Skip to content

V
vlc-1.1
Commit 65a29b12 authored by Gildas Bazin's avatar Gildas Bazin
Browse files
Options

* modules/codec/realaudio.c: subpackets re-ordering is now done in the demuxer.

parent ccc4b2ca
Show whitespace changes
Inline Side-by-side
Showing with 85 additions and 168 deletions
modules/codec/realaudio.c
View file @ 65a29b12
......@@ -79,26 +79,13 @@ struct decoder_sys_t
{
audio_date_t end_date;
/* Frame buffer for data reordering */
int i_subpacket;
mtime_t i_packet_pts;
int i_frame_size;
char *p_frame;
int i_frame;
/* Output buffer */
char *p_out_buffer;
char *p_out;
unsigned int i_out;
/* Codec params */
void *context;
int i_subpacket_size;
int i_subpacket_h;
int i_codec_flavor;
int i_coded_frame_size;
int i_extra;
uint8_t *p_extra;
void *dll;
unsigned long (*raCloseCodec)(void*);
......@@ -201,14 +188,17 @@ static int Open( vlc_object_t *p_this )
p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
memset( p_sys, 0, sizeof(decoder_sys_t) );
if( p_dec->fmt_in.i_extra >= 10 )
p_sys->i_codec_flavor = -1;
if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','i','p','r') )
{
p_sys->i_subpacket_size = ((short *)(p_dec->fmt_in.p_extra))[0];
p_sys->i_subpacket_h = ((short *)(p_dec->fmt_in.p_extra))[1];
p_sys->i_codec_flavor = ((short *)(p_dec->fmt_in.p_extra))[2];
p_sys->i_coded_frame_size = ((short *)(p_dec->fmt_in.p_extra))[3];
p_sys->i_extra = ((short*)(p_dec->fmt_in.p_extra))[4];
p_sys->p_extra = p_dec->fmt_in.p_extra + 10;
if( p_dec->fmt_in.audio.i_bitspersample > 1531 )
p_sys->i_codec_flavor = 3;
else if( p_dec->fmt_in.audio.i_bitspersample > 937 )
p_sys->i_codec_flavor = 1;
else if( p_dec->fmt_in.audio.i_bitspersample > 719 )
p_sys->i_codec_flavor = 0;
else
p_sys->i_codec_flavor = 2;
}
if( OpenDll( p_dec ) != VLC_SUCCESS )
......@@ -235,15 +225,7 @@ static int Open( vlc_object_t *p_this )
p_dec->pf_decode_audio = Decode;
p_sys->i_frame_size =
p_dec->fmt_in.audio.i_blockalign * p_sys->i_subpacket_h;
p_sys->p_frame = malloc( p_sys->i_frame_size );
p_sys->i_packet_pts = 0;
p_sys->i_subpacket = 0;
p_sys->i_frame = 0;
p_sys->p_out_buffer = malloc( 4096 * 10 );
p_sys->p_out = 0;
p_sys->p_out = malloc( 4096 * 10 );
p_sys->i_out = 0;
return VLC_SUCCESS;
......@@ -257,8 +239,7 @@ static void Close( vlc_object_t *p_this )
decoder_t *p_dec = (decoder_t*)p_this;
CloseDll( p_dec );
if( p_dec->p_sys->p_frame ) free( p_dec->p_sys->p_frame );
if( p_dec->p_sys->p_out_buffer ) free( p_dec->p_sys->p_out_buffer );
if( p_dec->p_sys->p_out ) free( p_dec->p_sys->p_out );
free( p_dec->p_sys );
}
......@@ -379,9 +360,9 @@ static int OpenNativeDll( decoder_t *p_dec, char *psz_path, char *psz_dll )
p_dec->fmt_in.audio.i_bitspersample,
p_dec->fmt_in.audio.i_channels,
100, /* quality */
p_sys->i_subpacket_size,
p_sys->i_coded_frame_size,
p_sys->i_extra, p_sys->p_extra
p_dec->fmt_in.audio.i_blockalign, /* subpacket size */
