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Code Issues Releases Activity

Use AV_xx throughout libavcodec

Browse Source 
Originally committed as revision 9169 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla 2007-06-02 01:41:07 +00:00
parent 29b29011e5
commit 2c124cb65c
28 changed files with 79 additions and 157 deletions
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6
libavcodec/ac3enc.c
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@ -1136,12 +1136,10 @@ static int output_frame_end(AC3EncodeContext *s)
/* XXX: could precompute crc_inv */
crc_inv = pow_poly((CRC16_POLY >> 1), (16 * frame_size_58) - 16, CRC16_POLY);
crc1 = mul_poly(crc_inv, crc1, CRC16_POLY);
frame[2] = crc1 >> 8;
frame[3] = crc1;
AV_WB16(frame+2,crc1);
crc2 = bswap_16(av_crc(av_crc8005, 0, frame + 2 * frame_size_58, (frame_size - frame_size_58) * 2 - 2));
frame[2*frame_size - 2] = crc2 >> 8;
frame[2*frame_size - 1] = crc2;
AV_WB16(frame+2*frame_size-2,crc2);
// printf("n=%d frame_size=%d\n", n, frame_size);
return frame_size * 2;

15
libavcodec/adpcm.c
View File

@ -451,16 +451,14 @@ static int adpcm_encode_frame(AVCodecContext *avctx,
n = avctx->frame_size / 8;
c->status[0].prev_sample = (signed short)samples[0]; /* XXX */
/* c->status[0].step_index = 0; *//* XXX: not sure how to init the state machine */
*dst++ = (c->status[0].prev_sample) & 0xFF; /* little endian */
*dst++ = (c->status[0].prev_sample >> 8) & 0xFF;
bytestream_put_le16(&dst, c->status[0].prev_sample);
*dst++ = (unsigned char)c->status[0].step_index;
*dst++ = 0; /* unknown */
samples++;
if (avctx->channels == 2) {
c->status[1].prev_sample = (signed short)samples[1];
/* c->status[1].step_index = 0; */
*dst++ = (c->status[1].prev_sample) & 0xFF;
*dst++ = (c->status[1].prev_sample >> 8) & 0xFF;
bytestream_put_le16(&dst, c->status[1].prev_sample);
*dst++ = (unsigned char)c->status[1].step_index;
*dst++ = 0;
samples++;
@ -553,20 +551,17 @@ static int adpcm_encode_frame(AVCodecContext *avctx,
if (c->status[i].idelta < 16)
c->status[i].idelta = 16;
*dst++ = c->status[i].idelta & 0xFF;
*dst++ = c->status[i].idelta >> 8;
bytestream_put_le16(&dst, c->status[i].idelta);
}
for(i=0; i<avctx->channels; i++){
c->status[i].sample1= *samples++;
*dst++ = c->status[i].sample1 & 0xFF;
*dst++ = c->status[i].sample1 >> 8;
bytestream_put_le16(&dst, c->status[i].sample1);
}
for(i=0; i<avctx->channels; i++){
c->status[i].sample2= *samples++;
*dst++ = c->status[i].sample2 & 0xFF;
*dst++ = c->status[i].sample2 >> 8;
bytestream_put_le16(&dst, c->status[i].sample2);
}
if(avctx->trellis > 0) {

8
libavcodec/dsicinav.c
View File

@ -25,6 +25,7 @@
*/
#include "avcodec.h"
#include "bytestream.h"
typedef enum CinVideoBitmapIndex {
@ -206,7 +207,7 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
}
palette_type = buf[0];
palette_colors_count = buf[1] | (buf[2] << 8);
palette_colors_count = AV_RL16(buf+1);
bitmap_frame_type = buf[3];
buf += 4;
@ -215,13 +216,12 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
/* handle palette */
if (palette_type == 0) {
for (i = 0; i < palette_colors_count; ++i) {
cin->palette[i] = (buf[2] << 16) | (buf[1] << 8) | buf[0];
buf += 3;
cin->palette[i] = bytestream_get_le24(&buf);
bitmap_frame_size -= 3;
}
} else {
for (i = 0; i < palette_colors_count; ++i) {
cin->palette[buf[0]] = (buf[3] << 16) | (buf[2] << 8) | buf[1];
cin->palette[buf[0]] = AV_RL24(buf+1);
buf += 4;
bitmap_frame_size -= 4;
}

