[vlc-devel] [PATCH] Rename popcount to vlc_popcount

Kamil Rytarowski n54 at gmx.com
Mon Feb 26 09:19:23 CET 2018


Renaming parity, ctz and clz is not required for NetBSD.

If you think it's appropriate to keep this style, it's fine with me.

On 26.02.2018 09:11, Thomas Guillem wrote:
> Fine with me. Should the same be done for every builtin functions (parity,ctz,clz) ?
> 
> On Mon, Feb 26, 2018, at 07:11, Kamil Rytarowski wrote:
>> This removes conflicts with the NetBSD headers and libc.
>> The conflicts caused fatal build errors.
>>
>> No functional change intended for other Operating Systems.
>> ---
>>  include/vlc_aout.h                         |  2 +-
>>  include/vlc_common.h                       | 36 +++++++++++++++---------------
>>  modules/access/wasapi.c                    |  2 +-
>>  modules/audio_filter/channel_mixer/remap.c |  2 +-
>>  modules/audio_output/alsa.c                |  6 ++---
>>  modules/audio_output/directsound.c         |  2 +-
>>  modules/codec/faad.c                       |  4 ++--
>>  modules/codec/flac.c                       |  4 ++--
>>  modules/mux/mpeg/tables.c                  |  2 +-
>>  modules/packetizer/a52.h                   |  4 ++--
>>  modules/packetizer/dts.c                   |  2 +-
>>  modules/packetizer/hxxx_nal.h              |  2 +-
>>  modules/video_output/xcb/xvideo.c          |  2 +-
>>  13 files changed, 35 insertions(+), 35 deletions(-)
>>
>> diff --git a/include/vlc_aout.h b/include/vlc_aout.h
>> index 967b68ca10..9a888d54a2 100644
>> --- a/include/vlc_aout.h
>> +++ b/include/vlc_aout.h
>> @@ -281,7 +281,7 @@ VLC_API void aout_ChannelExtract( void *p_dst, int 
>> i_dst_channels, const void *p
>>  /* */
>>  static inline unsigned aout_FormatNbChannels(const 
>> audio_sample_format_t *fmt)
>>  {
>> -    return popcount(fmt->i_physical_channels);
>> +    return vlc_popcount(fmt->i_physical_channels);
>>  }
>>  
>>  VLC_API unsigned int aout_BitsPerSample( vlc_fourcc_t i_format ) VLC_USED;
>> diff --git a/include/vlc_common.h b/include/vlc_common.h
>> index 87196d295b..e641b4519f 100644
>> --- a/include/vlc_common.h
>> +++ b/include/vlc_common.h
>> @@ -605,7 +605,7 @@ static inline uint8_t clip_uint8_vlc( int32_t a )
>>          unsigned long: __builtin_ctzl(x), \
>>          unsigned long long: __builtin_ctzll(x))
>>  
>> -#  define popcount(x) \
>> +#  define vlc_popcount(x) \
>>      _Generic((x), \
>>          unsigned char:      __builtin_popcount(x), \
>>            signed char:      __builtin_popcount((unsigned char)(x)), \
>> @@ -647,27 +647,27 @@ VLC_USED static inline int ctz(unsigned long long x)
>>      return __builtin_ctzll(x);
>>  }
>>  
>> -VLC_USED static inline int popcount(unsigned char x)
>> +VLC_USED static inline int vlc_popcount(unsigned char x)
>>  {
>>      return __builtin_popcount(x);
>>  }
>>  
>> -VLC_USED static inline int popcount(unsigned short x)
>> +VLC_USED static inline int vlc_popcount(unsigned short x)
>>  {
>>      return __builtin_popcount(x);
>>  }
>>  
>> -VLC_USED static inline int popcount(unsigned x)
>> +VLC_USED static inline int vlc_popcount(unsigned x)
>>  {
>>      return __builtin_popcount(x);
>>  }
>>  
>> -VLC_USED static inline int popcount(unsigned long x)
>> +VLC_USED static inline int vlc_popcount(unsigned long x)
>>  {
>>      return __builtin_popcountl(x);
>>  }
>>  
>> -VLC_USED static inline int popcount(unsigned long long x)
>> +VLC_USED static inline int vlc_popcount(unsigned long long x)
>>  {
>>      return __builtin_popcountll(x);
>>  }
>> @@ -745,7 +745,7 @@ VLC_USED static inline int ctz(unsigned long long x)
>>      return i;
>>  }
>>  
>> -VLC_USED static inline int popcount(unsigned long long x)
>> +VLC_USED static inline int vlc_popcount(unsigned long long x)
>>  {
>>      int count = 0;
>>      while (x)
>> @@ -764,18 +764,18 @@ VLC_USED static inline int popcount(unsigned long long x)
>>   *
>>   * \return The count of non-zero bits.