p_dec->fmt_in.audio.i_blockalign, /* coded frame size */
p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra
};
msg_Dbg( p_dec, "opening library '%s'", psz_dll );
......@@ -431,6 +412,8 @@ static int OpenNativeDll( decoder_t *p_dec, char *psz_path, char *psz_dll )
goto error_native;
}
if( p_sys->i_codec_flavor >= 0 )
{
i_result = p_sys->raSetFlavor( context, p_sys->i_codec_flavor );
if( i_result )
{
......@@ -452,6 +435,7 @@ static int OpenNativeDll( decoder_t *p_dec, char *psz_path, char *psz_dll )
msg_Dbg( p_dec, "audio bitrate: %5.3f kbit/s (%d bps)",
(*((int*)p_prop))*0.001f, i_bps );
}
}
p_sys->context = context;
p_sys->dll = handle;
......@@ -481,9 +465,9 @@ static int OpenWin32Dll( decoder_t *p_dec, char *psz_path, char *psz_dll )
p_dec->fmt_in.audio.i_bitspersample,
p_dec->fmt_in.audio.i_channels,
100, /* quality */
p_sys->i_subpacket_size,
p_sys->i_coded_frame_size,
p_sys->i_extra, p_sys->p_extra
p_dec->fmt_in.audio.i_blockalign, /* subpacket size */
p_dec->fmt_in.audio.i_blockalign, /* coded frame size */
p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra
};
msg_Dbg( p_dec, "opening win32 dll '%s'", psz_dll );
......@@ -540,6 +524,8 @@ static int OpenWin32Dll( decoder_t *p_dec, char *psz_path, char *psz_dll )
goto error_win32;
}
if( p_sys->i_codec_flavor >= 0 )
{
i_result = p_sys->wraSetFlavor( context, p_sys->i_codec_flavor );
if( i_result )
{
......@@ -561,6 +547,7 @@ static int OpenWin32Dll( decoder_t *p_dec, char *psz_path, char *psz_dll )
msg_Dbg( p_dec, "audio bitrate: %5.3f kbit/s (%d bps)",
(*((int*)p_prop))*0.001f, i_bps );
}
}
p_sys->context = context;
p_sys->win32_dll = handle;
......@@ -619,6 +606,8 @@ static aout_buffer_t *Decode( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
aout_buffer_t *p_aout_buffer = 0;
unsigned int i_result;
int i_samples;
block_t *p_block;
#ifdef LOADER
......@@ -635,50 +624,16 @@ static aout_buffer_t *Decode( decoder_t *p_dec, block_t **pp_block )
}
#endif
/* Output 1024 samples at a time
* (the audio output doesn't like big audio packets) */
if( p_sys->i_out )
{
int i_out;
int i_samples = p_sys->i_out * 8 /
p_dec->fmt_out.audio.i_bitspersample /
p_dec->fmt_out.audio.i_channels;
i_samples = __MIN( i_samples, 1024 );
i_out = i_samples * p_dec->fmt_out.audio.i_bitspersample *
p_dec->fmt_out.audio.i_channels / 8;
p_aout_buffer = p_dec->pf_aout_buffer_new( p_dec, i_samples );
if( p_aout_buffer == NULL ) return NULL;
memcpy( p_aout_buffer->p_buffer, p_sys->p_out, i_out );
p_sys->i_out -= i_out;
p_sys->p_out += i_out;
/* Date management */
p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
p_aout_buffer->end_date =
aout_DateIncrement( &p_sys->end_date, i_samples );
return p_aout_buffer;
}
/* If we have a full frame ready then we can start decoding */
if( p_sys->i_frame )
{
unsigned int i_result;
p_sys->p_out = p_sys->p_out_buffer;