10
libavcodec/gif.c
View File

@ -132,13 +132,9 @@ static void gif_put_bits_rev(PutBitContext *s, int n, unsigned int value)
} else {
bit_buf |= value << (bit_cnt);
*s->buf_ptr = bit_buf & 0xff;
s->buf_ptr[1] = (bit_buf >> 8) & 0xff;
s->buf_ptr[2] = (bit_buf >> 16) & 0xff;
s->buf_ptr[3] = (bit_buf >> 24) & 0xff;
bytestream_put_le32(&s->buf_ptr, bit_buf);
//printf("bitbuf = %08x\n", bit_buf);
s->buf_ptr+=4;
if (s->buf_ptr >= s->buf_end)
puts("bit buffer overflow !!"); // should never happen ! who got rid of the callback ???
// flush_buffer_rev(s);
@ -195,9 +191,7 @@ static int gif_image_write_header(uint8_t **bytestream,
} else {
for(i=0;i<256;i++) {
v = palette[i];
bytestream_put_byte(bytestream, (v >> 16) & 0xff);
bytestream_put_byte(bytestream, (v >> 8) & 0xff);
bytestream_put_byte(bytestream, (v) & 0xff);
bytestream_put_be24(bytestream, v);
}
}

3
libavcodec/gifdec.c
View File

@ -96,8 +96,7 @@ static int gif_read_image(GifState *s)
n = (1 << bits_per_pixel);
spal = palette;
for(i = 0; i < n; i++) {
s->image_palette[i] = (0xff << 24) |
(spal[0] << 16) | (spal[1] << 8) | (spal[2]);
s->image_palette[i] = (0xff << 24) | AV_RB24(spal);
spal += 3;
}
for(; i < 256; i++)

27
libavcodec/interplayvideo.c
View File

@ -41,6 +41,7 @@
#include <unistd.h>
#include "avcodec.h"
#include "bytestream.h"
#include "dsputil.h"
#define PALETTE_COUNT 256
@ -297,10 +298,8 @@ static int ipvideo_decode_block_opcode_0x7(IpvideoContext *s)
/* need 2 more bytes from the stream */
CHECK_STREAM_PTR(2);
B[0] = *s->stream_ptr++;
B[1] = *s->stream_ptr++;
flags = (B[1] << 8) | B[0];
flags = bytestream_get_le16(&s->stream_ptr);
bitmask = 0x0001;
for (y = 0; y < 8; y += 2) {
for (x = 0; x < 8; x += 2, bitmask <<= 1) {
@ -478,7 +477,6 @@ static int ipvideo_decode_block_opcode_0x9(IpvideoContext *s)
{
int x, y;
unsigned char P[4];
unsigned char B[4];
unsigned int flags = 0;
int shifter = 0;
unsigned char pix;
@ -496,8 +494,7 @@ static int ipvideo_decode_block_opcode_0x9(IpvideoContext *s)
for (y = 0; y < 8; y++) {
/* get the next set of 8 2-bit flags */
flags = (s->stream_ptr[1] << 8) | s->stream_ptr[0];
s->stream_ptr += 2;
flags = bytestream_get_le16(&s->stream_ptr);
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
*s->pixel_ptr++ = P[(flags >> shifter) & 0x03];
}
@ -509,11 +506,7 @@ static int ipvideo_decode_block_opcode_0x9(IpvideoContext *s)
/* 1 of 4 colors for each 2x2 block, need 4 more bytes */
CHECK_STREAM_PTR(4);
B[0] = *s->stream_ptr++;
B[1] = *s->stream_ptr++;
B[2] = *s->stream_ptr++;
B[3] = *s->stream_ptr++;
flags = (B[3] << 24) | (B[2] << 16) | (B[1] << 8) | B[0];
flags = bytestream_get_le32(&s->stream_ptr);
shifter = 0;
for (y = 0; y < 8; y += 2) {
@ -535,11 +528,7 @@ static int ipvideo_decode_block_opcode_0x9(IpvideoContext *s)
for (y = 0; y < 8; y++) {
/* time to reload flags? */
if ((y == 0) || (y == 4)) {
B[0] = *s->stream_ptr++;
B[1] = *s->stream_ptr++;
B[2] = *s->stream_ptr++;
B[3] = *s->stream_ptr++;
flags = (B[3] << 24) | (B[2] << 16) | (B[1] << 8) | B[0];
flags = bytestream_get_le32(&s->stream_ptr);
shifter = 0;
}
for (x = 0; x < 8; x += 2, shifter += 2) {
@ -558,11 +547,7 @@ static int ipvideo_decode_block_opcode_0x9(IpvideoContext *s)
for (y = 0; y < 8; y += 2) {
/* time to reload flags? */
if ((y == 0) || (y == 4)) {
B[0] = *s->stream_ptr++;
B[1] = *s->stream_ptr++;
B[2] = *s->stream_ptr++;
B[3] = *s->stream_ptr++;
flags = (B[3] << 24) | (B[2] << 16) | (B[1] << 8) | B[0];
flags = bytestream_get_le32(&s->stream_ptr);
shifter = 0;
}
for (x = 0; x < 8; x++, shifter += 2) {

6
libavcodec/kmvc.c
View File

@ -29,6 +29,7 @@
#include <stdlib.h>
#include "avcodec.h"
#include "bytestream.h"
#define KMVC_KEYFRAME 0x80
#define KMVC_PALETTE 0x40
@ -249,7 +250,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, uint
if (buf[0] == 127) {
buf += 3;
for (i = 0; i < 127; i++) {
ctx->pal[i + (header & 0x81)] = (buf[0] << 16) | (buf[1] << 8) | buf[2];
ctx->pal[i + (header & 0x81)] = AV_RB24(buf);
buf += 4;
}
buf -= 127 * 4 + 3;
@ -274,8 +275,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, uint
ctx->pic.palette_has_changed = 1;
// palette starts from index 1 and has 127 entries
for (i = 1; i <= ctx->palsize; i++) {
ctx->pal[i] = (buf[0] << 16) | (buf[1] << 8) | buf[2];
buf += 3;
ctx->pal[i] = bytestream_get_be24(&buf);
}
}

9
libavcodec/lcl.c
View File

@ -358,13 +358,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
for (row = 0; row < height; row++) {
pixel_ptr = row * width * 3;
yq = encoded[pixel_ptr++];
uqvq = encoded[pixel_ptr++];
uqvq+=(encoded[pixel_ptr++] << 8);
uqvq = AV_RL16(encoded+pixel_ptr);
pixel_ptr += 2;
for (col = 1; col < width; col++) {
encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
uqvq -= (encoded[pixel_ptr+1] | (encoded[pixel_ptr+2]<<8));
encoded[pixel_ptr+1] = (uqvq) & 0xff;
encoded[pixel_ptr+2] = ((uqvq)>>8) & 0xff;
uqvq -= AV_RL16(encoded+pixel_ptr+1);
AV_WL16(encoded+pixel_ptr+1, uqvq);
pixel_ptr += 3;
}
}

4
libavcodec/libtheoraenc.c
View File

@ -69,8 +69,8 @@ static int concatenate_packet(unsigned int* offset, AVCodecContext* avc_context,
avc_context->extradata = newdata;
avc_context->extradata_size = newsize;
avc_context->extradata[ (*offset)++ ] = packet->bytes >> 8;
avc_context->extradata[ (*offset)++ ] = packet->bytes & 0xff;
AV_WB16(avc_context->extradata + (*offset), packet->bytes);
*offset += 2;
memcpy( avc_context->extradata + (*offset), packet->packet, packet->bytes );
(*offset) += packet->bytes;
return 0;

9
libavcodec/mjpegenc.c
View File

@ -147,8 +147,7 @@ static void jpeg_table_header(MpegEncContext *s)
ff_mjpeg_val_ac_luminance);
size += put_huffman_table(s, 1, 1, ff_mjpeg_bits_ac_chrominance,
ff_mjpeg_val_ac_chrominance);
ptr[0] = size >> 8;
ptr[1] = size;
AV_WB16(ptr, size);
}
static void jpeg_put_comments(MpegEncContext *s)
@ -179,8 +178,7 @@ static void jpeg_put_comments(MpegEncContext *s)
put_bits(p, 16, 0); /* patched later */
ff_put_string(p, LIBAVCODEC_IDENT, 1);
size = strlen(LIBAVCODEC_IDENT)+3;
ptr[0] = size >> 8;
ptr[1] = size;
AV_WB16(ptr, size);
}
if( s->avctx->pix_fmt == PIX_FMT_YUV420P
@ -192,8 +190,7 @@ static void jpeg_put_comments(MpegEncContext *s)
put_bits(p, 16, 0); /* patched later */
ff_put_string(p, "CS=ITU601", 1);
size = strlen("CS=ITU601")+3;
ptr[0] = size >> 8;
ptr[1] = size;
AV_WB16(ptr, size);
}
}

