]> git.sesse.net Git - vlc/blobdiff - modules/codec/faad.c
Use vlc_memset/vlc_memcpy
[vlc] / modules / codec / faad.c
index b9c7dfd33b35298b2049736983c36452fdc2bd8d..cc39540fcdfd1e0c916eb346823f335f5ce2598b 100644 (file)
@@ -71,7 +71,7 @@ struct decoder_sys_t
     /* Channel positions of the current stream (for re-ordering) */
     uint32_t pi_channel_positions[MAX_CHANNEL_POSITIONS];
 
-    vlc_bool_t b_sbr, b_ps;
+    bool b_sbr, b_ps;
 
     int i_input_rate;
 };
@@ -188,14 +188,14 @@ static int Open( vlc_object_t *p_this )
 
     /* buffer */
     p_sys->i_buffer = p_sys->i_buffer_size = 0;
-    p_sys->p_buffer = 0;
+    p_sys->p_buffer = NULL;
 
     p_sys->i_input_rate = INPUT_RATE_DEFAULT;
 
     /* Faad2 can't deal with truncated data (eg. from MPEG TS) */
-    p_dec->b_need_packetized = VLC_TRUE;
+    p_dec->b_need_packetized = true;
 
-    p_sys->b_sbr = p_sys->b_ps = VLC_FALSE;
+    p_sys->b_sbr = p_sys->b_ps = false;
     return VLC_SUCCESS;
 }
 
@@ -220,6 +220,25 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
     if( p_block->i_rate > 0 )
         p_sys->i_input_rate = p_block->i_rate;
 
+    /* Remove ADTS header if we have decoder specific config */
+    if( p_dec->fmt_in.i_extra && p_block->i_buffer > 7 )
+    {
+        if( p_block->p_buffer[0] == 0xff &&
+            ( p_block->p_buffer[1] & 0xf0 ) == 0xf0 ) /* syncword */
+        {   /* ADTS header present */
+            size_t i_header_size; /* 7 bytes (+ 2 bytes for crc) */
+            i_header_size = 7 + ( ( p_block->p_buffer[1] & 0x01 ) ? 0 : 2 );
+            /* FIXME: multiple blocks per frame */
+            if( p_block->i_buffer > i_header_size )
+            {
+                vlc_memcpy( p_block->p_buffer,
+                            p_block->p_buffer + i_header_size,
+                            p_block->i_buffer - i_header_size );
+                p_block->i_buffer -= i_header_size;
+            }
+        }
+    }
+
     /* Append the block to the temporary buffer */
     if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
     {
@@ -227,10 +246,10 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         p_sys->p_buffer = realloc( p_sys->p_buffer, p_sys->i_buffer_size );
     }
 
-    if( p_block->i_buffer )
+    if( p_block->i_buffer > 0 )
     {
-        memcpy( &p_sys->p_buffer[p_sys->i_buffer],
-                p_block->p_buffer, p_block->i_buffer );
+        vlc_memcpy(, &p_sys->p_buffer[p_sys->i_buffer],
+                     p_block->p_buffer, p_block->i_buffer );
         p_sys->i_buffer += p_block->i_buffer;
         p_block->i_buffer = 0;
     }
@@ -247,6 +266,10 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         {
             p_dec->fmt_out.audio.i_rate = i_rate;
             p_dec->fmt_out.audio.i_channels = i_channels;
+            p_dec->fmt_out.audio.i_physical_channels
+                = p_dec->fmt_out.audio.i_original_channels
+                = pi_channels_guessed[i_channels];
+
             aout_DateInit( &p_sys->date, i_rate );
         }
     }
@@ -267,6 +290,9 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
 
         p_dec->fmt_out.audio.i_rate = i_rate;
         p_dec->fmt_out.audio.i_channels = i_channels;
+        p_dec->fmt_out.audio.i_physical_channels
+            = p_dec->fmt_out.audio.i_original_channels
+            = pi_channels_guessed[i_channels];
         aout_DateInit( &p_sys->date, i_rate );
     }
 
@@ -343,28 +369,33 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
 
         p_dec->fmt_out.audio.i_rate = frame.samplerate;
         p_dec->fmt_out.audio.i_channels = frame.channels;
+        p_dec->fmt_out.audio.i_physical_channels
+            = p_dec->fmt_out.audio.i_original_channels
+            = pi_channels_guessed[frame.channels];
 
         /* Adjust stream info when dealing with SBR/PS */
         if( (p_sys->b_sbr != frame.sbr || p_sys->b_ps != frame.ps) &&
             p_dec->p_parent->i_object_type == VLC_OBJECT_INPUT )
         {
-          input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
-          char *psz_cat;
-          const char *psz_ext = (frame.sbr && frame.ps) ? "SBR+PS" :
+            input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
+            char *psz_cat;
+            const char *psz_ext = (frame.sbr && frame.ps) ? "SBR+PS" :
                                     frame.sbr ? "SBR" : "PS";
 
-          msg_Dbg( p_dec, "AAC %s (channels: %u, samplerate: %lu)",
-                   psz_ext, frame.channels, frame.samplerate );
-
-          asprintf( &psz_cat, _("Stream %d"), p_dec->fmt_in.i_id );
-          input_Control( p_input, INPUT_ADD_INFO, psz_cat,
-                          _("AAC extension"), "%s", psz_ext );
-          input_Control( p_input, INPUT_ADD_INFO, psz_cat,
-                         _("Channels"), "%d", frame.channels );
-          input_Control( p_input, INPUT_ADD_INFO, psz_cat,
-                         _("Sample rate"), _("%d Hz"), frame.samplerate );
-          free( psz_cat );
-          p_sys->b_sbr = frame.sbr; p_sys->b_ps = frame.ps;
+            msg_Dbg( p_dec, "AAC %s (channels: %u, samplerate: %lu)",
+                    psz_ext, frame.channels, frame.samplerate );
+
+            if( asprintf( &psz_cat, _("Stream %d"), p_dec->fmt_in.i_id ) != -1 )
+            {
+                input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+                            _("AAC extension"), "%s", psz_ext );
+                input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+                            _("Channels"), "%d", frame.channels );
+                input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+                            _("Sample rate"), _("%d Hz"), frame.samplerate );
+                free( psz_cat );
+            }
+            p_sys->b_sbr = frame.sbr; p_sys->b_ps = frame.ps;
         }
 
         /* Convert frame.channel_position to our own channel values */
@@ -432,7 +463,7 @@ static void Close( vlc_object_t *p_this )
     decoder_sys_t *p_sys = p_dec->p_sys;
 
     faacDecClose( p_sys->hfaad );
-    if( p_sys->p_buffer ) free( p_sys->p_buffer );
+    free( p_sys->p_buffer );
     free( p_sys );
 }
 
@@ -471,3 +502,4 @@ static void DoReordering( uint32_t *p_out, uint32_t *p_in, int i_samples,
                 ((uint16_t *)p_out)[i * i_nb_channels + pi_chan_table[j]] =
                     ((uint16_t *)p_in)[i * i_nb_channels + j];
 }
+