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ffmpeg.wasm-core
Commit a66aa0da authored by Luca Barbato's avatar Luca Barbato
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vmnc: K&R formatting cosmetics 

Signed-off-by: 's avatarDiego Biurrun <diego@biurrun.de>
parent ad7d7d4f
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Showing with 195 additions and 157 deletions
libavcodec/vmnc.c
View file @ a66aa0da
...@@ -68,50 +68,63 @@ typedef struct VmncContext { ...@@ -68,50 +68,63 @@ typedef struct VmncContext {
int cur_w, cur_h; int cur_w, cur_h;
int cur_x, cur_y; int cur_x, cur_y;
int cur_hx, cur_hy; int cur_hx, cur_hy;
uint8_t* curbits, *curmask; uint8_t *curbits, *curmask;
uint8_t* screendta; uint8_t *screendta;
} VmncContext; } VmncContext;
/* read pixel value from stream */ /* read pixel value from stream */
static av_always_inline int vmnc_get_pixel(const uint8_t* buf, int bpp, int be) { static av_always_inline int vmnc_get_pixel(const uint8_t *buf, int bpp, int be)
switch(bpp * 2 + be) { {
switch (bpp * 2 + be) {
case 2: case 2:
case 3: return *buf; case 3:
case 4: return AV_RL16(buf); return *buf;
case 5: return AV_RB16(buf); case 4:
case 8: return AV_RL32(buf); return AV_RL16(buf);
case 9: return AV_RB32(buf); case 5:
default: return 0; return AV_RB16(buf);
case 8:
return AV_RL32(buf);
case 9:
return AV_RB32(buf);
default:
return 0;
} }
} }
static void load_cursor(VmncContext *c, const uint8_t *src) static void load_cursor(VmncContext *c, const uint8_t *src)
{ {
int i, j, p; int i, j, p;
const int bpp = c->bpp2; const int bpp = c->bpp2;
uint8_t *dst8 = c->curbits; uint8_t *dst8 = c->curbits;
uint16_t *dst16 = (uint16_t*)c->curbits; uint16_t *dst16 = (uint16_t *)c->curbits;
uint32_t *dst32 = (uint32_t*)c->curbits; uint32_t *dst32 = (uint32_t *)c->curbits;
for(j = 0; j < c->cur_h; j++) { for (j = 0; j < c->cur_h; j++) {
for(i = 0; i < c->cur_w; i++) { for (i = 0; i < c->cur_w; i++) {
p = vmnc_get_pixel(src, bpp, c->bigendian); p = vmnc_get_pixel(src, bpp, c->bigendian);
src += bpp; src += bpp;
if(bpp == 1) *dst8++ = p; if (bpp == 1)
if(bpp == 2) *dst16++ = p; *dst8++ = p;
if(bpp == 4) *dst32++ = p; if (bpp == 2)
*dst16++ = p;
if (bpp == 4)
*dst32++ = p;
} }
} }
dst8 = c->curmask; dst8 = c->curmask;
dst16 = (uint16_t*)c->curmask; dst16 = (uint16_t*)c->curmask;
dst32 = (uint32_t*)c->curmask; dst32 = (uint32_t*)c->curmask;
for(j = 0; j < c->cur_h; j++) { for (j = 0; j < c->cur_h; j++) {
for(i = 0; i < c->cur_w; i++) { for (i = 0; i < c->cur_w; i++) {
p = vmnc_get_pixel(src, bpp, c->bigendian); p = vmnc_get_pixel(src, bpp, c->bigendian);
src += bpp; src += bpp;
if(bpp == 1) *dst8++ = p; if (bpp == 1)
if(bpp == 2) *dst16++ = p; *dst8++ = p;
if(bpp == 4) *dst32++ = p; if (bpp == 2)
*dst16++ = p;
if (bpp == 4)
*dst32++ = p;
} }
} }
} }
...@@ -121,96 +134,101 @@ static void put_cursor(uint8_t *dst, int stride, VmncContext *c, int dx, int dy) ...@@ -121,96 +134,101 @@ static void put_cursor(uint8_t *dst, int stride, VmncContext *c, int dx, int dy)
int i, j; int i, j;
int w, h, x, y; int w, h, x, y;
w = c->cur_w; w = c->cur_w;
if(c->width < c->cur_x + c->cur_w) w = c->width - c->cur_x; if (c->width < c->cur_x + c->cur_w)
w = c->width - c->cur_x;
