/* * Copyright (c) 2015-2016 Kieran Kunhya <kieran@kunhya.com> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * Cineform HD video decoder */ #include "libavutil/attributes.h" #include "libavutil/common.h" #include "libavutil/intreadwrite.h" #include "libavutil/mem.h" #include "libavutil/pixdesc.h" #include "avcodec.h" #include "bytestream.h" #include "codec_internal.h" #include "decode.h" #include "get_bits.h" #include "internal.h" #include "thread.h" #include "cfhd.h" #define ALPHA_COMPAND_DC_OFFSET 256 #define ALPHA_COMPAND_GAIN 9400 static av_cold int cfhd_init(AVCodecContext *avctx) { CFHDContext *s = avctx->priv_data; s->avctx = avctx; for (int i = 0; i < 64; i++) { int val = i; if (val >= 40) { if (val >= 54) { val -= 54; val <<= 2; val += 54; } val -= 40; val <<= 2; val += 40; } s->lut[0][i] = val; } for (int i = 0; i < 256; i++) s->lut[1][i] = i + ((768LL * i * i * i) / (256 * 256 * 256)); return ff_cfhd_init_vlcs(s); } static void init_plane_defaults(CFHDContext *s) { s->subband_num = 0; s->level = 0; s->subband_num_actual = 0; } static void init_peak_table_defaults(CFHDContext *s) { s->peak.level = 0; s->peak.offset = 0; memset(&s->peak.base, 0, sizeof(s->peak.base)); } static void init_frame_defaults(CFHDContext *s) { s->coded_width = 0; s->coded_height = 0; s->coded_format = AV_PIX_FMT_YUV422P10; s->cropped_height = 0; s->bpc = 10; s->channel_cnt = 3; s->subband_cnt = SUBBAND_COUNT; s->channel_num = 0; s->lowpass_precision = 16; s->quantisation = 1; s->codebook = 0; s->difference_coding = 0; s->frame_type = 0; s->sample_type = 0; if (s->transform_type != 2) s->transform_type = -1; init_plane_defaults(s); init_peak_table_defaults(s); } static inline int dequant_and_decompand(CFHDContext *s, int level, int quantisation, int codebook) { if (codebook == 0 || codebook == 1) { return s->lut[codebook][abs(level)] * FFSIGN(level) * quantisation; } else return level * quantisation; } static inline void difference_coding(int16_t *band, int width, int height) { int i,j; for (i = 0; i < height; i++) { for (j = 1; j < width; j++) { band[j] += band[j-1]; } band += width; } } static inline void peak_table(int16_t *band, Peak *peak, int length) { int i; for (i = 0; i < length; i++) if (abs(band[i]) > peak->level) band[i] = bytestream2_get_le16(&peak->base); } static inline void process_alpha(int16_t *alpha, int width) { int i, channel; for (i = 0; i < width; i++) { channel = alpha[i]; channel -= ALPHA_COMPAND_DC_OFFSET; channel <<= 3; channel *= ALPHA_COMPAND_GAIN; channel >>= 16; channel = av_clip_uintp2(channel, 12); alpha[i] = channel; } } static inline void process_bayer(AVFrame *frame, int bpc) { const int linesize = frame->linesize[0]; uint16_t *r = (uint16_t *)frame->data[0]; uint16_t *g1 = (uint16_t *)(frame->data[0] + 2); uint16_t *g2 = (uint16_t *)(frame->data[0] + frame->linesize[0]); uint16_t *b = (uint16_t *)(frame->data[0] + frame->linesize[0] + 2); const int mid = 1 << (bpc - 1); const int factor = 1 << (16 - bpc); for (int y = 0; y < frame->height >> 1; y++) { for (int x = 0; x < frame->width; x += 2) { int R, G1, G2, B; int g, rg, bg, gd; g = r[x]; rg = g1[x]; bg = g2[x]; gd = b[x]; gd -= mid; R = (rg - mid) * 2 + g; G1 = g + gd; G2 = g - gd; B = (bg - mid) * 2 + g; R = av_clip_uintp2(R * factor, 16); G1 = av_clip_uintp2(G1 * factor, 16); G2 = av_clip_uintp2(G2 * factor, 16); B = av_clip_uintp2(B * factor, 16); r[x] = R; g1[x] = G1; g2[x] = G2; b[x] = B; } r += linesize; g1 += linesize; g2 += linesize; b += linesize; } } static inline void interlaced_vertical_filter(int16_t *output, int16_t *low, int16_t *high, int width, int linesize, int plane) { int i; int16_t even, odd; for (i = 0; i < width; i++) { even = (low[i] - high[i])/2; odd = (low[i] + high[i])/2; output[i] = av_clip_uintp2(even, 10); output[i + linesize] = av_clip_uintp2(odd, 10); } } static inline void inverse_temporal_filter(int16_t *low, int16_t *high, int width) { for (int i = 0; i < width; i++) { int even = (low[i] - high[i]) / 2; int odd = (low[i] + high[i]) / 2; low[i] = even; high[i] = odd; } } static void free_buffers(CFHDContext *s) { int i, j; for (i = 0; i < FF_ARRAY_ELEMS(s->plane); i++) { Plane *p = &s->plane[i]; av_freep(&s->plane[i].idwt_buf); av_freep(&s->plane[i].idwt_tmp); s->plane[i].idwt_size = 0; for (j = 0; j < SUBBAND_COUNT_3D; j++) s->plane[i].subband[j] = NULL; for (j = 0; j < 10; j++) s->plane[i].l_h[j] = NULL; for (j = 0; j < DWT_LEVELS_3D; j++) p->band[j][0].read_ok = p->band[j][1].read_ok = p->band[j][2].read_ok = p->band[j][3].read_ok = 0; } s->a_height = 0; s->a_width = 0; s->a_transform_type = INT_MIN; } static int alloc_buffers(AVCodecContext *avctx) { CFHDContext *s = avctx->priv_data; int i, j, ret, planes, bayer = 0; int chroma_x_shift, chroma_y_shift; unsigned k; if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0) return ret; avctx->pix_fmt = s->coded_format; ff_cfhddsp_init(&s->dsp, s->bpc, avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16); if ((ret = av_pix_fmt_get_chroma_sub_sample(s->coded_format, &chroma_x_shift, &chroma_y_shift)) < 0) return ret; planes = av_pix_fmt_count_planes(s->coded_format); if (s->coded_format == AV_PIX_FMT_BAYER_RGGB16) { planes = 4; chroma_x_shift = 1; chroma_y_shift = 1; bayer = 1; } for (i = 0; i < planes; i++) { int w8, h8, w4, h4, w2, h2; int width = (i || bayer) ? s->coded_width >> chroma_x_shift : s->coded_width; int height = (i || bayer) ? s->coded_height >> chroma_y_shift : s->coded_height; ptrdiff_t stride = (FFALIGN(width / 8, 8) + 64) * 8; if (chroma_y_shift && !bayer) height = FFALIGN(height / 8, 2) * 8; s->plane[i].width = width; s->plane[i].height = height; s->plane[i].stride = stride; w8 = FFALIGN(s->plane[i].width / 8, 8) + 64; h8 = FFALIGN(height, 8) / 8; w4 = w8 * 2; h4 = h8 * 2; w2 = w4 * 2; h2 = h4 * 2; if (s->transform_type == 0) { s->plane[i].idwt_size = FFALIGN(height, 8) * stride; s->plane[i].idwt_buf = av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf)); s->plane[i].idwt_tmp = av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp)); } else { s->plane[i].idwt_size = FFALIGN(height, 8) * stride * 2; s->plane[i].idwt_buf = av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf)); s->plane[i].idwt_tmp = av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp)); } if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp) return AVERROR(ENOMEM); s->plane[i].subband[0] = s->plane[i].idwt_buf; s->plane[i].subband[1] = s->plane[i].idwt_buf + 2 * w8 * h8; s->plane[i].subband[2] = s->plane[i].idwt_buf + 1 * w8 * h8; s->plane[i].subband[3] = s->plane[i].idwt_buf + 3 * w8 * h8; s->plane[i].subband[4] = s->plane[i].idwt_buf + 2 * w4 * h4; s->plane[i].subband[5] = s->plane[i].idwt_buf + 1 * w4 * h4; s->plane[i].subband[6] = s->plane[i].idwt_buf + 3 * w4 * h4; if (s->transform_type == 0) { s->plane[i].subband[7] = s->plane[i].idwt_buf + 2 * w2 * h2; s->plane[i].subband[8] = s->plane[i].idwt_buf + 1 * w2 * h2; s->plane[i].subband[9] = s->plane[i].idwt_buf + 3 * w2 * h2; } else { int16_t *frame2 = s->plane[i].subband[7] = s->plane[i].idwt_buf + 4 * w2 * h2; s->plane[i].subband[8] = frame2 + 2 * w4 * h4; s->plane[i].subband[9] = frame2 + 1 * w4 * h4; s->plane[i].subband[10] = frame2 + 3 * w4 * h4; s->plane[i].subband[11] = frame2 + 2 * w2 * h2; s->plane[i].subband[12] = frame2 + 1 * w2 * h2; s->plane[i].subband[13] = frame2 + 3 * w2 * h2; s->plane[i].subband[14] = s->plane[i].idwt_buf + 2 * w2 * h2; s->plane[i].subband[15] = s->plane[i].idwt_buf + 1 * w2 * h2; s->plane[i].subband[16] = s->plane[i].idwt_buf + 3 * w2 * h2; } if (s->transform_type == 0) { for (j = 0; j < DWT_LEVELS; j++) { for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) { s->plane[i].band[j][k].a_width = w8 << j; s->plane[i].band[j][k].a_height = h8 << j; } } } else { for (j = 0; j < DWT_LEVELS_3D; j++) { int t = j < 1 ? 