HandBrake 0.7.0

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@16 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 364 insertions, 0 deletions

diff --git a/libhb/muxogm.c b/libhb/muxogm.c
new file mode 100644
index 000000000..d326c9828
--- /dev/null
+++ b/libhb/muxogm.c
@@ -0,0 +1,364 @@
+/* $Id: muxogm.c,v 1.4 2005/02/20 00:41:56 titer Exp $
+
+   This file is part of the HandBrake source code.
+   Homepage: <http://handbrake.m0k.org/>.
+   It may be used under the terms of the GNU General Public License. */
+
+#include "hb.h"
+
+#include <ogg/ogg.h>
+
+struct hb_mux_object_s
+{
+    HB_MUX_COMMON;
+
+    hb_job_t * job;
+
+    FILE * file;
+};
+
+struct hb_mux_data_s
+{
+    int              codec;
+    ogg_stream_state os;
+    int              i_packet_no;                                               
+};
+
+typedef struct __attribute__((__packed__))
+{
+    uint8_t i_packet_type;
+
+    char stream_type[8];
+    char sub_type[4];
+
+    int32_t i_size;
+
+    int64_t i_time_unit;
+    int64_t i_samples_per_unit;
+    int32_t i_default_len;
+
+    int32_t i_buffer_size;
+    int16_t i_bits_per_sample;
+    int16_t i_padding_0;            // hum hum
+    union
+    {
+        struct
+        {
+            int32_t i_width;
+            int32_t i_height;
+
+        } video;
+        struct
+        {
+            int16_t i_channels;
+            int16_t i_block_align;
+            int32_t i_avgbytespersec;
+        } audio;
+    } header;
+
+} ogg_stream_header_t;
+
+#define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
+static void _SetWLE( uint8_t *p, uint16_t i_dw )
+{
+    p[1] = ( i_dw >>  8 )&0xff;
+    p[0] = ( i_dw       )&0xff;
+}
+
+#define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
+static void _SetDWLE( uint8_t *p, uint32_t i_dw )
+{
+    p[3] = ( i_dw >> 24 )&0xff;
+    p[2] = ( i_dw >> 16 )&0xff;
+    p[1] = ( i_dw >>  8 )&0xff;
+    p[0] = ( i_dw       )&0xff;
+}
+#define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
+static void _SetQWLE( uint8_t *p, uint64_t i_qw )
+{
+    SetDWLE( p,   i_qw&0xffffffff );
+    SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
+}
+
+static int OGMFlush( hb_mux_object_t * m, hb_mux_data_t * mux_data )
+{
+    for( ;; )
+    {
+        ogg_page og;
+        if( ogg_stream_flush( &mux_data->os, &og ) == 0 )
+        {
+            break;
+        }
+        if( fwrite( og.header, og.header_len, 1, m->file ) <= 0 ||
+            fwrite( og.body, og.body_len, 1, m->file ) <= 0 )
+        {
+            return -1;
+        }
+    }
+    return 0;
+}                                                                               
+
+/**********************************************************************
+ * OGMInit
+ **********************************************************************
+ * Allocates hb_mux_data_t structures, create file and write headers
+ *********************************************************************/
+static int OGMInit( hb_mux_object_t * m )
+{
+    hb_job_t   * job   = m->job;
+    hb_title_t * title = job->title;
+    
+    hb_audio_t    * audio;
+    hb_mux_data_t * mux_data;
+    int i;
+
+    ogg_packet          op;
+    ogg_stream_header_t h;
+
+    /* Open output file */
+    if( ( m->file = fopen( job->file, "wb" ) ) == NULL )
+    {
+        hb_log( "muxogm: failed to open `%s'", job->file );
+        return -1;
+    }
+    hb_log( "muxogm: `%s' opened", job->file );
+
+    /* Video track */
+    mux_data              = malloc( sizeof( hb_mux_data_t ) );
+    mux_data->codec       = job->vcodec;
+    mux_data->i_packet_no = 0;
+    job->mux_data         = mux_data;
+    ogg_stream_init( &mux_data->os, 0 );
+
+    /* Audio */
+    for( i = 0; i < hb_list_count( title->list_audio ); i++ )
+    {
+        audio                 = hb_list_item( title->list_audio, i );
+        mux_data              = malloc( sizeof( hb_mux_data_t ) );
+        mux_data->codec       = job->acodec;
+        mux_data->i_packet_no = 0;
+        audio->mux_data       = mux_data;
+        ogg_stream_init( &mux_data->os, i + 1 );
+    }
+
+
+    /* First pass: all b_o_s packets */
+
+    /* Video */
+    mux_data = job->mux_data;
+    memset( &h, 0, sizeof( ogg_stream_header_t ) );
+    h.i_packet_type = 0x01;
+    memcpy( h.stream_type, "video    ", 8 );
+    if( mux_data->codec == HB_VCODEC_X264 )
+    {
+        memcpy( h.sub_type, "H264", 4 );
+    }
+    else if( mux_data->codec == HB_VCODEC_XVID )
+    {
+        memcpy( h.sub_type, "XVID", 4 );
+    }
+    else
+    {
+        memcpy( h.sub_type, "DX50", 4 );
+    }
+    SetDWLE( &h.i_size, sizeof( ogg_stream_header_t ) - 1);
+    SetQWLE( &h.i_time_unit, (int64_t) 10 * 1000 * 1000 *
+             (int64_t) job->vrate_base / (int64_t) job->vrate );
+    SetQWLE( &h.i_samples_per_unit, 1 );
+    SetDWLE( &h.i_default_len, 0 );
+    SetDWLE( &h.i_buffer_size, 1024*1024 );
+    SetWLE ( &h.i_bits_per_sample, 0 );
+    SetDWLE( &h.header.video.i_width,  job->width );
+    SetDWLE( &h.header.video.i_height, job->height );
+    op.packet   = (char*)&h;
+    op.bytes    = sizeof( ogg_stream_header_t );
+    op.b_o_s    = 1;
+    op.e_o_s    = 0;
+    op.granulepos = 0;
+    op.packetno = mux_data->i_packet_no++;
+    ogg_stream_packetin( &mux_data->os, &op );
+    OGMFlush( m, mux_data );
+
+    /* Audio */
+    for( i = 0; i < hb_list_count( title->list_audio ); i++ )
+    {
+        audio   = hb_list_item( title->list_audio, i );
+        mux_data = audio->mux_data;
+        memset( &h, 0, sizeof( ogg_stream_header_t ) );
+        switch( job->acodec )
+        {
+            case HB_ACODEC_LAME:
+            {
+                h.i_packet_type = 0x01;
+                memcpy( h.stream_type, "audio    ", 8 );
+                memcpy( h.sub_type, "55  ", 4 );
+
+                SetDWLE( &h.i_size, sizeof( ogg_stream_header_t ) - 1);
+                SetQWLE( &h.i_time_unit, 0 );
+                SetQWLE( &h.i_samples_per_unit, job->arate );
+                SetDWLE( &h.i_default_len, 1 );
+                SetDWLE( &h.i_buffer_size, 30 * 1024 );
+                SetWLE ( &h.i_bits_per_sample, 0 );
+
+                SetDWLE( &h.header.audio.i_channels, 2 ); 
+                SetDWLE( &h.header.audio.i_block_align, 0 );
+                SetDWLE( &h.header.audio.i_avgbytespersec,
+                         job->abitrate / 8 );
+
+                op.packet   = (char*) &h;
+                op.bytes    = sizeof( ogg_stream_header_t );
+                op.b_o_s    = 1;
+                op.e_o_s    = 0;
+                op.granulepos = 0;
+                op.packetno = mux_data->i_packet_no++;
+                ogg_stream_packetin( &mux_data->os, &op );
+                break;
+            }
+            case HB_ACODEC_VORBIS:
+            {
+                memcpy( &op, audio->config.vorbis.headers[0],
+                        sizeof( ogg_packet ) );
+                op.packet = audio->config.vorbis.headers[0] +
+                                sizeof( ogg_packet );
+                ogg_stream_packetin( &mux_data->os, &op );
+                break;
+            }
+            default:
+                hb_log( "muxogm: unhandled codec" );
+                break;
+        }
+        OGMFlush( m, mux_data );
+    }
+
+    /* second pass: all non b_o_s packets */