h = c->cur_h; h = c->cur_h;
if(c->height < c->cur_y + c->cur_h) h = c->height - c->cur_y; if (c->height < c->cur_y + c->cur_h)
h = c->height - c->cur_y;
x = c->cur_x; x = c->cur_x;
y = c->cur_y; y = c->cur_y;
if(x < 0) { if (x < 0) {
w += x; w += x;
x = 0; x = 0;
} }
if(y < 0) { if (y < 0) {
h += y; h += y;
y = 0; y = 0;
} }
if((w < 1) || (h < 1)) return; if ((w < 1) || (h < 1))
return;
dst += x * c->bpp2 + y * stride; dst += x * c->bpp2 + y * stride;
if(c->bpp2 == 1) { if (c->bpp2 == 1) {
uint8_t* cd = c->curbits, *msk = c->curmask; uint8_t *cd = c->curbits, *msk = c->curmask;
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
for(i = 0; i < w; i++) for (i = 0; i < w; i++)
dst[i] = (dst[i] & cd[i]) ^ msk[i]; dst[i] = (dst[i] & cd[i]) ^ msk[i];
msk += c->cur_w; msk += c->cur_w;
cd += c->cur_w; cd += c->cur_w;
dst += stride; dst += stride;
} }
} else if(c->bpp2 == 2) { } else if (c->bpp2 == 2) {
uint16_t* cd = (uint16_t*)c->curbits, *msk = (uint16_t*)c->curmask; uint16_t *cd = (uint16_t*)c->curbits, *msk = (uint16_t*)c->curmask;
uint16_t* dst2; uint16_t *dst2;
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
dst2 = (uint16_t*)dst; dst2 = (uint16_t*)dst;
for(i = 0; i < w; i++) for (i = 0; i < w; i++)
dst2[i] = (dst2[i] & cd[i]) ^ msk[i]; dst2[i] = (dst2[i] & cd[i]) ^ msk[i];
msk += c->cur_w; msk += c->cur_w;
cd += c->cur_w; cd += c->cur_w;
dst += stride; dst += stride;
} }
} else if(c->bpp2 == 4) { } else if (c->bpp2 == 4) {
uint32_t* cd = (uint32_t*)c->curbits, *msk = (uint32_t*)c->curmask; uint32_t *cd = (uint32_t*)c->curbits, *msk = (uint32_t*)c->curmask;
uint32_t* dst2; uint32_t *dst2;
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
dst2 = (uint32_t*)dst; dst2 = (uint32_t*)dst;
for(i = 0; i < w; i++) for (i = 0; i < w; i++)
dst2[i] = (dst2[i] & cd[i]) ^ msk[i]; dst2[i] = (dst2[i] & cd[i]) ^ msk[i];
msk += c->cur_w; msk += c->cur_w;
cd += c->cur_w; cd += c->cur_w;
dst += stride; dst += stride;
} }
} }
} }
/* fill rectangle with given color */ /* fill rectangle with given color */
static av_always_inline void paint_rect(uint8_t *dst, int dx, int dy, int w, int h, int color, int bpp, int stride) static av_always_inline void paint_rect(uint8_t *dst, int dx, int dy,
int w, int h, int color,
int bpp, int stride)
{ {
int i, j; int i, j;
dst += dx * bpp + dy * stride; dst += dx * bpp + dy * stride;
if(bpp == 1){ if (bpp == 1) {
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
memset(dst, color, w); memset(dst, color, w);
dst += stride; dst += stride;
} }
}else if(bpp == 2){ } else if (bpp == 2) {
uint16_t* dst2; uint16_t *dst2;
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
dst2 = (uint16_t*)dst; dst2 = (uint16_t*)dst;
for(i = 0; i < w; i++) { for (i = 0; i < w; i++)
*dst2++ = color; *dst2++ = color;
}
dst += stride; dst += stride;
} }
}else if(bpp == 4){ } else if (bpp == 4) {
uint32_t* dst2; uint32_t *dst2;
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
dst2 = (uint32_t*)dst; dst2 = (uint32_t*)dst;
for(i = 0; i < w; i++) { for (i = 0; i < w; i++)
dst2[i] = color; dst2[i] = color;
}
dst += stride; dst += stride;
} }
} }
} }
static av_always_inline void paint_raw(uint8_t *dst, int w, int h, const uint8_t* src, int bpp, int be, int stride) static av_always_inline void paint_raw(uint8_t *dst, int w, int h,
