      const AVInputFormat *m_input_fmt = nullptr;
+       AVDictionary *m_input_opts = nullptr;
+ 
+       AVFormatContext *m_format_ctx = nullptr;
+       AVCodecContext *m_codec_ctx = nullptr;
+-      AVFrame *m_frame = nullptr;
+       int m_stream_index = -1;
+       std::string m_error;
+       int m_error_code = 0;
+-      bool m_finished = false;
+       bool m_opened = false;
+-      int m_got_frame = 0;
+-      AVPacket m_packet;
+-      AVPacket m_packet0;
++      bool m_has_more_packets = true;
++      bool m_has_more_frames = true;
++      AVPacket *m_packet = nullptr;
++      AVFrame *m_frame = nullptr;
+ 
+       int m_output_sample_rate = 0;
+       int m_output_channels = 0;
+@@ -98,19 +97,12 @@ class FFmpegAudioReader {
+ 
+ inline FFmpegAudioReader::FFmpegAudioReader() {
+       av_log_set_level(AV_LOG_QUIET);
+-
+-      av_init_packet(&m_packet);
+-      m_packet.data = nullptr;
+-      m_packet.size = 0;
+-
+-      m_packet0 = m_packet;
+ }
+ 
+ inline FFmpegAudioReader::~FFmpegAudioReader() {
+       Close();
+       av_dict_free(&m_input_opts);
+       av_freep(&m_convert_buffer[0]);
+-      av_packet_unref(&m_packet0);
+ }
+ 
+ inline bool FFmpegAudioReader::SetInputFormat(const char *name) {
+@@ -135,11 +127,10 @@ inline bool FFmpegAudioReader::Open(const std::string 
&file_name) {
+ 
+       Close();
+ 
+-    av_init_packet(&m_packet);
+-      m_packet.data = nullptr;
+-      m_packet.size = 0;
+-
+-      m_packet0 = m_packet;
++      m_packet = av_packet_alloc();
++      if (!m_packet) {
++              return false;
++      }
+ 
+       ret = avformat_open_input(&m_format_ctx, file_name.c_str(), 
m_input_fmt, &m_input_opts);
+       if (ret < 0) {
+@@ -153,26 +144,31 @@ inline bool FFmpegAudioReader::Open(const std::string 
&file_name) {
+               return false;
+       }
+ 
+-      AVCodec *codec;
++      const AVCodec *codec;
+       ret = av_find_best_stream(m_format_ctx, AVMEDIA_TYPE_AUDIO, -1, -1, 
&codec, 0);
+       if (ret < 0) {
+               SetError("Could not find any audio stream in the file", ret);
+               return false;
+       }
+       m_stream_index = ret;
++      auto stream = m_format_ctx->streams[m_stream_index];
+ 
+-      m_codec_ctx = m_format_ctx->streams[m_stream_index]->codec;
++      m_codec_ctx = avcodec_alloc_context3(codec);
+       m_codec_ctx->request_sample_fmt = AV_SAMPLE_FMT_S16;
+ 
++      ret = avcodec_parameters_to_context(m_codec_ctx, stream->codecpar);
++      if (ret < 0) {
++              SetError("Could not copy the stream parameters", ret);
++              return false;
++      }
++
+       ret = avcodec_open2(m_codec_ctx, codec, nullptr);
+       if (ret < 0) {
+               SetError("Could not open the codec", ret);
+               return false;
+       }
+ 
+-      if (!m_codec_ctx->channel_layout) {
+-              m_codec_ctx->channel_layout = 
av_get_default_channel_layout(m_codec_ctx->channels);
+-      }
++      av_dump_format(m_format_ctx, 0, "foo", 0);
+ 
+       m_frame = av_frame_alloc();
+       if (!m_frame) {
+@@ -183,19 +179,23 @@ inline bool FFmpegAudioReader::Open(const std::string 
&file_name) {
+               m_output_sample_rate = m_codec_ctx->sample_rate;
+       }
+ 
+-      if (!m_output_channels) {
+-              m_output_channels = m_codec_ctx->channels;
++      AVChannelLayout output_channel_layout;
++      if (m_output_channels) {
++              av_channel_layout_default(&output_channel_layout, 
m_output_channels);
++      } else {
++              m_output_channels = m_codec_ctx->ch_layout.nb_channels;
++              av_channel_layout_default(&output_channel_layout, 
m_output_channels);
+       }
+ 
+-      if (m_codec_ctx->sample_fmt != AV_SAMPLE_FMT_S16 || 
m_codec_ctx->channels != m_output_channels || m_codec_ctx->sample_rate != 
m_output_sample_rate) {
++      if (m_codec_ctx->sample_fmt != AV_SAMPLE_FMT_S16 || 
m_codec_ctx->ch_layout.nb_channels != m_output_channels || 
m_codec_ctx->sample_rate != m_output_sample_rate) {
+               m_converter.reset(new FFmpegAudioProcessor());
+               m_converter->SetCompatibleMode();
+               m_converter->SetInputSampleFormat(m_codec_ctx->sample_fmt);
+               m_converter->SetInputSampleRate(m_codec_ctx->sample_rate);
+-              m_converter->SetInputChannelLayout(m_codec_ctx->channel_layout);
++              m_converter->SetInputChannelLayout(&(m_codec_ctx->ch_layout));
+               m_converter->SetOutputSampleFormat(AV_SAMPLE_FMT_S16);
+               m_converter->SetOutputSampleRate(m_output_sample_rate);
+-              
m_converter->SetOutputChannelLayout(av_get_default_channel_layout(m_output_channels));
++              m_converter->SetOutputChannelLayout(&output_channel_layout);
