diff options
author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-08-05 17:23:22 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-08-05 17:23:22 +0000 |
commit | 19704bb73a507b54aa8ddd208610fd548aeac3a1 (patch) | |
tree | ff99df4f34a20a52069c2d7987eb743c8261a8d5 /libmpcodecs | |
parent | 54646d462b3fbe1c7d6e539a3181daf20721b5f5 (diff) | |
download | mpv-19704bb73a507b54aa8ddd208610fd548aeac3a1.tar.bz2 mpv-19704bb73a507b54aa8ddd208610fd548aeac3a1.tar.xz |
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
Diffstat (limited to 'libmpcodecs')
-rw-r--r-- | libmpcodecs/Makefile | 4 | ||||
-rw-r--r-- | libmpcodecs/ad.c | 4 | ||||
-rw-r--r-- | libmpcodecs/ad_libdv.c | 115 | ||||
-rw-r--r-- | libmpcodecs/vd.c | 4 | ||||
-rw-r--r-- | libmpcodecs/vd_libdv.c | 88 |
5 files changed, 213 insertions, 2 deletions
diff --git a/libmpcodecs/Makefile b/libmpcodecs/Makefile index 8b534ae605..bc3ff0d596 100644 --- a/libmpcodecs/Makefile +++ b/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 -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 +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 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 diff --git a/libmpcodecs/ad.c b/libmpcodecs/ad.c index 52eb0a3271..d5b8ec2a4d 100644 --- a/libmpcodecs/ad.c +++ b/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[] = { @@ -71,5 +72,8 @@ ad_functions_t* mpcodecs_ad_drivers[] = #ifdef USE_REALCODECS &mpcodecs_ad_real, #endif +#ifdef HAVE_LIBDV095 + &mpcodecs_ad_libdv, +#endif NULL }; diff --git a/libmpcodecs/ad_libdv.c b/libmpcodecs/ad_libdv.c new file mode 100644 index 0000000000..0cd5553f8b --- /dev/null +++ b/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 + diff --git a/libmpcodecs/vd.c b/libmpcodecs/vd.c index 31a6cf68f4..8bfb525192 100644 --- a/libmpcodecs/vd.c +++ b/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, @@ -105,6 +106,9 @@ vd_functions_t* mpcodecs_vd_drivers[] = { #ifdef HAVE_XVID &mpcodecs_vd_xvid, #endif +#ifdef HAVE_LIBDV095 + &mpcodecs_vd_libdv, +#endif NULL }; diff --git a/libmpcodecs/vd_libdv.c b/libmpcodecs/vd_libdv.c new file mode 100644 index 0000000000..c890d550d7 --- /dev/null +++ b/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 + |