>>   */
>> -#  define popcount(x) \
>> +#  define vlc_popcount(x) \
>>      _Generic((x), \
>> -        unsigned char:      popcount(x), \
>> -          signed char:      popcount((unsigned char)(x)), \
>> -        unsigned short:     popcount(x), \
>> -          signed short:     popcount((unsigned short)(x)), \
>> -        unsigned int:       popcount(x), \
>> -          signed int:       popcount((unsigned int)(x)), \
>> -        unsigned long:      popcount(x), \
>> -          signed long:      popcount((unsigned long)(x)), \
>> -        unsigned long long: popcount(x), \
>> -          signed long long: popcount(x))
>> +        unsigned char:      vlc_popcount(x), \
>> +          signed char:      vlc_popcount((unsigned char)(x)), \
>> +        unsigned short:     vlc_popcount(x), \
>> +          signed short:     vlc_popcount((unsigned short)(x)), \
>> +        unsigned int:       vlc_popcount(x), \
>> +          signed int:       vlc_popcount((unsigned int)(x)), \
>> +        unsigned long:      vlc_popcount(x), \
>> +          signed long:      vlc_popcount((unsigned long)(x)), \
>> +        unsigned long long: vlc_popcount(x), \
>> +          signed long long: vlc_popcount(x))
>>  # endif
>>  
>>  /**
>> diff --git a/modules/access/wasapi.c b/modules/access/wasapi.c
>> index fe162c7909..bc320d9943 100644
>> --- a/modules/access/wasapi.c
>> +++ b/modules/access/wasapi.c
>> @@ -143,7 +143,7 @@ static int vlc_FromWave(const WAVEFORMATEX *restrict wf,
>>      if (wfe->dwChannelMask & SPEAKER_LOW_FREQUENCY)
>>          fmt->i_physical_channels |= AOUT_CHAN_LFE;
>>  
>> -    assert(popcount(wfe->dwChannelMask) == wf->nChannels);
>> +    assert(vlc_popcount(wfe->dwChannelMask) == wf->nChannels);
>>  
>>      if (IsEqualIID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))
>>      {
>> diff --git a/modules/audio_filter/channel_mixer/remap.c b/modules/
>> audio_filter/channel_mixer/remap.c
>> index 98ec3463a1..aee515e625 100644
>> --- a/modules/audio_filter/channel_mixer/remap.c
>> +++ b/modules/audio_filter/channel_mixer/remap.c
>> @@ -321,7 +321,7 @@ static int OpenFilter( vlc_object_t *p_this )
>>      }
>>      i_output_physical = CanonicaliseChannels( i_output_physical );
>>  
>> -    unsigned i_channels = popcount(i_output_physical);
>> +    unsigned i_channels = vlc_popcount(i_output_physical);
>>  
>>      /* condense out_channels */
>>      uint8_t out_ch_sorted[ AOUT_CHAN_MAX ];
>> diff --git a/modules/audio_output/alsa.c b/modules/audio_output/alsa.c
>> index 7a363ce380..e54b55db5d 100644
>> --- a/modules/audio_output/alsa.c
>> +++ b/modules/audio_output/alsa.c
>> @@ -242,8 +242,8 @@ static unsigned SetupChannels (vlc_object_t *obj, 
>> snd_pcm_t *pcm,
>>          if (chans == -1)
>>              continue;
>>  
>> -        unsigned score = (popcount (chans & *mask) << 8)
>> -                       | (255 - popcount (chans));
>> +        unsigned score = (vlc_popcount (chans & *mask) << 8)
>> +                       | (255 - vlc_popcount (chans));
>>          if (score > best_score)
>>          {
>>              best_offset = p - maps;
>> @@ -469,7 +469,7 @@ static int Start (audio_output_t *aout, 
>> audio_sample_format_t *restrict fmt)
>>          sys->chans_to_reorder = SetupChannels (VLC_OBJECT(aout), pcm, 
>> &map,
>>                                                 sys->chans_table);
>>          fmt->i_physical_channels = map;
>> -        channels = popcount (map);
>> +        channels = vlc_popcount (map);
>>      }
>>      else
>>      {
>> diff --git a/modules/audio_output/directsound.c b/modules/audio_output/
>> directsound.c