const uint8_t *src, int bpp,
int be, int stride)
{ {
int i, j, p; int i, j, p;
for(j = 0; j < h; j++) { for (j = 0; j < h; j++) {
for(i = 0; i < w; i++) { for (i = 0; i < w; i++) {
p = vmnc_get_pixel(src, bpp, be); p = vmnc_get_pixel(src, bpp, be);
src += bpp; src += bpp;
switch(bpp){ switch (bpp) {
case 1: case 1:
dst[i] = p; dst[i] = p;
break; break;
...@@ -226,58 +244,65 @@ static av_always_inline void paint_raw(uint8_t *dst, int w, int h, const uint8_t ...@@ -226,58 +244,65 @@ static av_always_inline void paint_raw(uint8_t *dst, int w, int h, const uint8_t
} }
} }
static int decode_hextile(VmncContext *c, uint8_t* dst, const uint8_t* src, int ssize, int w, int h, int stride) static int decode_hextile(VmncContext *c, uint8_t *dst, const uint8_t *src,
int ssize, int w, int h, int stride)
{ {
int i, j, k; int i, j, k;
int bg = 0, fg = 0, rects, color, flags, xy, wh; int bg = 0, fg = 0, rects, color, flags, xy, wh;
const int bpp = c->bpp2; const int bpp = c->bpp2;
uint8_t *dst2; uint8_t *dst2;
int bw = 16, bh = 16; int bw = 16, bh = 16;
const uint8_t *ssrc=src; const uint8_t *ssrc = src;
for(j = 0; j < h; j += 16) { for (j = 0; j < h; j += 16) {
dst2 = dst; dst2 = dst;
bw = 16; bw = 16;
if(j + 16 > h) bh = h - j; if (j + 16 > h)
for(i = 0; i < w; i += 16, dst2 += 16 * bpp) { bh = h - j;
if(src - ssrc >= ssize) { for (i = 0; i < w; i += 16, dst2 += 16 * bpp) {
if (src - ssrc >= ssize) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n"); av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return -1; return -1;
} }
if(i + 16 > w) bw = w - i; if (i + 16 > w)
bw = w - i;
flags = *src++; flags = *src++;
if(flags & HT_RAW) { if (flags & HT_RAW) {
if(src - ssrc > ssize - bw * bh * bpp) { if (src - ssrc > ssize - bw * bh * bpp) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n"); av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return -1; return -1;
} }
paint_raw(dst2, bw, bh, src, bpp, c->bigendian, stride); paint_raw(dst2, bw, bh, src, bpp, c->bigendian, stride);
src += bw * bh * bpp; src += bw * bh * bpp;
} else { } else {
if(flags & HT_BKG) { if (flags & HT_BKG) {
bg = vmnc_get_pixel(src, bpp, c->bigendian); src += bpp; bg = vmnc_get_pixel(src, bpp, c->bigendian);
src += bpp;
} }
if(flags & HT_FG) { if (flags & HT_FG) {
fg = vmnc_get_pixel(src, bpp, c->bigendian); src += bpp; fg = vmnc_get_pixel(src, bpp, c->bigendian);
src += bpp;
} }
rects = 0; rects = 0;
if(flags & HT_SUB) if (flags & HT_SUB)
rects = *src++; rects = *src++;
color = !!(flags & HT_CLR); color = !!(flags & HT_CLR);
paint_rect(dst2, 0, 0, bw, bh, bg, bpp, stride); paint_rect(dst2, 0, 0, bw, bh, bg, bpp, stride);
if(src - ssrc > ssize - rects * (color * bpp + 2)) { if (src - ssrc > ssize - rects * (color * bpp + 2)) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n"); av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return -1; return -1;
} }
for(k = 0; k < rects; k++) { for (k = 0; k < rects; k++) {
if(color) { if (color) {
fg = vmnc_get_pixel(src, bpp, c->bigendian); src += bpp; fg = vmnc_get_pixel(src, bpp, c->bigendian);
src += bpp;
} }
xy = *src++; xy = *src++;
