native DV audio/video decoders using libdv

based on patch by Alexander Neundorf <neundorf@kde.org>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6928 b3059339-0415-0410-9bf9-f77b7e298cf2

cfg-common.h

@@ -104,8 +104,8 @@
 	{"nosound", &has_audio, CONF_TYPE_FLAG, 0, 1, 0, NULL},
 
 	// select audio/video codec (by name) or codec family (by number):
-	{"afm", &audio_family, CONF_TYPE_INT, CONF_MIN, 0, 16, NULL}, // keep ranges in sync
+	{"afm", &audio_family, CONF_TYPE_INT, CONF_MIN, 0, 22, NULL}, // keep ranges in sync
-	{"vfm", &video_family, CONF_TYPE_INT, CONF_MIN, 0, 14, NULL}, // with codec-cfg.c
+	{"vfm", &video_family, CONF_TYPE_INT, CONF_MIN, 0, 29, NULL}, // with codec-cfg.c
 	{"ac", &audio_codec, CONF_TYPE_STRING, 0, 0, 0, NULL},
 	{"vc", &video_codec, CONF_TYPE_STRING, 0, 0, 0, NULL},
 

codec-cfg.c

@@ -235,6 +235,7 @@ static short get_driver(char *s,int audioflag)
 		"roqaudio",
 		"faad",
 		"realaud",
+		"libdv",
 		NULL
 	};
 	static char *videodrv[] = {
@@ -267,6 +268,7 @@ static short get_driver(char *s,int audioflag)
 		"realvid",
 		"svq1",
 		"xvid",
+		"libdv",
 		NULL
 	};
         char **drv=audioflag?audiodrv:videodrv;

codec-cfg.h

@@ -48,6 +48,7 @@
 #define AFM_ROQAUDIO 19
 #define AFM_AAC 20
 #define AFM_REAL 21
+#define AFM_LIBDV 22
 
 #define VFM_MPEG 1
 #define VFM_VFW 2
@@ -77,6 +78,7 @@
 #define VFM_REAL 26
 #define VFM_SVQ1 27
 #define VFM_XVID 28
+#define VFM_LIBDV 29
 
 #ifndef GUID_TYPE
 #define GUID_TYPE

configure

@@ -4182,9 +4182,9 @@ ARCH_LIB =  $_ld_arch $_ld_iconv
 DIVX4LINUX = $_divx4linux
 XVID = $_xvid
 XVID_LIB = $_ld_xvid
-DECORE_LIB = $_ld_decore
+DECORE_LIB = $_ld_decore $_ld_libdv
 MENCODER = $_mencoder
-ENCORE_LIB =  $_ld_encore $_ld_mp3lame $_ld_libdv
+ENCORE_LIB =  $_ld_encore $_ld_mp3lame
 DIRECTFB_INC = $_inc_directfb
 DIRECTFB_LIB = $_ld_directfb
 NEW_INPUT_LIB = $_ld_new_input

libmpcodecs/Makefile

@@ -4,8 +4,8 @@ include ../config.mak
 LIBNAME = libmpcodecs.a
 LIBNAME2 = libmpencoders.a
 
-AUDIO_SRCS=dec_audio.c ad.c ad_a52.c ad_acm.c ad_alaw.c ad_dk3adpcm.c ad_dshow.c ad_dvdpcm.c ad_ffmpeg.c ad_hwac3.c ad_imaadpcm.c ad_mp3.c ad_msadpcm.c ad_pcm.c ad_roqaudio.c ad_msgsm.c ad_faad.c ad_vorbis.c ad_libmad.c ad_real.c
+AUDIO_SRCS=dec_audio.c ad.c ad_a52.c ad_acm.c ad_alaw.c ad_dk3adpcm.c ad_dshow.c ad_dvdpcm.c ad_ffmpeg.c ad_hwac3.c ad_imaadpcm.c ad_mp3.c ad_msadpcm.c ad_pcm.c ad_roqaudio.c ad_msgsm.c ad_faad.c ad_vorbis.c ad_libmad.c ad_real.c ad_libdv.c
-VIDEO_SRCS=dec_video.c vd.c vd_null.c vd_real.c vd_cinepak.c vd_qtrpza.c vd_ffmpeg.c vd_dshow.c vd_vfw.c vd_odivx.c vd_divx4.c vd_raw.c vd_xanim.c vd_msvidc.c vd_fli.c vd_qtrle.c vd_qtsmc.c vd_roqvideo.c vd_cyuv.c vd_nuv.c vd_libmpeg2.c vd_msrle.c vd_huffyuv.c vd_zlib.c vd_mpegpes.c vd_svq1.c vd_xvid.c
+VIDEO_SRCS=dec_video.c vd.c vd_null.c vd_real.c vd_cinepak.c vd_qtrpza.c vd_ffmpeg.c vd_dshow.c vd_vfw.c vd_odivx.c vd_divx4.c vd_raw.c vd_xanim.c vd_msvidc.c vd_fli.c vd_qtrle.c vd_qtsmc.c vd_roqvideo.c vd_cyuv.c vd_nuv.c vd_libmpeg2.c vd_msrle.c vd_huffyuv.c vd_zlib.c vd_mpegpes.c vd_svq1.c vd_xvid.c vd_libdv.c
 VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c
 ENCODER_SRCS=ve.c ve_divx4.c ve_lavc.c ve_vfw.c ve_rawrgb.c ve_libdv.c
 NATIVE_SRCS=native/RTjpegN.c native/cinepak.c native/cyuv.c native/fli.c native/minilzo.c native/msvidc.c native/nuppelvideo.c native/qtrle.c native/qtrpza.c native/qtsmc.c native/roqav.c native/xa_gsm.c native/svq1.c

