Snippets for vlc 3.0.23-2 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/7rkh447jcghdbf7jwzm852mimgqrvcdd-libvlc-3.0.23-2.drv.

• input/vlm.c:399:28: warning: variable 'nextschedule' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    399 |     time_t lastcheck, now, nextschedule = 0;
        |                            ^~~~~~~~~~~~
  

• input/vlm.c:405:16: warning: variable 'ppsz_scheduled_commands' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    405 |         char **ppsz_scheduled_commands = NULL;
        |                ^~~~~~~~~~~~~~~~~~~~~~~
  

• input/vlm.c:406:16: warning: variable 'i_scheduled_commands' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    406 |         int    i_scheduled_commands = 0;
        |                ^~~~~~~~~~~~~~~~~~~~
  

• input/vlm.c:407:14: warning: variable 'scheduled_command' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    407 |         bool scheduled_command = false;
        |              ^~~~~~~~~~~~~~~~~
  

• modules/cache.c:257:45: warning: 'calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args]
    257 |         plugin->conf.items = calloc(sizeof (module_config_t), lines);
        |                                             ^~~~~~~~~~~~~~~
  

• playlist/preparser.c:171:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
    171 |             if( !b_net || i_options & META_REQUEST_OPTION_SCOPE_NETWORK )
        |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• input/clock.c:539:2: warning: #warning "input_clock_SetJitter needs more work" [-Wcpp]
    539 | #warning "input_clock_SetJitter needs more work"
        |  ^~~~~~~
  

• input/es_out.h:95:9: warning: unused variable 'i_ret' [-Wunused-variable]
     95 |     int i_ret = es_out_Control( p_out, ES_OUT_SET_MODE, i_mode );
        |         ^~~~~
  

• input/es_out.h:101:9: warning: unused variable 'i_ret' [-Wunused-variable]
    101 |     int i_ret = es_out_Control( p_out, ES_OUT_GET_WAKE_UP, &i_wu );
        |         ^~~~~
  

• input/es_out.h:109:9: warning: unused variable 'i_ret' [-Wunused-variable]
    109 |     int i_ret = es_out_Control( p_out, ES_OUT_GET_BUFFERING, &b );
        |         ^~~~~
  

• input/es_out.h:117:9: warning: unused variable 'i_ret' [-Wunused-variable]
    117 |     int i_ret = es_out_Control( p_out, ES_OUT_GET_EMPTY, &b );
        |         ^~~~~
  

• input/es_out.h:124:9: warning: unused variable 'i_ret' [-Wunused-variable]
    124 |     int i_ret = es_out_Control( p_out, ES_OUT_SET_DELAY, i_cat, i_delay );
        |         ^~~~~
  

• input/es_out.h:149:9: warning: unused variable 'i_ret' [-Wunused-variable]
    149 |     int i_ret = es_out_Control( p_out, ES_OUT_SET_TIMES, f_position, i_time, i_length );
        |         ^~~~~
  

• input/es_out.h:155:9: warning: unused variable 'i_ret' [-Wunused-variable]
    155 |     int i_ret = es_out_Control( p_out, ES_OUT_SET_JITTER,
        |         ^~~~~
  

• input/es_out.h:167:9: warning: unused variable 'i_ret' [-Wunused-variable]
    167 |     int i_ret = es_out_Control( p_out, ES_OUT_GET_GROUP_FORCED, &i_group );
        |         ^~~~~
  

• input/es_out.h:173:9: warning: unused variable 'i_ret' [-Wunused-variable]
    173 |     int i_ret = es_out_Control( p_out, ES_OUT_SET_EOS );
        |         ^~~~~
  

• input/decoder.c:2379:5: warning: 'block_FifoSize' is deprecated [-Wdeprecated-declarations]
   2379 |     return block_FifoSize( p_owner->p_fifo );
        |     ^~~~~~
  

• input/decoder.c:1545:10: warning: variable 'paused' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
   1545 |     bool paused = false;
        |          ^~~~~~
  

• input/demux.c:112:19: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (9 chars into 8 available) [-Wunterminated-string-initialization]
    112 |         { "rm",   "avformat" },
        |                   ^~~~~~~~~~
  

• input/es_out.c:2790:20: warning: unused variable 'b_source_paused' [-Wunused-variable]
   2790 |         const bool b_source_paused = (bool)va_arg( args, int );
        |                    ^~~~~~~~~~~~~~~
  

• input/es_out.c:2802:19: warning: unused variable 'i_src_rate' [-Wunused-variable]
   2802 |         const int i_src_rate = va_arg( args, int );
        |                   ^~~~~~~~~~
  

• input/es_out.c:2813:26: warning: unused variable 'i_date' [-Wunused-variable]
   2813 |         const vlc_tick_t i_date = va_arg( args, vlc_tick_t );
        |                          ^~~~~~
  

• input/es_out_timeshift.c:933:51: warning: unused parameter 'b_source_paused' [-Wunused-parameter]
    933 | static int TsChangePause( ts_thread_t *p_ts, bool b_source_paused, bool b_paused, vlc_tick_t i_date )
        |                                              ~~~~~^~~~~~~~~~~~~~~
  

• input/es_out_timeshift.c:986:16: warning: variable 'i_buffering_date' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    986 |     vlc_tick_t i_buffering_date = -1;
        |                ^~~~~~~~~~~~~~~~
  

• audio_output/filters.c:49:58: warning: unused parameter 'const_fmt' [-Wunused-parameter]
     49 |                                config_chain_t *cfg, bool const_fmt)
        |                                                     ~~~~~^~~~~~~~~
  

• video_output/event.h:42:2: warning: #warning FIXME: implement video close event [-Wcpp]
     42 | #warning FIXME: implement video close event
        |  ^~~~~~~
  

• video_output/display.c:56:27: warning: unused variable 'fmt' [-Wunused-variable]
     56 |     const video_format_t *fmt = &filter->fmt_out.video;
        |                           ^~~
  

• video_output/display.c:103:5: warning: 'manage' is deprecated [-Wdeprecated-declarations]
    103 |     vd->manage = NULL;
        |     ^~
  

• video_output/display.c:151:5: warning: 'manage' is deprecated [-Wdeprecated-declarations]
    151 |     if (vd->manage)
        |     ^~
  

• video_output/display.c:152:9: warning: 'manage' is deprecated [-Wdeprecated-declarations]
    152 |         vd->manage(vd);
        |         ^~
  

• video_output/display.c:756:13: warning: 'VOUT_DISPLAY_HIDE_MOUSE' is deprecated [-Wdeprecated-declarations]
    756 |             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
        |             ^~~~~~~~~~~~~~~~~~~~
  

• video_output/display.c:1337:43: warning: unused parameter 'subpicture' [-Wunused-parameter]
   1337 |                             subpicture_t *subpicture)
        |                             ~~~~~~~~~~~~~~^~~~~~~~~~
  

• video_output/display.c:1358:43: warning: unused parameter 'subpicture' [-Wunused-parameter]
   1358 |                             subpicture_t *subpicture)
        |                             ~~~~~~~~~~~~~~^~~~~~~~~~
  

