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vlc-1.1
Commit 5924aed6 authored by Laurent Aimar's avatar Laurent Aimar
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Fixed record stream in case of stream_Read(NULL) and clean up.

parent aa407ea9
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Showing with 126 additions and 59 deletions
src/input/stream.c
View file @ 5924aed6
......@@ -114,9 +114,9 @@ typedef struct
typedef enum stream_read_method_t
{
Immediate,
Block,
Stream
STREAM_METHOD_IMMEDIATE,
STREAM_METHOD_BLOCK,
STREAM_METHOD_STREAM
} stream_read_method_t;
struct stream_sys_t
......@@ -197,7 +197,8 @@ struct stream_sys_t
{
bool b_active;
FILE *f; /* TODO it could be replaced by access_output_t one day */
FILE *f; /* TODO it could be replaced by access_output_t one day */
bool b_error;
} record;
};
......@@ -323,11 +324,11 @@ stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
/* Common field */
p_sys->p_access = p_access;
if( p_access->pf_block )
p_sys->method = Block;
else if (var_CreateGetBool( s, "use-stream-immediate"))
p_sys->method = Immediate;
p_sys->method = STREAM_METHOD_BLOCK;
else if( var_CreateGetBool( s, "use-stream-immediate" ) )
p_sys->method = STREAM_METHOD_IMMEDIATE;
else
p_sys->method = Stream;
p_sys->method = STREAM_METHOD_STREAM;
p_sys->record.b_active = false;
......@@ -409,7 +410,7 @@ stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
p_sys->i_peek = 0;
p_sys->p_peek = NULL;
if( p_sys->method == Block )
if( p_sys->method == STREAM_METHOD_BLOCK )
{
msg_Dbg( s, "Using AStream*Block" );
s->pf_read = AStreamReadBlock;
......@@ -432,7 +433,7 @@ stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
goto error;
}
}
else if (p_sys->method == Immediate)
else if( p_sys->method == STREAM_METHOD_IMMEDIATE )
{
msg_Dbg( s, "Using AStream*Immediate" );
......@@ -443,8 +444,9 @@ stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
p_sys->immediate.i_end = 0;
p_sys->immediate.p_buffer = malloc( STREAM_CACHE_SIZE );
msg_Dbg( s, "p_buffer %p-%p", p_sys->immediate.p_buffer,
p_sys->immediate.p_buffer + STREAM_CACHE_SIZE );
msg_Dbg( s, "p_buffer %p-%p",
p_sys->immediate.p_buffer,
&p_sys->immediate.p_buffer[STREAM_CACHE_SIZE] );
if( p_sys->immediate.p_buffer == NULL )
{
......@@ -453,10 +455,12 @@ stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
goto error;
}
}
else /* ( p_sys->method == Stream ) */
else
{
int i;
assert( p_sys->method == STREAM_METHOD_STREAM );
msg_Dbg( s, "Using AStream*Stream" );
s->pf_read = AStreamReadStream;
......@@ -502,7 +506,7 @@ stream_t *stream_AccessNew( access_t *p_access, bool b_quick )
return s;
error:
if( p_sys->method == Block )
if( p_sys->method == STREAM_METHOD_BLOCK )
{
/* Nothing yet */
}
......@@ -532,9 +536,9 @@ static void AStreamDestroy( stream_t *s )
if( p_sys->record.b_active )
ARecordSetState( s, false, NULL );
if( p_sys->method == Block )
if( p_sys->method == STREAM_METHOD_BLOCK )
block_ChainRelease( p_sys->block.p_first );
else if ( p_sys->method == Immediate )
else if( p_sys->method == STREAM_METHOD_IMMEDIATE )
free( p_sys->immediate.p_buffer );
else
free( p_sys->stream.p_buffer );
......@@ -572,7 +576,7 @@ void stream_AccessReset( stream_t *s )
p_sys->i_pos = p_sys->p_access->info.i_pos;
if( p_sys->method == Block )
if( p_sys->method == STREAM_METHOD_BLOCK )
{
block_ChainRelease( p_sys->block.p_first );
......@@ -587,14 +591,16 @@ void stream_AccessReset( stream_t *s )
/* Do the prebuffering */
AStreamPrebufferBlock( s );
}
else if( p_sys->method == Immediate )
else if( p_sys->method == STREAM_METHOD_IMMEDIATE )
{
stream_buffer_empty( s, stream_buffered_size( s ) );
}
else /* ( p_sys->method == Stream ) */
else
{
int i;
assert( p_sys->method == STREAM_METHOD_STREAM );
/* Setup our tracks */
p_sys->stream.i_offset = 0;
p_sys->stream.i_tk = 0;
......@@ -677,12 +683,18 @@ static int AStreamControl( stream_t *s, int i_query, va_list args )
case STREAM_SET_POSITION:
i_64 = (int64_t)va_arg( args, int64_t );
if( p_sys->method == Block )
switch( p_sys->method )
{
case STREAM_METHOD_BLOCK:
return AStreamSeekBlock( s, i_64 );
else if( p_sys->method == Immediate )
case STREAM_METHOD_IMMEDIATE:
return AStreamSeekImmediate( s, i_64 );
else /* ( p_sys->method == Stream ) */
case STREAM_METHOD_STREAM:
return AStreamSeekStream( s, i_64 );
default:
assert(0);
return VLC_EGENERIC;
}
case STREAM_GET_MTU:
return VLC_EGENERIC;
......@@ -731,7 +743,6 @@ static char *ARecordGetFileName( stream_t *s, const char *psz_path, const char *
{
closedir( path );
const char *psz_prefix = "vlc-record-%Y-%m-%d-%H:%M:%S-$p"; // TODO allow conf ?
