Commit e5612c77 authored by Laurent Aimar's avatar Laurent Aimar
Browse files

* avi: cosmetics.

parent 3ac57ab0
......@@ -32,7 +32,6 @@
#include "codecs.h"
#include "libavi.h"
#include "avi.h"
/*****************************************************************************
* Module descriptor
......@@ -43,10 +42,10 @@
#define INDEX_TEXT N_("Force index creation")
#define INDEX_LONGTEXT N_( \
"Recreate a index for the AVI file so we can seek trough it more reliably." )
"Recreate a index for the AVI file so we can seek trough it more reliably." )
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin();
set_description( _("AVI demuxer") );
......@@ -63,14 +62,85 @@ vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Control ( input_thread_t *, int, va_list );
static int Seek ( input_thread_t *, mtime_t, int );
static int Demux_Seekable ( input_thread_t * );
static int Demux_UnSeekable( input_thread_t *p_input );
static int Control ( input_thread_t *, int, va_list );
static int Seek ( input_thread_t *, mtime_t, int );
static int Demux_Seekable ( input_thread_t * );
static int Demux_UnSeekable( input_thread_t * );
#define FREE( p ) if( p ) { free( p ); (p) = NULL; }
#define __ABS( x ) ( (x) < 0 ? (-(x)) : (x) )
typedef struct
{
vlc_fourcc_t i_fourcc;
off_t i_pos;
uint32_t i_size;
vlc_fourcc_t i_type; /* only for AVIFOURCC_LIST */
uint8_t i_peek[8]; /* first 8 bytes */
unsigned int i_stream;
unsigned int i_cat;
} avi_packet_t;
typedef struct
{
vlc_fourcc_t i_id;
uint32_t i_flags;
off_t i_pos;
uint32_t i_length;
uint32_t i_lengthtotal;
} avi_entry_t;
typedef struct
{
vlc_bool_t b_activated;
unsigned int i_cat; /* AUDIO_ES, VIDEO_ES */
vlc_fourcc_t i_codec;
int i_rate;
int i_scale;
int i_samplesize;
es_out_id_t *p_es;
avi_entry_t *p_index;
unsigned int i_idxnb;
unsigned int i_idxmax;
unsigned int i_idxposc; /* numero of chunk */
unsigned int i_idxposb; /* byte in the current chunk */
/* For VBR audio only */
unsigned int i_blockno;
unsigned int i_blocksize;
} avi_track_t;
struct demux_sys_t
{
mtime_t i_time;
mtime_t i_length;
mtime_t i_pcr;
vlc_bool_t b_seekable;
avi_chunk_t ck_root;
vlc_bool_t b_odml;
off_t i_movi_begin;
off_t i_movi_lastchunk_pos; /* XXX position of last valid chunk */
/* number of streams and information */
unsigned int i_track;
avi_track_t **track;
/* meta */
vlc_meta_t *meta;
};
static inline off_t __EVEN( off_t i )
{
return (i & 1) ? i + 1 : i;
......@@ -98,7 +168,7 @@ static int AVI_PacketSearch ( input_thread_t * );
static void AVI_IndexLoad ( input_thread_t * );
static void AVI_IndexCreate ( input_thread_t * );
static void AVI_IndexAddEntry( demux_sys_t *, int, AVIIndexEntry_t * );
static void AVI_IndexAddEntry( demux_sys_t *, int, avi_entry_t * );
static mtime_t AVI_MovieGetLength( input_thread_t * );
......@@ -686,7 +756,7 @@ static int Demux_Seekable( input_thread_t *p_input )
else
{
/* add this chunk to the index */
AVIIndexEntry_t index;
avi_entry_t index;
index.i_id = avi_pk.i_fourcc;
index.i_flags =
......@@ -1348,7 +1418,7 @@ static int AVI_StreamChunkFind( input_thread_t *p_input,
else
{
/* add this chunk to the index */
AVIIndexEntry_t index;
avi_entry_t index;
index.i_id = avi_pk.i_fourcc;
index.i_flags =
......@@ -1573,10 +1643,8 @@ static int AVI_GetKeyFlag( vlc_fourcc_t i_fourcc, uint8_t *p_byte )
/* it's not an msmpegv1 stream, strange...*/
return AVIIF_KEYFRAME;
}
else
{
return p_byte[4] & 0x06 ? 0 : AVIIF_KEYFRAME;
}
return p_byte[4] & 0x06 ? 0 : AVIIF_KEYFRAME;