wh = *src++; wh = *src++;
paint_rect(dst2, xy >> 4, xy & 0xF, (wh>>4)+1, (wh & 0xF)+1, fg, bpp, stride); paint_rect(dst2, xy >> 4, xy & 0xF, (wh >> 4) + 1,
(wh & 0xF) + 1, fg, bpp, stride);
} }
} }
} }
...@@ -290,7 +315,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, ...@@ -290,7 +315,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt) AVPacket *avpkt)
{ {
const uint8_t *buf = avpkt->data; const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size; int buf_size = avpkt->size;
VmncContext * const c = avctx->priv_data; VmncContext * const c = avctx->priv_data;
uint8_t *outptr; uint8_t *outptr;
const uint8_t *src = buf; const uint8_t *src = buf;
...@@ -304,58 +329,72 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, ...@@ -304,58 +329,72 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
c->pic.key_frame = 0; c->pic.key_frame = 0;
c->pic.pict_type = AV_PICTURE_TYPE_P; c->pic.pict_type = AV_PICTURE_TYPE_P;
//restore screen after cursor // restore screen after cursor
if(c->screendta) { if (c->screendta) {
int i; int i;
w = c->cur_w; w = c->cur_w;
if(c->width < c->cur_x + w) w = c->width - c->cur_x; if (c->width < c->cur_x + w)
w = c->width - c->cur_x;
h = c->cur_h; h = c->cur_h;
if(c->height < c->cur_y + h) h = c->height - c->cur_y; if (c->height < c->cur_y + h)
h = c->height - c->cur_y;
dx = c->cur_x; dx = c->cur_x;
if(dx < 0) { if (dx < 0) {
w += dx; w += dx;
dx = 0; dx = 0;
} }
dy = c->cur_y; dy = c->cur_y;
if(dy < 0) { if (dy < 0) {
h += dy; h += dy;
dy = 0; dy = 0;
} }
if((w > 0) && (h > 0)) { if ((w > 0) && (h > 0)) {
outptr = c->pic.data[0] + dx * c->bpp2 + dy * c->pic.linesize[0]; outptr = c->pic.data[0] + dx * c->bpp2 + dy * c->pic.linesize[0];
for(i = 0; i < h; i++) { for (i = 0; i < h; i++) {
memcpy(outptr, c->screendta + i * c->cur_w * c->bpp2, w * c->bpp2); memcpy(outptr, c->screendta + i * c->cur_w * c->bpp2,
w * c->bpp2);
outptr += c->pic.linesize[0]; outptr += c->pic.linesize[0];
} }
} }
} }
src += 2; src += 2;
chunks = AV_RB16(src); src += 2; chunks = AV_RB16(src);
while(chunks--) { src += 2;
dx = AV_RB16(src); src += 2; while (chunks--) {
dy = AV_RB16(src); src += 2; dx = AV_RB16(src);
w = AV_RB16(src); src += 2; src += 2;
h = AV_RB16(src); src += 2; dy = AV_RB16(src);
enc = AV_RB32(src); src += 4; src += 2;
w = AV_RB16(src);
src += 2;
h = AV_RB16(src);
src += 2;
enc = AV_RB32(src);
src += 4;
outptr = c->pic.data[0] + dx * c->bpp2 + dy * c->pic.linesize[0]; outptr = c->pic.data[0] + dx * c->bpp2 + dy * c->pic.linesize[0];
size_left = buf_size - (src - buf); size_left = buf_size - (src - buf);
switch(enc) { switch (enc) {
case MAGIC_WMVd: // cursor case MAGIC_WMVd: // cursor
if(size_left < 2 + w * h * c->bpp2 * 2) { if (size_left < 2 + w * h * c->bpp2 * 2) {
av_log(avctx, AV_LOG_ERROR, "Premature end of data! (need %i got %i)\n", 2 + w * h * c->bpp2 * 2, size_left); av_log(avctx, AV_LOG_ERROR,
"Premature end of data! (need %i got %i)\n",
2 + w * h * c->bpp2 * 2, size_left);
return -1; return -1;
} }
src += 2; src += 2;
c->cur_w = w; c->cur_w = w;
c->cur_h = h; c->cur_h = h;
c->cur_hx = dx; c->cur_hx = dx;
c->cur_hy = dy; c->cur_hy = dy;
if((c->cur_hx > c->cur_w) || (c->cur_hy > c->cur_h)) { if ((c->cur_hx > c->cur_w) || (c->cur_hy > c->cur_h)) {