>> index c3fa40b479..38d3e2927d 100644
>> --- a/modules/audio_output/directsound.c
>> +++ b/modules/audio_output/directsound.c
>> @@ -517,7 +517,7 @@ static HRESULT CreateDSBufferPCM( vlc_object_t *obj, 
>> aout_stream_sys_t *sys,
>>                                    int i_rate, bool b_probe )
>>  {
>>      HRESULT hr;
>> -    unsigned i_nb_channels = popcount( i_channels );
>> +    unsigned i_nb_channels = vlc_popcount( i_channels );
>>  
>>      if( var_GetBool( obj, "directx-audio-float32" ) )
>>      {
>> diff --git a/modules/codec/faad.c b/modules/codec/faad.c
>> index cd415b6c5c..16d0b0c765 100644
>> --- a/modules/codec/faad.c
>> +++ b/modules/codec/faad.c
>> @@ -533,7 +533,7 @@ static int DecodeBlock( decoder_t *p_dec, block_t 
>> *p_block )
>>              b_reorder = 
>> aout_CheckChannelReorder( pi_faad_channels_positions, NULL,
>>                  p_dec->fmt_out.audio.i_physical_channels, 
>> pi_neworder_table );
>>  
>> -            p_dec->fmt_out.audio.i_channels = popcount(p_dec-
>>> fmt_out.audio.i_physical_channels);
>> +            p_dec->fmt_out.audio.i_channels = vlc_popcount(p_dec-
>>> fmt_out.audio.i_physical_channels);
>>          }
>>  
>>          if( !decoder_UpdateAudioFormat( p_dec ) && p_dec-
>>> fmt_out.audio.i_channels > 0 )
>> @@ -549,7 +549,7 @@ static int DecodeBlock( decoder_t *p_dec, block_t 
>> *p_block )
>>              if ( p_dec->fmt_out.audio.channel_type == 
>> AUDIO_CHANNEL_TYPE_BITMAP )
>>              {
>>                  /* Don't kill speakers if some weird mapping does not 
>> gets 1:1 */
>> -                if( popcount(p_dec-
>>> fmt_out.audio.i_physical_channels) != frame.channels )
>> +                if( vlc_popcount(p_dec-
>>> fmt_out.audio.i_physical_channels) != frame.channels )
>>                      memset( p_out->p_buffer, 0, p_out->i_buffer );
>>              }
>>  
>> diff --git a/modules/codec/flac.c b/modules/codec/flac.c
>> index b6fcac1481..03cdd55955 100644
>> --- a/modules/codec/flac.c
>> +++ b/modules/codec/flac.c
>> @@ -340,7 +340,7 @@ static void DecoderMetadataCallback( const 
>> FLAC__StreamDecoder *decoder,
>>                  {
>>                      char *endptr = (char *) &comment->entry[34] + 
>> comment->length;
>>                      const uint32_t i_wfxmask = strtoul( (char *) 
>> &comment->entry[34], &endptr, 16 );
>> -                    const unsigned i_wfxchannels = 
>> popcount( i_wfxmask );
>> +                    const unsigned i_wfxchannels = 
>> vlc_popcount( i_wfxmask );
>>                      if( i_wfxchannels > 0 && i_wfxchannels <= 
>> AOUT_CHAN_MAX )
>>                      {
>>                          /* Create the vlc bitmap from wfx channels */
>> @@ -356,7 +356,7 @@ static void DecoderMetadataCallback( const 
>> FLAC__StreamDecoder *decoder,
>>                              }
>>                          }
>>                          /* Check if we have the 1 to 1 mapping */
>> -                        if( popcount(i_vlcmask) != i_wfxchannels )
>> +                        if( vlc_popcount(i_vlcmask) != i_wfxchannels )
>>                          {
>>                              msg_Warn( p_dec, "Unsupported channel mask 
>> %x", i_wfxmask );
>>                              return;
>> diff --git a/modules/mux/mpeg/tables.c b/modules/mux/mpeg/tables.c
>> index ef46a42757..f6aa8be3a7 100644
>> --- a/modules/mux/mpeg/tables.c
>> +++ b/modules/mux/mpeg/tables.c
>> @@ -544,7 +544,7 @@ void BuildPMT( dvbpsi_t *p_dvbpsi, vlc_object_t 
>> *p_object,
>>          else if( p_stream->fmt->i_codec == VLC_CODEC_DTS )
>>          {