0 : (j < 3 ? 1 : 2); for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) { s->plane[i].band[j][k].a_width = w8 << t; s->plane[i].band[j][k].a_height = h8 << t; } } } /* ll2 and ll1 commented out because they are done in-place */ s->plane[i].l_h[0] = s->plane[i].idwt_tmp; s->plane[i].l_h[1] = s->plane[i].idwt_tmp + 2 * w8 * h8; // s->plane[i].l_h[2] = ll2; s->plane[i].l_h[3] = s->plane[i].idwt_tmp; s->plane[i].l_h[4] = s->plane[i].idwt_tmp + 2 * w4 * h4; // s->plane[i].l_h[5] = ll1; s->plane[i].l_h[6] = s->plane[i].idwt_tmp; s->plane[i].l_h[7] = s->plane[i].idwt_tmp + 2 * w2 * h2; if (s->transform_type != 0) { int16_t *frame2 = s->plane[i].idwt_tmp + 4 * w2 * h2; s->plane[i].l_h[8] = frame2; s->plane[i].l_h[9] = frame2 + 2 * w2 * h2; } } s->a_transform_type = s->transform_type; s->a_height = s->coded_height; s->a_width = s->coded_width; s->a_format = s->coded_format; return 0; } static int cfhd_decode(AVCodecContext *avctx, AVFrame *pic, int *got_frame, AVPacket *avpkt) { CFHDContext *s = avctx->priv_data; CFHDDSPContext *dsp = &s->dsp; GetByteContext gb; int ret = 0, i, j, plane, got_buffer = 0; int16_t *coeff_data; init_frame_defaults(s); s->planes = av_pix_fmt_count_planes(s->coded_format); bytestream2_init(&gb, avpkt->data, avpkt->size); while (bytestream2_get_bytes_left(&gb) >= 4) { /* Bit weird but implement the tag parsing as the spec says */ uint16_t tagu = bytestream2_get_be16(&gb); int16_t tag = (int16_t)tagu; int8_t tag8 = (int8_t)(tagu >> 8); uint16_t abstag = abs(tag); int8_t abs_tag8 = abs(tag8); uint16_t data = bytestream2_get_be16(&gb); if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6f) { av_log(avctx, AV_LOG_DEBUG, "large len %x\n", ((tagu & 0xff) << 16) | data); } else if (tag == SampleFlags) { av_log(avctx, AV_LOG_DEBUG, "Progressive? %"PRIu16"\n", data); s->progressive = data & 0x0001; } else if (tag == FrameType) { s->frame_type = data; av_log(avctx, AV_LOG_DEBUG, "Frame type %"PRIu16"\n", data); } else if (abstag == VersionMajor) { av_log(avctx, AV_LOG_DEBUG, "Version major %"PRIu16"\n", data); } else if (abstag == VersionMinor) { av_log(avctx, AV_LOG_DEBUG, "Version minor %"PRIu16"\n", data); } else if (abstag == VersionRevision) { av_log(avctx, AV_LOG_DEBUG, "Version revision %"PRIu16"\n", data); } else if (abstag == VersionEdit) { av_log(avctx, AV_LOG_DEBUG, "Version edit %"PRIu16"\n", data); } else if (abstag == Version) { av_log(avctx, AV_LOG_DEBUG, "Version %"PRIu16"\n", data); } else if (tag == ImageWidth) { av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data); s->coded_width = data; } else if (tag == ImageHeight) { av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data); s->coded_height = data; } else if (tag == ChannelCount) { av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data); s->channel_cnt = data; if (data > 4) { av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data); ret = AVERROR_PATCHWELCOME; goto end; } } else if (tag == SubbandCount) { av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data); if (data != SUBBAND_COUNT && data != SUBBAND_COUNT_3D) { av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data); ret = AVERROR_PATCHWELCOME; goto end; } } else if (tag == ChannelNumber) { s->channel_num = data; av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data); if (s->channel_num >= s->planes) { av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n"); ret = AVERROR(EINVAL); goto end; } init_plane_defaults(s); } else if (tag == SubbandNumber) { if (s->subband_num != 0 && data == 1 && (s->transform_type == 0 || s->transform_type == 2)) // hack