5
libavcodec/mp3_header_decompress_bsf.c
View File

@ -84,10 +84,7 @@ static int mp3_header_decompress(AVBitStreamFilterContext *bsfc, AVCodecContext
}
}
(*poutbuf)[0]= header>>24;
(*poutbuf)[1]= header>>16;
(*poutbuf)[2]= header>> 8;
(*poutbuf)[3]= header ;
AV_WB32(*poutbuf, header);
return 1;
}

3
libavcodec/mp3lameaudio.c
View File

@ -106,8 +106,7 @@ static const int sBitsPerSlot[3] = {
static int mp3len(void *data, int *samplesPerFrame, int *sampleRate)
{
uint8_t *dataTmp = (uint8_t *)data;
uint32_t header = ( (uint32_t)dataTmp[0] << 24 ) | ( (uint32_t)dataTmp[1] << 16 ) | ( (uint32_t)dataTmp[2] << 8 ) | (uint32_t)dataTmp[3];
uint32_t header = AV_RB32(data);
int layerID = 3 - ((header >> 17) & 0x03);
int bitRateID = ((header >> 12) & 0x0f);
int sampleRateID = ((header >> 10) & 0x03);

14
libavcodec/mpegaudio_parser.c
View File

@ -105,10 +105,7 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
/* special case for next header for first frame in free
format case (XXX: find a simpler method) */
if (s->free_format_next_header != 0) {
s->inbuf[0] = s->free_format_next_header >> 24;
s->inbuf[1] = s->free_format_next_header >> 16;
s->inbuf[2] = s->free_format_next_header >> 8;
s->inbuf[3] = s->free_format_next_header;
AV_WB32(s->inbuf, s->free_format_next_header);
s->inbuf_ptr = s->inbuf + 4;
s->free_format_next_header = 0;
goto got_header;
@ -124,8 +121,7 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
}
if ((s->inbuf_ptr - s->inbuf) >= MPA_HEADER_SIZE) {
got_header:
header = (s->inbuf[0] << 24) | (s->inbuf[1] << 16) |
(s->inbuf[2] << 8) | s->inbuf[3];
header = AV_RB32(s->inbuf);
ret = ff_mpa_decode_header(avctx, header, &sr);
if (ret < 0) {
@ -176,10 +172,8 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
p = s->inbuf_ptr - 3;
pend = s->inbuf_ptr + len - 4;
while (p <= pend) {
header = (p[0] << 24) | (p[1] << 16) |
(p[2] << 8) | p[3];
header1 = (s->inbuf[0] << 24) | (s->inbuf[1] << 16) |
(s->inbuf[2] << 8) | s->inbuf[3];
header = AV_RB32(p);
header1 = AV_RB32(s->inbuf);
/* check with high probability that we have a
valid header */
if ((header & SAME_HEADER_MASK) ==

6
libavcodec/mpegaudiodec.c
View File

@ -2380,7 +2380,7 @@ retry:
if(buf_size < HEADER_SIZE)
return -1;
header = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
header = AV_RB32(buf);
if(ff_mpa_check_header(header) < 0){
buf++;
// buf_size--;
@ -2459,7 +2459,7 @@ static int decode_frame_adu(AVCodecContext * avctx,
len = MPA_MAX_CODED_FRAME_SIZE;
// Get header and restore sync word
header = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3] | 0xffe00000;
header = AV_RB32(buf) | 0xffe00000;
if (ff_mpa_check_header(header) < 0) { // Bad header, discard frame
*data_size = 0;
@ -2604,7 +2604,7 @@ static int decode_frame_mp3on4(AVCodecContext * avctx,
assert (m != NULL);
// Get header
header = (start[0] << 24) | (start[1] << 16) | (start[2] << 8) | start[3] | 0xfff00000;
header = AV_RB32(start) | 0xfff00000;
if (ff_mpa_check_header(header) < 0) { // Bad header, discard block
*data_size = 0;