if( pp_block == NULL || *pp_block == NULL ) return NULL;
p_block = *pp_block;
if( p_sys->dll )
i_result = p_sys->raDecode( p_sys->context, p_sys->p_frame +
p_sys->i_frame_size - p_sys->i_frame,
p_dec->fmt_in.audio.i_blockalign,
i_result = p_sys->raDecode( p_sys->context, (char *)p_block->p_buffer,
(unsigned long)p_block->i_buffer,
p_sys->p_out, &p_sys->i_out, -1 );
else
i_result = p_sys->wraDecode( p_sys->context, p_sys->p_frame +
p_sys->i_frame_size - p_sys->i_frame,
p_dec->fmt_in.audio.i_blockalign,
i_result = p_sys->wraDecode( p_sys->context, (char *)p_block->p_buffer,
(unsigned long)p_block->i_buffer,
p_sys->p_out, &p_sys->i_out, -1 );
#if 0
......@@ -687,71 +642,33 @@ static aout_buffer_t *Decode( decoder_t *p_dec, block_t **pp_block )
p_dec->fmt_out.audio.i_channels, i_result );
#endif
p_sys->i_frame -= p_dec->fmt_in.audio.i_blockalign;
return Decode( p_dec, pp_block );
}
if( pp_block == NULL || *pp_block == NULL ) return NULL;
p_block = *pp_block;
//msg_Err( p_dec, "Decode: "I64Fd", %i", p_block->i_pts, p_block->i_buffer );
/* Detect missing subpackets */
if( p_sys->i_subpacket && p_block->i_pts > 0 &&
p_block->i_pts != p_sys->i_packet_pts )
{
/* All subpackets in a packet should have the same pts so we must
* have dropped some. Clear current frame buffer. */
p_sys->i_subpacket = 0;
msg_Dbg( p_dec, "detected dropped subpackets" );
}
if( p_block->i_pts > 0 ) p_sys->i_packet_pts = p_block->i_pts;
/* Date management */
if( /* !p_sys->i_subpacket && */ p_block && p_block->i_pts > 0 &&
if( p_block->i_pts > 0 &&
p_block->i_pts != aout_DateGet( &p_sys->end_date ) )
{
aout_DateSet( &p_sys->end_date, p_block->i_pts );
}
#if 0
if( !aout_DateGet( &p_sys->end_date ) )
{
/* We've just started the stream, wait for the first PTS. */
if( p_block ) block_Release( p_block );
return NULL;
}
#endif
if( p_sys->i_subpacket_size )
{
/* 'cook' way */
int sps = p_sys->i_subpacket_size;
int w = p_dec->fmt_in.audio.i_blockalign;
int h = p_sys->i_subpacket_h;
/* int cfs = p_sys->i_coded_frame_size; */
int x, y;
w /= sps;
y = p_sys->i_subpacket;
i_samples = p_sys->i_out * 8 /
p_dec->fmt_out.audio.i_bitspersample /p_dec->fmt_out.audio.i_channels;
for( x = 0; x < w; x++ )
p_aout_buffer =
p_dec->pf_aout_buffer_new( p_dec, i_samples );
if( p_aout_buffer )
{
memcpy( p_sys->p_frame + sps * (h*x+((h+1)/2)*(y&1)+(y>>1)),
p_block->p_buffer, sps );
p_block->p_buffer += sps;
}
p_sys->i_subpacket = (p_sys->i_subpacket + 1) % p_sys->i_subpacket_h;
memcpy( p_aout_buffer->p_buffer, p_sys->p_out, p_sys->i_out );
if( !p_sys->i_subpacket )
{
/* We have a complete frame */
p_sys->i_frame = p_sys->i_frame_size;
p_aout_buffer = Decode( p_dec, pp_block );
}
/* Date management */
p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
p_aout_buffer->end_date =
aout_DateIncrement( &p_sys->end_date, i_samples );
}
block_Release( p_block );
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment