diff options
author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-07-11 20:24:00 +0200 |
---|---|---|
committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-09-15 21:29:59 +0200 |
commit | 828a0c4254c89699e0ececde3f35a0e262d4fd6e (patch) | |
tree | 86ca9018dd0a954cbb76e87e5d964ffcb2a4e9f1 /libavcodec/iff.c | |
parent | 8612b26202caddf47c9c277b75e88ac27b2fbda8 (diff) | |
download | ffmpeg-828a0c4254c89699e0ececde3f35a0e262d4fd6e.tar.gz |
avcodec/iff: Reindent after the previous commits
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/iff.c')
-rw-r--r-- | libavcodec/iff.c | 260 |
1 files changed, 128 insertions, 132 deletions
diff --git a/libavcodec/iff.c b/libavcodec/iff.c index 9371763fba..33e02b543d 100644 --- a/libavcodec/iff.c +++ b/libavcodec/iff.c @@ -206,7 +206,7 @@ static int extract_header(AVCodecContext *const avctx, IffContext *s = avctx->priv_data; const uint8_t *buf = extradata; unsigned buf_size = 0; - int i, palette_size; + int palette_size; if (extradata_size < 2) { av_log(avctx, AV_LOG_ERROR, "not enough extradata\n"); @@ -214,109 +214,109 @@ static int extract_header(AVCodecContext *const avctx, } palette_size = extradata_size - AV_RB16(extradata); - buf_size = bytestream_get_be16(&buf); - if (buf_size <= 1 || palette_size < 0) { - av_log(avctx, AV_LOG_ERROR, - "Invalid palette size received: %u -> palette data offset: %d\n", - buf_size, palette_size); - return AVERROR_INVALIDDATA; - } + buf_size = bytestream_get_be16(&buf); + if (buf_size <= 1 || palette_size < 0) { + av_log(avctx, AV_LOG_ERROR, + "Invalid palette size received: %u -> palette data offset: %d\n", + buf_size, palette_size); + return AVERROR_INVALIDDATA; + } if (buf_size < 41) return 0; - s->compression = bytestream_get_byte(&buf); - s->bpp = bytestream_get_byte(&buf); - s->ham = bytestream_get_byte(&buf); - s->flags = bytestream_get_byte(&buf); - s->transparency = bytestream_get_be16(&buf); - s->masking = bytestream_get_byte(&buf); - for (i = 0; i < 16; i++) - s->tvdc[i] = bytestream_get_be16(&buf); - - if (s->ham) { - if (s->bpp > 8) { - av_log(avctx, AV_LOG_ERROR, "Invalid number of hold bits for HAM: %u\n", s->ham); - return AVERROR_INVALIDDATA; - } else if (s->ham != (s->bpp > 6 ? 6 : 4)) { - av_log(avctx, AV_LOG_ERROR, "Invalid number of hold bits for HAM: %u, BPP: %u\n", s->ham, s->bpp); - return AVERROR_INVALIDDATA; - } + s->compression = bytestream_get_byte(&buf); + s->bpp = bytestream_get_byte(&buf); + s->ham = bytestream_get_byte(&buf); + s->flags = bytestream_get_byte(&buf); + s->transparency = bytestream_get_be16(&buf); + s->masking = bytestream_get_byte(&buf); + for (int i = 0; i < 16; i++) + s->tvdc[i] = bytestream_get_be16(&buf); + + if (s->ham) { + if (s->bpp > 8) { + av_log(avctx, AV_LOG_ERROR, "Invalid number of hold bits for HAM: %u\n", s->ham); + return AVERROR_INVALIDDATA; + } else if (s->ham != (s->bpp > 6 ? 6 : 4)) { + av_log(avctx, AV_LOG_ERROR, "Invalid number of hold bits for HAM: %u, BPP: %u\n", s->ham, s->bpp); + return AVERROR_INVALIDDATA; } + } - if (s->masking == MASK_HAS_MASK) { - if (s->bpp >= 8 && !s->ham) { - avctx->pix_fmt = AV_PIX_FMT_RGB32; - if (s->bpp > 16) { - av_log(avctx, AV_LOG_ERROR, "bpp %d too large for palette\n", s->bpp); - return AVERROR(ENOMEM); - } - s->mask_buf = av_malloc((s->planesize * 32) + AV_INPUT_BUFFER_PADDING_SIZE); - if (!s->mask_buf) - return AVERROR(ENOMEM); - s->mask_palbuf = av_malloc((2 << s->bpp) * sizeof(uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE); - if (!s->mask_palbuf) - return AVERROR(ENOMEM); + if (s->masking == MASK_HAS_MASK) { + if (s->bpp >= 8 && !s->ham) { + avctx->pix_fmt = AV_PIX_FMT_RGB32; + if (s->bpp > 16) { + av_log(avctx, AV_LOG_ERROR, "bpp %d too large for palette\n", s->bpp); + return AVERROR(ENOMEM); } - s->bpp++; - } else if (s->masking != MASK_NONE && s->masking != MASK_HAS_TRANSPARENT_COLOR) { - av_log(avctx, AV_LOG_ERROR, "Masking not supported\n"); - return AVERROR_PATCHWELCOME; - } - if (!s->bpp || s->bpp > 32) { - av_log(avctx, AV_LOG_ERROR, "Invalid number of bitplanes: %u\n", s->bpp); - return AVERROR_INVALIDDATA; + s->mask_buf = av_malloc((s->planesize * 32) + AV_INPUT_BUFFER_PADDING_SIZE); + if (!s->mask_buf) + return AVERROR(ENOMEM); + s->mask_palbuf = av_malloc((2 << s->bpp) * sizeof(uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE); + if (!s->mask_palbuf) + return AVERROR(ENOMEM); } - if (s->video_size && s->planesize * s->bpp * avctx->height > s->video_size) - return AVERROR_INVALIDDATA; + s->bpp++; + } else if (s->masking != MASK_NONE && s->masking != MASK_HAS_TRANSPARENT_COLOR) { + av_log(avctx, AV_LOG_ERROR, "Masking not supported\n"); + return AVERROR_PATCHWELCOME; + } + if (!s->bpp || s->bpp > 32) { + av_log(avctx, AV_LOG_ERROR, "Invalid number of bitplanes: %u\n", s->bpp); + return AVERROR_INVALIDDATA; + } + if (s->video_size && s->planesize * s->bpp * avctx->height > s->video_size) + return AVERROR_INVALIDDATA; - if (s->ham) { - int i, count = FFMIN(palette_size / 3, 1 << s->ham); - int ham_count; - const uint8_t *const palette = extradata + AV_RB16(extradata); - int extra_space = 1; + if (s->ham) { + int count = FFMIN(palette_size / 3, 1 << s->ham); + int ham_count; + const uint8_t *const palette = extradata + AV_RB16(extradata); + int extra_space = 1; - if (avctx->codec_tag == MKTAG('P', 'B', 'M', ' ') && s->ham == 4) - extra_space = 4; + if (avctx->codec_tag == MKTAG('P', 'B', 'M', ' ') && s->ham == 4) + extra_space = 4; - s->ham_buf = av_malloc((s->planesize * 8) + AV_INPUT_BUFFER_PADDING_SIZE); - if (!s->ham_buf) - return AVERROR(ENOMEM); + s->ham_buf = av_malloc((s->planesize * 8) + AV_INPUT_BUFFER_PADDING_SIZE); + if (!s->ham_buf) + return AVERROR(ENOMEM); - ham_count = 8 * (1 << s->ham); - s->ham_palbuf = av_malloc(extra_space * (ham_count << !!(s->masking == MASK_HAS_MASK)) * sizeof (uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE); - if (!s->ham_palbuf) - return AVERROR(ENOMEM); + ham_count = 8 * (1 << s->ham); + s->ham_palbuf = av_malloc(extra_space * (ham_count << !!(s->masking == MASK_HAS_MASK)) * sizeof (uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE); + if (!s->ham_palbuf) + return AVERROR(ENOMEM); - if (count) { // HAM with color palette attached - // prefill with black and palette and set HAM take direct value mask to zero - memset(s->ham_palbuf, 0, (1 << s->ham) * 2 * sizeof (uint32_t)); - for (i=0; i < count; i++) { - s->ham_palbuf[i*2+1] = 0xFF000000 | AV_RL24(palette + i*3); - } - count = 1 << s->ham; - } else { // HAM with grayscale color palette - count = 1 << s->ham; - for (i=0; i < count; i++) { - s->ham_palbuf[i*2] = 0xFF000000; // take direct color value from palette - s->ham_palbuf[i*2+1] = 0xFF000000 | av_le2ne32(gray2rgb((i * 255) >> s->ham)); - } - } - for (i=0; i < count; i++) { - uint32_t tmp = i << (8 - s->ham); - tmp |= tmp >> s->ham; - s->ham_palbuf[(i+count)*2] = 0xFF00FFFF; // just modify blue color component - s->ham_palbuf[(i+count*2)*2] = 0xFFFFFF00; // just modify red color component - s->ham_palbuf[(i+count*3)*2] = 0xFFFF00FF; // just modify green color component - s->ham_palbuf[(i+count)*2+1] = 0xFF000000 | tmp << 16; - s->ham_palbuf[(i+count*2)*2+1] = 0xFF000000 | tmp; - s->ham_palbuf[(i+count*3)*2+1] = 0xFF000000 | tmp << 8; + if (count) { // HAM with color palette attached + // prefill with black and palette and set HAM take direct value mask to zero + memset(s->ham_palbuf, 0, (1 << s->ham) * 2 * sizeof (uint32_t)); + for (int i = 0; i < count; i++) { + s->ham_palbuf[i*2+1] = 0xFF000000 | AV_RL24(palette + i*3); } - if (s->masking == MASK_HAS_MASK) { - for (i = 0; i < ham_count; i++) - s->ham_palbuf[(1 << s->bpp) + i] = s->ham_palbuf[i] | 0xFF000000; + count = 1 << s->ham; + } else { // HAM with grayscale color palette + count = 1 << s->ham; + for (int i = 0; i < count; i++) { + s->ham_palbuf[i*2] = 0xFF000000; // take direct color value from palette + s->ham_palbuf[i*2+1] = 0xFF000000 | av_le2ne32(gray2rgb((i * 255) >> s->ham)); } } + for (int i = 0; i < count; i++) { + uint32_t tmp = i << (8 - s->ham); + tmp |= tmp >> s->ham; + s->ham_palbuf[(i+count)*2] = 0xFF00FFFF; // just modify blue color component + s->ham_palbuf[(i+count*2)*2] = 0xFFFFFF00; // just modify red color component + s->ham_palbuf[(i+count*3)*2] = 0xFFFF00FF; // just modify green color component + s->ham_palbuf[(i+count)*2+1] = 0xFF000000 | tmp << 16; + s->ham_palbuf[(i+count*2)*2+1] = 0xFF000000 | tmp; + s->ham_palbuf[(i+count*3)*2+1] = 0xFF000000 | tmp << 8; + } + if (s->masking == MASK_HAS_MASK) { + for (int i = 0; i < ham_count; i++) + s->ham_palbuf[(1 << s->bpp) + i] = s->ham_palbuf[i] | 0xFF000000; + } + } return 0; } @@ -1469,57 +1469,53 @@ static int parse_packet_header(AVCodecContext *const avctx, GetByteContext *gb) { IffContext *s = avctx->priv_data; - int i; - - uint32_t chunk_id; - uint64_t data_size; if (avctx->codec_tag != MKTAG('A', 'N', 'I', 'M')) return 0; - bytestream2_skip(gb, 4); - while (bytestream2_get_bytes_left(gb) >= 1) { - chunk_id = bytestream2_get_le32(gb); - data_size = bytestream2_get_be32(gb); - - if (chunk_id == MKTAG('B', 'M', 'H', 'D')) { - bytestream2_skip(gb, data_size + (data_size & 1)); - } else if (chunk_id == MKTAG('A', 'N', 'H', 'D')) { - unsigned extra; - if (data_size < 40) - return AVERROR_INVALIDDATA; - - s->compression = (bytestream2_get_byte(gb) << 8) | (s->compression & 0xFF); - bytestream2_skip(gb, 19); - extra = bytestream2_get_be32(gb); - s->is_short = !(extra & 1); - s->is_brush = extra == 2; - s->is_interlaced = !!(extra & 0x40); - data_size -= 24; - bytestream2_skip(gb, data_size + (data_size & 1)); - } else if (chunk_id == MKTAG('D', 'L', 'T', 'A') || - chunk_id == MKTAG('B', 'O', 'D', 'Y')) { - if (chunk_id == MKTAG('B','O','D','Y')) - s->compression &= 0xFF; - break; - } else if (chunk_id == MKTAG('C', 'M', 'A', 'P')) { - int count = data_size / 3; - uint32_t *pal = s->pal; - - if (count > 256) - return AVERROR_INVALIDDATA; - if (s->ham) { - for (i = 0; i < count; i++) - pal[i] = 0xFF000000 | bytestream2_get_le24(gb); - } else { - for (i = 0; i < count; i++) - pal[i] = 0xFF000000 | bytestream2_get_be24(gb); - } - bytestream2_skip(gb, data_size & 1); + bytestream2_skip(gb, 4); + while (bytestream2_get_bytes_left(gb) >= 1) { + uint32_t chunk_id = bytestream2_get_le32(gb); + uint64_t data_size = bytestream2_get_be32(gb); + + if (chunk_id == MKTAG('B', 'M', 'H', 'D')) { + bytestream2_skip(gb, data_size + (data_size & 1)); + } else if (chunk_id == MKTAG('A', 'N', 'H', 'D')) { + unsigned extra; + if (data_size < 40) + return AVERROR_INVALIDDATA; + + s->compression = (bytestream2_get_byte(gb) << 8) | (s->compression & 0xFF); + bytestream2_skip(gb, 19); + extra = bytestream2_get_be32(gb); + s->is_short = !(extra & 1); + s->is_brush = extra == 2; + s->is_interlaced = !!(extra & 0x40); + data_size -= 24; + bytestream2_skip(gb, data_size + (data_size & 1)); + } else if (chunk_id == MKTAG('D', 'L', 'T', 'A') || + chunk_id == MKTAG('B', 'O', 'D', 'Y')) { + if (chunk_id == MKTAG('B','O','D','Y')) + s->compression &= 0xFF; + break; + } else if (chunk_id == MKTAG('C', 'M', 'A', 'P')) { + int count = data_size / 3; + uint32_t *pal = s->pal; + + if (count > 256) + return AVERROR_INVALIDDATA; + if (s->ham) { + for (int i = 0; i < count; i++) + pal[i] = 0xFF000000 | bytestream2_get_le24(gb); } else { - bytestream2_skip(gb, data_size + (data_size&1)); + for (int i = 0; i < count; i++) + pal[i] = 0xFF000000 | bytestream2_get_be24(gb); } + bytestream2_skip(gb, data_size & 1); + } else { + bytestream2_skip(gb, data_size + (data_size&1)); } + } return 0; } |