4
libavcodec/oggvorbis.c
View File

@ -27,6 +27,7 @@
#include <vorbis/vorbisenc.h>
#include "avcodec.h"
#include "bytestream.h"
#undef NDEBUG
#include <assert.h>
@ -234,8 +235,7 @@ static int oggvorbis_decode_init(AVCodecContext *avccontext) {
if(p[0] == 0 && p[1] == 30) {
for(i = 0; i < 3; i++){
hsizes[i] = *p++ << 8;
hsizes[i] += *p++;
hsizes[i] = bytestream_get_be16(&p);
headers[i] = p;
p += hsizes[i];
}

10
libavcodec/png.c
View File

@ -693,10 +693,7 @@ static void png_write_chunk(uint8_t **f, uint32_t tag,
bytestream_put_be32(f, length);
crc = crc32(0, Z_NULL, 0);
tagbuf[0] = tag;
tagbuf[1] = tag >> 8;
tagbuf[2] = tag >> 16;
tagbuf[3] = tag >> 24;
AV_WL32(tagbuf, tag);
crc = crc32(crc, tagbuf, 4);
bytestream_put_be32(f, bswap_32(tag));
if (length > 0) {
@ -833,10 +830,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
if (alpha && alpha != 0xff)
has_alpha = 1;
*alpha_ptr++ = alpha;
ptr[0] = v >> 16;
ptr[1] = v >> 8;
ptr[2] = v;
ptr += 3;
bytestream_put_be24(&ptr, v);
}
png_write_chunk(&s->bytestream, MKTAG('P', 'L', 'T', 'E'), s->buf, 256 * 3);
if (has_alpha) {

5
libavcodec/pnmenc.c
View File

@ -19,6 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avcodec.h"
#include "bytestream.h"
#include "pnm.h"
@ -303,9 +304,7 @@ static int pam_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int bu
for(i=0;i<h;i++) {
for(j=0;j<w;j++) {
v = ((uint32_t *)ptr)[j];
*s->bytestream++ = v >> 16;
*s->bytestream++ = v >> 8;
*s->bytestream++ = v;
bytestream_put_be24(&s->bytestream, v);
*s->bytestream++ = v >> 24;
}
ptr += linesize;

4
libavcodec/rangecoder.c
View File

@ -36,6 +36,7 @@
#include "avcodec.h"
#include "rangecoder.h"
#include "bytestream.h"
void ff_init_range_encoder(RangeCoder *c, uint8_t *buf, int buf_size){
@ -53,8 +54,7 @@ void ff_init_range_decoder(RangeCoder *c, const uint8_t *buf, int buf_size){
/* cast to avoid compiler warning */
ff_init_range_encoder(c, (uint8_t *) buf, buf_size);
c->low =(*c->bytestream++)<<8;
c->low+= *c->bytestream++;
c->low = bytestream_get_be16(&c->bytestream);
}
void ff_build_rac_states(RangeCoder *c, int factor, int max_p){

14
libavcodec/smacker.c
View File

@ -436,11 +436,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
case 0:
for(i = 0; i < 4; i++) {
pix = smk_get_code(&gb, smk->full_tbl, smk->full_last);
out[2] = pix & 0xFF;
out[3] = pix >> 8;
AV_WL16(out+2,pix);
pix = smk_get_code(&gb, smk->full_tbl, smk->full_last);
out[0] = pix & 0xFF;
out[1] = pix >> 8;
AV_WL16(out,pix);
out += stride;
}
break;
@ -465,11 +463,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
uint16_t pix1, pix2;
pix1 = smk_get_code(&gb, smk->full_tbl, smk->full_last);
pix2 = smk_get_code(&gb, smk->full_tbl, smk->full_last);
out[0] = pix1 & 0xFF; out[1] = pix1 >> 8;
out[2] = pix2 & 0xFF; out[3] = pix2 >> 8;
AV_WL16(out,pix1);
AV_WL16(out+2,pix2);
out += stride;
out[0] = pix1 & 0xFF; out[1] = pix1 >> 8;
out[2] = pix2 & 0xFF; out[3] = pix2 >> 8;
AV_WL16(out,pix1);
AV_WL16(out+2,pix2);
out += stride;
}
break;

