RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity
mpv/libmpcodecs/vd_ffmpeg.c

446 lines
12 KiB
C
Raw Blame History

#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 "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)
#include "../postproc/rgb2rgb.h"
#ifdef USE_LIBAVCODEC_SO
#include <libffmpeg/avcodec.h>
#else
#include "libavcodec/avcodec.h"
#endif
int avcodec_inited=0;
#ifdef FF_POSTPROCESS
int quant_store[MBR+1][MBC+1];
#endif
typedef struct {
AVCodecContext *avctx;
int last_aspect;
int do_slices;
int do_dr1;
int vo_inited;
int convert;
int yuy2_support;
#if LIBAVCODEC_BUILD >= 4615
int yvu9_support;
#endif
} vd_ffmpeg_ctx;
//#ifdef FF_POSTPROCESS
//unsigned int lavc_pp=0;
//#endif
#include "cfgparser.h"
static void get_buffer(struct AVCodecContext *avctx, int width, int height, int pict_type);
static int lavc_param_workaround_bugs=0;
static int lavc_param_error_resilience=0;
static int lavc_param_gray=0;
struct config lavc_decode_opts_conf[]={
#if LIBAVCODEC_BUILD >= 4611
{"bug", &lavc_param_workaround_bugs, CONF_TYPE_INT, CONF_RANGE, 0, 99, NULL},
{"ver", &lavc_param_error_resilience, CONF_TYPE_INT, CONF_RANGE, -1, 99, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4614
{"gray", &lavc_param_gray, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
#endif
{NULL, NULL, 0, 0, 0, 0, NULL}
};
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
vd_ffmpeg_ctx *ctx = sh->context;
switch(cmd){
case VDCTRL_QUERY_FORMAT:
switch(*((int*)arg)){
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
if(ctx->yvu9_support) return CONTROL_FALSE;
else return CONTROL_TRUE;
case IMGFMT_YUY2:
if(ctx->yuy2_support) return CONTROL_TRUE;
return CONTROL_FALSE;
#if LIBAVCODEC_BUILD >= 4615
case IMGFMT_YVU9:
if(ctx->yvu9_support) return CONTROL_TRUE;
return CONTROL_FALSE;
#endif
default:
return CONTROL_FALSE;
}
}
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh){
AVCodecContext *avctx;
vd_ffmpeg_ctx *ctx;
AVCodec *lavc_codec;
if(!avcodec_inited){
avcodec_init();
avcodec_register_all();
avcodec_inited=1;
}
ctx = sh->context = malloc(sizeof(vd_ffmpeg_ctx));
if (!ctx)
return(0);
memset(ctx, 0, sizeof(vd_ffmpeg_ctx));
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;
}
if(vd_use_slices && lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)
ctx->do_slices=1;
#if LIBAVCODEC_BUILD > 4615
if(lavc_codec->capabilities&CODEC_CAP_DR1)
ctx->do_dr1=1;
#endif
ctx->avctx = malloc(sizeof(AVCodecContext));
memset(ctx->avctx, 0, sizeof(AVCodecContext));
avctx = ctx->avctx;
#if LIBAVCODEC_BUILD > 4615
if(ctx->do_dr1){
avctx->flags|= CODEC_FLAG_EMU_EDGE | CODEC_FLAG_DR1;
avctx->get_buffer_callback= get_buffer;
}
#endif
avctx->width = sh->disp_w;
avctx->height= sh->disp_h;
#if LIBAVCODEC_BUILD >= 4611
avctx->workaround_bugs= lavc_param_workaround_bugs;
avctx->error_resilience= lavc_param_error_resilience;
#endif
#if LIBAVCODEC_BUILD >= 4614
if(lavc_param_gray) avctx->flags|= CODEC_FLAG_GRAY;
#endif
mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"libavcodec.size: %d x %d\n",avctx->width,avctx->height);
if (sh->format == mmioFOURCC('R', 'V', '1', '3'))
avctx->sub_id = 3;
#if LIBAVCODEC_BUILD >= 4605
/* AVRn stores huffman table in AVI header */
/* Pegasus MJPEG stores it also in AVI header, but it uses the common
MJPG fourcc :( */
if (sh->bih && (sh->bih->biSize != sizeof(BITMAPINFOHEADER)) &&
(sh->format == mmioFOURCC('A','V','R','n') ||
sh->format == mmioFOURCC('M','J','P','G')))