char *psz_tmp = str_format( s, psz_prefix );
if( !psz_tmp )
return NULL;
......@@ -755,7 +766,6 @@ static int ARecordStart( stream_t *s, const char *psz_extension )
{
stream_sys_t *p_sys = s->p_sys;
DIR *path;
char *psz_file;
FILE *f;
......@@ -795,6 +805,7 @@ static int ARecordStart( stream_t *s, const char *psz_extension )
/* */
p_sys->record.f = f;
p_sys->record.b_active = true;
p_sys->record.b_error = false;
return VLC_SUCCESS;
}
static int ARecordStop( stream_t *s )
......@@ -827,8 +838,19 @@ static void ARecordWrite( stream_t *s, const uint8_t *p_buffer, size_t i_buffer
assert( p_sys->record.b_active );
if( i_buffer )
fwrite( p_buffer, 1, i_buffer, p_sys->record.f );
if( i_buffer > 0 )
{
const bool b_previous_error = p_sys->record.b_error;
const size_t i_written = fwrite( p_buffer, 1, i_buffer, p_sys->record.f );
p_sys->record.b_error = i_written != i_buffer;
/* TODO maybe a intf_UserError or something like that ? */
if( p_sys->record.b_error && !b_previous_error )
msg_Err( s, "Failed to record data (begin)" );
else if( !p_sys->record.b_error && b_previous_error )
msg_Err( s, "Failed to record data (end)" );
}
}
/****************************************************************************
......@@ -914,14 +936,18 @@ static int AStreamReadBlock( stream_t *s, void *p_read, unsigned int i_read )
{
stream_sys_t *p_sys = s->p_sys;
uint8_t *p_data= (uint8_t*)p_read;
uint8_t *p_data = p_read;
uint8_t *p_record = p_data;
unsigned int i_data = 0;
/* It means EOF */
if( p_sys->block.p_current == NULL )
return 0;
if( p_read == NULL )
if( p_sys->record.b_active && !p_data )
p_record = p_data = malloc( i_read );
if( p_data == NULL )
{
/* seek within this stream if possible, else use plain old read and discard */
stream_sys_t *p_sys = s->p_sys;
......@@ -965,8 +991,13 @@ static int AStreamReadBlock( stream_t *s, void *p_read, unsigned int i_read )
}
}
if( p_sys->record.b_active && i_data > 0 )
ARecordWrite( s, p_read, i_data );
if( p_sys->record.b_active )
{
if( i_data > 0 && p_record != NULL)
ARecordWrite( s, p_record, i_data );
if( !p_read )
free( p_record );
}
p_sys->i_pos += i_data;
return i_data;
......@@ -1248,11 +1279,16 @@ static int AStreamReadStream( stream_t *s, void *p_read, unsigned int i_read )
stream_track_t *tk = &p_sys->stream.tk[p_sys->stream.i_tk];
uint8_t *p_data = (uint8_t *)p_read;
uint8_t *p_record = p_data;
unsigned int i_data = 0;
if( tk->i_start >= tk->i_end ) return 0; /* EOF */
if( tk->i_start >= tk->i_end )
return 0; /* EOF */
if( p_read == NULL )
if( p_sys->record.b_active && !p_data )
p_record = p_data = malloc( i_read );
if( p_data == NULL )
{
/* seek within this stream if possible, else use plain old read and discard */
stream_sys_t *p_sys = s->p_sys;
......@@ -1312,8 +1348,13 @@ static int AStreamReadStream( stream_t *s, void *p_read, unsigned int i_read )
}
}
if( p_sys->record.b_active && i_data > 0 )
ARecordWrite( s, p_read, i_data );
if( p_sys->record.b_active )
{
if( i_data > 0 && p_record != NULL)
ARecordWrite( s, p_record, i_data );
if( !p_read )
free( p_record );
}
return i_data;
}
......@@ -1661,53 +1702,77 @@ static void AStreamPrebufferStream( stream_t *s )
static int AStreamReadImmediate( stream_t *s, void *p_read, unsigned int i_read )
{
stream_sys_t *p_sys = s->p_sys;
