X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=libhb%2Fencvorbis.c;h=ce27ea0211334bb96a9d57124e03b99f8258c4fc;hb=033e32de9c380f54c7d1362a3979da205ebc3a29;hp=4bdb6efeb748f4a836f19ed84aa3defa0b046d5f;hpb=68e3a3c68e1af09f9547b2deca6bc4716e7ee10d;p=handbrake-jp%2Fhandbrake-jp-git.git

diff --git a/libhb/encvorbis.c b/libhb/encvorbis.c
index 4bdb6efe..ce27ea02 100644
--- a/libhb/encvorbis.c
+++ b/libhb/encvorbis.c
@@ -1,7 +1,7 @@
 /* $Id: encvorbis.c,v 1.6 2005/03/05 15:08:32 titer Exp $
 
    This file is part of the HandBrake source code.
-   Homepage: <http://handbrake.m0k.org/>.
+   Homepage: <http://handbrake.fr/>.
    It may be used under the terms of the GNU General Public License. */
 
 #include "hb.h"
@@ -37,33 +37,66 @@ struct hb_work_private_s
     uint64_t        pts;
 
     hb_list_t     * list;
+    int           out_discrete_channels;
+    int           channel_map[6];
+    int64_t       prev_blocksize;
 };
 
 int encvorbisInit( hb_work_object_t * w, hb_job_t * job )
 {
+    hb_audio_t * audio = w->audio;
     int i;
     ogg_packet header[3];
+    struct ovectl_ratemanage2_arg  ctl_rate_arg;
 
     hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
     w->private_data = pv;
+    pv->out_discrete_channels = HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->config.out.mixdown);
 
     pv->job   = job;
 
     hb_log( "encvorbis: opening libvorbis" );
 
+    /* 28kbps/channel seems to be the minimum for 6ch vorbis. */
+    int min_bitrate = 28 * pv->out_discrete_channels;
+    if (pv->out_discrete_channels > 2 && audio->config.out.bitrate < min_bitrate)
+    {
+        hb_log( "encvorbis: Selected bitrate (%d kbps) too low for %d channel audio.", audio->config.out.bitrate, pv->out_discrete_channels);
+        hb_log( "encvorbis: Resetting bitrate to %d kbps", min_bitrate);
+        /* Naughty! We shouldn't modify the audio from here. */
+        audio->config.out.bitrate = min_bitrate;
+    }
+
     /* init */
     vorbis_info_init( &pv->vi );
-    if( vorbis_encode_setup_managed( &pv->vi, 2,
-          job->arate, -1, 1000 * job->abitrate, -1 ) ||
-        vorbis_encode_ctl( &pv->vi, OV_ECTL_RATEMANAGE_AVG, NULL ) ||
+    if( vorbis_encode_setup_managed( &pv->vi, pv->out_discrete_channels,
+          audio->config.out.samplerate, -1, 1000 * audio->config.out.bitrate, -1 ) )
+    {
+        hb_error( "encvorbis: vorbis_encode_setup_managed failed.\n" );
+        *job->die = 1;
+        return 0;
+    }
+
+    if( vorbis_encode_ctl( &pv->vi, OV_ECTL_RATEMANAGE2_GET, &ctl_rate_arg) )
+    {
+        hb_log( "encvorbis: vorbis_encode_ctl( ratemanage2_get ) failed" );
+    }
+
+    ctl_rate_arg.bitrate_average_kbps = audio->config.out.bitrate;
+    ctl_rate_arg.management_active = 1;
+
+    if( vorbis_encode_ctl( &pv->vi, OV_ECTL_RATEMANAGE2_SET, &ctl_rate_arg ) ||
           vorbis_encode_setup_init( &pv->vi ) )
     {
-        hb_log( "encvorbis: vorbis_encode_setup_managed failed" );
+        hb_error( "encvorbis: vorbis_encode_ctl( ratemanage2_set ) OR vorbis_encode_setup_init failed.\n" );
+        *job->die = 1;
+        return 0;
     }
 
     /* add a comment */
     vorbis_comment_init( &pv->vc );
     vorbis_comment_add_tag( &pv->vc, "Encoder", "HandBrake");
+    vorbis_comment_add_tag( &pv->vc, "LANGUAGE", w->config->vorbis.language);
 
     /* set up the analysis state and auxiliary encoding storage */
     vorbis_analysis_init( &pv->vd, &pv->vi);
@@ -80,11 +113,45 @@ int encvorbisInit( hb_work_object_t * w, hb_job_t * job )
                 header[i].packet, header[i].bytes );
     }
 
-    pv->input_samples = 2 * OGGVORBIS_FRAME_SIZE;
+    pv->input_samples = pv->out_discrete_channels * OGGVORBIS_FRAME_SIZE;
     pv->buf = malloc( pv->input_samples * sizeof( float ) );
 
     pv->list = hb_list_init();
 