• video_output/display.c:1464:5: warning: 'manage' is deprecated [-Wdeprecated-declarations]
   1464 |     wrapper->manage  = SplitterManage;
        |     ^~~~~~~
  

• network/httpd.c:1702:14: warning: variable 'nfd' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
   1702 |     unsigned nfd;
        |              ^~~
  

• network/tls.c:146:16: warning: variable 'session' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    146 |     vlc_tls_t *session;
        |                ^~~~~~~
  

• misc/actions.c:352:7: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (27 chars into 26 available) [-Wunterminated-string-initialization]
    352 |     { "subtitle-text-scale-normal", ACTIONID_SUBTITLE_TEXT_SCALE_NORMAL, },
        |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/picture.c:300:15: warning: unused variable 'refs' [-Wunused-variable]
    300 |     uintptr_t refs = atomic_fetch_add( &priv->gc.refs, 1 );
        |               ^~~~
  

• misc/interrupt.c:353:9: warning: ignoring return value of 'read' declared with attribute 'warn_unused_result' [-Wunused-result]
    353 |         read(fd[0], &dummy, sizeof (dummy));
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/interrupt.c:294:5: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    294 |     write(fd[1], &value, sizeof (value));
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/picture_pool.c:169:28: warning: '<unknown>' may be used uninitialized [-Wmaybe-uninitialized]
    169 |     picture_pool_t *pool = picture_pool_New(count, picture);
        |                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/picture_pool.c:192:28: warning: '<unknown>' may be used uninitialized [-Wmaybe-uninitialized]
    192 |     picture_pool_t *pool = picture_pool_New(count, picture);
        |                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/variables.c:723:25: warning: unused parameter 'expected_type' [-Wunused-parameter]
    723 |                     int expected_type, vlc_value_t val )
        |                     ~~~~^~~~~~~~~~~~~
  

• misc/variables.c:782:25: warning: unused parameter 'expected_type' [-Wunused-parameter]
    782 |                     int expected_type, vlc_value_t *p_val )
        |                     ~~~~^~~~~~~~~~~~~
  

• stream_output/stream_output.c:493:6: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    493 |      && block_FifoCount( p_input->p_fifo ) > 0 )
        |      ^~
  

• ../include/vlc_arrays.h:93:13: warning: declaration of 'i_index' shadows a previous local [-Wshadow=compatible-local]
     93 |         int i_index;                            \
        |             ^~~~~~~
  

• stream_output/stream_output.c:574:9: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    574 |         if( block_FifoCount( p_input->p_fifo ) < i_blocks )
        |         ^~
  

• access/vcd/cdrom.c:869:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
    869 |                 if( strcasecmp( type, "BINARY" ) )
        |                   ^
  

• access/smb.c:165:5: warning: 'smbc_init' is deprecated [-Wdeprecated-declarations]
    165 |     if( smbc_init( smb_auth, 0 ) )
        |     ^~
  

• access/smb.c:374:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
    374 |             psz_name = NULL;
        |                      ^
  

• access/sftp.c:208:5: warning: 'libssh2_session_startup' is deprecated: since libssh2 1.2.8. Use libssh2_session_handshake() [-Wdeprecated-declarations]
    208 |     while( ( i_ret = libssh2_session_startup( p_sys->ssh_session, p_sys->i_socket ) )
        |     ^~~~~
  

• access/satip.c:173:13: warning: '__builtin_strncpy' specified bound depends on the length of the source argument [-Wstringop-truncation]
    173 |             strncpy(port, tok + 5, __MIN(strlen(tok + 5), 5));
        |             ^
  

• access/satip.c:167:13: warning: '__builtin_strncpy' specified bound depends on the length of the source argument [-Wstringop-truncation]
    167 |             strncpy(sys->udp_address, tok + 12, __MIN(strlen(tok + 12), UDP_ADDRESS_LEN - 1));
        |             ^
  

• access/satip.c:127:5: warning: '__builtin_strncpy' specified bound depends on the length of the source argument [-Wstringop-truncation]
    127 |     strncpy(session, tok, __MIN(strlen(tok), max - 1));
        |     ^
  

• ../include/vlc_threads.h:975:43: warning: variable '__cancel_routine' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    975 | # define vlc_cleanup_push( routine, arg ) pthread_cleanup_push (routine, arg)
        |                                           ^~~~~~~~~~~~~~~~~~~~
  

• access/srt.c:129:5: warning: 'srt_socket' is deprecated [-Wdeprecated-declarations]
    129 |     p_sys->sock = srt_socket( res->ai_family, SOCK_DGRAM, 0 );
        |     ^~~~~
  

• access/rist.c:322:23: warning: initializer-string for array of 'unsigned char' truncates NUL terminator but destination lacks 'nonstring' attribute (5 chars into 4 available) [-Wunterminated-string-initialization]
    322 |     uint8_t name[4] = "RIST";
        |                       ^~~~~~
  

• audio_output/pulse.c:174:60: warning: unused parameter 'aout' [-Wunused-parameter]
    174 | static void stream_start_now(pa_stream *s, audio_output_t *aout)
        |                                            ~~~~~~~~~~~~~~~~^~~~
  

• ../include/vlc_threads.h:859:14: warning: call to 'harmful_delay' declared with attribute warning: use proper event handling instead of short delay [-Wattribute-warning]
    859 |            ? harmful_delay(d) \
        |              ^~~~~~~~~~~~~~~~
  

• codec/fluidsynth.c:164:5: warning: 'fluid_synth_set_chorus_on' is deprecated [-Wdeprecated-declarations]
    164 |     fluid_synth_set_chorus_on (p_sys->synth,
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~
  

• codec/fluidsynth.c:170:5: warning: 'fluid_synth_set_reverb_on' is deprecated [-Wdeprecated-declarations]
    170 |     fluid_synth_set_reverb_on (p_sys->synth,
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~
  

• codec/fluidsynth.c:175:5: warning: 'fluid_synth_set_sample_rate' is deprecated [-Wdeprecated-declarations]
    175 |     fluid_synth_set_sample_rate (p_sys->synth, p_dec->fmt_out.audio.i_rate);
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• codec/jpeg.c:472:16: warning: variable 'p_row_pointers' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    472 |     JSAMPARRAY p_row_pointers = NULL;
        |                ^~~~~~~~~~~~~~
  

• codec/svg.c:148:5: warning: 'rsvg_handle_get_dimensions' is deprecated: Use 'rsvg_handle_get_intrinsic_size_in_pixels' instead [-Wdeprecated-declarations]
    148 |     rsvg_handle_get_dimensions( rsvg, &dim );
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
  

• codec/svg.c:240:5: warning: 'rsvg_handle_render_cairo' is deprecated: Use 'rsvg_handle_render_document' instead [-Wdeprecated-declarations]
    240 |     if( !rsvg_handle_render_cairo( rsvg, cr ) )
        |     ^~
  

• codec/libass.c:451:9: warning: 'ass_set_aspect_ratio' is deprecated: use 'ass_set_pixel_aspect' instead [-Wdeprecated-declarations]
    451 |         ass_set_aspect_ratio( p_sys->p_renderer, dst_ratio / src_ratio, 1 );
        |         ^~~~~~~~~~~~~~~~~~~~
  

