Realv3: support for broken streams that speciy a wrong FourCC

[vlc] / modules / codec / faad.c

diff --git a/modules/codec/faad.c b/modules/codec/faad.c
index dc33496be6a4b6a41cb2521ef4a6185a85760e3b..6fd6e3e346e81dbeef07e6bd5febe6116ad05ea2 100644 (file)
--- a/modules/codec/faad.c
+++ b/modules/codec/faad.c
@@ -23,8 +23,9 @@
  *****************************************************************************/
 
 #include <vlc/vlc.h>
-#include <vlc/aout.h>
-#include <vlc/decoder.h>
+#include <vlc_aout.h>
+#include <vlc_codec.h>
+#include <vlc_input.h>
 
 #include <faad.h>
 
@@ -66,6 +67,10 @@ 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;
+
+    int i_input_rate;
 };
 
 static const uint32_t pi_channels_in[MAX_CHANNEL_POSITIONS] =
@@ -118,7 +123,7 @@ static int Open( vlc_object_t *p_this )
     aout_DateSet( &p_sys->date, 0 );
     p_dec->fmt_out.i_cat = AUDIO_ES;
 
-    if (p_this->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
+    if (vlc_CPU() & CPU_CAPABILITY_FPU)
         p_dec->fmt_out.i_codec = VLC_FOURCC('f','l','3','2');
     else
         p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE;
@@ -153,7 +158,7 @@ static int Open( vlc_object_t *p_this )
 
     /* Set the faad config */
     cfg = faacDecGetCurrentConfiguration( p_sys->hfaad );
-    if (p_this->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
+    if (vlc_CPU() & CPU_CAPABILITY_FPU)
         cfg->outputFormat = FAAD_FMT_FLOAT;
     else
         cfg->outputFormat = FAAD_FMT_16BIT;
@@ -163,9 +168,12 @@ static int Open( vlc_object_t *p_this )
     p_sys->i_buffer = p_sys->i_buffer_size = 0;
     p_sys->p_buffer = 0;
 
+    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_sys->b_sbr = p_sys->b_ps = VLC_FALSE;
     return VLC_SUCCESS;
 }
 
@@ -187,6 +195,9 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         return NULL;
     }
 
+    if( p_block->i_rate > 0 )
+        p_sys->i_input_rate = p_block->i_rate;
+
     /* Append the block to the temporary buffer */
     if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
     {
@@ -311,28 +322,51 @@ 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;
 
+        /* 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" :
+                                    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;
+        }
 
         /* Convert frame.channel_position to our own channel values */
+        p_dec->fmt_out.audio.i_physical_channels = 0;
         for( i = 0; i < frame.channels; i++ )
         {
             /* Find the channel code */
             for( j = 0; j < MAX_CHANNEL_POSITIONS; j++ )
             {
                 if( frame.channel_position[i] == pi_channels_in[j] )
-                {
-                    p_sys->pi_channel_positions[i] = pi_channels_out[j];
-                    p_dec->fmt_out.audio.i_physical_channels |=
-                        pi_channels_out[j];
                     break;
-                }
             }
-
-            if( j == MAX_CHANNEL_POSITIONS )
+            if( j >= MAX_CHANNEL_POSITIONS )
             {
                 msg_Warn( p_dec, "unknown channel ordering" );
-                block_Release( p_block );
-                return NULL;
+                /* Invent something */
+                j = i;
             }
+            /* */
+            p_sys->pi_channel_positions[i] = pi_channels_out[j];
+            if( p_dec->fmt_out.audio.i_physical_channels & pi_channels_out[j] )
+                frame.channels--; /* We loose a duplicated channel */
+            else
+                p_dec->fmt_out.audio.i_physical_channels |= pi_channels_out[j];
         }
         p_dec->fmt_out.audio.i_original_channels =
             p_dec->fmt_out.audio.i_physical_channels;
@@ -347,7 +381,7 @@ static aout_buffer_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
 
         p_out->start_date = aout_DateGet( &p_sys->date );
         p_out->end_date = aout_DateIncrement( &p_sys->date,
-                                              frame.samples / frame.channels );
+            (frame.samples / frame.channels) * p_sys->i_input_rate / INPUT_RATE_DEFAULT );
 
         DoReordering( p_dec, (uint32_t *)p_out->p_buffer, samples,
                       frame.samples / frame.channels, frame.channels,
@@ -376,6 +410,7 @@ 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 );
 }
 
@@ -391,9 +426,9 @@ static void DoReordering( decoder_t *p_dec,
     int i, j, k;
 
     /* Find the channels mapping */
-    for( i = 0, j = 0; i < MAX_CHANNEL_POSITIONS; i++ )
+    for( k = 0, j = 0; k < i_nb_channels; k++ )
     {
-        for( k = 0; k < i_nb_channels; k++ )
+        for( i = 0; i < MAX_CHANNEL_POSITIONS; i++ )
         {
             if( pi_channels_ordered[i] == pi_chan_positions[k] )
             {
@@ -404,7 +439,7 @@ static void DoReordering( decoder_t *p_dec,
     }
 
     /* Do the actual reordering */
-    if( p_dec->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU )
+    if( vlc_CPU() & CPU_CAPABILITY_FPU )
         for( i = 0; i < i_samples; i++ )
             for( j = 0; j < i_nb_channels; j++ )
                 p_out[i * i_nb_channels + pi_chan_table[j]] =