]> git.sesse.net Git - vlc/blobdiff - src/video_parser/video_parser.c
* Mandatory step for video output IV and the audio output quality
[vlc] / src / video_parser / video_parser.c
index fbb2f0fe2974203e3e7940acaf7ac637f593e2f8..0ffaa98f48b469481279310911d8173d3fb1a873 100644 (file)
@@ -2,7 +2,7 @@
  * video_parser.c : video parser thread
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: video_parser.c,v 1.60 2001/01/02 14:03:30 massiot Exp $
+ * $Id: video_parser.c,v 1.82 2001/05/01 04:18:18 sam Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *          Samuel Hocevar <sam@via.ecp.fr>
@@ -29,8 +29,6 @@
 
 #include <stdlib.h>                                      /* malloc(), free() */
 #include <unistd.h>                                              /* getpid() */
-#include <sys/types.h>                        /* on BSD, uio.h needs types.h */
-#include <sys/uio.h>                                            /* "input.h" */
 #include <errno.h>
 #include <string.h>
 
@@ -42,7 +40,7 @@
 #include "common.h"
 #include "threads.h"
 #include "mtime.h"
-#include "plugins.h"
+#include "modules.h"
 
 #include "intf_msg.h"
 
 #include "video.h"
 #include "video_output.h"
 
+#include "video_decoder.h"
+#include "vdec_motion.h"
 #include "../video_decoder/vdec_idct.h"
-#include "../video_decoder/video_decoder.h"
-#include "../video_decoder/vdec_motion.h"
 
-#include "../video_decoder/vpar_blocks.h"
+#include "vpar_blocks.h"
 #include "../video_decoder/vpar_headers.h"
 #include "../video_decoder/vpar_synchro.h"
 #include "../video_decoder/video_parser.h"
 /*
  * Local prototypes
  */
-static int      InitThread          ( vpar_thread_t *p_vpar );
-static void     RunThread           ( vpar_thread_t *p_vpar );
-static void     ErrorThread         ( vpar_thread_t *p_vpar );
-static void     EndThread           ( vpar_thread_t *p_vpar );
+static int      InitThread          ( vpar_thread_t * );
+static void     RunThread           ( vpar_thread_t * );
+static void     ErrorThread         ( vpar_thread_t * );
+static void     EndThread           ( vpar_thread_t * );
+static void     BitstreamCallback   ( bit_stream_t *, boolean_t );
 
 /*****************************************************************************
  * vpar_CreateThread: create a generic parser thread
  *****************************************************************************
  * This function creates a new video parser thread, and returns a pointer
  * to its description. On error, it returns NULL.
- * Following configuration properties are used:
- * XXX??
  *****************************************************************************/
 vlc_thread_t vpar_CreateThread( vdec_config_t * p_config )
 {
@@ -100,11 +97,98 @@ vlc_thread_t vpar_CreateThread( vdec_config_t * p_config )
 
     p_vpar->p_vout = p_config->p_vout;
 