• codec/subsdec.c:901:23: warning: declaration of 'psz_tagname' shadows a previous local [-Wshadow=compatible-local]
    901 |                 char* psz_tagname = GetTag( &psz_subtitle, true );
        |                       ^~~~~~~~~~~
  

• demux/webvtt.c:348:79: warning: unused parameter 'i_end' [-Wunused-parameter]
    348 | static block_t *demux_Range( demux_t *p_demux, vlc_tick_t i_start, vlc_tick_t i_end )
        |                                                                    ~~~~~~~~~~~^~~~~
  

• codec/telx.c:635:17: warning: '__builtin_strncpy' output may be truncated copying 127 bytes from a string of length 255 [-Wstringop-truncation]
    635 |                 strncpy( p_sys->ppsz_lines[0], psz_line,
        |                 ^
  

• codec/telx.c:589:17: warning: '__builtin_strncpy' output may be truncated copying 127 bytes from a string of length 255 [-Wstringop-truncation]
    589 |                 strncpy( p_sys->ppsz_lines[row], t,
        |                 ^
  

• codec/telx.c:556:17: warning: '__builtin_strncpy' output may be truncated copying 127 bytes from a string of length 255 [-Wstringop-truncation]
    556 |                 strncpy( p_sys->ppsz_lines[row], psz_line,
        |                 ^
  

• codec/flac.c:352:41: warning: declaration of 'i' shadows a previous local [-Wshadow=local]
    352 |                             for( size_t i=0; i<MAPPED_WFX_CHANNELS; i++ )
        |                                         ^
  

• codec/flac.c:372:39: warning: declaration of 'i' shadows a previous local [-Wshadow=compatible-local]
    372 |                         for( unsigned i=0; i<i_wfxchannels; i++ )
        |                                       ^
  

• codec/kate.c:56:13: warning: declaration of 'i_ret' shadows a previous local [-Wshadow=compatible-local]
     56 |         int i_ret = (statement);                                       \
        |             ^~~~~
  

• ../include/vlc_messages.h:78:5: warning: this statement may fall through [-Wimplicit-fallthrough=]
     78 |     vlc_Log(VLC_OBJECT(o), p, vlc_module_name, __FILE__, __LINE__, \
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     79 |             __func__, __VA_ARGS__)
        |             ~~~~~~~~~~~~~~~~~~~~~~
  

• codec/oggspots.c:273:15: warning: declaration of 'p_extra' shadows a previous local [-Wshadow=local]
    273 |         void* p_extra = realloc(p_dec->fmt_out.p_extra,
        |               ^~~~~~~
  

• codec/oggspots.c:394:5: warning: ignoring return value of 'decoder_UpdateVideoFormat' declared with attribute 'warn_unused_result' [-Wunused-result]
    394 |     decoder_UpdateVideoFormat(p_dec);
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• codec/avcodec/video.c:759:35: warning: unused parameter 'obj' [-Wunused-parameter]
    759 | int InitVideoHwDec( vlc_object_t *obj )
        |                     ~~~~~~~~~~~~~~^~~
  

• codec/avcodec/video.c:700:12: warning: 'ExtractAV1Profile' defined but not used [-Wunused-function]
    700 | static int ExtractAV1Profile(AVCodecContext *p_context, const es_format_t *fmt_in, decoder_sys_t *p_sys)
        |            ^~~~~~~~~~~~~~~~~
  

• ../include/vlc_bits.h:202:13: warning: '*p_buffer' may be used uninitialized [-Wmaybe-uninitialized]
    202 |             *s->p |= 1 << ( s->i_left - 1 );
        |             ^~~~~
  

• codec/avcodec/vaapi.c:45:5: warning: 'FF_API_STRUCT_VAAPI_CONTEXT' is not defined, evaluates to '0' [-Wundef]
     45 | #if FF_API_STRUCT_VAAPI_CONTEXT
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• codec/avcodec/vaapi.c:74:65: warning: unused parameter 'fmt' [-Wunused-parameter]
     74 | static int GetVaProfile(AVCodecContext *ctx, const es_format_t *fmt,
        |                                              ~~~~~~~~~~~~~~~~~~~^~~
  

• demux/../packetizer/flac.h:249:57: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    249 |     if (!stream_info || stream_info->total_samples != 0 && i_fsnumber > stream_info->total_samples)
        |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/flac.c:231:17: warning: unused variable 'i_ret' [-Wunused-variable]
    231 |             int i_ret = FLAC_ParseSyncInfo( p_block->p_buffer, p_block->i_buffer,
        |                 ^~~~~
  

• demux/oggseek.c:961:13: warning: variable 'i_pagepos' set but not used [-Wunused-but-set-variable]
    961 |     int64_t i_pagepos;
        |             ^~~~~~~~~
  

• demux/oggseek.c:310:5: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
    310 |     vlc_stream_Seek( p_demux->s, i_backup_pos );
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/oggseek.c:1082:9: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1082 |         vlc_stream_Seek( p_demux->s, i_in_pos );
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/oggseek.c:1091:9: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1091 |         vlc_stream_Seek( p_demux->s, i_in_pos );
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/pva.c:409:44: warning: 'hdr' may be used uninitialized [-Wmaybe-uninitialized]
    409 |                   hdr[0], hdr[1],hdr[2],hdr[3] );
        |                                         ~~~^~~
  

• demux/pva.c:409:37: warning: 'hdr' may be used uninitialized [-Wmaybe-uninitialized]
    409 |                   hdr[0], hdr[1],hdr[2],hdr[3] );
        |                                  ~~~^~~
  

• demux/pva.c:409:30: warning: 'hdr' may be used uninitialized [-Wmaybe-uninitialized]
    409 |                   hdr[0], hdr[1],hdr[2],hdr[3] );
        |                           ~~~^~~
  

• demux/pva.c:409:22: warning: 'hdr' may be used uninitialized [-Wmaybe-uninitialized]
    409 |                   hdr[0], hdr[1],hdr[2],hdr[3] );
        |                   ~~~^~~
  

• demux/nuv.c:531:52: warning: comparison of integer expressions of different signedness: 'uint64_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    531 |             else if( vlc_stream_Tell( p_demux->s ) > p_sys->i_first_frame_offset )
        |                                                    ^
  

• demux/nuv.c:569:19: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'uint64_t' {aka 'long unsigned int'} [-Wsign-compare]
    569 |         if( i_pos > vlc_stream_Tell( p_demux->s ) )
        |                   ^
  

• demux/nuv.c:762:9: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
    762 |         vlc_stream_Seek( p_demux->s, i_original_pos );
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/dmxmus.c:255:19: warning: 'buf[1]' may be used uninitialized [-Wmaybe-uninitialized]
    255 |     unsigned char buf[3];
        |                   ^~~
  

• demux/dmxmus.c:190:9: warning: 'buf[2]' may be used uninitialized [-Wmaybe-uninitialized]
    190 |     val &= 0x7f;
        |     ~~~~^~~~~~~
  