libmpcodecs/ad.c

@@ -35,6 +35,7 @@ extern ad_functions_t mpcodecs_ad_faad;
 extern ad_functions_t mpcodecs_ad_vorbis;
 extern ad_functions_t mpcodecs_ad_libmad;
 extern ad_functions_t mpcodecs_ad_real;
+extern ad_functions_t mpcodecs_ad_libdv;
 
 ad_functions_t* mpcodecs_ad_drivers[] =
 {
@@ -70,6 +71,9 @@ ad_functions_t* mpcodecs_ad_drivers[] =
 #endif
 #ifdef USE_REALCODECS
   &mpcodecs_ad_real,
+#endif
+#ifdef HAVE_LIBDV095
+  &mpcodecs_ad_libdv,
 #endif
   NULL
 };

libmpcodecs/ad_libdv.c

@@ -0,0 +1,115 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <math.h>
+
+#include "config.h"
+
+#ifdef HAVE_LIBDV095
+
+#include "img_format.h"
+
+#include <libdv/dv.h>
+#include <libdv/dv_types.h>
+
+#include "stream.h"
+#include "demuxer.h"
+#include "stheader.h"
+
+#include "ad_internal.h"
+
+static ad_info_t info =
+{
+	"Raw DV Audio Decoder",
+	"libdv",
+	AFM_LIBDV,
+	"Alexander Neundorf <neundorf@kde.org>",
+	"http://libdv.sf.net",
+	""
+};
+
+LIBAD_EXTERN(libdv)
+
+// defined in vd_libdv.c:
+dv_decoder_t*  init_global_rawdv_decoder();
+
+static int preinit(sh_audio_t *sh_audio)
+{
+  sh_audio->audio_out_minsize=4*DV_AUDIO_MAX_SAMPLES*2;
+  return 1;
+}
+
+static int16_t *audioBuffers[4]={NULL,NULL,NULL,NULL};
+
+static int init(sh_audio_t *sh)
+{
+  int i;
+  WAVEFORMATEX *h=sh->wf;
+
+  if(!h) return 0;
+   
+  sh->i_bps=h->nAvgBytesPerSec;
+  sh->channels=h->nChannels;
+  sh->samplerate=h->nSamplesPerSec;
+  sh->samplesize=(h->wBitsPerSample+7)/8;
+
+  sh->context=init_global_rawdv_decoder();
+
+  for (i=0; i < 4; i++)
+    audioBuffers[i] = malloc(2*DV_AUDIO_MAX_SAMPLES);
+
+  return 1;
+}
+
+static void uninit(sh_audio_t *sh_audio)
+{
+  int i;
+  for (i=0; i < 4; i++)
+    free(audioBuffers[i]);
+}
+
+static int control(sh_audio_t *sh,int cmd,void* arg, ...)
+{
+    // TODO!!!
+  return CONTROL_UNKNOWN;
+}
+
+static int decode_audio(sh_audio_t *audio, unsigned char *buf, int minlen, int maxlen)
+{
+   int len=0;
+   dv_decoder_t* decoder=audio->context;  //global_rawdv_decoder;
+   unsigned char* dv_audio_frame=NULL;
+   int xx=ds_get_packet(audio->ds,&dv_audio_frame);
+   if(xx<=0 || !dv_audio_frame) return 0; // EOF?
+
+   dv_parse_header(decoder, dv_audio_frame);
+   
+   if(xx!=decoder->frame_size)
+       printf("warning! audio framesize differs! read=%d  hdr=%d  \n",
+           xx, decoder->frame_size);
+
+   if (dv_decode_full_audio(decoder, dv_audio_frame,(int16_t**) audioBuffers))
+   {
+      /* Interleave the audio into a single buffer */
+      int i=0;
+      int16_t *bufP=(int16_t*)buf;
+      
+//      printf("samples=%d/%d  chans=%d  mem=%d  \n",decoder->audio->samples_this_frame,DV_AUDIO_MAX_SAMPLES,
+//          decoder->audio->num_channels, decoder->audio->samples_this_frame*decoder->audio->num_channels*2);
+
+//   return (44100/30)*4;
+
+      for (i=0; i < decoder->audio->samples_this_frame; i++)
+      {
+         int ch;
+         for (ch=0; ch < decoder->audio->num_channels; ch++)
+            bufP[len++] = audioBuffers[ch][i];
+      }
+   }
+   return len*2;
+}
+
+#endif
+

