generic-library/ffmpeg
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* more consts

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Originally committed as revision 2847 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zdenek Kabelac 2004-03-05 14:21:56 +00:00
parent 49a37411f3
commit 5f0f7713ad
1 changed files with 11 additions and 10 deletions
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21
libavcodec/mpeg12.c
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@ -1768,9 +1768,9 @@ static int mpeg_decode_init(AVCodecContext *avctx)
/* return the 8 bit start code value and update the search
state. Return -1 if no start code found */
static int find_start_code(uint8_t **pbuf_ptr, uint8_t *buf_end)
static int find_start_code(const uint8_t **pbuf_ptr, const uint8_t *buf_end)
{
uint8_t *buf_ptr;
const uint8_t *buf_ptr;
unsigned int state=0xFFFFFFFF, v;
int val;
@ -1791,7 +1791,7 @@ static int find_start_code(uint8_t **pbuf_ptr, uint8_t *buf_end)
}
static int mpeg1_decode_picture(AVCodecContext *avctx,
uint8_t *buf, int buf_size)
const uint8_t *buf, int buf_size)
{
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
@ -2019,7 +2019,7 @@ static void mpeg_decode_picture_coding_extension(MpegEncContext *s)
}
static void mpeg_decode_extension(AVCodecContext *avctx,
uint8_t *buf, int buf_size)
const uint8_t *buf, int buf_size)
{
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
@ -2114,7 +2114,7 @@ static int mpeg_field_start(MpegEncContext *s){
* DECODE_SLICE_OK if this slice is ok<br>
*/
static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
uint8_t **buf, int buf_size)
const uint8_t **buf, int buf_size)
{
MpegEncContext *s = &s1->mpeg_enc_ctx;
AVCodecContext *avctx= s->avctx;
@ -2365,7 +2365,7 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict)
}
static int mpeg1_decode_sequence(AVCodecContext *avctx,
uint8_t *buf, int buf_size)
const uint8_t *buf, int buf_size)
{
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
@ -2584,7 +2584,7 @@ static void mpeg_decode_user_data(AVCodecContext *avctx,
}
static void mpeg_decode_gop(AVCodecContext *avctx,
uint8_t *buf, int buf_size){
const uint8_t *buf, int buf_size){
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
@ -2659,7 +2659,8 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
uint8_t *buf, int buf_size)
{
Mpeg1Context *s = avctx->priv_data;
uint8_t *buf_end, *buf_ptr;
const uint8_t *buf_end;
const uint8_t *buf_ptr;
int ret, start_code, input_size;
AVFrame *picture = data;
MpegEncContext *s2 = &s->mpeg_enc_ctx;
@ -2733,13 +2734,13 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
switch(start_code) {
case SEQ_START_CODE:
mpeg1_decode_sequence(avctx, buf_ptr,
input_size);
input_size);
break;
case PICTURE_START_CODE:
/* we have a complete image : we try to decompress it */
mpeg1_decode_picture(avctx,
buf_ptr, input_size);
buf_ptr, input_size);
break;
case EXT_START_CODE:
mpeg_decode_extension(avctx,