• demux/image.c:575:5: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
    575 |     vlc_stream_Seek(s, position);
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/image.c:440:5: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
    440 |     vlc_stream_Seek(s, 20);
        |     ^~~~~~~~~~~~~~~~~~~~~~
  

• demux/mpeg/es.c:440:21: warning: declaration of 'i_ret' shadows a previous local [-Wshadow=compatible-local]
    440 |                 int i_ret = vlc_stream_Seek( p_demux->s, p_sys->i_stream_offset + i_pos );
        |                     ^~~~~
  

• demux/mpeg/es.c:502:51: warning: passing argument 2 to 'restrict'-qualified parameter aliases with argument 1 [-Wrestrict]
    502 |             swab( p_block_in->p_buffer, p_block_in->p_buffer, p_block_in->i_buffer );
        |                   ~~~~~~~~~~~~~~~~~~~~  ~~~~~~~~~~^~~~~~~~~~
  

• demux/mpeg/es.c:624:18: warning: declaration of 'i_len' shadows a previous local [-Wshadow=compatible-local]
    624 |         uint32_t i_len = GetDWLE( p_peek + i_peek - 4 );
        |                  ^~~~~
  

• demux/mpeg/es.c:436:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
    436 |             if( p_sys->mllt.p_bits )
        |               ^
  

• demux/mp4/mp4.c:1547:18: warning: unused variable 'p_sys' [-Wunused-variable]
   1547 |     demux_sys_t *p_sys = p_demux->p_sys;
        |                  ^~~~~
  

• demux/mp4/mp4.c:3168:32: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare]
   3168 |     for( i_index = 0;  i_index < p_track->chunk[i_chunk].i_entries_dts &&
        |                                ^
  

• demux/mp4/mp4.c:4058:29: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare]
   4058 |             if( i_elst_last < elst->i_entry_count &&
        |                             ^
  

• demux/mp4/libmp4.c:1567:12: warning: 'MP4_ReadBox_LtdContainer' reading 2 bytes from a region of size 1 [-Wstringop-overread]
   1567 |     return MP4_ReadBox_LtdContainer( p_stream, p_box, versions, 1 );
        |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/mp4/mpeg4.h:30:52: warning: unused parameter 'pi_profile' [-Wunused-parameter]
     30 |                                               int *pi_profile)
        |                                               ~~~~~^~~~~~~~~~
  

• ../include/vlc_fixups.h:373:27: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (26 chars into 25 available) [-Wunterminated-string-initialization]
    373 | #define gettext_noop(str) (str)
        |                           ^
  

• demux/mpeg/ts.c:1998:9: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1998 |         vlc_stream_Seek( p_sys->stream, i_initial_pos );
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/mpeg/mpeg4_iod.c:502:14: warning: 'ods[0]' may be used uninitialized [-Wmaybe-uninitialized]
    502 |     if( p_iod->psz_url )
        |         ~~~~~^~~~~~~~~
  

• demux/mpeg/ts_pes.c:74:65: warning: unused parameter 'i_buf' [-Wunused-parameter]
     74 | static bool MayHaveStartCodeOnEnd( const uint8_t *p_buf, size_t i_buf )
        |                                                          ~~~~~~~^~~~~
  

• demux/adaptive/logic/../tools/MovingAverage.hpp:32:33: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor]
     32 |             MovingAverageSum<T>(T i): sum(0), prev(i) { }
        |                                 ^
  

• misc/webservices/json.c:134:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
    134 |             value->_reserved.object_mem = (*(char **) &value->u.object.values) + values_size;
        |                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/webservices/json.c:343:27: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
    343 |                         (*(json_char **) &top->u.object.values) += string_length + 1;
        |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• misc/gnutls.c:623:71: warning: unused parameter 'hostname' [-Wunused-parameter]
    623 |                                            vlc_tls_t *sk, const char *hostname,
        |                                                           ~~~~~~~~~~~~^~~~~~~~
  

• misc/rtsp.c:239:33: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (17 chars into 16 available) [-Wunterminated-string-initialization]
    239 |     static const char hex[16] = "0123456789abcdef";
        |                                 ^~~~~~~~~~~~~~~~~~
  

• misc/rtsp.c:326:5: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    326 |     while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
        |     ^~~~~
  

• misc/rtsp.c:969:32: warning: declaration of 'p_rtsp' shadows a previous local [-Wshadow=compatible-local]
    969 |                 rtsp_client_t *p_rtsp = NULL;
        |                                ^~~~~~
  

• misc/rtsp.c:1004:2: warning: #warning Should use secure randomness here! (spoofing risk) [-Wcpp]
   1004 | #warning Should use secure randomness here! (spoofing risk)
        |  ^~~~~~~
  

• misc/rtsp.c:1301:32: warning: declaration of 'p_rtsp' shadows a previous local [-Wshadow=compatible-local]
   1301 |                 rtsp_client_t *p_rtsp = NULL;
        |                                ^~~~~~
  

• misc/rtsp.c:1330:2: warning: #warning Session ID should be securely random (spoofing risk) [-Wcpp]
   1330 | #warning Session ID should be securely random (spoofing risk)
        |  ^~~~~~~
  

• mux/mp4/mp4.c:650:13: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    650 |             if (block_FifoCount(p_input->p_fifo) > 0) {
        |             ^~
  

• mux/mpjpeg.c:153:5: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    153 |     while( block_FifoCount( p_fifo ) > 0 )
        |     ^~~~~
  

• mux/wav.c:285:5: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    285 |     while( block_FifoCount( p_input->p_fifo ) > 0 )
        |     ^~~~~
  

• mux/ogg.c:570:13: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    570 |             while( block_FifoCount( p_input->p_fifo ) )
        |             ^~~~~
  

• mux/ogg.c:1125:27: warning: declaration of 'p_stream' shadows a previous local [-Wshadow=compatible-local]
   1125 |             ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
        |                           ^~~~~~~~
  

• mux/ogg.c:1154:23: warning: declaration of 'p_stream' shadows a previous local [-Wshadow=compatible-local]
   1154 |         ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
        |                       ^~~~~~~~
  

• mux/ogg.c:1187:23: warning: declaration of 'p_stream' shadows a previous local [-Wshadow=compatible-local]
   1187 |         ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
        |                       ^~~~~~~~
  

• mux/ogg.c:506:13: warning: '__builtin_strncpy' output may be truncated copying 4 bytes from a string of length 4 [-Wstringop-truncation]
    506 |             strncpy( p_stream->p_oggds_header->sub_type, buf, 4 );
        |             ^
  

• mux/mpeg/bits.h:70:48: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
     70 |             p_buffer->p_data[p_buffer->i_data] |= p_buffer->i_mask;
        |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
  

• mux/mpeg/bits.h:74:48: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
     74 |             p_buffer->p_data[p_buffer->i_data] &= ~p_buffer->i_mask;
        |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
  

• mux/mpeg/ts.c:1071:9: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
   1071 |         block_FifoCount( p_input->p_fifo ) > 0 )
        |         ^~~~~~~~~~~~~~~
  

• mux/mpeg/ts.c:1235:9: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
   1235 |         if( block_FifoCount( p_input->p_fifo ) <= 1 )
        |         ^~
  

