packetizer: h264_nal: rename for consistency

modules/codec/crystalhd.c

@@ -615,7 +615,7 @@ static int crystal_insert_sps_pps( decoder_t *p_dec,
     if( !p_sys->p_sps_pps_buf )
         return VLC_ENOMEM;
 
-    ret = convert_sps_pps( p_dec, p_buf, i_buf_size, p_sys->p_sps_pps_buf,
+    ret = h264_avcC_to_AnnexB_NAL( p_dec, p_buf, i_buf_size, p_sys->p_sps_pps_buf,
                            p_dec->fmt_in.i_extra * 2, &p_sys->i_sps_pps_size,
                            &p_sys->i_nal_size );
     if( !ret )

modules/codec/mft.c

@@ -575,7 +575,7 @@ static int ProcessInputStream(decoder_t *p_dec, DWORD stream_id, block_t *p_bloc
     if (p_dec->fmt_in.i_codec == VLC_CODEC_H264)
     {
         /* in-place NAL to annex B conversion. */
-        convert_h264_to_annexb(buffer_start, p_block->i_buffer, p_sys->nal_length_size);
+        h264_AVC_to_AnnexB(buffer_start, p_block->i_buffer, p_sys->nal_length_size);
     }
 
     hr = IMFMediaBuffer_Unlock(input_media_buffer);
@@ -994,7 +994,7 @@ static int InitializeMFT(decoder_t *p_dec)
             uint8_t *buf = malloc(buf_size);
             if (((uint8_t*)p_dec->fmt_in.p_extra)[0] == 1)
             {
-                convert_sps_pps(p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
+                h264_avcC_to_AnnexB_NAL(p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
                                 buf, buf_size,
                                 &size, &p_sys->nal_length_size);
             }

modules/codec/omxil/mediacodec.c

@@ -313,7 +313,7 @@ static int ParseVideoExtra(decoder_t *p_dec, uint8_t *p_extra, int i_extra)
         if (p_dec->fmt_in.i_codec == VLC_CODEC_H264)
         {
             if (p_extra[0] == 1
-             && convert_sps_pps(p_dec, p_extra, i_extra,
+             && h264_avcC_to_AnnexB_NAL(p_dec, p_extra, i_extra,
                                 p_buf, buf_size, &size,
                                 &p_sys->u.video.i_nal_length_size) == VLC_SUCCESS)
                 H264SetCSD(p_dec, p_buf, size, NULL);
@@ -981,7 +981,7 @@ static void H264ProcessBlock(decoder_t *p_dec, block_t *p_block,
 
     if (p_sys->u.video.i_nal_length_size)
     {
-        convert_h264_to_annexb(p_block->p_buffer, p_block->i_buffer,
+        h264_AVC_to_AnnexB(p_block->p_buffer, p_block->i_buffer,
                                p_sys->u.video.i_nal_length_size);
     } else if (H264SetCSD(p_dec, p_block->p_buffer, p_block->i_buffer,
                           p_size_changed) == VLC_SUCCESS)
@@ -999,7 +999,7 @@ static void HEVCProcessBlock(decoder_t *p_dec, block_t *p_block,
 
     if (p_sys->u.video.i_nal_length_size)
     {
-        convert_h264_to_annexb(p_block->p_buffer, p_block->i_buffer,
+        h264_AVC_to_AnnexB(p_block->p_buffer, p_block->i_buffer,
                                p_sys->u.video.i_nal_length_size);
     }
 