+               auto ret = m_converter->Init();
+               if (ret != 0) {
+                       SetError("Could not create an audio converter 
instance", ret);
+@@ -203,10 +203,11 @@ inline bool FFmpegAudioReader::Open(const std::string 
&file_name) {
+               }
+       }
+ 
++      av_channel_layout_uninit(&output_channel_layout);
++
+       m_opened = true;
+-      m_finished = false;
+-      m_got_frame = 0;
+-      m_nb_packets = 0;
++      m_has_more_packets = true;
++      m_has_more_frames = true;
+       m_decode_error = 0;
+ 
+       return true;
+@@ -214,6 +215,7 @@ inline bool FFmpegAudioReader::Open(const std::string 
&file_name) {
+ 
+ inline void FFmpegAudioReader::Close() {
+       av_frame_free(&m_frame);
++      av_packet_free(&m_packet);
+ 
+       m_stream_index = -1;
+ 
+@@ -252,91 +254,98 @@ inline bool FFmpegAudioReader::Read(const int16_t 
**data, size_t *size) {
+               return false;
+       }
+ 
++      *data = nullptr;
++      *size = 0;
++
+       int ret;
++      bool needs_packet = false;
+       while (true) {
+-              while (m_packet.size <= 0) {
+-                      av_packet_unref(&m_packet0);
+-                      av_init_packet(&m_packet);
+-                      m_packet.data = nullptr;
+-                      m_packet.size = 0;
+-                      ret = av_read_frame(m_format_ctx, &m_packet);
++              while (needs_packet && m_packet->size == 0) {
++                      ret = av_read_frame(m_format_ctx, m_packet);
+                       if (ret < 0) {
+                               if (ret == AVERROR_EOF) {
+-                                      m_finished = true;
++                                      needs_packet = false;
++                                      m_has_more_packets = false;
+                                       break;
+-                              } else {
++                              }
++                              SetError("Error reading from the audio source", 
ret);
++                              return false;
++                      }
++                      if (m_packet->stream_index == m_stream_index) {
++                              needs_packet = false;
++                      } else {
++                              av_packet_unref(m_packet);
++                      }
++              }
++
++              if (m_packet->size != 0) {
++                      ret = avcodec_send_packet(m_codec_ctx, m_packet);
++                      if (ret < 0) {
++                              if (ret != AVERROR(EAGAIN)) {
+                                       SetError("Error reading from the audio 
source", ret);
+                                       return false;
+                               }
+-                      }
+-                      m_packet0 = m_packet;
+-                      if (m_packet.stream_index != m_stream_index) {
+-                              m_packet.data = nullptr;
+-                              m_packet.size = 0;
+                       } else {
+-                              m_nb_packets++;
++                              av_packet_unref(m_packet);
+                       }
+               }
+ 
+-              ret = avcodec_decode_audio4(m_codec_ctx, m_frame, &m_got_frame, 
&m_packet);
++              ret = avcodec_receive_frame(m_codec_ctx, m_frame);
+               if (ret < 0) {
+-                      if (m_decode_error) {
+-                              SetError("Error decoding audio frame", 
m_decode_error);
+-                              return false;
++                      if (ret == AVERROR_EOF) {
++                              m_has_more_frames = false;
++                      } else if (ret == AVERROR(EAGAIN)) {
++                              if (m_has_more_packets) {
++                                      needs_packet = true;
++                                      continue;
++                              } else {
++                                      m_has_more_frames = false;
++                              }
+                       }
+-                      m_decode_error = ret;
+-                      m_packet.data = nullptr;
+-                      m_packet.size = 0;
+-                      continue;
++                      SetError("Error decoding the audio source", ret);
++                      return false;
+               }
+ 
+-              break;
+-      }
+-
+-      m_decode_error = 0;
+-
+-      const int decoded = std::min(ret, m_packet.size);
+-      m_packet.data += decoded;
+-      m_packet.size -= decoded;
+-
+-      if (m_got_frame) {
+-              if (m_converter) {
+-                      if (m_frame->nb_samples > m_convert_buffer_nb_samples) {
+-                              int linsize;