• mux/mpeg/ts.c:1243:13: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
   1243 |             else if( block_FifoCount( p_input->p_fifo ) <= 0 )
        |             ^~~~
  

• mux/mpeg/ts.c:1306:21: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
   1306 |                     block_FifoCount( p_mux->pp_inputs[j]->p_fifo) > 0 )
        |                     ^~~~~~~~~~~~~~~
  

• packetizer/av1.c:93:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     93 |     if(p_sys->tu.dts == VLC_TICK_INVALID)\
        |     ^~
  

• packetizer/hxxx_sei.c:57:32: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
     57 |     if (bs_remain(&s_ep3b) / 8 > sizeof(buf))
        |                                ^
  

• packetizer/hxxx_sei.c:186:30: warning: declaration of 'i' shadows a previous local [-Wshadow=local]
    186 |                 for ( size_t i = 0; i < 6 ; ++i)
        |                              ^
  

• packetizer/hxxx_sei.c:188:30: warning: declaration of 'i' shadows a previous local [-Wshadow=local]
    188 |                 for ( size_t i = 0; i < 2 ; ++i)
        |                              ^
  

• packetizer/flac.h:249:57: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    249 |     if (!stream_info || stream_info->total_samples != 0 && i_fsnumber > stream_info->total_samples)
        |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• stream_out/rtpfmt.c:159:33: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (17 chars into 16 available) [-Wunterminated-string-initialization]
    159 |     static const char hex[16] = "0123456789abcdef";
        |                                 ^~~~~~~~~~~~~~~~~~
  

• stream_out/rtpfmt.c:996:23: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
    996 |         bool last = i == (frag_count - 1);
        |                       ^~
  

• stream_out/rtp.c:1812:9: warning: unused variable 'ret' [-Wunused-variable]
   1812 |     int ret = sscanf( id->rtp_fmt.fmtp, "%*s width=%d; height=%d; ", width, height );
        |         ^~~
  

• stream_out/rtpfmt.c:1965:5: warning: 'y_sampling_factor' may be used uninitialized [-Wmaybe-uninitialized]
   1965 |     switch (y_sampling_factor)
        |     ^~~~~~
  

• stream_out/rtp.c:1568:5: warning: '__builtin_strncpy' specified bound 8 equals destination size [-Wstringop-truncation]
   1568 |     strncpy((char *)&i_ts_init, psz_vod_session, sizeof(uint64_t));
        |     ^
  

• stream_out/rtp.c:1568:5: warning: '__builtin_strncpy' specified bound 8 equals destination size [-Wstringop-truncation]
  

• stream_out/rtsp.c:1152:29: warning: declaration of 'ses' shadows a previous local [-Wshadow=compatible-local]
   1152 |             rtsp_session_t *ses;
        |                             ^~~
  

• stream_out/vod.c:188:5: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    188 |     while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
        |     ^~~~~
  

• stream_out/chromecast/chromecast_ctrl.cpp:1039:23: warning: ignoring return value of 'bool google::protobuf::MessageLite::ParseFromArray(const void*, int)', declared with attribute 'nodiscard' [-Wunused-result]
   1039 |     msg.ParseFromArray(p_packet + PACKET_HEADER_LEN, i_payloadSize);
        |     ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• stream_out/chromecast/chromecast_ctrl.cpp:770:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
    770 |             if ( p_app == NULL )
        |             ^~
  

• stream_out/chromecast/chromecast_communication.cpp:440:30: warning: 'int google::protobuf::MessageLite::ByteSize() const' is deprecated: Please use ByteSizeLong() instead [-Wdeprecated-declarations]
    440 |     int i_size = msg.ByteSize();
        |                  ~~~~~~~~~~~~^~
  

• stream_out/chromecast/chromecast_communication.cpp:450:40: warning: ignoring return value of 'uint8_t* google::protobuf::MessageLite::SerializeWithCachedSizesToArray(uint8_t*) const', declared with attribute 'nodiscard' [-Wunused-result]
    450 |     msg.SerializeWithCachedSizesToArray(p_data + PACKET_HEADER_LEN);
        |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• spu/remoteosd.c:363:5: warning: '__builtin_strncpy' output truncated before terminating nul copying 12 bytes from a string of the same length [-Wstringop-truncation]
    363 |     strncpy(pv, "RFB 003.003\n", sz_rfbProtocolVersionMsg);
        |     ^
  

• text_renderer/svg.c:246:5: warning: 'rsvg_handle_get_dimensions' is deprecated: Use 'rsvg_handle_get_intrinsic_size_in_pixels' instead [-Wdeprecated-declarations]
    246 |     rsvg_handle_get_dimensions( p_handle, &dim );
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
  

• text_renderer/svg.c:292:5: warning: 'rsvg_handle_render_cairo' is deprecated: Use 'rsvg_handle_render_document' instead [-Wdeprecated-declarations]
    292 |     if( ! rsvg_handle_render_cairo( p_handle, cr ) )
        |     ^~
  

• /nix/store/m300ngckdmal8wnl3bjbpwca3a5bn74c-glibc-2.42-67-dev/include/bits/string_fortified.h:29:10: warning: '__builtin_memcpy' specified bound between 18446744071562067968 and 18446744071562067969 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
     29 |   return __builtin___memcpy_chk (__dest, __src, __len,
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     30 |                                  __glibc_objsize0 (__dest));
        |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /nix/store/m300ngckdmal8wnl3bjbpwca3a5bn74c-glibc-2.42-67-dev/include/bits/string_fortified.h:29:10: warning: '__builtin_memcpy' specified bound between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
     29 |   return __builtin___memcpy_chk (__dest, __src, __len,
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     30 |                                  __glibc_objsize0 (__dest));
        |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• video_filter/deinterlace/yadif.h:88:13: warning: declaration of 'score' shadows a previous local [-Wshadow=compatible-local]
     88 |     {   int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
        |             ^~~~~
  

• video_filter/deinterlace/algo_phosphor.c:132:17: warning: declaration of 'w' shadows a previous local [-Wshadow=compatible-local]
    132 |             int w = p_dst->p[i_plane].i_visible_pitch;
        |                 ^
  

• video_filter/deinterlace/algo_phosphor.c:215:17: warning: declaration of 'w' shadows a previous local [-Wshadow=compatible-local]
    215 |             int w = p_dst->p[i_plane].i_visible_pitch;
        |                 ^
  

• video_filter/deinterlace/algo_phosphor.c:216:17: warning: declaration of 'wm8' shadows a previous local [-Wshadow=compatible-local]
    216 |             int wm8 = w % 8;   /* remainder */
        |                 ^~~
  

• video_filter/deinterlace/algo_phosphor.c:217:17: warning: declaration of 'w8' shadows a previous local [-Wshadow=compatible-local]
    217 |             int w8  = w - wm8; /* part of width that is divisible by 8 */
        |                 ^~
  

• video_output/opengl/converter_vaapi.c:113:19: warning: unused variable 'o' [-Wunused-variable]
    113 |     vlc_object_t *o = VLC_OBJECT(tc->gl);
        |                   ^
  