modules/codec/omxil/omxil.c

@@ -1174,7 +1174,7 @@ static int OpenGeneric( vlc_object_t *p_this, bool b_encode )
         if( p_sys->i_nal_size_length && !p_sys->in.b_direct )
         {
             p_header->nFilledLen = 0;
-            convert_sps_pps( p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
+            h264_avcC_to_AnnexB_NAL( p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
                              p_header->pBuffer, p_header->nAllocLen,
                              (uint32_t*) &p_header->nFilledLen, NULL );
         }
@@ -1498,7 +1498,7 @@ static int DecodeVideoInput( decoder_t *p_dec, OmxPort *p_port, block_t **pp_blo
         /* Convert H.264 NAL format to annex b. Doesn't do anything if
          * i_nal_size_length == 0, which is the case for codecs other
          * than H.264 */
-        convert_h264_to_annexb( p_header->pBuffer, p_header->nFilledLen,
+        h264_AVC_to_AnnexB( p_header->pBuffer, p_header->nFilledLen,
                                 p_sys->i_nal_size_length);
         OMX_DBG( "EmptyThisBuffer %p, %p, %u, %"PRId64, (void *)p_header,
                  (void *)p_header->pBuffer, (unsigned)p_header->nFilledLen,

modules/codec/videotoolbox.m

@@ -317,7 +317,7 @@ static int StartVideoToolbox(decoder_t *p_dec, block_t *p_block)
 
             /* we need to convert the SPS and PPS units we received from the
              * demuxer's avvC atom so we can process them further */
-            i_ret = convert_sps_pps(p_dec,
+            i_ret = h264_avcC_to_AnnexB_NAL(p_dec,
                                     p_dec->fmt_in.p_extra,
                                     p_dec->fmt_in.i_extra,
                                     p_buf,
@@ -385,7 +385,7 @@ static int StartVideoToolbox(decoder_t *p_dec, block_t *p_block)
         p_sys->codec_level = sps_data.i_level;
 
         /* create avvC atom to forward to the HW decoder */
-        block_t *p_block = h264_create_avcdec_config_record(
+        block_t *p_block = h264_AnnexB_NAL_to_avcC(
                                 p_sys->i_nal_length_size,
                                 p_sps_buf, i_sps_size,
                                 p_pps_buf, i_pps_size);
@@ -869,7 +869,7 @@ static block_t *H264ProcessBlock(decoder_t *p_dec, block_t *p_block)
         }
     }
 
-    return convert_annexb_to_h264(p_block, p_sys->i_nal_length_size);
+    return h264_AnnexB_to_AVC(p_block, p_sys->i_nal_length_size);
 }
 
 static CMSampleBufferRef VTSampleBufferCreate(decoder_t *p_dec,

modules/packetizer/h264_nal.c

@@ -51,24 +51,22 @@ static inline bool strip_AnnexB_startcode( const uint8_t **pp_data, size_t *pi_d
     return true;
 }
 
-int convert_sps_pps( decoder_t *p_dec, const uint8_t *p_buf,
+int h264_avcC_to_AnnexB_NAL( decoder_t *p_dec, const uint8_t *p_buf,
                      uint32_t i_buf_size, uint8_t *p_out_buf,
                      uint32_t i_out_buf_size, uint32_t *p_sps_pps_size,
                      uint8_t *pi_nal_length_size)
 {
-    int i_profile;
     uint32_t i_data_size = i_buf_size, i_nal_size, i_sps_pps_size = 0;
     unsigned int i_loop_end;
 
     /* */
     if( i_data_size < 7 )
     {
-        msg_Err( p_dec, "Input Metadata too small" );
+        msg_Err( p_dec, "avcC too small" );
         return VLC_ENOMEM;
     }
 
     /* Read infos in first 6 bytes */
-    i_profile = (p_buf[1] << 16) | (p_buf[2] << 8) | p_buf[3];
     if (pi_nal_length_size)
         *pi_nal_length_size  = (p_buf[4] & 0x03) + 1;
     p_buf       += 5;
@@ -128,7 +126,7 @@ int convert_sps_pps( decoder_t *p_dec, const uint8_t *p_buf,
     return VLC_SUCCESS;
 }
 
-void convert_h264_to_annexb( uint8_t *p_buf, uint32_t i_len,
+void h264_AVC_to_AnnexB( uint8_t *p_buf, uint32_t i_len,
                              uint8_t i_nal_length_size )
 {
     uint32_t nal_len = 0;
@@ -256,7 +254,7 @@ static int h264_replace_startcode( uint8_t *p_buf,
     return 0;
 }
 