6
libavcodec/sp5xdec.c
View File

@ -65,10 +65,8 @@ static int sp5x_decode_frame(AVCodecContext *avctx,
j += sizeof(sp5x_data_dht);
memcpy(recoded+j, &sp5x_data_sof[0], sizeof(sp5x_data_sof));
recoded[j+5] = (avctx->coded_height >> 8) & 0xFF;
recoded[j+6] = avctx->coded_height & 0xFF;
recoded[j+7] = (avctx->coded_width >> 8) & 0xFF;
recoded[j+8] = avctx->coded_width & 0xFF;
AV_WB16(recoded+j+5, avctx->coded_height);
AV_WB16(recoded+j+7, avctx->coded_width);
j += sizeof(sp5x_data_sof);
memcpy(recoded+j, &sp5x_data_sos[0], sizeof(sp5x_data_sos));

2
libavcodec/tiertexseqv.c
View File

@ -146,7 +146,7 @@ static void seqvideo_decode(SeqVideoContext *seq, unsigned char *data, int data_
for (i = 0; i < 256; i++) {
for (j = 0; j < 3; j++, data++)
c[j] = (*data << 2) | (*data >> 4);
seq->palette[i] = (c[0] << 16) | (c[1] << 8) | c[2];
seq->palette[i] = AV_RB24(c);
}
memcpy(seq->frame.data[1], seq->palette, sizeof(seq->palette));
seq->frame.palette_has_changed = 1;

24
libavcodec/ulti.c
View File

@ -31,6 +31,7 @@
#include <unistd.h>
#include "avcodec.h"
#include "bytestream.h"
#include "ulti_cb.h"
@ -305,9 +306,7 @@ static int ulti_decode_frame(AVCodecContext *avctx,
case 2:
if (modifier) { // unpack four luma samples
tmp = (*buf++) << 16;
tmp += (*buf++) << 8;
tmp += *buf++;
tmp = bytestream_get_be24(&buf);
Y[0] = (tmp >> 18) & 0x3F;
Y[1] = (tmp >> 12) & 0x3F;
@ -315,8 +314,7 @@ static int ulti_decode_frame(AVCodecContext *avctx,
Y[3] = tmp & 0x3F;
angle = 16;
} else { // retrieve luma samples from codebook
tmp = (*buf++) << 8;
tmp += (*buf++);
tmp = bytestream_get_be16(&buf);
angle = (tmp >> 12) & 0xF;
tmp &= 0xFFF;
@ -332,33 +330,25 @@ static int ulti_decode_frame(AVCodecContext *avctx,
if (modifier) { // all 16 luma samples
uint8_t Luma[16];
tmp = (*buf++) << 16;
tmp += (*buf++) << 8;
tmp += *buf++;
tmp = bytestream_get_be24(&buf);
Luma[0] = (tmp >> 18) & 0x3F;
Luma[1] = (tmp >> 12) & 0x3F;
Luma[2] = (tmp >> 6) & 0x3F;
Luma[3] = tmp & 0x3F;
tmp = (*buf++) << 16;
tmp += (*buf++) << 8;
tmp += *buf++;
tmp = bytestream_get_be24(&buf);
Luma[4] = (tmp >> 18) & 0x3F;
Luma[5] = (tmp >> 12) & 0x3F;
Luma[6] = (tmp >> 6) & 0x3F;
Luma[7] = tmp & 0x3F;
tmp = (*buf++) << 16;
tmp += (*buf++) << 8;
tmp += *buf++;
tmp = bytestream_get_be24(&buf);
Luma[8] = (tmp >> 18) & 0x3F;
Luma[9] = (tmp >> 12) & 0x3F;
Luma[10] = (tmp >> 6) & 0x3F;
Luma[11] = tmp & 0x3F;
tmp = (*buf++) << 16;
tmp += (*buf++) << 8;
tmp += *buf++;
tmp = bytestream_get_be24(&buf);
Luma[12] = (tmp >> 18) & 0x3F;
Luma[13] = (tmp >> 12) & 0x3F;
Luma[14] = (tmp >> 6) & 0x3F;