• video_output/caca.c:200:5: warning: 'manage' is deprecated [-Wdeprecated-declarations]
    200 |     vd->manage  = Manage;
        |     ^~
  

• video_output/caca.c:319:5: warning: 'VOUT_DISPLAY_HIDE_MOUSE' is deprecated [-Wdeprecated-declarations]
    319 |     case VOUT_DISPLAY_HIDE_MOUSE:
        |     ^~~~
  

• video_output/vdummy.c:151:54: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
    151 |          (picture->p->i_pitch * picture->p->i_lines) >= sizeof(vlc_tick_t) ) {
        |                                                      ^~
  

• access/linsys/linsys_hdsdi.c:268:5: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
    268 |     write( p_sys->evfd, &(uint64_t){ 1 }, sizeof (uint64_t));
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• access/dtv/linux.c:606:25: warning: 'systems' may be used uninitialized [-Wmaybe-uninitialized]
    606 |                 systems |= systems << 1; /* DVB_foo -> DVB_foo|DVB_foo2 */
        |                 ~~~~~~~~^~~~~~~~~~~~~~~
  

• ../include/vlc_threads.h:878:19: warning: call to 'harmful_delay' declared with attribute warning: use proper event handling instead of short delay [-Wattribute-warning]
    878 | #define msleep(d) msleep(check_delay(d))
        |                   ^~~~~~~~~~~~~~~~~~~~~~
  

• access_output/udp.c:360:5: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    360 |     while ( block_FifoCount( p_sys->p_empty_blocks ) > MAX_EMPTY_BLOCKS )
        |     ^~~~~
  

• access_output/udp.c:366:5: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    366 |     if( block_FifoCount( p_sys->p_empty_blocks ) == 0 )
        |     ^~
  

• access_output/udp.c:398:18: warning: variable 'p_pk' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    398 |         block_t *p_pk = block_FifoGet( p_sys->p_fifo );
        |                  ^~~~
  

• ../include/vlc_threads.h:975:43: warning: variable '__cancel_arg' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    975 | # define vlc_cleanup_push( routine, arg ) pthread_cleanup_push (routine, arg)
        |                                           ^~~~~~~~~~~~~~~~~~~~
  

• access_output/srt.c:124:5: warning: 'srt_socket' is deprecated [-Wdeprecated-declarations]
    124 |     p_sys->sock = srt_socket( res->ai_family, SOCK_DGRAM, 0 );
        |     ^~~~~
  

• ../include/vlc_common.h:498:33: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    498 | #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
        |                                 ^
  

• ../include/vlc_common.h:498:48: warning: operand of '?:' changes signedness from 'int' to 'size_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare]
    498 | #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
        |                                                ^~~
  

• codec/webvtt/webvtt.c:150:33: warning: implicit conversion from 'enum <anonymous>' to 'enum webvtt_header_line_e' [-Wenum-conversion]
    150 |         p->pf_header( p->priv, p->section, b_new, psz_line );
        |                                ~^~~~~~~~~
  

• control/gestures.c:502:39: warning: unused parameter 'oldval' [-Wunused-parameter]
    502 |                           vlc_value_t oldval, vlc_value_t val, void *p_data )
        |                           ~~~~~~~~~~~~^~~~~~
  

• ../include/vlc_variables.h:611:9: warning: 'varname' may be used uninitialized [-Wmaybe-uninitialized]
    611 |     if( var_Inherit( obj, name, VLC_VAR_INTEGER, &val ) )
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• control/netsync.c:277:38: warning: unused parameter 'oldval' [-Wunused-parameter]
    277 |                          vlc_value_t oldval, vlc_value_t newval, void *data)
        |                          ~~~~~~~~~~~~^~~~~~
  

• control/motion.c:139:2: warning: #warning FIXME: check once (or less) per picture, not once per interval [-Wcpp]
    139 | #warning FIXME: check once (or less) per picture, not once per interval
        |  ^~~~~~~
  

• control/motion.c:164:2: warning: #warning FIXME: refactor this plugin as a video filter! [-Wcpp]
    164 | #warning FIXME: refactor this plugin as a video filter!
        |  ^~~~~~~
  

• control/dbus/dbus.c:884:19: warning: ignoring return value of 'read' declared with attribute 'warn_unused_result' [-Wunused-result]
    884 |             (void)read( fds[0].fd, &buf, 1 );
        |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/asf/libasf.c:1288:41: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (17 chars into 16 available) [-Wunterminated-string-initialization]
   1288 |             static const char hex[16] = "0123456789ABCDEF";
        |                                         ^~~~~~~~~~~~~~~~~~
  

• ../include/vlc_common.h:495:33: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'uint64_t' {aka 'long unsigned int'} [-Wsign-compare]
    495 | #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
        |                                 ^
  

• ../include/vlc_common.h:495:42: warning: operand of '?:' changes signedness from 'int64_t' {aka 'long int'} to 'uint64_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare]
    495 | #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
        |                                          ^~~
  

• demux/avi/avi.c:1331:17: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1331 |                 vlc_stream_Seek( p_demux->s, p_sys->i_movi_lastchunk_pos );
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:1339:17: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1339 |                 vlc_stream_Seek( p_demux->s, p_sys->i_movi_begin + 12 );
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:1412:13: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1412 |             vlc_stream_Seek( p_demux->s, i_pos );
        |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:2060:9: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   2060 |         vlc_stream_Seek( p_demux->s, p_sys->i_movi_lastchunk_pos );
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:2068:9: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   2068 |         vlc_stream_Seek( p_demux->s, p_sys->i_movi_begin + 12 );
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:1684:21: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1684 |                     vlc_stream_Seek( p_demux->s, i_pos_backup );
        |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:1799:13: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   1799 |             vlc_stream_Seek( p_demux->s, i_pos_backup );
        |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:2869:5: warning: ignoring return value of 'vlc_stream_Seek' declared with attribute 'warn_unused_result' [-Wunused-result]
   2869 |     vlc_stream_Seek( p_demux->s, p_movi->i_chunk_pos + 12 );
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avi/avi.c:2486:9: warning: 'avi_pk.i_fourcc' may be used uninitialized [-Wmaybe-uninitialized]
   2486 |         switch( avi_pk.i_fourcc )
        |         ^~~~~~
  

• demux/avi/avi.c:2481:11: warning: 'avi_pk.i_stream' may be used uninitialized [-Wmaybe-uninitialized]
   2481 |         if( avi_pk.i_stream < p_sys->i_track &&
        |           ^
  

• demux/avi/avi.c:2482:40: warning: '*(unsigned int *)((char *)&avi_pk + offsetof(avi_packet_t, i_cat))' may be used uninitialized [-Wmaybe-uninitialized]
   2482 |             ( avi_pk.i_cat == AUDIO_ES || avi_pk.i_cat == VIDEO_ES ) )
        |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• demux/avformat/demux.c:1144:40: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (11 chars into 10 available) [-Wunterminated-string-initialization]
   1144 |                 [vlc_meta_EncodedBy] = "encoded_by",
        |                                        ^~~~~~~~~~~~
  

