int palette_is_set;
int le;
enum TiffCompr compr;
- int invert;
+ enum TiffPhotometric photometric;
+ int planar;
int fax_opts;
int predictor;
int fill_order;
{
int i, ret = 0;
uint8_t *src2 = av_malloc((unsigned)size +
- FF_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE);
if (!src2) {
av_log(s->avctx, AV_LOG_ERROR,
for (i = 0; i < size; i++)
src2[i] = ff_reverse[src[i]];
}
- memset(src2 + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ memset(src2 + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride,
s->compr, s->fax_opts);
av_free(src2);
int c, line, pixels, code, ret;
int width = ((s->width * s->bpp) + 7) >> 3;
+ if (s->planar)
+ width /= s->bppcount;
+
if (size <= 0)
return AVERROR_INVALIDDATA;
static int init_image(TiffContext *s, AVFrame *frame)
{
- int i, ret;
- uint32_t *pal;
+ int ret;
+
+ // make sure there is no aliasing in the following switch
+ if (s->bpp >= 100 || s->bppcount >= 10) {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "Unsupported image parameters: bpp=%d, bppcount=%d\n",
+ s->bpp, s->bppcount);
+ return AVERROR_INVALIDDATA;
+ }
- switch (s->bpp * 10 + s->bppcount) {
+ switch (s->planar * 1000 + s->bpp * 10 + s->bppcount) {
case 11:
s->avctx->pix_fmt = AV_PIX_FMT_MONOBLACK;
break;
case 81:
- s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
+ s->avctx->pix_fmt = s->palette_is_set ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_GRAY8;
break;
case 243:
s->avctx->pix_fmt = AV_PIX_FMT_RGB24;
case 161:
s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GRAY16LE : AV_PIX_FMT_GRAY16BE;
break;
+ case 162:
+ s->avctx->pix_fmt = AV_PIX_FMT_YA8;
+ break;
+ case 322:
+ s->avctx->pix_fmt = s->le ? AV_PIX_FMT_YA16LE : AV_PIX_FMT_YA16BE;
+ break;
case 324:
s->avctx->pix_fmt = AV_PIX_FMT_RGBA;
break;
case 483:
s->avctx->pix_fmt = s->le ? AV_PIX_FMT_RGB48LE : AV_PIX_FMT_RGB48BE;
break;
+ case 644:
+ s->avctx->pix_fmt = s->le ? AV_PIX_FMT_RGBA64LE : AV_PIX_FMT_RGBA64BE;
+ break;
+ case 1243:
+ s->avctx->pix_fmt = AV_PIX_FMT_GBRP;
+ break;
+ case 1324:
+ s->avctx->pix_fmt = AV_PIX_FMT_GBRAP;
+ break;
+ case 1483:
+ s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GBRP16LE : AV_PIX_FMT_GBRP16BE;
+ break;
+ case 1644:
+ s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GBRAP16LE : AV_PIX_FMT_GBRAP16BE;
+ break;
default:
av_log(s->avctx, AV_LOG_ERROR,
"This format is not supported (bpp=%d, bppcount=%d)\n",
return ret;
}
if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
- if (s->palette_is_set) {
- memcpy(frame->data[1], s->palette, sizeof(s->palette));
- } else {
- /* make default grayscale pal */
- pal = (uint32_t *) frame->data[1];
- for (i = 0; i < 256; i++)
- pal[i] = i * 0x010101;
- }
+ memcpy(frame->data[1], s->palette, sizeof(s->palette));
}
return 0;
}
{
unsigned tag, type, count, off, value = 0;
int i, start;
- uint32_t *pal;
if (bytestream2_get_bytes_left(&s->gb) < 12)
return AVERROR_INVALIDDATA;
case TIFF_NEWJPEG:
avpriv_report_missing_feature(s->avctx, "JPEG compression");
return AVERROR_PATCHWELCOME;
+ case TIFF_LZMA:
+ avpriv_report_missing_feature(s->avctx, "LZMA compression");
+ return AVERROR_PATCHWELCOME;
default:
av_log(s->avctx, AV_LOG_ERROR, "Unknown compression method %i\n",
s->compr);
case TIFF_PREDICTOR:
s->predictor = value;
break;
- case TIFF_INVERT:
+ case TIFF_PHOTOMETRIC:
switch (value) {
- case 0:
- s->invert = 1;
- break;
- case 1:
- s->invert = 0;
- break;
- case 2:
- case 3:
+ case TIFF_PHOTOMETRIC_WHITE_IS_ZERO:
+ case TIFF_PHOTOMETRIC_BLACK_IS_ZERO:
+ case TIFF_PHOTOMETRIC_RGB:
+ case TIFF_PHOTOMETRIC_PALETTE:
+ s->photometric = value;
break;
+ case TIFF_PHOTOMETRIC_ALPHA_MASK:
+ case TIFF_PHOTOMETRIC_SEPARATED:
+ case TIFF_PHOTOMETRIC_YCBCR:
+ case TIFF_PHOTOMETRIC_CIE_LAB:
+ case TIFF_PHOTOMETRIC_ICC_LAB:
+ case TIFF_PHOTOMETRIC_ITU_LAB:
+ case TIFF_PHOTOMETRIC_CFA:
+ case TIFF_PHOTOMETRIC_LOG_L:
+ case TIFF_PHOTOMETRIC_LOG_LUV:
+ case TIFF_PHOTOMETRIC_LINEAR_RAW:
+ avpriv_report_missing_feature(s->avctx,
+ "PhotometricInterpretation 0x%04X",
+ value);
+ return AVERROR_PATCHWELCOME;
default:
- av_log(s->avctx, AV_LOG_ERROR, "Color mode %d is not supported\n",
- value);
+ av_log(s->avctx, AV_LOG_ERROR, "PhotometricInterpretation %u is "
+ "unknown\n", value);
return AVERROR_INVALIDDATA;
}
break;
break;
case TIFF_PAL: {
GetByteContext pal_gb[3];
- pal = (uint32_t *) s->palette;
off = type_sizes[type];
if (count / 3 > 256 ||
bytestream2_get_bytes_left(&s->gb) < count / 3 * off * 3)
p |= (tget(&pal_gb[0], type, s->le) >> off) << 16;
p |= (tget(&pal_gb[1], type, s->le) >> off) << 8;
p |= tget(&pal_gb[2], type, s->le) >> off;
- pal[i] = p;
+ s->palette[i] = p;
}
s->palette_is_set = 1;
break;
}
case TIFF_PLANAR:
- if (value == 2) {
- avpriv_report_missing_feature(s->avctx, "Planar format");
- return AVERROR_PATCHWELCOME;
- }
+ s->planar = value == 2;
break;
case TIFF_T4OPTIONS:
if (s->compr == TIFF_G3)
TiffContext *const s = avctx->priv_data;
AVFrame *const p = data;
unsigned off;
- int id, le, ret;
+ int id, le, ret, plane, planes;
int i, j, entries, stride;
unsigned soff, ssize;
uint8_t *dst;
av_log(avctx, AV_LOG_ERROR, "TIFF header not found\n");
return AVERROR_INVALIDDATA;
}
- s->le = le;
- s->invert = 0;
- s->compr = TIFF_RAW;
- s->fill_order = 0;
+ s->le = le;
+ s->photometric = TIFF_PHOTOMETRIC_NONE;
+ s->compr = TIFF_RAW;
+ s->fill_order = 0;
// As TIFF 6.0 specification puts it "An arbitrary but carefully chosen number
// that further identifies the file as a TIFF file"
if (tget_short(&s->gb, le) != 42) {
av_log(avctx, AV_LOG_WARNING, "Image data size missing\n");
s->stripsize = avpkt->size - s->stripoff;
}
- stride = p->linesize[0];
- dst = p->data[0];
if (s->stripsizesoff) {
if (s->stripsizesoff >= avpkt->size)
avpkt->size - s->strippos);
}
- for (i = 0; i < s->height; i += s->rps) {
- if (s->stripsizesoff)
- ssize = tget(&stripsizes, s->sstype, le);
- else
- ssize = s->stripsize;
-
