mirror of
https://github.com/mpv-player/mpv
synced 2024-12-19 05:15:12 +00:00
YV12 support (using libavcodec for mpeg1-I encoding)
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1936 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi
parent
bcf66fcbd8
commit
566f205119
@ -1,4 +1,4 @@
|
||||
//#define HAVE_DVB
|
||||
#define HAVE_DVB
|
||||
#define PES_MAX_SIZE 2048
|
||||
/*
|
||||
* Based on:
|
||||
@ -47,6 +47,24 @@ LIBVO_EXTERN (mpegpes)
|
||||
int vo_mpegpes_fd=-1;
|
||||
int vo_mpegpes_fd2=-1;
|
||||
|
||||
#ifdef USE_LIBAVCODEC
|
||||
|
||||
#include "../libavcodec/avcodec.h"
|
||||
|
||||
static unsigned char *picture_buf=NULL;
|
||||
static unsigned char *outbuf=NULL;
|
||||
static int outbuf_size = 100000;
|
||||
|
||||
static int s_pos_x,s_pos_y;
|
||||
static int d_pos_x,d_pos_y;
|
||||
|
||||
static AVPicture picture;
|
||||
static AVCodec *codec=NULL;
|
||||
static AVCodecContext codec_context;
|
||||
extern int avcodec_inited;
|
||||
|
||||
#endif
|
||||
|
||||
static vo_info_t vo_info =
|
||||
{
|
||||
#ifdef HAVE_DVB
|
||||
@ -60,7 +78,7 @@ static vo_info_t vo_info =
|
||||
};
|
||||
|
||||
static uint32_t
|
||||
init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
|
||||
init(uint32_t s_width, uint32_t s_height, uint32_t width, uint32_t height, uint32_t fullscreen, char *title, uint32_t format)
|
||||
{
|
||||
#ifdef HAVE_DVB
|
||||
//|O_NONBLOCK
|
||||
@ -114,6 +132,92 @@ init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint3
|
||||
perror("vo_mpegpes");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef USE_LIBAVCODEC
|
||||
picture_buf=NULL;
|
||||
if(format==IMGFMT_YV12){
|
||||
int size;
|
||||
|
||||
if(!avcodec_inited){
|
||||
avcodec_init();
|
||||
avcodec_register_all();
|
||||
avcodec_inited=1;
|
||||
}
|
||||
|
||||
/* find the mpeg1 video encoder */
|
||||
codec = avcodec_find_encoder(CODEC_ID_MPEG1VIDEO);
|
||||
if (!codec) {
|
||||
fprintf(stderr, "mpeg1 codec not found\n");
|
||||
return -1;
|
||||
}
|
||||
memset(&codec_context,0,sizeof(codec_context));
|
||||
codec_context.bit_rate=100000; // not used
|
||||
codec_context.frame_rate=25*FRAME_RATE_BASE; // !!!!!
|
||||
codec_context.gop_size=0; // I frames only
|
||||
codec_context.flags=CODEC_FLAG_QSCALE;
|
||||
codec_context.quality=2; // quality! 1..31 (1=best,slowest)
|
||||
|
||||
#if 0
|
||||
codec_context.width=width;
|
||||
codec_context.height=height;
|
||||
#else
|
||||
if(width<=352 && height<=288){
|
||||
codec_context.width=352;
|
||||
codec_context.height=288;
|
||||
} else
|
||||
if(width<=352 && height<=576){
|
||||
codec_context.width=352;
|
||||
codec_context.height=576;
|
||||
} else
|
||||
if(width<=480 && height<=576){
|
||||
codec_context.width=480;
|
||||
codec_context.height=576;
|
||||
} else
|
||||
if(width<=544 && height<=576){
|
||||
codec_context.width=544;
|
||||
codec_context.height=576;
|
||||
} else {
|
||||
codec_context.width=704;
|
||||
codec_context.height=576;
|
||||
}
|
||||
#endif
|
||||
|
||||
d_pos_x=(codec_context.width-(int)s_width)/2;
|
||||
if(d_pos_x<0){
|
||||
s_pos_x=-d_pos_x;d_pos_x=0;
|
||||
} else s_pos_x=0;
|
||||
|
||||
d_pos_y=(codec_context.height-(int)s_height)/2;
|
||||
if(d_pos_y<0){
|
||||
s_pos_y=-d_pos_y;d_pos_y=0;
|
||||
} else s_pos_y=0;
|
||||
|
||||
printf("[vo] position mapping: %d;%d => %d;%d\n",s_pos_x,s_pos_y,d_pos_x,d_pos_y);
|
||||
|
||||
/* open it */
|
||||
if (avcodec_open(&codec_context, codec) < 0) {
|
||||
fprintf(stderr, "could not open codec\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
outbuf_size=10000+width*height; // must be enough!