case FOURCC_DIV2:
case FOURCC_DIV3: /* wmv1 also */
/* we have
......@@ -1593,10 +1661,8 @@ static int AVI_GetKeyFlag( vlc_fourcc_t i_fourcc, uint8_t *p_byte )
/* not true , need to find the first VOP header */
return AVIIF_KEYFRAME;
}
else
{
return p_byte[4] & 0xC0 ? 0 : AVIIF_KEYFRAME;
}
return p_byte[4] & 0xC0 ? 0 : AVIIF_KEYFRAME;
default:
/* I can't do it, so say yes */
return AVIIF_KEYFRAME;
......@@ -1837,7 +1903,7 @@ static int AVI_PacketSearch( input_thread_t *p_input )
****************************************************************************/
static void AVI_IndexAddEntry( demux_sys_t *p_sys,
int i_stream,
AVIIndexEntry_t *p_index)
avi_entry_t *p_index)
{
avi_track_t *tk = p_sys->track[i_stream];
......@@ -1852,7 +1918,7 @@ static void AVI_IndexAddEntry( demux_sys_t *p_sys,
{
tk->i_idxmax += 16384;
tk->p_index = realloc( tk->p_index,
tk->i_idxmax * sizeof( AVIIndexEntry_t ) );
tk->i_idxmax * sizeof( avi_entry_t ) );
if( tk->p_index == NULL )
{
return;
......@@ -1919,7 +1985,7 @@ static int AVI_IndexLoad_idx1( input_thread_t *p_input )
if( i_stream < p_sys->i_track &&
i_cat == p_sys->track[i_stream]->i_cat )
{
AVIIndexEntry_t index;
avi_entry_t index;
index.i_id = p_idx1->entry[i_index].i_fourcc;
index.i_flags =
p_idx1->entry[i_index].i_flags&(~AVIIF_FIXKEYFRAME);
......@@ -1936,7 +2002,7 @@ static void __Parse_indx( input_thread_t *p_input,
avi_chunk_indx_t *p_indx )
{
demux_sys_t *p_sys = p_input->p_demux_data;
AVIIndexEntry_t index;
avi_entry_t index;
int32_t i;
msg_Dbg( p_input, "loading subindex(0x%x) %d entries", p_indx->i_indextype, p_indx->i_entriesinuse );
......@@ -2097,7 +2163,7 @@ static void AVI_IndexCreate( input_thread_t *p_input )
if( pk.i_stream < p_sys->i_track &&
pk.i_cat == p_sys->track[pk.i_stream]->i_cat )
{
AVIIndexEntry_t index;
avi_entry_t index;
index.i_id = pk.i_fourcc;
index.i_flags =
AVI_GetKeyFlag(p_sys->track[pk.i_stream]->i_codec, pk.i_peek);
......
/*****************************************************************************
* avi.h : AVI file Stream input module for vlc
*****************************************************************************
* Copyright (C) 2001-2004 VideoLAN
* $Id: avi.h,v 1.20 2004/01/31 14:49:52 fenrir Exp $
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
typedef struct avi_packet_s
{
vlc_fourcc_t i_fourcc;
off_t i_pos;
uint32_t i_size;
vlc_fourcc_t i_type; /* only for AVIFOURCC_LIST */
uint8_t i_peek[8]; /* first 8 bytes */
unsigned int i_stream;
unsigned int i_cat;
} avi_packet_t;
typedef struct AVIIndexEntry_s
{
vlc_fourcc_t i_id;
uint32_t i_flags;
off_t i_pos;
uint32_t i_length;
uint32_t i_lengthtotal;
} AVIIndexEntry_t;
typedef struct
{
vlc_bool_t b_activated;
unsigned int i_cat; /* AUDIO_ES, VIDEO_ES */
vlc_fourcc_t i_codec;
int i_rate;
int i_scale;
int i_samplesize;
es_out_id_t *p_es;
AVIIndexEntry_t *p_index;
unsigned int i_idxnb;
unsigned int i_idxmax;
unsigned int i_idxposc; /* numero of chunk */
unsigned int i_idxposb; /* byte in the current chunk */
/* For VBR audio only */
unsigned int i_blockno;
unsigned int i_blocksize;
} avi_track_t;
struct demux_sys_t
{
mtime_t i_time;
mtime_t i_length;
mtime_t i_pcr;
vlc_bool_t b_seekable;
avi_chunk_t ck_root;
vlc_bool_t b_odml;
off_t i_movi_begin;
off_t i_movi_lastchunk_pos; /* XXX position of last valid chunk */
/* number of streams and information */
unsigned int i_track;
avi_track_t **track;
/* meta */
vlc_meta_t *meta;
};
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