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Originally committed as revision 11712 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-02-01 03:40:46 +00:00
parent b5777b942d
commit 2b3c8f8a6a
2 changed files with 7 additions and 7 deletions
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12
libavcodec/mjpegdec.c
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@ -1073,9 +1073,9 @@ static int valid_marker_list[] =
/* return the 8 bit start code value and update the search /* return the 8 bit start code value and update the search
state. Return -1 if no start code found */ state. Return -1 if no start code found */
static int find_marker(uint8_t **pbuf_ptr, uint8_t *buf_end) static int find_marker(const uint8_t **pbuf_ptr, const uint8_t *buf_end)
{ {
uint8_t *buf_ptr; const uint8_t *buf_ptr;
unsigned int v, v2; unsigned int v, v2;
int val; int val;
#ifdef DEBUG #ifdef DEBUG
@ -1105,10 +1105,10 @@ found:
int ff_mjpeg_decode_frame(AVCodecContext *avctx, int ff_mjpeg_decode_frame(AVCodecContext *avctx,
void *data, int *data_size, void *data, int *data_size,
uint8_t *buf, int buf_size) const uint8_t *buf, int buf_size)
{ {
MJpegDecodeContext *s = avctx->priv_data; MJpegDecodeContext *s = avctx->priv_data;
uint8_t *buf_end, *buf_ptr; const uint8_t *buf_end, *buf_ptr;
int start_code; int start_code;
AVFrame *picture = data; AVFrame *picture = data;
@ -1136,7 +1136,7 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx,
/* unescape buffer of SOS, use special treatment for JPEG-LS */ /* unescape buffer of SOS, use special treatment for JPEG-LS */
if (start_code == SOS && !s->ls) if (start_code == SOS && !s->ls)
{ {
uint8_t *src = buf_ptr; const uint8_t *src = buf_ptr;
uint8_t *dst = s->buffer; uint8_t *dst = s->buffer;
while (src<buf_end) while (src<buf_end)
@ -1163,7 +1163,7 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx,
(buf_end - buf_ptr) - (dst - s->buffer)); (buf_end - buf_ptr) - (dst - s->buffer));
} }
else if(start_code == SOS && s->ls){ else if(start_code == SOS && s->ls){
uint8_t *src = buf_ptr; const uint8_t *src = buf_ptr;
uint8_t *dst = s->buffer; uint8_t *dst = s->buffer;
int bit_count = 0; int bit_count = 0;
int t = 0, b = 0; int t = 0, b = 0;

2
libavcodec/mjpegdec.h
View File

@ -103,7 +103,7 @@ int ff_mjpeg_decode_init(AVCodecContext *avctx);
int ff_mjpeg_decode_end(AVCodecContext *avctx); int ff_mjpeg_decode_end(AVCodecContext *avctx);
int ff_mjpeg_decode_frame(AVCodecContext *avctx, int ff_mjpeg_decode_frame(AVCodecContext *avctx,
void *data, int *data_size, void *data, int *data_size,
uint8_t *buf, int buf_size); const uint8_t *buf, int buf_size);
int ff_mjpeg_decode_dqt(MJpegDecodeContext *s); int ff_mjpeg_decode_dqt(MJpegDecodeContext *s);
int ff_mjpeg_decode_dht(MJpegDecodeContext *s); int ff_mjpeg_decode_dht(MJpegDecodeContext *s);
int ff_mjpeg_decode_sof(MJpegDecodeContext *s); int ff_mjpeg_decode_sof(MJpegDecodeContext *s);