diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2008-02-01 14:55:18 +0000 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2008-02-01 14:55:18 +0000 |
commit | 530902f3c710a8998c720a6b74dd60dee835d61d (patch) | |
tree | e2eebc625448a2e70548f17f735d78be0218cd9a /libavcodec | |
parent | 48670d4740f97eec85431f5b9585b16368f70889 (diff) | |
download | ffmpeg-streaming-530902f3c710a8998c720a6b74dd60dee835d61d.zip ffmpeg-streaming-530902f3c710a8998c720a6b74dd60dee835d61d.tar.gz |
const
Originally committed as revision 11754 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/4xm.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c index dbcf47a..323dc6d 100644 --- a/libavcodec/4xm.c +++ b/libavcodec/4xm.c @@ -131,8 +131,8 @@ typedef struct FourXContext{ AVFrame current_picture, last_picture; GetBitContext pre_gb; ///< ac/dc prefix GetBitContext gb; - uint8_t *bytestream; - uint16_t *wordstream; + const uint8_t *bytestream; + const uint16_t *wordstream; int mv[256]; VLC pre_vlc; int last_dc; @@ -347,7 +347,7 @@ static int get32(void *p){ return le2me_32(*(uint32_t*)p); } -static int decode_p_frame(FourXContext *f, uint8_t *buf, int length){ +static int decode_p_frame(FourXContext *f, const uint8_t *buf, int length){ int x, y; const int width= f->avctx->width; const int height= f->avctx->height; @@ -379,10 +379,10 @@ static int decode_p_frame(FourXContext *f, uint8_t *buf, int length){ } f->bitstream_buffer= av_fast_realloc(f->bitstream_buffer, &f->bitstream_buffer_size, bitstream_size + FF_INPUT_BUFFER_PADDING_SIZE); - f->dsp.bswap_buf((uint32_t*)f->bitstream_buffer, (uint32_t*)(buf + extra), bitstream_size/4); + f->dsp.bswap_buf((uint32_t*)f->bitstream_buffer, (const uint32_t*)(buf + extra), bitstream_size/4); init_get_bits(&f->gb, f->bitstream_buffer, 8*bitstream_size); - f->wordstream= (uint16_t*)(buf + extra + bitstream_size); + f->wordstream= (const uint16_t*)(buf + extra + bitstream_size); f->bytestream= buf + extra + bitstream_size + wordstream_size; init_mv(f); @@ -396,12 +396,12 @@ static int decode_p_frame(FourXContext *f, uint8_t *buf, int length){ } if( bitstream_size != (get_bits_count(&f->gb)+31)/32*4 - || (((char*)f->wordstream - (char*)buf + 2)&~2) != extra + bitstream_size + wordstream_size - || (((char*)f->bytestream - (char*)buf + 3)&~3) != extra + bitstream_size + wordstream_size + bytestream_size) + || (((const char*)f->wordstream - (const char*)buf + 2)&~2) != extra + bitstream_size + wordstream_size + || (((const char*)f->bytestream - (const char*)buf + 3)&~3) != extra + bitstream_size + wordstream_size + bytestream_size) av_log(f->avctx, AV_LOG_ERROR, " %d %td %td bytes left\n", bitstream_size - (get_bits_count(&f->gb)+31)/32*4, - -(((char*)f->bytestream - (char*)buf + 3)&~3) + (extra + bitstream_size + wordstream_size + bytestream_size), - -(((char*)f->wordstream - (char*)buf + 2)&~2) + (extra + bitstream_size + wordstream_size) + -(((const char*)f->bytestream - (const char*)buf + 3)&~3) + (extra + bitstream_size + wordstream_size + bytestream_size), + -(((const char*)f->wordstream - (const char*)buf + 2)&~2) + (extra + bitstream_size + wordstream_size) ); return 0; @@ -512,14 +512,14 @@ static int decode_i_mb(FourXContext *f){ return 0; } -static uint8_t *read_huffman_tables(FourXContext *f, uint8_t * const buf){ +static const uint8_t *read_huffman_tables(FourXContext *f, const uint8_t * const buf){ int frequency[512]; uint8_t flag[512]; int up[512]; uint8_t len_tab[257]; int bits_tab[257]; int start, end; - uint8_t *ptr= buf; + const uint8_t *ptr= buf; int j; memset(frequency, 0, sizeof(frequency)); @@ -596,7 +596,7 @@ static int mix(int c0, int c1){ return red/3*1024 + green/3*32 + blue/3; } -static int decode_i2_frame(FourXContext *f, uint8_t *buf, int length){ +static int decode_i2_frame(FourXContext *f, const uint8_t *buf, int length){ int x, y, x2, y2; const int width= f->avctx->width; const int height= f->avctx->height; @@ -632,7 +632,7 @@ static int decode_i2_frame(FourXContext *f, uint8_t *buf, int length){ return 0; } -static int decode_i_frame(FourXContext *f, uint8_t *buf, int length){ +static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length){ int x, y; const int width= f->avctx->width; const int height= f->avctx->height; @@ -641,7 +641,7 @@ static int decode_i_frame(FourXContext *f, uint8_t *buf, int length){ const unsigned int bitstream_size= get32(buf); const int token_count av_unused = get32(buf + bitstream_size + 8); unsigned int prestream_size= 4*get32(buf + bitstream_size + 4); - uint8_t *prestream= buf + bitstream_size + 12; + const uint8_t *prestream= buf + bitstream_size + 12; if(prestream_size + bitstream_size + 12 != length || bitstream_size > (1<<26) @@ -657,7 +657,7 @@ static int decode_i_frame(FourXContext *f, uint8_t *buf, int length){ prestream_size= length + buf - prestream; f->bitstream_buffer= av_fast_realloc(f->bitstream_buffer, &f->bitstream_buffer_size, prestream_size + FF_INPUT_BUFFER_PADDING_SIZE); - f->dsp.bswap_buf((uint32_t*)f->bitstream_buffer, (uint32_t*)prestream, prestream_size/4); + f->dsp.bswap_buf((uint32_t*)f->bitstream_buffer, (const uint32_t*)prestream, prestream_size/4); init_get_bits(&f->pre_gb, f->bitstream_buffer, 8*prestream_size); f->last_dc= 0*128*8*8; @@ -680,7 +680,7 @@ static int decode_i_frame(FourXContext *f, uint8_t *buf, int length){ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, - uint8_t *buf, int buf_size) + const uint8_t *buf, int buf_size) { FourXContext * const f = avctx->priv_data; AVFrame *picture = data; |