diff options
| -rw-r--r-- | libmpcodecs/Makefile | 2 | ||||
| -rw-r--r-- | libmpcodecs/vd_ffmpeg.c | 133 |
2 files changed, 134 insertions, 1 deletions
diff --git a/libmpcodecs/Makefile b/libmpcodecs/Makefile index f6c5565895..e745918269 100644 --- a/libmpcodecs/Makefile +++ b/libmpcodecs/Makefile @@ -3,7 +3,7 @@ include ../config.mak LIBNAME = libmpcodecs.a -SRCS=dec_video.c vd.c vd_null.c vd_cinepak.c vd_qtrpza.c +SRCS=dec_video.c vd.c vd_null.c vd_cinepak.c vd_qtrpza.c vd_ffmpeg.c OBJS=$(SRCS:.c=.o) diff --git a/libmpcodecs/vd_ffmpeg.c b/libmpcodecs/vd_ffmpeg.c new file mode 100644 index 0000000000..ec3f5f6376 --- /dev/null +++ b/libmpcodecs/vd_ffmpeg.c @@ -0,0 +1,133 @@ +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "config.h" +#include "mp_msg.h" +#include "help_mp.h" + +#ifdef USE_LIBAVCODEC + +#include "bswap.h" + +#include "codec-cfg.h" +#include "../libvo/img_format.h" + +#include "stream.h" +#include "demuxer.h" +#include "stheader.h" + +#include "vd.h" +#include "vd_internal.h" + +static vd_info_t info = { + "FFmpeg's libavcodec codec family", + "ffmpeg", + VFM_FFMPEG, + "A'rpi", + "http://ffmpeg.sf.net", + "native codecs" +}; + +LIBVD_EXTERN(ffmpeg) + +#ifdef USE_LIBAVCODEC_SO +#include <libffmpeg/avcodec.h> +#else +#include "libavcodec/avcodec.h" +#endif + +int avcodec_inited=0; + +//#ifdef FF_POSTPROCESS +//unsigned int lavc_pp=0; +//#endif + +// to set/get/query special features/parameters +static int control(sh_video_t *sh,int cmd,void* arg,...){ + return CONTROL_UNKNOWN; +} + +// init driver +static int init(sh_video_t *sh){ + AVCodec *lavc_codec; + AVCodecContext *ctx; + + if(!avcodec_inited){ + avcodec_init(); + avcodec_register_all(); + avcodec_inited=1; + } + + lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh->codec->dll); + if(!lavc_codec){ + mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingLAVCcodec,sh->codec->dll); + return 0; + } + + ctx = sh->context = malloc(sizeof(AVCodecContext)); + memset(ctx, 0, sizeof(AVCodecContext)); + + ctx->width = sh->disp_w; + ctx->height= sh->disp_h; + mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"libavcodec.size: %d x %d\n",ctx->width,ctx->height); + if (sh->format == mmioFOURCC('R', 'V', '1', '3')) + ctx->sub_id = 3; + /* open it */ + if (avcodec_open(ctx, lavc_codec) < 0) { + mp_msg(MSGT_DECVIDEO,MSGL_ERR, MSGTR_CantOpenCodec); + return 0; + } + mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: libavcodec init OK!\n"); + mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12); + return 1; +} + +// uninit driver +static void uninit(sh_video_t *sh){ + if (avcodec_close(sh->context) < 0) + mp_msg(MSGT_DECVIDEO,MSGL_ERR, MSGTR_CantCloseCodec); +} + +//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h); + +// decode a frame +static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){ + int got_picture=0; + int ret; + AVPicture lavc_picture; + AVCodecContext *ctx = sh->context; + mp_image_t* mpi; + + if(len<=0) return NULL; // skipped frame + + ret = avcodec_decode_video(sh->context, &lavc_picture, + &got_picture, data, len); + + if(ret<0) mp_msg(MSGT_DECVIDEO,MSGL_WARN, "Error while decoding frame!\n"); + if(!got_picture) return NULL; // skipped image + + mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE, + ctx->width, ctx->height); + if(!mpi){ // temporary! + printf("couldn't allocate image for cinepak codec\n"); + return NULL; + } + + mpi->planes[0]=lavc_picture.data[0]; + mpi->planes[1]=lavc_picture.data[1]; + mpi->planes[2]=lavc_picture.data[2]; + mpi->stride[0]=lavc_picture.linesize[0]; + mpi->stride[1]=lavc_picture.linesize[1]; + mpi->stride[2]=lavc_picture.linesize[2]; + + if(ctx->pix_fmt==PIX_FMT_YUV422P){ + mpi->stride[1]*=2; + mpi->stride[2]*=2; + } + + return mpi; +} + +#endif + |