+    /*
+     * Choose the best motion compensation module
+     */
+    p_vpar->p_motion_module = module_Need( MODULE_CAPABILITY_MOTION, NULL );
+
+    if( p_vpar->p_motion_module == NULL )
+    {
+        intf_ErrMsg( "vpar error: no suitable motion compensation module" );
+        free( p_vpar );
+        return( 0 );
+    }
+
+#define M ( p_vpar->pppf_motion )
+#define S ( p_vpar->ppf_motion_skipped )
+#define F ( p_vpar->p_motion_module->p_functions->motion.functions.motion )
+    M[0][0][0] = M[0][0][1] = M[0][0][2] = M[0][0][3] = NULL;
+    M[0][1][0] = M[0][1][1] = M[0][1][2] = M[0][1][3] = NULL;
+    M[1][0][0] = NULL;
+    M[1][1][0] = NULL;
+    M[2][0][0] = NULL;
+    M[2][1][0] = NULL;
+    M[3][0][0] = NULL;
+    M[3][1][0] = NULL;
+
+    M[1][0][1] = F.pf_field_field_420;
+    M[1][1][1] = F.pf_frame_field_420;
+    M[2][0][1] = F.pf_field_field_422;
+    M[2][1][1] = F.pf_frame_field_422;
+    M[3][0][1] = F.pf_field_field_444;
+    M[3][1][1] = F.pf_frame_field_444;
+
+    M[1][0][2] = F.pf_field_16x8_420;
+    M[1][1][2] = F.pf_frame_frame_420;
+    M[2][0][2] = F.pf_field_16x8_422;
+    M[2][1][2] = F.pf_frame_frame_422;
+    M[3][0][2] = F.pf_field_16x8_444;
+    M[3][1][2] = F.pf_frame_frame_444;
+
+    M[1][0][3] = F.pf_field_dmv_420;
+    M[1][1][3] = F.pf_frame_dmv_420;
+    M[2][0][3] = F.pf_field_dmv_422;
+    M[2][1][3] = F.pf_frame_dmv_422;
+    M[3][0][3] = F.pf_field_dmv_444;
+    M[3][1][3] = F.pf_frame_dmv_444;
+
+    S[0][0] = S[0][1] = S[0][2] = S[0][3] = NULL;
+    S[1][0] = NULL;
+    S[2][0] = NULL;
+    S[3][0] = NULL;
+
+    S[1][1] = F.pf_field_field_420;
+    S[2][1] = F.pf_field_field_422;
+    S[3][1] = F.pf_field_field_444;
+
+    S[1][2] = F.pf_field_field_420;
+    S[2][2] = F.pf_field_field_422;
+    S[3][2] = F.pf_field_field_444;
+
+    S[1][3] = F.pf_frame_frame_420;
+    S[2][3] = F.pf_frame_frame_422;
+    S[3][3] = F.pf_frame_frame_444;
+#undef F
+#undef S
+#undef M
+
+     /*
+      * Choose the best IDCT module
+      */
+    p_vpar->p_idct_module = module_Need( MODULE_CAPABILITY_IDCT, NULL );
+
+    if( p_vpar->p_idct_module == NULL )
+    {
+        intf_ErrMsg( "vpar error: no suitable IDCT module" );
+        module_Unneed( p_vpar->p_motion_module );
+        free( p_vpar );
+        return( 0 );
+    }
+
+#define f p_vpar->p_idct_module->p_functions->idct.functions.idct
+    p_vpar->pf_init         = f.pf_init;
+    p_vpar->pf_sparse_idct  = f.pf_sparse_idct;
+    p_vpar->pf_idct         = f.pf_idct;
+    p_vpar->pf_norm_scan    = f.pf_norm_scan;
+#undef f
+
     /* Spawn the video parser thread */
     if ( vlc_thread_create( &p_vpar->thread_id, "video parser",
                             (vlc_thread_func_t)RunThread, (void *)p_vpar ) )
     {
         intf_ErrMsg("vpar error: can't spawn video parser thread");
+        module_Unneed( p_vpar->p_idct_module );
+        module_Unneed( p_vpar->p_motion_module );
         free( p_vpar );
         return( 0 );
     }
@@ -131,7 +215,8 @@ static int InitThread( vpar_thread_t *p_vpar )
     intf_DbgMsg("vpar debug: initializing video parser thread %p", p_vpar);
 
     p_vpar->p_config->decoder_config.pf_init_bit_stream( &p_vpar->bit_stream,
-        p_vpar->p_config->decoder_config.p_decoder_fifo );
+        p_vpar->p_config->decoder_config.p_decoder_fifo, BitstreamCallback,
+        (void *)p_vpar );
 
     /* Initialize parsing data */
     p_vpar->sequence.p_forward = NULL;
@@ -140,7 +225,9 @@ static int InitThread( vpar_thread_t *p_vpar )
     p_vpar->sequence.nonintra_quant.b_allocated = 0;
     p_vpar->sequence.chroma_intra_quant.b_allocated = 0;
     p_vpar->sequence.chroma_nonintra_quant.b_allocated = 0;
-    /* FIXME : initialize matrix_coefficients, but to what value ? */
+    p_vpar->sequence.i_matrix_coefficients = 1;
+    p_vpar->sequence.next_pts = p_vpar->sequence.next_dts = 0;
+    p_vpar->sequence.b_expect_discontinuity = 0;
 
     /* Initialize copyright information */
     p_vpar->sequence.b_copyright_flag = 0;
@@ -187,23 +274,25 @@ static int InitThread( vpar_thread_t *p_vpar )
     p_vpar->pp_vdec[0]->b_error = 0;
     p_vpar->pp_vdec[0]->p_vpar = p_vpar;
 