>>              /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
>> -            if(popcount(p_stream->fmt->audio.i_bytes_per_frame) == 1)
>> +            if(vlc_popcount(p_stream->fmt->audio.i_bytes_per_frame) == 
>> 1)
>>              {
>>                  uint8_t i_ver = ctz( p_stream->fmt-
>>> audio.i_bytes_per_frame >> 8 );
>>                  if(i_ver > 0 && i_ver < 4)
>> diff --git a/modules/packetizer/a52.h b/modules/packetizer/a52.h
>> index c46a0f2bb9..0965710d6f 100644
>> --- a/modules/packetizer/a52.h
>> +++ b/modules/packetizer/a52.h
>> @@ -163,7 +163,7 @@ static inline int 
>> vlc_a52_header_ParseAc3( vlc_a52_header_t *p_header,
>>      if( i_lfeon )
>>          p_header->i_channels_conf |= AOUT_CHAN_LFE;
>>  
>> -    p_header->i_channels = popcount(p_header->i_channels_conf);
>> +    p_header->i_channels = vlc_popcount(p_header->i_channels_conf);
>>  
>>      const unsigned i_rate_shift = VLC_CLIP(i_bsid, 8, 11) - 8;
>>      p_header->i_bitrate = (pi_frmsizcod_bitrates[i_frmsizcod >> 1] * 
>> 1000)
>> @@ -223,7 +223,7 @@ static inline int 
>> vlc_a52_header_ParseEac3( vlc_a52_header_t *p_header,
>>          p_header->i_chan_mode |= AOUT_CHANMODE_DUALMONO;
>>      if( i_lfeon )
>>          p_header->i_channels_conf |= AOUT_CHAN_LFE;
>> -    p_header->i_channels = popcount( p_header->i_channels_conf );
>> +    p_header->i_channels = vlc_popcount( p_header->i_channels_conf );
>>      p_header->i_bitrate = 8 * p_header->i_size * p_header->i_rate
>>                          / (p_header->i_blocks_per_sync_frame * 256);
>>      p_header->i_samples = p_header->i_blocks_per_sync_frame * 256;
>> diff --git a/modules/packetizer/dts.c b/modules/packetizer/dts.c
>> index c1a570c45b..e9ca41d267 100644
>> --- a/modules/packetizer/dts.c
>> +++ b/modules/packetizer/dts.c
>> @@ -105,7 +105,7 @@ static block_t *GetOutBuffer( decoder_t *p_dec )
>>      p_dec->fmt_out.audio.i_chan_mode = p_sys->dts.i_chan_mode;
>>      p_dec->fmt_out.audio.i_physical_channels = p_sys-
>>> dts.i_physical_channels;
>>      p_dec->fmt_out.audio.i_channels =
>> -        popcount( p_dec->fmt_out.audio.i_physical_channels );
>> +        vlc_popcount( p_dec->fmt_out.audio.i_physical_channels );
>>  
>>      p_dec->fmt_out.i_bitrate = p_sys->dts.i_bitrate;
>>  
>> diff --git a/modules/packetizer/hxxx_nal.h b/modules/packetizer/
>> hxxx_nal.h
>> index 947733fa21..6ba41ae3f0 100644
>> --- a/modules/packetizer/hxxx_nal.h
>> +++ b/modules/packetizer/hxxx_nal.h
>> @@ -266,7 +266,7 @@ static inline void 
>> hxxx_iterator_init( hxxx_iterator_ctx_t *p_ctx, const uint8_t
>>  {
>>      p_ctx->p_head = p_data;
>>      p_ctx->p_tail = p_data + i_data;
>> -    if( popcount(i_nal_length_size) == 1 && i_nal_length_size <= 4 )
>> +    if( vlc_popcount(i_nal_length_size) == 1 && i_nal_length_size <= 
>> 4 )
>>          p_ctx->i_nal_length_size = i_nal_length_size;
>>      else
>>          p_ctx->i_nal_length_size = 0;
>> diff --git a/modules/video_output/xcb/xvideo.c b/modules/video_output/
>> xcb/xvideo.c
>> index 5c82507521..6c587a808f 100644
>> --- a/modules/video_output/xcb/xvideo.c
>> +++ b/modules/video_output/xcb/xvideo.c
>> @@ -141,7 +141,7 @@ static vlc_fourcc_t ParseFormat (vlc_object_t *obj,
>>          switch (f->num_planes)
>>          {
>>            case 1:
>> -            switch (popcount (f->red_mask | f->green_mask | f-
>>> blue_mask))
>> +            switch (vlc_popcount (f->red_mask | f->green_mask | f-
>>> blue_mask))
>>              {
>>                case 24:
>>                  if (f->bpp == 32 && f->depth == 32)
>> -- 
>> 2.16.1
>>
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