From 4324a3ce754cb2c1450130a0fe181352919eb219 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Sat, 17 Nov 2012 15:20:42 +0100 Subject: vb: cosmetics, reformat --- libavcodec/vb.c | 70 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 35 insertions(+), 35 deletions(-) (limited to 'libavcodec/vb.c') diff --git a/libavcodec/vb.c b/libavcodec/vb.c index 4f2b7648b8..8bb1a70cc1 100644 --- a/libavcodec/vb.c +++ b/libavcodec/vb.c @@ -31,7 +31,7 @@ #include "bytestream.h" #include "internal.h" -enum VBFlags{ +enum VBFlags { VB_HAS_GMC = 0x01, VB_HAS_AUDIO = 0x04, VB_HAS_VIDEO = 0x08, @@ -64,16 +64,16 @@ static void vb_decode_palette(VBDecContext *c, int data_size) int start, size, i; start = bytestream2_get_byte(&c->stream); - size = (bytestream2_get_byte(&c->stream) - 1) & 0xFF; - if(start + size > 255){ + size = (bytestream2_get_byte(&c->stream) - 1) & 0xFF; + if (start + size > 255) { av_log(c->avctx, AV_LOG_ERROR, "Palette change runs beyond entry 256\n"); return; } - if(size*3+2 > data_size){ + if (size*3+2 > data_size) { av_log(c->avctx, AV_LOG_ERROR, "Palette data runs beyond chunk size\n"); return; } - for(i = start; i <= start + size; i++) + for (i = start; i <= start + size; i++) c->pal[i] = bytestream2_get_be24(&c->stream); } @@ -97,42 +97,42 @@ static int vb_decode_framedata(VBDecContext *c, int offset) int pattype, pattern; const int width = c->avctx->width; uint8_t *pstart = c->prev_frame; - uint8_t *pend = c->prev_frame + width*c->avctx->height; + uint8_t *pend = c->prev_frame + width*c->avctx->height; g = c->stream; prev = c->prev_frame + offset; - cur = c->frame; + cur = c->frame; blocks = (c->avctx->width >> 2) * (c->avctx->height >> 2); - blk2 = 0; - for(blk = 0; blk < blocks; blk++){ - if(!(blk & 3)) { + blk2 = 0; + for (blk = 0; blk < blocks; blk++) { + if (!(blk & 3)) { blocktypes = bytestream2_get_byte(&g); } - switch(blocktypes & 0xC0){ + switch (blocktypes & 0xC0) { case 0x00: //skip - for(y = 0; y < 4; y++) - if(check_line(prev + y*width, pstart, pend)) + for (y = 0; y < 4; y++) + if (check_line(prev + y*width, pstart, pend)) memcpy(cur + y*width, prev + y*width, 4); else memset(cur + y*width, 0, 4); break; case 0x40: t = bytestream2_get_byte(&g); - if(!t){ //raw block + if (!t) { //raw block if (bytestream2_get_bytes_left(&g) < 16) { av_log(c->avctx, AV_LOG_ERROR, "Insufficient data\n"); return AVERROR_INVALIDDATA; } - for(y = 0; y < 4; y++) + for (y = 0; y < 4; y++) bytestream2_get_buffer(&g, cur + y * width, 4); - }else{ // motion compensation + } else { // motion compensation x = ((t & 0xF)^8) - 8; y = ((t >> 4) ^8) - 8; t = x + y*width; - for(y = 0; y < 4; y++) - if(check_line(prev + t + y*width, pstart, pend)) + for (y = 0; y < 4; y++) + if (check_line(prev + t + y*width, pstart, pend)) memcpy(cur + y*width, prev + t + y*width, 4); else memset(cur + y*width, 0, 4); @@ -140,34 +140,34 @@ static int vb_decode_framedata(VBDecContext *c, int offset) break; case 0x80: // fill t = bytestream2_get_byte(&g); - for(y = 0; y < 4; y++) + for (y = 0; y < 4; y++) memset(cur + y*width, t, 4); break; case 0xC0: // pattern fill - t = bytestream2_get_byte(&g); + t = bytestream2_get_byte(&g); pattype = t >> 6; pattern = vb_patterns[t & 0x3F]; - switch(pattype){ + switch (pattype) { case 0: a = bytestream2_get_byte(&g); b = bytestream2_get_byte(&g); - for(y = 0; y < 4; y++) - for(x = 0; x < 4; x++, pattern >>= 1) + for (y = 0; y < 4; y++) + for (x = 0; x < 4; x++, pattern >>= 1) cur[x + y*width] = (pattern & 1) ? b : a; break; case 1: pattern = ~pattern; case 2: a = bytestream2_get_byte(&g); - for(y = 0; y < 4; y++) - for(x = 0; x < 4; x++, pattern >>= 1) - if(pattern & 1 && check_pixel(prev + x + y*width, pstart, pend)) + for (y = 0; y < 4; y++) + for (x = 0; x < 4; x++, pattern >>= 1) + if (pattern & 1 && check_pixel(prev + x + y*width, pstart, pend)) cur[x + y*width] = prev[x + y*width]; else cur[x + y*width] = a; break; case 3: - av_log(c->avctx, AV_LOG_ERROR, "Invalid opcode seen @%d\n",blk); + av_log(c->avctx, AV_LOG_ERROR, "Invalid opcode seen @%d\n", blk); return AVERROR_INVALIDDATA; } break; @@ -176,8 +176,8 @@ static int vb_decode_framedata(VBDecContext *c, int offset) cur += 4; prev += 4; blk2++; - if(blk2 == (width >> 2)){ - blk2 = 0; + if (blk2 == (width >> 2)) { + blk2 = 0; cur += width * 3; prev += width * 3; } @@ -197,7 +197,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, bytestream2_init(&c->stream, avpkt->data, avpkt->size); - if(c->pic.data[0]) + if (c->pic.data[0]) avctx->release_buffer(avctx, &c->pic); c->pic.reference = 1; if ((ret = ff_get_buffer(avctx, &c->pic)) < 0) { @@ -207,17 +207,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, flags = bytestream2_get_le16(&c->stream); - if(flags & VB_HAS_GMC){ + if (flags & VB_HAS_GMC) { i = (int16_t)bytestream2_get_le16(&c->stream); j = (int16_t)bytestream2_get_le16(&c->stream); offset = i + j * avctx->width; } - if(flags & VB_HAS_VIDEO){ + if (flags & VB_HAS_VIDEO) { size = bytestream2_get_le32(&c->stream); vb_decode_framedata(c, offset); bytestream2_skip(&c->stream, size - 4); } - if(flags & VB_HAS_PALETTE){ + if (flags & VB_HAS_PALETTE) { size = bytestream2_get_le32(&c->stream); vb_decode_palette(c, size); } @@ -228,7 +228,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, outptr = c->pic.data[0]; srcptr = c->frame; - for(i = 0; i < avctx->height; i++){ + for (i = 0; i < avctx->height; i++) { memcpy(outptr, srcptr, avctx->width); srcptr += avctx->width; outptr += c->pic.linesize[0]; @@ -247,7 +247,7 @@ static av_cold int decode_init(AVCodecContext *avctx) { VBDecContext * const c = avctx->priv_data; - c->avctx = avctx; + c->avctx = avctx; avctx->pix_fmt = AV_PIX_FMT_PAL8; c->frame = av_mallocz(avctx->width * avctx->height); -- cgit v1.2.3