uint8_t *p_data= (uint8_t*)p_read;
uint8_t *p_record = p_data;
unsigned int i_data;
#ifdef STREAM_DEBUG
msg_Dbg( s, "AStreamReadImmediate p_read=%p i_read=%d",
p_read, i_read );
#endif
if( p_sys->record.b_active && !p_data )
p_record = p_data = malloc( i_read );
/* First, check if we already have some data in the buffer,
* that we could copy directly */
int i_copy = __MIN( stream_buffered_size( s ), i_read );
if( i_copy )
i_data = __MIN( stream_buffered_size( s ), i_read );
if( i_data > 0 )
{
#ifdef STREAM_DEBUG
msg_Dbg( s, "AStreamReadImmediate: copy %d from %p", i_copy, stream_buffer( s ) );
msg_Dbg( s, "AStreamReadImmediate: copy %u from %p", i_data, stream_buffer( s ) );
#endif
assert( i_copy <= STREAM_CACHE_SIZE );
assert( i_data <= STREAM_CACHE_SIZE );
if( p_read )
if( p_data )
{
memcpy( p_read, stream_buffer( s ), i_copy );
p_read = (uint8_t *)p_read + i_copy;
memcpy( p_data, stream_buffer( s ), i_data );
p_data += i_data;
}
}
/* Now that we've read our buffer we don't need its i_copy bytes */
stream_buffer_empty( s, i_copy );
stream_buffer_empty( s, i_data );
/* Now check if we have still to really read some data */
int i_to_read = i_read - i_copy;
if( i_to_read )
while( i_data < i_read )
{
if( p_read )
i_to_read = AReadStream( s, p_read, i_to_read );
else
const unsigned int i_to_read = i_read - i_data;
int i_result;
if( p_data )
{
void * dummy = malloc(i_to_read);
i_to_read = AReadStream( s, dummy, i_to_read );
free(dummy);
i_result = AReadStream( s, p_data, i_to_read );
}
}
else
{
void *p_dummy = malloc( i_to_read );
if( !p_dummy )
break;
if( p_sys->record.b_active && i_copy > 0 )
ARecordWrite( s, p_read, i_copy );
i_result = AReadStream( s, p_dummy, i_to_read );
p_sys->i_pos += i_to_read;
free( p_dummy );
}
if( i_result <= 0 )
break;
p_sys->i_pos += i_data;
if( p_data )
p_data += i_result;
i_data += i_result;
}
return i_to_read + i_copy;
if( p_sys->record.b_active )
{
if( i_data > 0 && p_record != NULL)
ARecordWrite( s, p_record, i_data );
if( !p_read )
free( p_record );
}
return i_data;
}
static int AStreamPeekImmediate( stream_t *s, const uint8_t **pp_peek, unsigned int i_read )
......@@ -1717,7 +1782,8 @@ static int AStreamPeekImmediate( stream_t *s, const uint8_t **pp_peek, unsigned
i_read, size_buffered_size( s ) );
#endif
/* Avoid problem, but that shouldn't happen */
/* Avoid problem, but that shouldn't happen
* FIXME yes it can */
if( i_read > STREAM_CACHE_SIZE / 2 )
i_read = STREAM_CACHE_SIZE / 2;
......@@ -1737,7 +1803,7 @@ static int AStreamPeekImmediate( stream_t *s, const uint8_t **pp_peek, unsigned
*pp_peek = stream_buffer( s );
return __MIN(stream_buffered_size( s ), i_read);
return __MIN( stream_buffered_size( s ), i_read );
}
static int AStreamSeekImmediate( stream_t *s, int64_t i_pos )
......@@ -1762,7 +1828,8 @@ static int AStreamSeekImmediate( stream_t *s, int64_t i_pos )
/* Just reset our buffer */
stream_buffer_empty( s, stream_buffered_size( s ) );
if( ASeek( s, i_pos ) ) return VLC_EGENERIC;
if( ASeek( s, i_pos ) )
return VLC_EGENERIC;
return VLC_SUCCESS;
}
......@@ -2256,7 +2323,7 @@ int stream_Control( stream_t *s, int i_query, ... )
va_list args;
int i_result;
if ( s == NULL )
if( s == NULL )
return VLC_EGENERIC;
va_start( args, i_query );
......
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