mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-09-07 00:20:09 +02:00
iff: K&R formatting cosmetics
This commit is contained in:
parent
4ecdb5ed44
commit
3865ba7b21
@ -133,15 +133,13 @@ static int cmap_read_palette(AVCodecContext *avctx, uint32_t *pal)
|
||||
// If extradata is smaller than actually needed, fill the remaining with black.
|
||||
count = FFMIN(avctx->extradata_size / 3, count);
|
||||
if (count) {
|
||||
for (i=0; i < count; i++) {
|
||||
pal[i] = 0xFF000000 | AV_RB24( avctx->extradata + i*3 );
|
||||
}
|
||||
for (i = 0; i < count; i++)
|
||||
pal[i] = 0xFF000000 | AV_RB24(avctx->extradata + i * 3);
|
||||
} else { // Create gray-scale color palette for bps < 8
|
||||
count = 1 << avctx->bits_per_coded_sample;
|
||||
|
||||
for (i=0; i < count; i++) {
|
||||
for (i = 0; i < count; i++)
|
||||
pal[i] = 0xFF000000 | gray2rgb((i * 255) >> avctx->bits_per_coded_sample);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
@ -164,7 +162,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
|
||||
if ((err = av_image_check_size(avctx->width, avctx->height, 0, avctx)))
|
||||
return err;
|
||||
s->planesize = FFALIGN(avctx->width, 16) >> 3; // Align plane size in bits to word-boundary
|
||||
s->planebuf = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
s->planebuf = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
if (!s->planebuf)
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
@ -206,12 +204,12 @@ static void decodeplane32(uint32_t *dst, const uint8_t *buf, int buf_size, int p
|
||||
dst[1] |= lut[mask++];
|
||||
dst[2] |= lut[mask++];
|
||||
dst[3] |= lut[mask];
|
||||
mask = (*buf++ << 2) & 0x3F;
|
||||
mask = (*buf++ << 2) & 0x3F;
|
||||
dst[4] |= lut[mask++];
|
||||
dst[5] |= lut[mask++];
|
||||
dst[6] |= lut[mask++];
|
||||
dst[7] |= lut[mask];
|
||||
dst += 8;
|
||||
dst += 8;
|
||||
} while (--buf_size);
|
||||
}
|
||||
|
||||
@ -223,9 +221,10 @@ static void decodeplane32(uint32_t *dst, const uint8_t *buf, int buf_size, int p
|
||||
* @param buf the source byterun1 compressed bitstream
|
||||
* @param buf_end the EOF of source byterun1 compressed bitstream
|
||||
* @return number of consumed bytes in byterun1 compressed bitstream
|
||||
*/
|
||||
*/
|
||||
static int decode_byterun(uint8_t *dst, int dst_size,
|
||||
const uint8_t *buf, const uint8_t *const buf_end) {
|
||||
const uint8_t *buf, const uint8_t *const buf_end)
|
||||
{
|
||||
const uint8_t *const buf_start = buf;
|
||||
unsigned x;
|
||||
for (x = 0; x < dst_size && buf < buf_end;) {
|
||||
@ -247,13 +246,13 @@ static int decode_byterun(uint8_t *dst, int dst_size,
|
||||
}
|
||||
|
||||
static int decode_frame_ilbm(AVCodecContext *avctx,
|
||||
void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
{
|
||||
IffContext *s = avctx->priv_data;
|
||||
const uint8_t *buf = avpkt->data;
|
||||
int buf_size = avpkt->size;
|
||||
const uint8_t *buf_end = buf+buf_size;
|
||||
IffContext *s = avctx->priv_data;
|
||||
const uint8_t *buf = avpkt->data;
|
||||
int buf_size = avpkt->size;
|
||||
const uint8_t *buf_end = buf + buf_size;
|
||||
int y, plane, res;
|
||||
|
||||
if ((res = ff_reget_buffer(avctx, &s->frame)) < 0)
|
||||
@ -261,33 +260,36 @@ static int decode_frame_ilbm(AVCodecContext *avctx,
|
||||
|
||||
if (!s->init && avctx->bits_per_coded_sample <= 8 &&
|
||||
avctx->pix_fmt != AV_PIX_FMT_GRAY8) {
|
||||
if ((res = cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0)
|
||||
if ((res = cmap_read_palette(avctx, (uint32_t *)s->frame.data[1])) < 0)
|
||||
return res;
|
||||
}
|
||||
s->init = 1;
|
||||
|
||||
if (avctx->codec_tag == MKTAG('I','L','B','M')) { // interleaved
|
||||
if (avctx->codec_tag == MKTAG('I', 'L', 'B', 'M')) { // interleaved
|
||||
if (avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY8) {
|
||||
for(y = 0; y < avctx->height; y++ ) {
|
||||
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ];
|
||||
for (y = 0; y < avctx->height; y++) {
|
||||
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
|
||||
memset(row, 0, avctx->width);
|
||||