libmpcodecs/vd.c

@@ -53,6 +53,7 @@ extern vd_functions_t mpcodecs_vd_mpegpes;
 extern vd_functions_t mpcodecs_vd_real;
 extern vd_functions_t mpcodecs_vd_svq1;
 extern vd_functions_t mpcodecs_vd_xvid;
+extern vd_functions_t mpcodecs_vd_libdv;
 
 vd_functions_t* mpcodecs_vd_drivers[] = {
         &mpcodecs_vd_null,
@@ -104,6 +105,9 @@ vd_functions_t* mpcodecs_vd_drivers[] = {
 	&mpcodecs_vd_svq1,
 #ifdef HAVE_XVID
 	&mpcodecs_vd_xvid,
+#endif
+#ifdef HAVE_LIBDV095
+  &mpcodecs_vd_libdv,
 #endif
 	NULL
 };

libmpcodecs/vd_libdv.c

@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <math.h>
+
+#include "config.h"
+
+#ifdef HAVE_LIBDV095
+
+#include "img_format.h"
+
+#include <libdv/dv.h>
+#include <libdv/dv_types.h>
+
+#include "stream.h"
+#include "demuxer.h"
+#include "stheader.h"
+
+#include "vd_internal.h"
+
+static vd_info_t info =
+{
+	"Raw DV Video Decoder",
+	"libdv",
+	VFM_LIBDV,
+	"Alexander Neundorf <neundorf@kde.org>",
+	"http://libdv.sf.net",
+	""
+};
+
+LIBVD_EXTERN(libdv)
+
+// to set/get/query special features/parameters
+static int control(sh_video_t *sh,int cmd,void* arg,...){
+    return CONTROL_UNKNOWN;
+}
+
+static dv_decoder_t* global_rawdv_decoder=NULL;
+
+dv_decoder_t* init_global_rawdv_decoder()
+{
+ if(!global_rawdv_decoder){
+   global_rawdv_decoder=dv_decoder_new(TRUE,TRUE,FALSE);
+   global_rawdv_decoder->quality=DV_QUALITY_BEST;
+   global_rawdv_decoder->prev_frame_decoded = 0;
+ }
+ return global_rawdv_decoder;
+}
+
+// init driver
+static int init(sh_video_t *sh)
+{
+   sh->context = (void *)init_global_rawdv_decoder();
+   return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2);
+}
+
+// uninit driver
+static void uninit(sh_video_t *sh){
+}
+
+// decode a frame
+static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags)
+{
+   mp_image_t* mpi;
+   dv_decoder_t *decoder=sh->context;
+   
+   if(len<=0 || (flags&3)){
+//      fprintf(stderr,"decode() (rawdv) SKIPPED\n");
+      return NULL; // skipped frame
+   }
+
+   dv_parse_header(decoder, data);
+
+   mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, sh->disp_w, sh->disp_h);
+    
+   if(!mpi){	// temporary!
+      fprintf(stderr,"couldn't allocate image for stderr codec\n");
+      return NULL;
+   }
+
+   dv_decode_full_frame(decoder, data, e_dv_color_yuv, mpi->planes, mpi->stride);
+   
+   return mpi;
+}
+#endif
+