• demux/mkv/matroska_segment.cpp:998:32: warning: this statement may fall through [-Wimplicit-fallthrough=]
    998 |                 case VIDEO_ES: ++track_score;
        |                                ^~~~~~~~~~~~~
  

• demux/mkv/matroska_segment.cpp:999:32: warning: this statement may fall through [-Wimplicit-fallthrough=]
    999 |                 case AUDIO_ES: ++track_score;
        |                                ^~~~~~~~~~~~~
  

• demux/mkv/matroska_segment.cpp:1000:32: warning: this statement may fall through [-Wimplicit-fallthrough=]
   1000 |                 case   SPU_ES: ++track_score;
        |                                ^~~~~~~~~~~~~
  

• demux/mkv/matroska_segment.cpp:1442:21: warning: this statement may fall through [-Wimplicit-fallthrough=]
   1442 |                     if( unlikely( !el->ValidateSize() || ( el->IsFiniteSize() && el->GetSize() >= SIZE_MAX ) ) )
        |                     ^~
  

• demux/mkv/matroska_segment_parse.cpp:955:10: warning: statement has no effect [-Wunused-value]
    955 |     for (t; t != matroska_segment_c::tracks.end(); ++t)
        |          ^
  

• demux/mkv/matroska_segment_parse.cpp:1665:39: warning: taking address of packed member of '_WAVEFORMATEXTENSIBLE' may result in an unaligned pointer value [-Waddress-of-packed-member]
   1665 |                     sf_tag_to_fourcc( &p_wext->SubFormat,  &p_tk->fmt.i_codec, NULL);
        |                                       ^~~~~~~~~~~~~~~~~~
  

• demux/mkv/demux.cpp:453:97: warning: unused parameter 'b_initial' [-Wunused-parameter]
    453 | bool demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, matroska_stream_c *p_stream1, bool b_initial )
        |                                                                                            ~~~~~^~~~~~~~~
  

• demux/adaptive/tools/../../mp4/mpeg4.h:30:52: warning: unused parameter 'pi_profile' [-Wunused-parameter]
     30 |                                               int *pi_profile)
        |                                               ~~~~~^~~~~~~~~~
  

• /nix/store/m300ngckdmal8wnl3bjbpwca3a5bn74c-glibc-2.42-67-dev/include/bits/string_fortified.h:29:10: warning: 'mp4_a52_header' may be used uninitialized [-Wmaybe-uninitialized]
     29 |   return __builtin___memcpy_chk (__dest, __src, __len,
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     30 |                                  __glibc_objsize0 (__dest));
        |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• gui/ncurses.c:1083:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
   1083 |             mvnprintw(y++, 0, COLS, _(input_state[val.i_int]),
        |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1084 |                         repeat, random, loop);
        |                         ~~~~~~~~~~~~~~~~~~~~~
  

• gui/ncurses.c:1562:12: warning: this statement may fall through [-Wimplicit-fallthrough=]
   1562 |         if (getch() != ERR)
        |            ^
  

• lua/extension.c:383:26: warning: declaration of 'b_ok' shadows a previous local [-Wshadow=compatible-local]
    383 |                     bool b_ok = false;
        |                          ^~~~
  

• lua/extension.c:627:26: warning: declaration of 'p_ext' shadows a previous local [-Wshadow=compatible-local]
    627 |             extension_t *p_ext;
        |                          ^~~~~
  

• lua/extension.c:639:26: warning: declaration of 'p_ext' shadows a previous local [-Wshadow=compatible-local]
    639 |             extension_t *p_ext;
        |                          ^~~~~
  

• lua/extension.c:1159:54: warning: unused parameter 'p_event' [-Wunused-parameter]
   1159 | static void inputItemMetaChanged( const vlc_event_t *p_event,
        |                                   ~~~~~~~~~~~~~~~~~~~^~~~~~~
  

• lua/libs/sd.c:449:5: warning: 'playlist_IsServicesDiscoveryLoaded' is deprecated [-Wdeprecated-declarations]
    449 |     lua_pushboolean( L, playlist_IsServicesDiscoveryLoaded( p_playlist, psz_sd ));
        |     ^~~~~~~~~~~~~~~
  

• meta_engine/folder.c:162:19: warning: declaration of 'psz_uri' shadows a previous local [-Wshadow=compatible-local]
    162 |             char *psz_uri = vlc_path2uri( filepath, "file" );
        |                   ^~~~~~~
  

• ../include/vlc_arrays.h:229:9: warning: declaration of 'fe_idx' shadows a previous local [-Wshadow=compatible-local]
    229 |     int fe_idx; \
        |         ^~~~~~
  

• mux/dummy.c:167:9: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    167 |         i_count = block_FifoCount( p_fifo );
        |         ^~~~~~~
  

• mux/asf.c:1000:22: warning: declaration of 'tk' shadows a previous local [-Wshadow=compatible-local]
   1000 |         asf_track_t *tk = NULL;
        |                      ^~
  

• mux/avi.c:516:9: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    516 |         i_count = block_FifoCount(  p_fifo );
        |         ^~~~~~~
  

• mux/avi.c:523:13: warning: 'block_FifoCount' is deprecated [-Wdeprecated-declarations]
    523 |             if( block_FifoCount( p_fifo ) > 0 )
        |             ^~
  

• services_discovery/podcast.c:358:14: warning: declaration of 'i' shadows a previous local [-Wshadow=compatible-local]
    358 |     for( int i = 0; i < p_sys->i_urls; i++ )
        |              ^
  

• services_discovery/sap.c:900:9: warning: 'services_discovery_AddItemCat' is deprecated [-Wdeprecated-declarations]
    900 |         services_discovery_AddItemCat(p_sd, p_input, str ? str : psz_value);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• services_discovery/sap.c:908:9: warning: 'services_discovery_AddItemCat' is deprecated [-Wdeprecated-declarations]
    908 |         services_discovery_AddItemCat(p_sd, p_input, psz_value);
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• services_discovery/pulse.c:186:5: warning: 'services_discovery_AddItemCat' is deprecated [-Wdeprecated-declarations]
    186 |     services_discovery_AddItemCat(sd, item,
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• services_discovery/upnp.cpp:1055:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
   1055 |                 if (!p_item) {
        |                 ^~
  

• services_discovery/upnp.cpp:1599:14: warning: 'char* getIpv4ForMulticast()' defined but not used [-Wunused-function]
   1599 | static char *getIpv4ForMulticast()
        |              ^~~~~~~~~~~~~~~~~~~
  

• stream_out/transcode/transcode.c:274:23: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (6 chars into 5 available) [-Wunterminated-string-initialization]
    274 |         char fcc[5] = "    \0";
        |                       ^~~~~~~~
  

• stream_out/transcode/transcode.c:329:23: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (6 chars into 5 available) [-Wunterminated-string-initialization]
    329 |         char fcc[5] = "    \0";
        |                       ^~~~~~~~
  

• stream_out/transcode/transcode.c:399:23: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (6 chars into 5 available) [-Wunterminated-string-initialization]
    399 |         char fcc[5] = "    \0";
        |                       ^~~~~~~~
  