{
avctx->flags |= CODEC_FLAG_EXTERN_HUFF;
avctx->extradata_size = sh->bih->biSize-sizeof(BITMAPINFOHEADER);
avctx->extradata = malloc(avctx->extradata_size);
memcpy(avctx->extradata, sh->bih+sizeof(BITMAPINFOHEADER),
avctx->extradata_size);
#if 0
{
int x;
uint8_t *p = avctx->extradata;
for (x=0; x<avctx->extradata_size; x++)
printf("[%x] ", p[x]);
printf("\n");
}
#endif
}
#endif
/* open it */
if (avcodec_open(avctx, lavc_codec) < 0) {
mp_msg(MSGT_DECVIDEO,MSGL_ERR, MSGTR_CantOpenCodec);
return 0;
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: libavcodec init OK!\n");
ctx->last_aspect=-3;
return 1; //mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12);
}
// uninit driver
static void uninit(sh_video_t *sh){
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
if (avcodec_close(avctx) < 0)
mp_msg(MSGT_DECVIDEO,MSGL_ERR, MSGTR_CantCloseCodec);
#if LIBAVCODEC_BUILD >= 4605
if (avctx->extradata_size)
free(avctx->extradata);
#endif
if (avctx)
free(avctx);
if (ctx)
free(ctx);
}
static void draw_slice(struct AVCodecContext *s,
UINT8 **src, int linesize,
int y, int width, int height){
sh_video_t * sh = s->opaque;
int stride[3];
int start=0, i;
int skip_stride= (s->width+15)>>4;
UINT8 *skip= &s->mbskip_table[(y>>4)*skip_stride];
#if LIBAVCODEC_BUILD > 4615
int threshold= s->pict_type==B_TYPE ? -99 : s->dr_ip_buffer_count;
#endif
stride[0]=linesize;
#if LIBAVCODEC_BUILD > 4615
if(s->dr_uvstride)
stride[1]=stride[2]= s->dr_uvstride;
else
#endif
stride[1]=stride[2]=stride[0]/2;
#if 0
if(s->pict_type!=B_TYPE){
for(i=0; i*16<width+16; i++){
if(i*16>=width || skip[i]>=threshold){
if(start==i) start++;
else{
UINT8 *src2[3]= {src[0] + start*16,
src[1] + start*8,
src[2] + start*8};
//printf("%2d-%2d x %d\n", start, i, y);
mpcodecs_draw_slice (sh,src2, stride, (i-start)*16, height, start*16, y);
start= i+1;
}
}
}
}else
#endif
mpcodecs_draw_slice (sh,src, stride, width, height, 0, y);
}
static int init_vo(sh_video_t *sh){
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
if (avctx->aspect_ratio_info != ctx->last_aspect ||
avctx->width != sh->disp_w ||
avctx->height != sh->disp_h ||
!ctx->vo_inited)
{
ctx->last_aspect = avctx->aspect_ratio_info;
switch(avctx->aspect_ratio_info)
{
case FF_ASPECT_4_3_625:
case FF_ASPECT_4_3_525:
sh->aspect = 4.0/3.0;
break;
case FF_ASPECT_16_9_625:
case FF_ASPECT_16_9_525:
sh->aspect = 16.0/9.0;
break;
case FF_ASPECT_SQUARE:
sh->aspect = 0.0;
break;
}
sh->disp_w = avctx->width;
sh->disp_h = avctx->height;
ctx->vo_inited=1;
ctx->yuy2_support=(avctx->pix_fmt==PIX_FMT_YUV422P);
#if LIBAVCODEC_BUILD >= 4615
ctx->yvu9_support=(avctx->pix_fmt==PIX_FMT_YUV410P);
#endif
if (!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,
ctx->yuy2_support ? IMGFMT_YUY2 : IMGFMT_YV12))
return -1;
ctx->convert=(sh->codec->outfmt[sh->outfmtidx]==IMGFMT_YUY2);
}
return 0;
}
#if LIBAVCODEC_BUILD > 4615
static void get_buffer(struct AVCodecContext *avctx, int width, int height, int pict_type){
sh_video_t * sh = avctx->opaque;
vd_ffmpeg_ctx *ctx = sh->context;
mp_image_t* mpi=NULL;
// int flags= MP_IMGFLAG_ALIGNED_STRIDE;
int flags= MP_IMGFLAG_ACCEPT_STRIDE;
int type= MP_IMGTYPE_IPB;
int align=15;
if(avctx->pix_fmt == PIX_FMT_YUV410P)
align=63; //yes seriously, its really needed (16x16 chroma blocks in SVQ1 -> 64x64)
if(init_vo(sh)<0){
printf("init_vo failed\n");
return;
}
if(pict_type==B_TYPE)
flags|=(!avctx->hurry_up && ctx->do_slices) ?