+    for( i = 0; i < hb_list_count( title->list_audio ); i++ )
+    {
+        audio = hb_list_item( title->list_audio, i );
+        if( job->acodec == HB_ACODEC_VORBIS )
+        {
+            int       j;
+            mux_data = audio->mux_data;
+
+            for( j = 1; j < 3; j++ )
+            {
+                memcpy( &op, audio->config.vorbis.headers[j],
+                        sizeof( ogg_packet ) );
+                op.packet = audio->config.vorbis.headers[j] +
+                                sizeof( ogg_packet );
+                ogg_stream_packetin( &mux_data->os, &op );
+
+                OGMFlush( m, mux_data );
+            }
+        }
+    }
+    hb_log( "muxogm: headers written" );
+
+    return 0;
+}
+
+static int OGMMux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
+                   hb_buffer_t * buf )
+{
+    ogg_packet   op;
+
+    switch( mux_data->codec )
+    {
+        case HB_VCODEC_FFMPEG:
+        case HB_VCODEC_XVID:
+        case HB_VCODEC_X264:
+            op.bytes  = buf->size + 1;
+            op.packet = malloc( op.bytes );
+            op.packet[0] = buf->key ? 0x08 : 0x00;
+            memcpy( &op.packet[1], buf->data, buf->size );
+            op.b_o_s       = 0;
+            op.e_o_s       = 0;
+            op.granulepos  = mux_data->i_packet_no;
+            op.packetno    = mux_data->i_packet_no++;
+            break;
+        case HB_ACODEC_LAME:
+            op.bytes  = buf->size + 1;
+            op.packet = malloc( op.bytes );
+            op.packet[0] = 0x08;
+            memcpy( &op.packet[1], buf->data, buf->size );
+            op.b_o_s       = 0;
+            op.e_o_s       = 0;
+            op.granulepos  = mux_data->i_packet_no * 1152;
+            op.packetno    = mux_data->i_packet_no++;
+            break;
+        case HB_ACODEC_VORBIS:
+            memcpy( &op, buf->data, sizeof( ogg_packet ) );
+            op.packet = malloc( op.bytes );
+            memcpy( op.packet, buf->data + sizeof( ogg_packet ), op.bytes );
+            break;
+
+        default:
+            hb_log( "muxogm: unhandled codec" );
+            op.bytes = 0;
+            op.packet = NULL;
+            break;
+    }
+
+    if( op.packet )
+    {
+        ogg_stream_packetin( &mux_data->os, &op );
+
+        for( ;; )
+        {
+            ogg_page og;
+            if( ogg_stream_pageout( &mux_data->os, &og ) == 0 )
+            {
+                break;
+            }
+
+            if( fwrite( og.header, og.header_len, 1, m->file ) <= 0 ||
+                fwrite( og.body, og.body_len, 1, m->file ) <= 0 )
+            {
+                hb_log( "muxogm: write failed" );
+                break;
+            }
+        }
+        free( op.packet );
+    }
+    return 0; 
+}
+
+static int OGMEnd( hb_mux_object_t * m )
+{
+    hb_job_t * job = m->job;
+
+    hb_title_t * title = job->title;
+    hb_audio_t    * audio;
+    hb_mux_data_t * mux_data;
+    int          i;
+
+    mux_data = job->mux_data;
+    if( OGMFlush( m, mux_data ) < 0 )
+    {
+        return -1;
+    }
+    for( i = 0; i < hb_list_count( title->list_audio ); i++ )
+    {
+        audio = hb_list_item( title->list_audio, i );
+        mux_data = audio->mux_data;
+        if( OGMFlush( m, mux_data ) < 0 )
+        {
+            return -1;
+        }
+    }
+
+    fclose( m->file );
+    hb_log( "muxogm: `%s' closed", job->file );
+    
+    return 0;
+}
+
+hb_mux_object_t * hb_mux_ogm_init( hb_job_t * job )
+{
+    hb_mux_object_t * m = calloc( sizeof( hb_mux_object_t ), 1 );
+    m->init      = OGMInit;
+    m->mux       = OGMMux;
+    m->end       = OGMEnd;
+    m->job       = job;
+    return m;
+}
+