• stream_filter/prefetch.c:124:10: warning: variable 'paused' might be clobbered by 'longjmp' or 'vfork' [-Wclobbered]
    124 |     bool paused = false;
        |          ^~~~~~
  

• video_filter/ball.c:611:14: warning: declaration of 'y' shadows a previous local [-Wshadow=compatible-local]
    611 |     for( int y = 1; y < i_numLines - 1; y++ )
        |              ^
  

• video_filter/ball.c:613:18: warning: declaration of 'x' shadows a previous local [-Wshadow=compatible-local]
    613 |         for( int x = 1; x < i_numCols - 1; x++ )
        |                  ^
  

• video_filter/ball.c:636:18: warning: declaration of 'y' shadows a previous local [-Wshadow=compatible-local]
    636 |         for( int y = 1; y < i_numLines - 1; y++ )
        |                  ^
  

• video_filter/ball.c:638:22: warning: declaration of 'x' shadows a previous local [-Wshadow=compatible-local]
    638 |             for( int x = 1; x < i_numCols - 1; x++ )
        |                      ^
  

• video_filter/ripple.c:160:31: warning: this statement may fall through [-Wimplicit-fallthrough=]
    160 |                 i_pixel_pitch *= 2;
        |                 ~~~~~~~~~~~~~~^~~~
  

• video_filter/scale.c:75:2: warning: #warning Converter cannot (really) change output format. [-Wcpp]
     75 | #warning Converter cannot (really) change output format.
        |  ^~~~~~~
  

• video_filter/scale.c:95:2: warning: #warning Converter cannot (really) change output format. [-Wcpp]
     95 | #warning Converter cannot (really) change output format.
        |  ^~~~~~~
  

• video_filter/wave.c:161:31: warning: this statement may fall through [-Wimplicit-fallthrough=]
    161 |                 i_pixel_pitch *= 2;
        |                 ~~~~~~~~~~~~~~^~~~
  

• video_filter/hqdn3d.h:92:22: warning: declaration of 'PixelAnt' shadows a previous local [-Wshadow=compatible-local]
     92 |         unsigned int PixelAnt;
        |                      ^~~~~~~~
  

• video_filter/hqdn3d.h:100:26: warning: declaration of 'PixelDst' shadows a previous local [-Wshadow=compatible-local]
    100 |             unsigned int PixelDst;
        |                          ^~~~~~~~
  

• video_filter/hqdn3d.h:159:22: warning: declaration of 'PixelAnt' shadows a previous local [-Wshadow=compatible-local]
    159 |         unsigned int PixelAnt;
        |                      ^~~~~~~~
  

• video_filter/hqdn3d.h:170:26: warning: declaration of 'PixelDst' shadows a previous local [-Wshadow=compatible-local]
    170 |             unsigned int PixelDst;
        |                          ^~~~~~~~
  

• video_filter/oldmovie.c:460:44: warning: absolute value function 'abs' given an argument of type 'long int' but has parameter of type 'int' which may cause truncation of value [-Wabsolute-value]
    460 |         if ( abs( p_sys->i_sliding_ofs ) < abs( p_sys->i_sliding_speed
        |                                            ^~~
  

• video_filter/vhs.c:473:44: warning: absolute value function 'abs' given an argument of type 'long int' but has parameter of type 'int' which may cause truncation of value [-Wabsolute-value]
    473 |         if ( abs( p_sys->i_sliding_ofs ) < abs( p_sys->i_sliding_speed
        |                                            ^~~
  

• video_filter/puzzle_bezier.c:86:22: warning: using integer absolute value function 'abs' when argument is of floating-point type 'float' [-Wabsolute-value]
     86 |                 if ( abs ( f_bez_y ) > ( f_bez_x * ( 0.9 * ((float)i_lines) / ((float)i_width) ) ) )
        |                      ^~~
  

• video_filter/puzzle_bezier.c:90:22: warning: using integer absolute value function 'abs' when argument is of floating-point type 'float' [-Wabsolute-value]
     90 |                 if ( abs ( f_bez_y ) > ( ( ((float)i_width) - f_bez_x ) * ( 0.9 * ((float)i_lines) / ((float)i_width) ) ) )
        |                      ^~~
  

• video_output/opengl/fragment_shaders.c:616:9: warning: 'tone_mapping_algo' is deprecated [-Wdeprecated-declarations]
    616 |         color_params.tone_mapping_algo = var_InheritInteger(tc->gl, "tone-mapping");
        |         ^~~~~~~~~~~~
  

• video_output/opengl/fragment_shaders.c:619:9: warning: 'desaturation_strength' is deprecated [-Wdeprecated-declarations]
    619 |         color_params.desaturation_strength = var_InheritFloat(tc->gl, "desat-strength");
        |         ^~~~~~~~~~~~
  

• video_output/opengl/fragment_shaders.c:620:9: warning: 'desaturation_exponent' is deprecated [-Wdeprecated-declarations]
    620 |         color_params.desaturation_exponent = var_InheritFloat(tc->gl, "desat-exponent");
        |         ^~~~~~~~~~~~
  

• video_output/opengl/fragment_shaders.c:621:9: warning: 'desaturation_base' is deprecated [-Wdeprecated-declarations]
    621 |         color_params.desaturation_base = var_InheritFloat(tc->gl, "desat-base");
        |         ^~~~~~~~~~~~
  

• video_output/opengl/fragment_shaders.c:622:9: warning: 'max_boost' is deprecated [-Wdeprecated-declarations]
    622 |         color_params.max_boost = var_InheritFloat(tc->gl, "max-boost");
        |         ^~~~~~~~~~~~
  

• video_output/opengl/fragment_shaders.c:626:9: warning: 'gamut_warning' is deprecated [-Wdeprecated-declarations]
    626 |         color_params.gamut_warning = var_InheritBool(tc->gl, "tone-mapping-warn");
        |         ^~~~~~~~~~~~
  

• video_output/opengl/display.c:71:5: warning: 'desaturation_strength' is deprecated [-Wdeprecated-declarations]
     71 |     add_glopts ()
        |     ^~~~~~~~~~
  

• video_output/opengl/display.c:71:5: warning: 'desaturation_exponent' is deprecated [-Wdeprecated-declarations]
     71 |     add_glopts ()
        |     ^~~~~~~~~~
  

• video_output/opengl/display.c:71:5: warning: 'desaturation_base' is deprecated [-Wdeprecated-declarations]
     71 |     add_glopts ()
        |     ^~~~~~~~~~
  

• video_output/opengl/display.c:71:5: warning: 'max_boost' is deprecated [-Wdeprecated-declarations]
     71 |     add_glopts ()
        |     ^~~~~~~~~~
  

• video_output/wayland/shell.c:197:1: warning: missing initializer for field 'name' of 'const struct wl_output_listener' [-Wmissing-field-initializers]
    197 | };
        | ^
  

• media_list.c:255:2: warning: #warning Missing error handling! [-Wcpp]
    255 | #warning Missing error handling!
        |  ^~~~~~~
  

• media_list_player.c:822:22: warning: 'ret' may be used uninitialized [-Wmaybe-uninitialized]
    822 |     if (!path || ret != 0)
        |                  ~~~~^~~~