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Commit 233d20e6 authored by Laurent Aimar's avatar Laurent Aimar
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* plugins/avi/avi.c : seek is faster

parent 30046622
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Showing with 105 additions and 41 deletions
plugins/avi/avi.c
View file @ 233d20e6
......@@ -2,7 +2,7 @@
* avi.c : AVI file Stream input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: avi.c,v 1.5 2002/04/26 14:29:26 fenrir Exp $
* $Id: avi.c,v 1.6 2002/04/27 16:13:23 fenrir Exp $
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
......@@ -204,7 +204,7 @@ static int __AVI_ParseStreamHeader( u32 i_id, int *i_number, u16 *i_type )
return( -1 );
}
*i_number = (c1 - '0') * 10 + (c2 - '0' );
*i_type = ( c3 << 8) + c4;
*i_type = ( c4 << 8) + c3;
return( 0 );
}
......@@ -214,7 +214,7 @@ static void __AVI_AddEntryIndex( AVIStreamInfo_t *p_info,
AVIIndexEntry_t *p_tmp;
if( p_info->p_index == NULL )
{
p_info->i_idxmax = 4096;
p_info->i_idxmax = 16384;
p_info->i_idxnb = 0;
p_info->p_index = calloc( p_info->i_idxmax,
sizeof( AVIIndexEntry_t ) );
......@@ -222,13 +222,13 @@ static void __AVI_AddEntryIndex( AVIStreamInfo_t *p_info,
}
if( p_info->i_idxnb >= p_info->i_idxmax )
{
p_info->i_idxmax += 4096;
p_info->i_idxmax += 16384;
p_tmp = realloc( (void*)p_info->p_index,
p_info->i_idxmax *
sizeof( AVIIndexEntry_t ) );
if( p_tmp == NULL )
{
p_info->i_idxmax -= 4096;
p_info->i_idxmax -= 16384;
return;
}
p_info->p_index = p_tmp;
......@@ -321,7 +321,7 @@ static int __AVI_SeekToChunk( input_thread_t *p_input, AVIStreamInfo_t *p_info )
return( 0 );
}
/* no index can't arrive but ...*/
intf_WarnMsg( 1, "CAN'T SEEK");
intf_WarnMsg( 1, "input error: can't seek");
return( -1 );
}
......@@ -422,7 +422,14 @@ static int AVIInit( input_thread_t *p_input )
es_descriptor_t *p_es_audio;
int i;
/* we need to seek to be able to readcorrectly */
if( !p_input->stream.b_seekable )
{
intf_ErrMsg( "input error: need the ability to seek in stream" );
return( -1 );
}
p_input->p_demux_data =
p_avi_demux = malloc( sizeof(demux_data_avi_file_t) );
if( p_avi_demux == NULL )
......@@ -643,17 +650,16 @@ static int AVIInit( input_thread_t *p_input )
p_avi_demux->p_movi = p_movi;
/* get index XXX need to have p_movi */
if( (p_input->stream.b_seekable)
&&((p_avi_demux->avih.i_flags&AVIF_HASINDEX) != 0) )
if( (p_avi_demux->avih.i_flags&AVIF_HASINDEX) != 0 )
{
/* get index */
__AVI_GetIndex( p_input );
/* try to get i_idxoffset for each stream */
__AVI_GetIndexOffset( p_input );
}
else
{
intf_WarnMsg( 1, "input init: cannot get index" );
intf_WarnMsg( 1, "input init: no index !" );
}
......@@ -815,7 +821,7 @@ static void AVIEnd( input_thread_t *p_input )
static mtime_t __AVI_GetPTS( AVIStreamInfo_t *p_info )
{
/* XXX you need to had p_info->i_date to have correct pts */
/* XXX you need to add p_info->i_date to have correct pts */
/* p_info->p_index[p_info->i_idxpos] need to be valid !! */
mtime_t i_pts;
......@@ -846,9 +852,11 @@ static int __AVI_NextIndexEntry( input_thread_t *p_input,
AVIIndexEntry_t index;
riffchunk_t *p_chunk;
demux_data_avi_file_t *p_avi_demux;
AVIStreamInfo_t *p_info_tmp;
int i;
int i_idxpos;
int b_inc = 0;
p_avi_demux = (demux_data_avi_file_t*)p_input->p_demux_data;
p_info->i_idxpos++;
......@@ -856,35 +864,90 @@ static int __AVI_NextIndexEntry( input_thread_t *p_input,
{
return( 0 );
}
p_info->i_idxpos--;
/* create entry on the fly */
/* TODO: when parsing for a stream take care of the other to not do
the same things two time */
p_info->i_idxpos--;
__AVI_SeekToChunk( p_input, p_info );
/* search for the less advance stream and parse from it for all streams*/
p_info_tmp = p_info;
for( i = 0; i < p_avi_demux->i_streams; i++ )
{
#define p_info_i p_avi_demux->pp_info[i]
if( p_info_i->p_index[p_info_i->i_idxnb - 1].i_offset +