+#   if !defined(SYS_BEOS) && !defined(WIN32)
+#       if VDEC_NICE
     /* Re-nice ourself */
     if( nice(VDEC_NICE) == -1 )
     {
         intf_WarnMsg( 2, "vpar warning : couldn't nice() (%s)",
                       strerror(errno) );
     }
+#       endif
+#   endif
 #endif
 
     /* Initialize lookup tables */
-#if defined(MPEG2_COMPLIANT) && !defined(VDEC_DFT)
-    vpar_InitCrop( p_vpar );
-#endif
     vpar_InitMbAddrInc( p_vpar );
     vpar_InitDCTTables( p_vpar );
     vpar_InitPMBType( p_vpar );
     vpar_InitBMBType( p_vpar );
     vpar_InitDCTTables( p_vpar );
+    vpar_InitScanTable( p_vpar );
 
     /*
      * Initialize the synchro properties
@@ -311,6 +400,22 @@ static void EndThread( vpar_thread_t *p_vpar )
 
     intf_DbgMsg("vpar debug: destroying video parser thread %p", p_vpar);
 
+    /* Release used video buffers. */
+    if( p_vpar->sequence.p_forward != NULL )
+    {
+        vout_UnlinkPicture( p_vpar->p_vout, p_vpar->sequence.p_forward );
+    }
+    if( p_vpar->sequence.p_backward != NULL )
+    {
+        vout_DatePicture( p_vpar->p_vout, p_vpar->sequence.p_backward,
+                          vpar_SynchroDate( p_vpar ) );
+        vout_UnlinkPicture( p_vpar->p_vout, p_vpar->sequence.p_backward );
+    }
+    if( p_vpar->picture.p_picture != NULL )
+    {
+        vout_DestroyPicture( p_vpar->p_vout, p_vpar->picture.p_picture );
+    }
+
 #ifdef STATS
     intf_Msg("vpar stats: %d loops among %d sequence(s)",
              p_vpar->c_loops, p_vpar->c_sequences);
@@ -386,7 +491,60 @@ static void EndThread( vpar_thread_t *p_vpar )
 #endif
 
     free( p_vpar->p_config );
+
+#ifdef VDEC_SMP
+    /* Destroy lock and cond */
+    vlc_mutex_destroy( &(p_vpar->vbuffer.lock) );
+    vlc_cond_destroy( &(p_vpar->vfifo.wait) );
+    vlc_mutex_destroy( &(p_vpar->vfifo.lock) );
+#endif
+    
+    vlc_mutex_destroy( &(p_vpar->synchro.fifo_lock) );
+    
+    module_Unneed( p_vpar->p_idct_module );
+    module_Unneed( p_vpar->p_motion_module );
+
     free( p_vpar );
 
     intf_DbgMsg("vpar debug: EndThread(%p)", p_vpar);
 }
+
+/*****************************************************************************
+ * BitstreamCallback: Import parameters from the new data/PES packet
+ *****************************************************************************
+ * This function is called by input's NextDataPacket.
+ *****************************************************************************/
+static void BitstreamCallback ( bit_stream_t * p_bit_stream,
+                                boolean_t b_new_pes )
+{
+    vpar_thread_t * p_vpar = (vpar_thread_t *)p_bit_stream->p_callback_arg;
+
+    if( b_new_pes )
+    {
+        p_vpar->sequence.next_pts =
+            DECODER_FIFO_START( *p_bit_stream->p_decoder_fifo )->i_pts;
+        p_vpar->sequence.next_dts =
+            DECODER_FIFO_START( *p_bit_stream->p_decoder_fifo )->i_dts;
+        p_vpar->sequence.i_current_rate =
+            DECODER_FIFO_START( *p_bit_stream->p_decoder_fifo )->i_rate;
+
+        if( DECODER_FIFO_START( *p_bit_stream->p_decoder_fifo )->b_discontinuity )
+        {
+#ifdef TRACE_VPAR
+            intf_DbgMsg( "Discontinuity in BitstreamCallback" );
+#endif
+            /* Escape the current picture and reset the picture predictors. */
+            p_vpar->sequence.b_expect_discontinuity = 1;
+            p_vpar->picture.b_error = 1;
+        }
+    }
+
+    if( p_bit_stream->p_data->b_discard_payload )
+    {
+#ifdef TRACE_VPAR
+        intf_DbgMsg( "Discard payload in BitstreamCallback" );
+#endif
+        /* 1 packet messed up, trash the slice. */
+        p_vpar->picture.b_error = 1;
+    }
+}