--with-ffmpeg: deprecation warnings with libavcodec 7:5.1.4-0+deb12u1

[nigoroll]

Compiling audiowmark on Debian 12.4, I get deprecation warnings:

$ apt info libavcodec-dev
Package: libavcodec-dev
Version: 7:5.1.4-0+deb12u1
Priority: optional
Section: libdevel
Source: ffmpeg
...

$ ./configure --with-ffmpeg && make -j20
...
hlsoutputstream.cc: In member function ‘Error HLSOutputStream::add_stream(const AVCodec**, AVCodecID)’:
hlsoutputstream.cc:116:48: warning: ‘uint64_t av_get_channel_layout(const char*)’ is deprecated [-Wdeprecated-declarations]
  116 |   uint64_t want_layout = av_get_channel_layout (m_channel_layout.c_str());
      |                          ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/libavutil/frame.h:33,
                 from /usr/include/x86_64-linux-gnu/libavutil/hwcontext.h:23,
                 from /usr/include/x86_64-linux-gnu/libavcodec/codec.h:27,
                 from /usr/include/x86_64-linux-gnu/libavformat/avformat.h:313,
                 from hlsoutputstream.hh:27,
                 from hlsoutputstream.cc:18:
/usr/include/x86_64-linux-gnu/libavutil/channel_layout.h:408:10: note: declared here
  408 | uint64_t av_get_channel_layout(const char *name);
      |          ^~~~~~~~~~~~~~~~~~~~~
hlsoutputstream.cc:119:10: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  119 |   m_enc->channel_layout = want_layout;
      |          ^~~~~~~~~~~~~~
In file included from hlsoutputstream.hh:32:
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:119:10: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  119 |   m_enc->channel_layout = want_layout;
      |          ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:119:10: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  119 |   m_enc->channel_layout = want_layout;
      |          ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:120:17: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  120 |   if ((*codec)->channel_layouts)
      |                 ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:120:17: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  120 |   if ((*codec)->channel_layouts)
      |                 ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:120:17: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  120 |   if ((*codec)->channel_layouts)
      |                 ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:122:14: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  122 |       m_enc->channel_layout = (*codec)->channel_layouts[0];
      |              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:122:14: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  122 |       m_enc->channel_layout = (*codec)->channel_layouts[0];
      |              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:122:14: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  122 |       m_enc->channel_layout = (*codec)->channel_layouts[0];
      |              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:122:41: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  122 |       m_enc->channel_layout = (*codec)->channel_layouts[0];
      |                                         ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:122:41: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  122 |       m_enc->channel_layout = (*codec)->channel_layouts[0];
      |                                         ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:122:41: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  122 |       m_enc->channel_layout = (*codec)->channel_layouts[0];
      |                                         ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:123:33: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  123 |       for (int i = 0; (*codec)->channel_layouts[i]; i++)
      |                                 ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:123:33: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  123 |       for (int i = 0; (*codec)->channel_layouts[i]; i++)
      |                                 ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:123:33: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  123 |       for (int i = 0; (*codec)->channel_layouts[i]; i++)
      |                                 ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:125:25: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  125 |           if ((*codec)->channel_layouts[i] == want_layout)
      |                         ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:125:25: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  125 |           if ((*codec)->channel_layouts[i] == want_layout)
      |                         ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:125:25: warning: ‘AVCodec::channel_layouts’ is deprecated [-Wdeprecated-declarations]
  125 |           if ((*codec)->channel_layouts[i] == want_layout)
      |                         ^~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/codec.h:226:21: note: declared here
  226 |     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
      |                     ^~~~~~~~~~~~~~~
hlsoutputstream.cc:126:22: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  126 |               m_enc->channel_layout = want_layout;
      |                      ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:126:22: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  126 |               m_enc->channel_layout = want_layout;
      |                      ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:126:22: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  126 |               m_enc->channel_layout = want_layout;
      |                      ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:129:29: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  129 |   if (want_layout != m_enc->channel_layout)
      |                             ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:129:29: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  129 |   if (want_layout != m_enc->channel_layout)
      |                             ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:129:29: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  129 |   if (want_layout != m_enc->channel_layout)