MP_IMGFLAG_DRAW_CALLBACK:0;
else
flags|= MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE
| (ctx->do_slices ? MP_IMGFLAG_DRAW_CALLBACK : 0);
#if LIBAVCODEC_BUILD > 4616
if(avctx->has_b_frames){
type= MP_IMGTYPE_IPB;
}else{
type= MP_IMGTYPE_IP;
}
#endif
mp_msg(MSGT_DECVIDEO,MSGL_DBG2, type== MP_IMGTYPE_IPB ? "using IPB\n" : "using IP\n");
mpi= mpcodecs_get_image(sh,type, flags,
(width+align)&(~align), (height+align)&(~align));
// ok, lets see what did we get:
if( mpi->flags&MP_IMGFLAG_DRAW_CALLBACK &&
!(mpi->flags&MP_IMGFLAG_DIRECT)){
// nice, filter/vo likes draw_callback :)
avctx->draw_horiz_band= draw_slice;
} else
avctx->draw_horiz_band= NULL;
avctx->dr_buffer[0]= mpi->planes[0];
avctx->dr_buffer[1]= mpi->planes[1];
avctx->dr_buffer[2]= mpi->planes[2];
if(avctx->dr_stride && avctx->dr_stride !=mpi->stride[0]){
mp_msg(MSGT_DECVIDEO,MSGL_ERR, "Error: stride changed\n");
}
avctx->dr_stride = mpi->stride[0];
avctx->dr_uvstride = mpi->stride[1];
avctx->dr_opaque_frame = mpi;
avctx->dr_ip_buffer_count=2; //FIXME
//printf("%X\n", (int)mpi->planes[0]);
}
#endif
// 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;
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
mp_image_t* mpi=NULL;
int dr1= ctx->do_dr1;
if(len<=0) return NULL; // skipped frame
avctx->draw_horiz_band=NULL;
avctx->opaque=sh;
if(ctx->vo_inited && !ctx->convert && !(flags&3) && !dr1){
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE |
(ctx->do_slices?MP_IMGFLAG_DRAW_CALLBACK:0),
sh->disp_w, sh->disp_h);
if(mpi && mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
// vd core likes slices!
avctx->draw_horiz_band=draw_slice;
}
}
#if LIBAVCODEC_BUILD > 4603
avctx->hurry_up=(flags&3)?((flags&2)?2:1):0;
#endif
ret = avcodec_decode_video(avctx, &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
if(init_vo(sh)<0) return NULL;
#if LIBAVCODEC_BUILD > 4615
if(dr1 && avctx->dr_opaque_frame){
mpi= (mp_image_t*)avctx->dr_opaque_frame;
}
#endif
if(!mpi && ctx->convert){
// do yuv422p -> yuy2 conversion:
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
avctx->width, avctx->height);
if(!mpi) return NULL;
yuv422ptoyuy2(lavc_picture.data[0],lavc_picture.data[1],lavc_picture.data[2],
mpi->planes[0],avctx->width,avctx->height,
lavc_picture.linesize[0],lavc_picture.linesize[1],mpi->stride[0]);
return mpi;
}
if(!mpi)
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE,
avctx->width, avctx->height);
if(!mpi){ // temporary!
printf("couldn't allocate image for codec\n");
return NULL;
}
if(!dr1){
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(avctx->pix_fmt==PIX_FMT_YUV422P){
// we have 422p but user wants yv12 (420p)
mpi->stride[1]*=2;
mpi->stride[2]*=2;
}
/* to comfirm with newer lavc style */
#if !defined(FF_POSTPROCESS) && (LIBAVCODEC_BUILD > 4612)
mpi->qscale=avctx->quant_store;
#if LIBAVCODEC_BUILD > 4613
mpi->qstride=avctx->qstride;
#else
mpi->qstride=MBC+1;
#endif
#else ifdef FF_POSTPROCESS
mpi->qscale=&quant_store[0][0];
mpi->qstride=MBC+1;
#endif
return mpi;
}
#endif
Reference in New Issue View Git Blame Copy Permalink