-block_t *convert_annexb_to_h264( block_t *p_block, uint8_t i_nal_length_size )
+block_t *h264_AnnexB_to_AVC( block_t *p_block, uint8_t i_nal_length_size )
 {
     size_t i_startcode_ofs = 0;
     size_t i_startcode_size = 0;
@@ -704,7 +702,7 @@ int h264_parse_pps( const uint8_t *p_pps_buf, int i_pps_size,
     return 0;
 }
 
-block_t *h264_create_avcdec_config_record( uint8_t i_nal_length_size,
+block_t *h264_AnnexB_NAL_to_avcC( uint8_t i_nal_length_size,
                                            const uint8_t *p_sps_buf,
                                            size_t i_sps_size,
                                            const uint8_t *p_pps_buf,

modules/packetizer/h264_nal.h

@@ -118,21 +118,21 @@ static inline void CreateRbspFromNAL( uint8_t **pp_ret, int *pi_ret,
         *pi_ret = nal_to_rbsp(src, dst, i_src);
 }
 
-/* Parse the SPS/PPS Metadata and convert it to annex b format */
-int convert_sps_pps( decoder_t *p_dec, const uint8_t *p_buf,
-                     uint32_t i_buf_size, uint8_t *p_out_buf,
-                     uint32_t i_out_buf_size, uint32_t *p_sps_pps_size,
-                     uint8_t *p_nal_length_size);
-
-/* Convert avcC format to Annex B in-place */
-void convert_h264_to_annexb( uint8_t *p_buf, uint32_t i_len,
+/*
+    AnnexB : [\x00] \x00 \x00 \x01 Prefixed NAL
+    AVC Sample format : NalLengthSize encoded size prefixed NAL
+    avcC: AVCDecoderConfigurationRecord combining SPS & PPS in AVC Sample Format
+*/
+
+/* Convert AVC Sample format to Annex B in-place */
+void h264_AVC_to_AnnexB( uint8_t *p_buf, uint32_t i_len,
                          uint8_t i_nal_length_size );
 
-/* Convert Annex B to avcC format in-place
+/* Convert Annex B to AVC Sample format in-place
  * Returns the same p_block or a new p_block if there is not enough room to put
  * the NAL size. In case of error, NULL is returned and p_block is released.
  * */
-block_t *convert_annexb_to_h264( block_t *p_block, uint8_t i_nal_length_size );
+block_t *h264_AnnexB_to_AVC( block_t *p_block, uint8_t i_nal_length_size );
 
 /* Get the SPS/PPS pointers from an Annex B buffer
  * Returns 0 if a SPS and/or a PPS is found */
@@ -152,12 +152,18 @@ int h264_parse_pps( const uint8_t *p_pps_buf, int i_pps_size,
 
 /* Create a AVCDecoderConfigurationRecord from SPS/PPS
  * Returns a valid block_t on success, must be freed with block_Release */
-block_t *h264_create_avcdec_config_record( uint8_t i_nal_length_size,
+block_t *h264_AnnexB_NAL_to_avcC( uint8_t i_nal_length_size,
                                   const uint8_t *p_sps_buf,
                                   size_t i_sps_size,
                                   const uint8_t *p_pps_buf,
                                   size_t i_pps_size );
 
+/* Convert AVCDecoderConfigurationRecord SPS/PPS to Annex B format */
+int h264_avcC_to_AnnexB_NAL( decoder_t *p_dec, const uint8_t *p_buf,
+                             uint32_t i_buf_size, uint8_t *p_out_buf,
+                             uint32_t i_out_buf_size, uint32_t *p_sps_pps_size,
+                             uint8_t *p_nal_length_size);
+
 /* Get level and Profile */
 bool h264_get_profile_level(const es_format_t *p_fmt, size_t *p_profile,
                             size_t *p_level, uint8_t *p_nal_length_size);