+-                              av_freep(&m_convert_buffer[0]);
+-                              m_convert_buffer_nb_samples = std::max(1024 * 
8, m_frame->nb_samples);
+-                              ret = av_samples_alloc(m_convert_buffer, 
&linsize, m_codec_ctx->channels, m_convert_buffer_nb_samples, 
AV_SAMPLE_FMT_S16, 1);
+-                              if (ret < 0) {
+-                                      SetError("Couldn't allocate audio 
converter buffer", ret);
++              if (m_frame->nb_samples > 0) {
++                      if (m_converter) {
++                              if (m_frame->nb_samples > 
m_convert_buffer_nb_samples) {
++                                      int linsize;
++                                      av_freep(&m_convert_buffer[0]);
++                                      m_convert_buffer_nb_samples = 
std::max(1024 * 8, m_frame->nb_samples);
++                                      ret = 
av_samples_alloc(m_convert_buffer, &linsize, 
m_codec_ctx->ch_layout.nb_channels, m_convert_buffer_nb_samples, 
AV_SAMPLE_FMT_S16, 1);
++                                      if (ret < 0) {
++                                              SetError("Couldn't allocate 
audio converter buffer", ret);
++                                              return false;
++                                      }
++                              }
++                              auto nb_samples = 
m_converter->Convert(m_convert_buffer, m_convert_buffer_nb_samples, (const 
uint8_t **) m_frame->data, m_frame->nb_samples);
++                              if (nb_samples < 0) {
++                                      SetError("Couldn't convert audio", ret);
+                                       return false;
+                               }
+-                      }
+-                      auto nb_samples = 
m_converter->Convert(m_convert_buffer, m_convert_buffer_nb_samples, (const 
uint8_t **) m_frame->data, m_frame->nb_samples);
+-                      if (nb_samples < 0) {
+-                              SetError("Couldn't convert audio", ret);
+-                              return false;
+-                      }
+-                      *data = (const int16_t *) m_convert_buffer[0];
+-                      *size = nb_samples;
+-              } else {
+-                      *data = (const int16_t *) m_frame->data[0];
+-                      *size = m_frame->nb_samples;
+-              }
+-      } else {
+-              if (m_finished && m_converter) {
+-                      auto nb_samples = m_converter->Flush(m_convert_buffer, 
m_convert_buffer_nb_samples);
+-                      if (nb_samples < 0) {
+-                              SetError("Couldn't convert audio", ret);
+-                              return false;
+-                      } else if (nb_samples > 0) {
+-                              m_got_frame = 1;
+                               *data = (const int16_t *) m_convert_buffer[0];
+                               *size = nb_samples;
++                      } else {
++                              *data = (const int16_t *) m_frame->data[0];
++                              *size = m_frame->nb_samples;
++                      }
++              } else {
++                      if (m_converter) {
++                              if (IsFinished()) {
++                                      auto nb_samples = 
m_converter->Flush(m_convert_buffer, m_convert_buffer_nb_samples);
++                                      if (nb_samples < 0) {
++                                              SetError("Couldn't convert 
audio", ret);
++                                              return false;
++                                      } else if (nb_samples > 0) {
++                                              *data = (const int16_t *) 
m_convert_buffer[0];
++                                              *size = nb_samples;
++                                      }
++                              }
+                       }
+               }
+-      }
+ 
+-      return true;
++              return true;
++      }
+ }
+ 
+ inline void FFmpegAudioReader::SetError(const char *message, int errnum) {
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index a2b517b..123e643 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -38,6 +38,12 @@ set(SRCS
+ 
+ if(BUILD_TOOLS)
+       set(SRCS ${SRCS} ../src/audio/ffmpeg_audio_reader_test.cpp)
++    include_directories(
++        ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS}
++        ${FFMPEG_LIBAVCODEC_INCLUDE_DIRS}
++        ${FFMPEG_LIBAVUTIL_INCLUDE_DIRS}
++        ${AUDIO_PROCESSOR_INCLUDE_DIRS}
++    )
+       link_libraries(fpcalc_libs)
+ endif()
+ 

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