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Code Issues Releases Wiki Activity

-framedrop worx fro mpeg files 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@968 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-06-03 18:22:59 +00:00
parent 6464ede773
commit ac2afeb46f
3 changed files with 16 additions and 14 deletions
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24
libmpeg2/decode.c
View File

@ -52,7 +52,7 @@ mpeg2_config_t config;
//static uint8_t chunk_buffer[224 * 1024 + 4];
//static uint32_t shift = 0;
static int drop_flag = 0;
//static int drop_flag = 0;
static int drop_frame = 0;
#ifdef MPEG12_POSTPROC
@ -151,7 +151,7 @@ static void copy_slice (vo_frame_t * frame, uint8_t ** src){
static int in_slice_flag=0;
static int parse_chunk (vo_functions_t * output, int code, uint8_t * buffer)
static int parse_chunk (vo_functions_t * output, int code, uint8_t * buffer, int framedrop)
{
int is_frame_done = 0;
@ -163,6 +163,7 @@ static int parse_chunk (vo_functions_t * output, int code, uint8_t * buffer)
// if(picture->picture_structure != FRAME_PICTURE) printf("Field! %d \n",picture->second_field);
if(!framedrop)
if (((picture->picture_structure == FRAME_PICTURE) ||
(picture->second_field))
) {
@ -208,7 +209,8 @@ static int parse_chunk (vo_functions_t * output, int code, uint8_t * buffer)
//exit (1);
}
drop_frame = drop_flag && (picture->picture_coding_type == B_TYPE);
drop_frame = framedrop && (picture->picture_coding_type == B_TYPE);
drop_frame |= framedrop>=2; // hard drop
//decode_reorder_frames ();
break;
@ -259,7 +261,7 @@ static int parse_chunk (vo_functions_t * output, int code, uint8_t * buffer)
#endif
picture->current_frame->copy=copy_slice;
#endif
if(framedrop) picture->current_frame->copy=NULL;
picture->current_frame->vo=output;
picture->slice=0;
@ -285,7 +287,7 @@ static void mpeg2_sighandler(int sig){
longjmp(mpeg2_jmp_buf,1);
}
int mpeg2_decode_data (vo_functions_t *output, uint8_t *current, uint8_t *end)
int mpeg2_decode_data (vo_functions_t *output, uint8_t *current, uint8_t *end,int framedrop)
{
//static uint8_t code = 0xff;
//static uint8_t chunk_buffer[65536];
@ -323,7 +325,7 @@ while(current<end){
//if((code&0x100)!=0x100) printf("libmpeg2: FATAL! code=%X\n",code);
//printf("pos=%d chunk %3X size=%d next-code=%X\n",pos-start,code,current-pos,head|c);
if(setjmp(mpeg2_jmp_buf)==0){
ret+=parse_chunk(output, code&0xFF, pos);
ret+=parse_chunk(output, code&0xFF, pos, framedrop);
} else {
#ifdef ARCH_X86
if (config.flags & MM_ACCEL_X86_MMX) emms ();
@ -337,13 +339,13 @@ while(current<end){
signal(SIGSEGV,old_sigh); // restore sighandler
if(code==0x1FF) ret+=parse_chunk(output, 0xFF, NULL); // send 'end of frame'
if(code==0x1FF) ret+=parse_chunk(output, 0xFF, NULL, framedrop); // send 'end of frame'
return ret;
}
void mpeg2_drop (int flag)
{
drop_flag = flag;
}
//void mpeg2_drop (int flag)
//{
// drop_flag = flag;
//}

4
libmpeg2/mpeg2.h
View File

@ -51,9 +51,9 @@ typedef struct mpeg2dec_s {
void mpeg2_init (void);
//void mpeg2_allocate_image_buffers (picture_t * picture);
int mpeg2_decode_data (vo_functions_t *, uint8_t * data_start, uint8_t * data_end);
int mpeg2_decode_data (vo_functions_t *, uint8_t * data_start, uint8_t * data_end,int framedrop);
//void mpeg2_close (vo_functions_t *);
void mpeg2_drop (int flag);
//void mpeg2_drop (int flag);

2
mplayer.c
View File

@ -1711,7 +1711,7 @@ switch(sh_video->codec->driver){
}
t-=GetTimer();
mpeg2_decode_data(video_out, videobuffer, videobuffer+videobuf_len);
mpeg2_decode_data(video_out, videobuffer, videobuffer+videobuf_len,drop_frame);
t+=GetTimer(); video_time_usage+=t*0.000001;
newfps=frameratecode2framerate[picture->frame_rate_code]*0.0001f;