4
libavcodec/vp56.h
View File

@ -27,6 +27,7 @@
#include "vp56data.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "bytestream.h"
typedef struct vp56_context vp56_context_t;
@ -169,8 +170,7 @@ static inline void vp56_init_range_decoder(vp56_range_coder_t *c,
c->high = 255;
c->bits = 8;
c->buffer = buf;
c->code_word = *c->buffer++ << 8;
c->code_word |= *c->buffer++;
c->code_word = bytestream_get_be16(&c->buffer);
}
static inline int vp56_rac_get_prob(vp56_range_coder_t *c, uint8_t prob)

9
libavcodec/wmadec.c
View File

@ -92,12 +92,11 @@ static int wma_decode_init(AVCodecContext * avctx)
flags2 = 0;
extradata = avctx->extradata;
if (avctx->codec->id == CODEC_ID_WMAV1 && avctx->extradata_size >= 4) {
flags1 = extradata[0] | (extradata[1] << 8);
flags2 = extradata[2] | (extradata[3] << 8);
flags1 = AV_RL16(extradata);
flags2 = AV_RL16(extradata+2);
} else if (avctx->codec->id == CODEC_ID_WMAV2 && avctx->extradata_size >= 6) {
flags1 = extradata[0] | (extradata[1] << 8) |
(extradata[2] << 16) | (extradata[3] << 24);
flags2 = extradata[4] | (extradata[5] << 8);
flags1 = AV_RL32(extradata);
flags2 = AV_RL16(extradata+4);
}
// for(i=0; i<avctx->extradata_size; i++)
// av_log(NULL, AV_LOG_ERROR, "%02X ", extradata[i]);

14
libavcodec/wmaenc.c
View File

@ -45,19 +45,13 @@ static int encode_init(AVCodecContext * avctx){
if (avctx->codec->id == CODEC_ID_WMAV1) {
extradata= av_malloc(4);
avctx->extradata_size= 4;
extradata[0] = flags1;
extradata[1] = flags1>>8;
extradata[2] = flags2;
extradata[3] = flags2>>8;
AV_WL16(extradata, flags1);
AV_WL16(extradata+2, flags2);
} else if (avctx->codec->id == CODEC_ID_WMAV2) {
extradata= av_mallocz(10);
avctx->extradata_size= 10;
extradata[0] = flags1;
extradata[1] = flags1>>8;
extradata[2] = flags1>>16;
extradata[3] = flags1>>24;
extradata[4] = flags2;
extradata[5] = flags2>>8;
AV_WL32(extradata, flags1);
AV_WL16(extradata+4, flags2);
}else
assert(0);
avctx->extradata= extradata;

3
libavcodec/xan.c
View File

@ -354,8 +354,7 @@ static void xan_wc3_decode_frame(XanContext *s) {
case 11:
case 21:
size = (size_segment[0] << 16) | (size_segment[1] << 8) |
size_segment[2];
size = AV_RB24(size_segment);
size_segment += 3;
break;
}

4
libavcodec/zmbv.c
View File

@ -579,9 +579,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
for(i = 0; i < c->width; i++) {
uint32_t tmp = AV_RL32(src);
src += 4;
out[i * 3 + 0] = tmp >> 16;
out[i * 3 + 1] = tmp >> 8;
out[i * 3 + 2] = tmp >> 0;
AV_WB24(out+(i*3), tmp);
}
out += c->pic.linesize[0];
}

8
libavcodec/zmbvenc.c
View File

@ -144,9 +144,7 @@ static int encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size, void
if(chpal){
uint8_t tpal[3];
for(i = 0; i < 256; i++){
tpal[0] = palptr[i] >> 16;
tpal[1] = palptr[i] >> 8;
tpal[2] = palptr[i];
AV_WB24(tpal, palptr[i]);
c->work_buf[work_size++] = tpal[0] ^ c->pal[i * 3 + 0];
c->work_buf[work_size++] = tpal[1] ^ c->pal[i * 3 + 1];
c->work_buf[work_size++] = tpal[2] ^ c->pal[i * 3 + 2];
@ -158,9 +156,7 @@ static int encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size, void
}
if(keyframe){
for(i = 0; i < 256; i++){
c->pal[i*3 + 0] = palptr[i] >> 16;
c->pal[i*3 + 1] = palptr[i] >> 8;
c->pal[i*3 + 2] = palptr[i];
AV_WB24(c->pal+(i*3), palptr[i]);
}
memcpy(c->work_buf, c->pal, 768);
memcpy(c->pal2, p->data[1], 1024);