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end; plane++) {
|
||||
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end;
|
||||
plane++) {
|
||||
decodeplane8(row, buf, FFMIN(s->planesize, buf_end - buf), plane);
|
||||
buf += s->planesize;
|
||||
}
|
||||
}
|
||||
} else { // AV_PIX_FMT_BGR32
|
||||
for(y = 0; y < avctx->height; y++ ) {
|
||||
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]];
|
||||
for (y = 0; y < avctx->height; y++) {
|
||||
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
|
||||
memset(row, 0, avctx->width << 2);
|
||||
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end; plane++) {
|
||||
decodeplane32((uint32_t *) row, buf, FFMIN(s->planesize, buf_end - buf), plane);
|
||||
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end;
|
||||
plane++) {
|
||||
decodeplane32((uint32_t *)row, buf,
|
||||
FFMIN(s->planesize, buf_end - buf), plane);
|
||||
buf += s->planesize;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if (avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY8) { // IFF-PBM
|
||||
for(y = 0; y < avctx->height; y++ ) {
|
||||
for (y = 0; y < avctx->height; y++) {
|
||||
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
|
||||
memcpy(row, buf, FFMIN(avctx->width, buf_end - buf));
|
||||
buf += avctx->width + (avctx->width % 2); // padding if odd
|
||||
@ -303,13 +305,13 @@ static int decode_frame_ilbm(AVCodecContext *avctx,
|
||||
}
|
||||
|
||||
static int decode_frame_byterun1(AVCodecContext *avctx,
|
||||
void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
{
|
||||
IffContext *s = avctx->priv_data;
|
||||
const uint8_t *buf = avpkt->data;
|
||||
int buf_size = avpkt->size;
|
||||
const uint8_t *buf_end = buf+buf_size;
|
||||
IffContext *s = avctx->priv_data;
|
||||
const uint8_t *buf = avpkt->data;
|
||||
int buf_size = avpkt->size;
|
||||
const uint8_t *buf_end = buf + buf_size;
|
||||
int y, plane, res;
|
||||
|
||||
if ((res = ff_reget_buffer(avctx, &s->frame)) < 0)
|
||||
@ -317,34 +319,34 @@ static int decode_frame_byterun1(AVCodecContext *avctx,
|
||||
|
||||
if (!s->init && avctx->bits_per_coded_sample <= 8 &&
|
||||
avctx->pix_fmt != AV_PIX_FMT_GRAY8) {
|
||||
if ((res = cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0)
|
||||
if ((res = cmap_read_palette(avctx, (uint32_t *)s->frame.data[1])) < 0)
|
||||
return res;
|
||||
}
|
||||
s->init = 1;
|
||||
|
||||
if (avctx->codec_tag == MKTAG('I','L','B','M')) { //interleaved
|
||||
if (avctx->codec_tag == MKTAG('I', 'L', 'B', 'M')) { // interleaved
|
||||
if (avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY8) {
|
||||
for(y = 0; y < avctx->height ; y++ ) {
|
||||
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ];
|
||||
for (y = 0; y < avctx->height; y++) {
|
||||
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
|
||||
memset(row, 0, avctx->width);
|
||||
for (plane = 0; plane < avctx->bits_per_coded_sample; plane++) {
|
||||
buf += decode_byterun(s->planebuf, s->planesize, buf, buf_end);
|
||||
decodeplane8(row, s->planebuf, s->planesize, plane);
|
||||
}
|
||||
}
|
||||
} else { //AV_PIX_FMT_BGR32
|
||||
for(y = 0; y < avctx->height ; y++ ) {
|
||||
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]];
|
||||
} else { // AV_PIX_FMT_BGR32
|
||||
for (y = 0; y < avctx->height; y++) {
|
||||
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
|
||||
memset(row, 0, avctx->width << 2);
|
||||
for (plane = 0; plane < avctx->bits_per_coded_sample; plane++) {
|
||||
buf += decode_byterun(s->planebuf, s->planesize, buf, buf_end);
|
||||
decodeplane32((uint32_t *) row, s->planebuf, s->planesize, plane);
|
||||
decodeplane32((uint32_t *)row, s->planebuf, s->planesize, plane);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for(y = 0; y < avctx->height ; y++ ) {
|
||||
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]];
|
||||
for (y = 0; y < avctx->height; y++) {
|
||||
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
|
||||
buf += decode_byterun(row, avctx->width, buf, buf_end);
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user