|
||||
outbuf = malloc(outbuf_size);
|
||||
|
||||
size = codec_context.width*codec_context.height;
|
||||
picture_buf = malloc((size * 3) / 2); /* size for YUV 420 */
|
||||
|
||||
memset(picture_buf,0,size); // clear Y
|
||||
memset(picture_buf+size,128,size/2); // clear UV
|
||||
|
||||
picture.data[0] = picture_buf;
|
||||
picture.data[1] = picture.data[0] + size;
|
||||
picture.data[2] = picture.data[1] + size / 4;
|
||||
picture.linesize[0] = codec_context.width;
|
||||
picture.linesize[1] = codec_context.width / 2;
|
||||
picture.linesize[2] = codec_context.width / 2;
|
||||
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
@ -128,15 +232,6 @@ static void draw_osd(void)
|
||||
{
|
||||
}
|
||||
|
||||
static void flip_page (void)
|
||||
{
|
||||
}
|
||||
|
||||
static uint32_t draw_slice(uint8_t *srcimg[], int stride[], int w,int h,int x,int y)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define NFD 2
|
||||
|
||||
static void my_write(unsigned char* data,int len){
|
||||
@ -215,16 +310,83 @@ static uint32_t draw_frame(uint8_t * src[])
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void flip_page (void)
|
||||
{
|
||||
#ifdef USE_LIBAVCODEC
|
||||
if(picture_buf){ // YV12 only:
|
||||
int out_size;
|
||||
static int fno=0;
|
||||
/* encode the image */
|
||||
out_size = avcodec_encode_video(&codec_context, outbuf, outbuf_size, &picture);
|
||||
send_pes_packet(outbuf,out_size,0x1E0,fno*(90000/25));++fno;
|
||||
// printf("frame size: %d \n",out_size);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
static uint32_t draw_slice(uint8_t *srcimg[], int stride[], int w,int h,int x0,int y0)
|
||||
{
|
||||
#ifdef USE_LIBAVCODEC
|
||||
int y;
|
||||
unsigned char* s;
|
||||
unsigned char* d;
|
||||
|
||||
x0+=d_pos_x;
|
||||
y0+=d_pos_y;
|
||||
if(w>picture.linesize[0]) w=picture.linesize[0]; // !!
|
||||
|
||||
// Y
|
||||
s=srcimg[0]+s_pos_x+s_pos_y*stride[0];
|
||||
d=picture.data[0]+x0+y0*picture.linesize[0];
|
||||
for(y=0;y<h;y++){
|
||||
memcpy(d,s,w);
|
||||
s+=stride[0];
|
||||
d+=picture.linesize[0];
|
||||
}
|
||||
|
||||
w/=2;h/=2;x0/=2;y0/=2;
|
||||
|
||||
// U
|
||||
s=srcimg[1]+(s_pos_x/2)+(s_pos_y/2)*stride[1];
|
||||
d=picture.data[1]+x0+y0*picture.linesize[1];
|
||||
for(y=0;y<h;y++){
|
||||
memcpy(d,s,w);
|
||||
s+=stride[1];
|
||||
d+=picture.linesize[1];
|
||||
}
|
||||
|
||||
// V
|
||||
s=srcimg[2]+(s_pos_x/2)+(s_pos_y/2)*stride[2];
|
||||
d=picture.data[2]+x0+y0*picture.linesize[2];
|
||||
for(y=0;y<h;y++){
|
||||
memcpy(d,s,w);
|
||||
s+=stride[2];
|
||||
d+=picture.linesize[2];
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static uint32_t
|
||||
query_format(uint32_t format)
|
||||
{
|
||||
if(format==IMGFMT_MPEGPES) return 1;
|
||||
#ifdef USE_LIBAVCODEC
|
||||
if(format==IMGFMT_YV12) return 1;
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
uninit(void)
|
||||
{
|
||||
#ifdef USE_LIBAVCODEC
|
||||
if(picture_buf){ // YV12 only:
|
||||
free(outbuf);
|
||||
free(picture_buf);
|
||||
}
|
||||
#endif
|
||||
if(vo_mpegpes_fd>=0){ close(vo_mpegpes_fd);vo_mpegpes_fd=-1;}
|
||||
if(vo_mpegpes_fd2>=0){ close(vo_mpegpes_fd2);vo_mpegpes_fd2=-1;}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user