#include "dsputil.h"
#include "avcodec.h"
#include "mpegvideo.h"
-#include "h261data.h"
#include "h261.h"
+#include "h261data.h"
#define H261_MBA_VLC_BITS 9
#define H261_MTYPE_VLC_BITS 6
static int h261_decode_block(H261Context * h, DCTELEM * block, int n, int coded);
-static void h261_decode_init_vlc(H261Context *h){
+static av_cold void h261_decode_init_vlc(H261Context *h){
static int done = 0;
if(!done){
}
}
-static int h261_decode_init(AVCodecContext *avctx){
+static av_cold int h261_decode_init(AVCodecContext *avctx){
H261Context *h= avctx->priv_data;
MpegEncContext * const s = &h->s;
/**
* decodes the group of blocks header or slice header.
- * @return <0 if an error occured
+ * @return <0 if an error occurred
*/
static int h261_decode_gob_header(H261Context *h){
unsigned int val;
if(ret>=0)
return 0;
}
- //ok, its not where its supposed to be ...
+ //OK, it is not where it is supposed to be ...
s->gb= s->last_resync_gb;
align_get_bits(&s->gb);
left= s->gb.size_in_bits - get_bits_count(&s->gb);
/**
* decodes a macroblock
- * @return <0 if an error occured
+ * @return <0 if an error occurred
*/
static int h261_decode_block(H261Context * h, DCTELEM * block,
int n, int coded)
skip_bits(&s->gb, 8);
}
- // h261 has no I-FRAMES, but if we pass I_TYPE for the first frame, the codec crashes if it does
+ // h261 has no I-FRAMES, but if we pass FF_I_TYPE for the first frame, the codec crashes if it does
// not contain all I-blocks (e.g. when a packet is lost)
- s->pict_type = P_TYPE;
+ s->pict_type = FF_P_TYPE;
h->gob_number = 0;
return 0;
*/
static int get_consumed_bytes(MpegEncContext *s, int buf_size){
int pos= get_bits_count(&s->gb)>>3;
- if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
+ if(pos==0) pos=1; //avoid infinite loops (i doubt that is needed but ...)
if(pos+10>buf_size) pos=buf_size; // oops ;)
return pos;
static int h261_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
H261Context *h= avctx->priv_data;
MpegEncContext *s = &h->s;
return -1;
}
- //we need to set current_picture_ptr before reading the header, otherwise we cant store anyting im there
+ //we need to set current_picture_ptr before reading the header, otherwise we cannot store anyting im there
if(s->current_picture_ptr==NULL || s->current_picture_ptr->data[0]){
int i= ff_find_unused_picture(s, 0);
s->current_picture_ptr= &s->picture[i];
}
if (s->width != avctx->coded_width || s->height != avctx->coded_height){
- ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
+ ParseContext pc= s->parse_context; //FIXME move this demuxing hack to libavformat
s->parse_context.buffer=0;
MPV_common_end(s);
s->parse_context= pc;
// for hurry_up==5
s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == I_TYPE;
+ s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
/* skip everything if we are in a hurry>=5 */
if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
- ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
+ ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
return get_consumed_bytes(s, buf_size);
return get_consumed_bytes(s, buf_size);
}
-static int h261_decode_end(AVCodecContext *avctx)
+static av_cold int h261_decode_end(AVCodecContext *avctx)
{
H261Context *h= avctx->priv_data;
MpegEncContext *s = &h->s;