av_log(avctx, AV_LOG_ERROR, "Cursor hot spot is not in image: %ix%i of %ix%i cursor size\n", c->cur_hx, c->cur_hy, c->cur_w, c->cur_h); av_log(avctx, AV_LOG_ERROR,
"Cursor hot spot is not in image: "
"%ix%i of %ix%i cursor size\n",
c->cur_hx, c->cur_hy, c->cur_w, c->cur_h);
c->cur_hx = c->cur_hy = 0; c->cur_hx = c->cur_hy = 0;
} }
c->curbits = av_realloc(c->curbits, c->cur_w * c->cur_h * c->bpp2); c->curbits = av_realloc(c->curbits, c->cur_w * c->cur_h * c->bpp2);
c->curmask = av_realloc(c->curmask, c->cur_w * c->cur_h * c->bpp2); c->curmask = av_realloc(c->curmask, c->cur_w * c->cur_h * c->bpp2);
c->screendta = av_realloc(c->screendta, c->cur_w * c->cur_h * c->bpp2); c->screendta = av_realloc(c->screendta, c->cur_w * c->cur_h * c->bpp2);
load_cursor(c, src); load_cursor(c, src);
src += w * h * c->bpp2 * 2; src += w * h * c->bpp2 * 2;
...@@ -377,40 +416,52 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, ...@@ -377,40 +416,52 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
c->pic.key_frame = 1; c->pic.key_frame = 1;
c->pic.pict_type = AV_PICTURE_TYPE_I; c->pic.pict_type = AV_PICTURE_TYPE_I;
depth = *src++; depth = *src++;
if(depth != c->bpp) { if (depth != c->bpp) {
av_log(avctx, AV_LOG_INFO, "Depth mismatch. Container %i bpp, Frame data: %i bpp\n", c->bpp, depth); av_log(avctx, AV_LOG_INFO,
"Depth mismatch. Container %i bpp, "
"Frame data: %i bpp\n",
c->bpp, depth);
} }
src++; src++;
c->bigendian = *src++; c->bigendian = *src++;
if(c->bigendian & (~1)) { if (c->bigendian & (~1)) {
av_log(avctx, AV_LOG_INFO, "Invalid header: bigendian flag = %i\n", c->bigendian); av_log(avctx, AV_LOG_INFO,
"Invalid header: bigendian flag = %i\n", c->bigendian);
return -1; return -1;
} }
//skip the rest of pixel format data // skip the rest of pixel format data
src += 13; src += 13;
break; break;
case MAGIC_WMVj: // unknown case MAGIC_WMVj: // unknown
src += 2; src += 2;
break; break;
case 0x00000000: // raw rectangle data case 0x00000000: // raw rectangle data
if((dx + w > c->width) || (dy + h > c->height)) { if ((dx + w > c->width) || (dy + h > c->height)) {
av_log(avctx, AV_LOG_ERROR, "Incorrect frame size: %ix%i+%ix%i of %ix%i\n", w, h, dx, dy, c->width, c->height); av_log(avctx, AV_LOG_ERROR,
"Incorrect frame size: %ix%i+%ix%i of %ix%i\n",
w, h, dx, dy, c->width, c->height);
return -1; return -1;
} }
if(size_left < w * h * c->bpp2) { if (size_left < w * h * c->bpp2) {
av_log(avctx, AV_LOG_ERROR, "Premature end of data! (need %i got %i)\n", w * h * c->bpp2, size_left); av_log(avctx, AV_LOG_ERROR,
"Premature end of data! (need %i got %i)\n",
w * h * c->bpp2, size_left);
return -1; return -1;
} }
paint_raw(outptr, w, h, src, c->bpp2, c->bigendian, c->pic.linesize[0]); paint_raw(outptr, w, h, src, c->bpp2, c->bigendian,
c->pic.linesize[0]);
src += w * h * c->bpp2; src += w * h * c->bpp2;
break; break;
case 0x00000005: // HexTile encoded rectangle case 0x00000005: // HexTile encoded rectangle
if((dx + w > c->width) || (dy + h > c->height)) { if ((dx + w > c->width) || (dy + h > c->height)) {
av_log(avctx, AV_LOG_ERROR, "Incorrect frame size: %ix%i+%ix%i of %ix%i\n", w, h, dx, dy, c->width, c->height); av_log(avctx, AV_LOG_ERROR,