+    switch (pv->out_discrete_channels) {
+        case 1:
+            pv->channel_map[0] = 0;
+            break;
+        case 6:
+            // Vorbis use the following channels map = L C R Ls Rs Lfe
+            if( audio->config.in.codec == HB_ACODEC_AC3 )
+            {
+                pv->channel_map[0] = 1;
+                pv->channel_map[1] = 2;
+                pv->channel_map[2] = 3;
+                pv->channel_map[3] = 4;
+                pv->channel_map[4] = 5;
+                pv->channel_map[5] = 0;
+            }
+            else
+            {
+                pv->channel_map[0] = 1;
+                pv->channel_map[1] = 0;
+                pv->channel_map[2] = 2;
+                pv->channel_map[3] = 3;
+                pv->channel_map[4] = 4;
+                pv->channel_map[5] = 5;
+            }
+            break;
+        default:
+            hb_log("encvorbis.c: Unable to correctly proccess %d channels, assuming stereo.", pv->out_discrete_channels);
+        case 2:
+            // Assume stereo
+            pv->channel_map[0] = 0;
+            pv->channel_map[1] = 1;
+            break;
+    }
+
     return 0;
 }
 
@@ -95,6 +162,19 @@ int encvorbisInit( hb_work_object_t * w, hb_job_t * job )
  **********************************************************************/
 void encvorbisClose( hb_work_object_t * w )
 {
+    hb_work_private_t * pv = w->private_data;
+
+    vorbis_block_clear( &pv->vb );
+    vorbis_dsp_clear( &pv->vd );
+    vorbis_comment_clear( &pv->vc );
+    vorbis_info_clear( &pv->vi );
+
+    if (pv->list)
+        hb_list_empty( &pv->list );
+
+    free( pv->buf );
+    free( pv );
+    w->private_data = NULL;
 }
 
 /***********************************************************************
@@ -106,6 +186,7 @@ static hb_buffer_t * Flush( hb_work_object_t * w )
 {
     hb_work_private_t * pv = w->private_data;
     hb_buffer_t * buf;
+    int64_t     blocksize = 0;
 
     if( vorbis_analysis_blockout( &pv->vd, &pv->vb ) == 1 )
     {
@@ -120,12 +201,12 @@ static hb_buffer_t * Flush( hb_work_object_t * w )
             memcpy( buf->data, &op, sizeof( ogg_packet ) );
             memcpy( buf->data + sizeof( ogg_packet ), op.packet,
                     op.bytes );
-            buf->key   = 1;
-            buf->start = pv->pts; /* No exact, but who cares - the OGM
-                                    muxer doesn't use it */
-            buf->stop  = buf->start +
-                90000 * OGGVORBIS_FRAME_SIZE + pv->job->arate;
-
+            blocksize = vorbis_packet_blocksize(&pv->vi, &op);
+            buf->frametype   = HB_FRAME_AUDIO;
+            buf->start = (int64_t)(vorbis_granule_time(&pv->vd, op.granulepos) * 90000);
+            buf->stop  = (int64_t)(vorbis_granule_time(&pv->vd, (pv->prev_blocksize + blocksize)/4 + op.granulepos) * 90000);
+            /* The stop time isn't accurate for the first ~3 packets, as the actual blocksize depends on the previous _and_ current packets. */
+            pv->prev_blocksize = blocksize;
             return buf;
         }
     }
@@ -143,7 +224,7 @@ static hb_buffer_t * Encode( hb_work_object_t * w )
     hb_work_private_t * pv = w->private_data;
     hb_buffer_t * buf;
     float ** buffer;
-    int i;
+    int i, j;
 
     /* Try to extract more data */
     if( ( buf = Flush( w ) ) )
@@ -162,8 +243,10 @@ static hb_buffer_t * Encode( hb_work_object_t * w )
     buffer = vorbis_analysis_buffer( &pv->vd, OGGVORBIS_FRAME_SIZE );
     for( i = 0; i < OGGVORBIS_FRAME_SIZE; i++ )
     {
-        buffer[0][i] = ((float *) pv->buf)[2*i]   / 32768.f;
-        buffer[1][i] = ((float *) pv->buf)[2*i+1] / 32768.f;
+        for( j = 0; j < pv->out_discrete_channels; j++)
+        {
+            buffer[j][i] = ((float *) pv->buf)[(pv->out_discrete_channels * i + pv->channel_map[j])] / 32768.f;
+        }
     }
     vorbis_analysis_wrote( &pv->vd, OGGVORBIS_FRAME_SIZE );
 
@@ -182,6 +265,14 @@ int encvorbisWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
     hb_work_private_t * pv = w->private_data;
     hb_buffer_t * buf;
 
+    if ( (*buf_in)->size <= 0 )
+    {
+        /* EOF on input - send it downstream & say we're done */
+        *buf_out = *buf_in;
+        *buf_in = NULL;
+       return HB_WORK_DONE;
+    }
+
     hb_list_add( pv->list, *buf_in );
     *buf_in = NULL;