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ffmpeg.wasm-core
Commit 3865ba7b authored by Luca Barbato's avatar Luca Barbato
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iff: K&R formatting cosmetics

parent 4ecdb5ed
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Showing with 44 additions and 42 deletions
libavcodec/iff.c
View file @ 3865ba7b
......@@ -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);
}
}
......
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