p_info_i->i_idxoffset <
p_info_tmp->p_index[p_info_tmp->i_idxnb - 1].i_offset +
p_info_tmp->i_idxoffset )
{
p_info_tmp = p_info_i;
}
#undef p_info_i
}
/* go to last defined entry */
i_idxpos = p_info_tmp->i_idxpos; /* save p_info_tmp->i_idxpos */
p_info_tmp->i_idxpos = p_info_tmp->i_idxnb - 1;
__AVI_SeekToChunk( p_input, p_info_tmp );
p_info_tmp->i_idxpos = i_idxpos;
if( RIFF_NextChunk( p_input, p_avi_demux->p_movi ) != 0 )
{
__AVI_SeekToChunk( p_input, p_info );
return( -1 );
}
/* FIXME */
/* p_info->p_input[0].i_id may not always be true for video
because of db and dc */
if( (RIFF_FindChunk( p_input, p_info->p_index[0].i_id,
p_avi_demux->p_movi ) == 0)
&&( (p_chunk = RIFF_ReadChunk( p_input )) != NULL) )
/* save idxpos of p_info */
/* now parse for all stream and stop when reach next chunk for p_info */
for( i = 0; (i < 20)||(!b_inc); i++)
{
int i_number;
u16 i_type;
if( (p_chunk = RIFF_ReadChunk( p_input )) == NULL )
{
if( i > 0)
{
return( 0 );
}
else
{
return( -1 );
}
}
index.i_id = p_chunk->i_id;
index.i_flags = AVIIF_KEYFRAME;
index.i_offset = p_chunk->i_pos;
index.i_length = p_chunk->i_size;
__AVI_AddEntryIndex( p_info, &index );
p_info->i_idxpos++;
}
else
{
__AVI_SeekToChunk( p_input, p_info ); /* if readchunk failed */
return( -1 );
}
return( 0 );
RIFF_DeleteChunk( p_input, p_chunk );
#define p_info_i p_avi_demux->pp_info[i_number]
if( (__AVI_ParseStreamHeader( index.i_id, &i_number, &i_type ) == 0)
&&( i_number < p_avi_demux->i_streams )
&& (p_info_i->p_index[p_info_i->i_idxnb - 1].i_offset +
p_info_i->p_index[p_info_i->i_idxnb - 1].i_length <=
index.i_offset ) )
{
/* do we need to check i_type ? */
__AVI_AddEntryIndex( p_info_i, &index );
if( (p_info_i == p_info)&&(!b_inc) )
{
p_info->i_idxpos++;
b_inc = 1;
}
}
#undef p_info_i
if( RIFF_NextChunk( p_input, p_avi_demux->p_movi ) != 0 )
{
if( i > 0)
{
return( 0 );
}
else
{
return( -1 );
}
}
}
return( 0 );
intf_WarnMsg( 1, "input demux: added index entry(%d)",i );
}
static int __AVI_ReAlign( input_thread_t *p_input,
......@@ -1045,7 +1108,6 @@ static int AVIDemux( input_thread_t *p_input )
intf_ErrMsg( "input error: no video ouput selected" );
return( -1 );
}
if( (input_ClockManageControl( p_input, p_input->stream.p_selected_program,
(mtime_t)0) == PAUSE_S) )
{
......
plugins/ffmpeg/ffmpeg.c
View file @ 233d20e6
......@@ -2,7 +2,7 @@
* ffmpeg.c: video decoder using ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: ffmpeg.c,v 1.2 2002/04/25 03:01:03 fenrir Exp $
* $Id: ffmpeg.c,v 1.3 2002/04/27 16:13:23 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -454,10 +454,10 @@ static void EndThread( videodec_thread_t *p_vdec )
static void DecodeThread( videodec_thread_t *p_vdec )
{
int i_len;
int b_gotpicture;
int b_convert;
int i_len;
int b_gotpicture;
int b_convert;
mtime_t i_pts;
pes_packet_t *p_pes;
AVPicture avpicture; /* ffmpeg picture */
u32 i_chroma;
......@@ -475,7 +475,7 @@ static void DecodeThread( videodec_thread_t *p_vdec )
int linesize[3];
} AVPicture;
*/
p_pes = NULL;
i_pts = -1 ;
do
{
__PACKET_FILL( p_vdec );
......@@ -483,13 +483,15 @@ static void DecodeThread( videodec_thread_t *p_vdec )
{
return;
}
/* save p_pes for pts */
if( p_pes == NULL ) {p_pes = __PES_GET( p_vdec->p_fifo );}
/* save pts */
if( i_pts < 0 ) {i_pts = __PES_GET( p_vdec->p_fifo )->i_pts;}
i_len = avcodec_decode_video( p_vdec->p_context,
&avpicture,
&b_gotpicture,
p_vdec->p_buff,
p_vdec->i_data_size);
if( i_len < 0 )
{
intf_WarnMsg( 1, "vdec error: cannot decode one frame (%d bytes)",
......@@ -603,7 +605,7 @@ static void DecodeThread( videodec_thread_t *p_vdec )
__ConvertAVPictureToPicture( &avpicture, p_picture );
}
vout_DatePicture( p_vdec->p_vout, p_picture, p_pes->i_pts );
vout_DatePicture( p_vdec->p_vout, p_picture, i_pts );
vout_DisplayPicture( p_vdec->p_vout, p_picture );
return;
......
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