- if (s->strippos)
- soff = tget(&stripdata, s->sot, le);
- else
- soff = s->stripoff;
-
- if (soff > avpkt->size || ssize > avpkt->size - soff) {
- av_log(avctx, AV_LOG_ERROR, "Invalid strip size/offset\n");
- return AVERROR_INVALIDDATA;
+ planes = s->planar ? s->bppcount : 1;
+ for (plane = 0; plane < planes; plane++) {
+ stride = p->linesize[plane];
+ dst = p->data[plane];
+ for (i = 0; i < s->height; i += s->rps) {
+ if (s->stripsizesoff)
+ ssize = tget(&stripsizes, s->sstype, le);
+ else
+ ssize = s->stripsize;
+
+ if (s->strippos)
+ soff = tget(&stripdata, s->sot, le);
+ else
+ soff = s->stripoff;
+
+ if (soff > avpkt->size || ssize > avpkt->size - soff) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid strip size/offset\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if ((ret = tiff_unpack_strip(s, dst, stride, avpkt->data + soff, ssize,
+ FFMIN(s->rps, s->height - i))) < 0) {
+ if (avctx->err_recognition & AV_EF_EXPLODE)
+ return ret;
+ break;
+ }
+ dst += s->rps * stride;
}
- if ((ret = tiff_unpack_strip(s, dst, stride, avpkt->data + soff, ssize,
- FFMIN(s->rps, s->height - i))) < 0) {
- if (avctx->err_recognition & AV_EF_EXPLODE)
- return ret;
- break;
+ if (s->predictor == 2) {
+ dst = p->data[plane];
+ soff = s->bpp >> 3;
+ ssize = s->width * soff;
+ if (s->avctx->pix_fmt == AV_PIX_FMT_RGB48LE ||
+ s->avctx->pix_fmt == AV_PIX_FMT_RGBA64LE) {
+ for (i = 0; i < s->height; i++) {
+ for (j = soff; j < ssize; j += 2)
+ AV_WL16(dst + j, AV_RL16(dst + j) + AV_RL16(dst + j - soff));
+ dst += stride;
+ }
+ } else if (s->avctx->pix_fmt == AV_PIX_FMT_RGB48BE ||
+ s->avctx->pix_fmt == AV_PIX_FMT_RGBA64BE) {
+ for (i = 0; i < s->height; i++) {
+ for (j = soff; j < ssize; j += 2)
+ AV_WB16(dst + j, AV_RB16(dst + j) + AV_RB16(dst + j - soff));
+ dst += stride;
+ }
+ } else {
+ for (i = 0; i < s->height; i++) {
+ for (j = soff; j < ssize; j++)
+ dst[j] += dst[j - soff];
+ dst += stride;
+ }
+ }
}
- dst += s->rps * stride;
- }
- if (s->predictor == 2) {
- dst = p->data[0];
- soff = s->bpp >> 3;
- ssize = s->width * soff;
- for (i = 0; i < s->height; i++) {
- for (j = soff; j < ssize; j++)
- dst[j] += dst[j - soff];
- dst += stride;
+
+ if (s->photometric == TIFF_PHOTOMETRIC_WHITE_IS_ZERO) {
+ dst = p->data[plane];
+ for (i = 0; i < s->height; i++) {
+ for (j = 0; j < stride; j++)
+ dst[j] = 255 - dst[j];
+ dst += stride;
+ }
}
}
- if (s->invert) {
- dst = p->data[0];
- for (i = 0; i < s->height; i++) {
- for (j = 0; j < p->linesize[0]; j++)
- dst[j] = 255 - dst[j];
- dst += stride;
- }
+ if (s->planar && s->bppcount > 2) {
+ FFSWAP(uint8_t*, p->data[0], p->data[2]);
+ FFSWAP(int, p->linesize[0], p->linesize[2]);
+ FFSWAP(uint8_t*, p->data[0], p->data[1]);
+ FFSWAP(int, p->linesize[0], p->linesize[1]);
}
+
*got_frame = 1;
return avpkt->size;
.init = tiff_init,
.close = tiff_end,
.decode = decode_frame,
- .capabilities = CODEC_CAP_DR1,
+ .capabilities = AV_CODEC_CAP_DR1,
};
projects / ffmpeg / blobdiff