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author | Martin Vignali <martin.vignali@gmail.com> | 2016-04-04 22:00:31 +0200 |
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committer | Paul B Mahol <onemda@gmail.com> | 2016-04-04 22:30:50 +0200 |
commit | 832861535a51a0c964a25207b86d9f2f04fced12 (patch) | |
tree | 77fb4de6234342a053158e146cfd854ad26d0ff2 /libavcodec/exr.c | |
parent | 062ad63064b5ab39ee79a61bf98baa5d3d6b81fd (diff) | |
download | ffmpeg-832861535a51a0c964a25207b86d9f2f04fced12.tar.gz |
libavcodec/exr : add support for compression in tile
Diffstat (limited to 'libavcodec/exr.c')
-rw-r--r-- | libavcodec/exr.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index e25fe83f28..b5428310e8 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -780,9 +780,9 @@ static int piz_uncompress(EXRContext *s, const uint8_t *src, int ssize, int size = channel->pixel_type; for (j = 0; j < size; j++) - wav_decode(ptr + j, s->xdelta, size, s->ysize, - s->xdelta * size, maxval); - ptr += s->xdelta * s->ysize * size; + wav_decode(ptr + j, s->xsize, size, s->ysize, + s->xsize * size, maxval); + ptr += s->xsize * s->ysize * size; } apply_lut(td->lut, tmp, dsize / sizeof(uint16_t)); @@ -790,9 +790,9 @@ static int piz_uncompress(EXRContext *s, const uint8_t *src, int ssize, out = td->uncompressed_data; for (i = 0; i < s->ysize; i++) for (j = 0; j < s->nb_channels; j++) { - uint16_t *in = tmp + j * s->xdelta * s->ysize + i * s->xdelta; - memcpy(out, in, s->xdelta * 2); - out += s->xdelta * 2; + uint16_t *in = tmp + j * s->xsize * s->ysize + i * s->xsize; + memcpy(out, in, s->xsize * 2); + out += s->xsize * 2; } return 0; @@ -830,11 +830,11 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src, switch (channel->pixel_type) { case EXR_FLOAT: ptr[0] = in; - ptr[1] = ptr[0] + s->xdelta; - ptr[2] = ptr[1] + s->xdelta; - in = ptr[2] + s->xdelta; + ptr[1] = ptr[0] + s->xsize; + ptr[2] = ptr[1] + s->xsize; + in = ptr[2] + s->xsize; - for (j = 0; j < s->xdelta; ++j) { + for (j = 0; j < s->xsize; ++j) { uint32_t diff = (*(ptr[0]++) << 24) | (*(ptr[1]++) << 16) | (*(ptr[2]++) << 8); @@ -844,9 +844,9 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src, break; case EXR_HALF: ptr[0] = in; - ptr[1] = ptr[0] + s->xdelta; - in = ptr[1] + s->xdelta; - for (j = 0; j < s->xdelta; j++) { + ptr[1] = ptr[0] + s->xsize; + in = ptr[1] + s->xsize; + for (j = 0; j < s->xsize; j++) { uint32_t diff = (*(ptr[0]++) << 8) | *(ptr[1]++); pixel += diff; @@ -922,8 +922,8 @@ static int b44_uncompress(EXRContext *s, const uint8_t *src, int compressed_size int c, iY, iX, y, x; /* calc B44 block count */ - nbB44BlockW = s->xdelta / 4; - if ((s->xdelta % 4) != 0) + nbB44BlockW = s->xsize / 4; + if ((s->xsize % 4) != 0) nbB44BlockW++; nbB44BlockH = s->ysize / 4; @@ -957,8 +957,8 @@ static int b44_uncompress(EXRContext *s, const uint8_t *src, int compressed_size indexHgY = iY * 4; for (y = indexHgY; y < FFMIN(indexHgY + 4, s->ysize); y++) { - for (x = indexHgX; x < FFMIN(indexHgX + 4, s->xdelta); x++) { - indexOut = (c * s->xdelta + y * s->xdelta * s->nb_channels + x) * 2; + for (x = indexHgX; x < FFMIN(indexHgX + 4, s->xsize); x++) { + indexOut = (c * s->xsize + y * s->xsize * s->nb_channels + x) * 2; indexTmp = (y-indexHgY) * 4 + (x-indexHgX); td->uncompressed_data[indexOut] = tmpBuffer[indexTmp] & 0xff; td->uncompressed_data[indexOut + 1] = tmpBuffer[indexTmp] >> 8; @@ -1531,11 +1531,6 @@ static int decode_header(EXRContext *s) av_log(s->avctx, AV_LOG_ERROR, "Invalid tile attribute.\n"); return AVERROR_INVALIDDATA; } - - if (s->compression != EXR_RAW) { - avpriv_report_missing_feature(s->avctx, "Compression in tile %d", s->compression); - return AVERROR_PATCHWELCOME; - } } s->scan_line_size = s->xdelta * s->current_channel_offset; |