"Incorrect frame size: %ix%i+%ix%i of %ix%i\n",
w, h, dx, dy, c->width, c->height);
return -1; return -1;
} }
res = decode_hextile(c, outptr, src, size_left, w, h, c->pic.linesize[0]); res = decode_hextile(c, outptr, src, size_left, w, h,
if(res < 0) c->pic.linesize[0]);
if (res < 0)
return -1; return -1;
src += res; src += res;
break; break;
...@@ -419,34 +470,37 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, ...@@ -419,34 +470,37 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
chunks = 0; // leave chunks decoding loop chunks = 0; // leave chunks decoding loop
} }
} }
if(c->screendta){ if (c->screendta) {
int i; int i;
//save screen data before painting cursor // save screen data before painting cursor
w = c->cur_w; w = c->cur_w;
if(c->width < c->cur_x + w) w = c->width - c->cur_x; if (c->width < c->cur_x + w)
w = c->width - c->cur_x;
h = c->cur_h; h = c->cur_h;
if(c->height < c->cur_y + h) h = c->height - c->cur_y; if (c->height < c->cur_y + h)
h = c->height - c->cur_y;
dx = c->cur_x; dx = c->cur_x;
if(dx < 0) { if (dx < 0) {
w += dx; w += dx;
dx = 0; dx = 0;
} }
dy = c->cur_y; dy = c->cur_y;
if(dy < 0) { if (dy < 0) {
h += dy; h += dy;
dy = 0; dy = 0;
} }
if((w > 0) && (h > 0)) { if ((w > 0) && (h > 0)) {
outptr = c->pic.data[0] + dx * c->bpp2 + dy * c->pic.linesize[0]; outptr = c->pic.data[0] + dx * c->bpp2 + dy * c->pic.linesize[0];
for(i = 0; i < h; i++) { for (i = 0; i < h; i++) {
memcpy(c->screendta + i * c->cur_w * c->bpp2, outptr, w * c->bpp2); memcpy(c->screendta + i * c->cur_w * c->bpp2, outptr,
w * c->bpp2);
outptr += c->pic.linesize[0]; outptr += c->pic.linesize[0];
} }
outptr = c->pic.data[0]; outptr = c->pic.data[0];
put_cursor(outptr, c->pic.linesize[0], c, c->cur_x, c->cur_y); put_cursor(outptr, c->pic.linesize[0], c, c->cur_x, c->cur_y);
} }
} }
*got_frame = 1; *got_frame = 1;
if ((ret = av_frame_ref(data, &c->pic)) < 0) if ((ret = av_frame_ref(data, &c->pic)) < 0)
return ret; return ret;
...@@ -454,26 +508,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, ...@@ -454,26 +508,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
return buf_size; return buf_size;
} }
/*
*
* Init VMnc decoder
*
*/
static av_cold int decode_init(AVCodecContext *avctx) static av_cold int decode_init(AVCodecContext *avctx)
{ {
VmncContext * const c = avctx->priv_data; VmncContext * const c = avctx->priv_data;
c->avctx = avctx; c->avctx = avctx;
c->width = avctx->width;
c->width = avctx->width;
c->height = avctx->height; c->height = avctx->height;
c->bpp = avctx->bits_per_coded_sample;
c->bpp2 = c->bpp / 8;
c->bpp = avctx->bits_per_coded_sample; switch (c->bpp) {
c->bpp2 = c->bpp/8;
switch(c->bpp){
case 8: case 8:
avctx->pix_fmt = AV_PIX_FMT_PAL8; avctx->pix_fmt = AV_PIX_FMT_PAL8;
break; break;
...@@ -493,13 +538,6 @@ static av_cold int decode_init(AVCodecContext *avctx) ...@@ -493,13 +538,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
return 0; return 0;
} }
/*
*
* Uninit VMnc decoder
*
*/
static av_cold int decode_end(AVCodecContext *avctx) static av_cold int decode_end(AVCodecContext *avctx)
{ {
VmncContext * const c = avctx->priv_data; VmncContext * const c = avctx->priv_data;
......
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