      |                             ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:131:10: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |          ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:131:10: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |          ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:131:10: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |          ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:131:63: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |                                                               ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:131:63: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |                                                               ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:131:63: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |                                                               ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:131:55: warning: ‘int av_get_channel_layout_nb_channels(uint64_t)’ is deprecated [-Wdeprecated-declarations]
  131 |   m_enc->channels = av_get_channel_layout_nb_channels (m_enc->channel_layout);
      |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavutil/channel_layout.h:449:5: note: declared here
  449 | int av_get_channel_layout_nb_channels(uint64_t channel_layout);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hlsoutputstream.cc: In member function ‘AVFrame* HLSOutputStream::alloc_audio_frame(AVSampleFormat, uint64_t, int, int, Error&)’:
hlsoutputstream.cc:154:10: warning: ‘AVFrame::channel_layout’ is deprecated [-Wdeprecated-declarations]
  154 |   frame->channel_layout = channel_layout;
      |          ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavutil/frame.h:510:14: note: declared here
  510 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:154:10: warning: ‘AVFrame::channel_layout’ is deprecated [-Wdeprecated-declarations]
  154 |   frame->channel_layout = channel_layout;
      |          ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavutil/frame.h:510:14: note: declared here
  510 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:154:10: warning: ‘AVFrame::channel_layout’ is deprecated [-Wdeprecated-declarations]
  154 |   frame->channel_layout = channel_layout;
      |          ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavutil/frame.h:510:14: note: declared here
  510 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc: In member function ‘Error HLSOutputStream::open_audio(const AVCodec*, AVDictionary*)’:
hlsoutputstream.cc:192:62: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  192 |   m_frame     = alloc_audio_frame (m_enc->sample_fmt, m_enc->channel_layout, m_enc->sample_rate, nb_samples, err);
      |                                                              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:192:62: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  192 |   m_frame     = alloc_audio_frame (m_enc->sample_fmt, m_enc->channel_layout, m_enc->sample_rate, nb_samples, err);
      |                                                              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:192:62: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  192 |   m_frame     = alloc_audio_frame (m_enc->sample_fmt, m_enc->channel_layout, m_enc->sample_rate, nb_samples, err);
      |                                                              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:196:62: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  196 |   m_tmp_frame = alloc_audio_frame (AV_SAMPLE_FMT_FLT, m_enc->channel_layout, m_enc->sample_rate, nb_samples, err);
      |                                                              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:196:62: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  196 |   m_tmp_frame = alloc_audio_frame (AV_SAMPLE_FMT_FLT, m_enc->channel_layout, m_enc->sample_rate, nb_samples, err);
      |                                                              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:196:62: warning: ‘AVCodecContext::channel_layout’ is deprecated [-Wdeprecated-declarations]
  196 |   m_tmp_frame = alloc_audio_frame (AV_SAMPLE_FMT_FLT, m_enc->channel_layout, m_enc->sample_rate, nb_samples, err);
      |                                                              ^~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1060:14: note: declared here
 1060 |     uint64_t channel_layout;
      |              ^~~~~~~~~~~~~~
hlsoutputstream.cc:215:66: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  215 |   av_opt_set_int        (m_swr_ctx, "in_channel_count",   m_enc->channels,       0);
      |                                                                  ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:215:66: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  215 |   av_opt_set_int        (m_swr_ctx, "in_channel_count",   m_enc->channels,       0);
      |                                                                  ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:215:66: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  215 |   av_opt_set_int        (m_swr_ctx, "in_channel_count",   m_enc->channels,       0);
      |                                                                  ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:218:66: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  218 |   av_opt_set_int        (m_swr_ctx, "out_channel_count",  m_enc->channels,       0);
      |                                                                  ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:218:66: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  218 |   av_opt_set_int        (m_swr_ctx, "out_channel_count",  m_enc->channels,       0);
      |                                                                  ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
hlsoutputstream.cc:218:66: warning: ‘AVCodecContext::channels’ is deprecated [-Wdeprecated-declarations]
  218 |   av_opt_set_int        (m_swr_ctx, "out_channel_count",  m_enc->channels,       0);
      |                                                                  ^~~~~~~~
/usr/include/x86_64-linux-gnu/libavcodec/avcodec.h:1006:9: note: declared here
 1006 |     int channels;
      |         ^~~~~~~~
  CXX      testthreadpool.o
...

[swesterfeld]

I don't get these warnings on my development (Ubuntu 20.04) system, but I can reproduce them using docker. I'll look into it and see what I can do.

[tim-janik]

Ffmpeg-6 deprecated av_get_channel_layout() and related functions, ffmpeg-7 removed it.
Since Arch runs ffmpeg-7 which breaks the Audiowmark build, PR #68 ports audiowmark over to the ffmpeg-7 API, this should also get rid of the deprecation warnings in Debian.