s->level++; av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data); s->subband_num = data; if ((s->transform_type == 0 && s->level >= DWT_LEVELS) || (s->transform_type == 2 && s->level >= DWT_LEVELS_3D)) { av_log(avctx, AV_LOG_ERROR, "Invalid level\n"); ret = AVERROR(EINVAL); goto end; } if (s->subband_num > 3) { av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n"); ret = AVERROR(EINVAL); goto end; } } else if (tag == SubbandBand) { av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data); if ((s->transform_type == 0 && data >= SUBBAND_COUNT) || (s->transform_type == 2 && data >= SUBBAND_COUNT_3D && data != 255)) { av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n"); ret = AVERROR(EINVAL); goto end; } if (s->transform_type == 0 || s->transform_type == 2) s->subband_num_actual = data; else av_log(avctx, AV_LOG_WARNING, "Ignoring subband num actual %"PRIu16"\n", data); } else if (tag == LowpassPrecision) av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data); else if (tag == Quantization) { s->quantisation = data; av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data); } else if (tag == PrescaleTable) { for (i = 0; i < 8; i++) s->prescale_table[i] = (data >> (14 - i * 2)) & 0x3; av_log(avctx, AV_LOG_DEBUG, "Prescale table: %x\n", data); } else if (tag == BandEncoding) { if (!data || data > 5) { av_log(avctx, AV_LOG_ERROR, "Invalid band encoding\n"); ret = AVERROR(EINVAL); goto end; } s->band_encoding = data; av_log(avctx, AV_LOG_DEBUG, "Encode Method for Subband %d : %x\n", s->subband_num_actual, data); } else if (tag == LowpassWidth) { av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data); s->plane[s->channel_num].band[0][0].width = data; s->plane[s->channel_num].band[0][0].stride = data; } else if (tag == LowpassHeight) { av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data); s->plane[s->channel_num].band[0][0].height = data; } else if (tag == SampleType) { s->sample_type = data; av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data); } else if (tag == TransformType) { if (data > 2) { av_log(avctx, AV_LOG_ERROR, "Invalid transform type\n"); ret = AVERROR(EINVAL); goto end; } else if (data == 1) { av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n"); ret = AVERROR_PATCHWELCOME; goto end; } if (s->transform_type == -1) { s->transform_type = data; av_log(avctx, AV_LOG_DEBUG, "Transform type %"PRIu16"\n", data); } else { av_log(avctx, AV_LOG_DEBUG, "Ignoring additional transform type %"PRIu16"\n", data); } } else if (abstag >= 0x4000 && abstag <= 0x40ff) { if (abstag == 0x4001) s->peak.level = 0; av_log(avctx, AV_LOG_DEBUG, "Small chunk length %d %s\n", data * 4, tag < 0 ? "optional" : "required"); bytestream2_skipu(&gb, data * 4); } else if (tag == FrameIndex) { av_log(avctx, AV_LOG_DEBUG, "Frame index %"PRIu16"\n", data); s->frame_index = data; } else if (tag == SampleIndexTable) { av_log(avctx, AV_LOG_DEBUG, "Sample index table - skipping %i values\n", data); if (data > bytestream2_get_bytes_left(&gb) / 4) { av_log(avctx, AV_LOG_ERROR, "too many values (%d)\n", data); ret = AVERROR_INVALIDDATA; goto end; } for (i = 0; i < data; i++) { uint32_t offset = bytestream2_get_be32(&gb); av_log(avctx, AV_LOG_DEBUG, "Offset = %"PRIu32"\n", offset); } } else if (tag == HighpassWidth) { av_log(avctx, AV_LOG_DEBUG, "Highpass width %i channel %i level %i subband %i\n", data, s->channel_num, s->level, s->subband_num); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n"); ret = AVERROR(EINVAL); goto end; } s->plane[s->channel_num].band[s->level][s->subband_num].width = data; s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8); } else if (tag == HighpassHeight) { av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n"); ret = AVERROR(EINVAL); goto end; } s->plane[s->channel_num].band[s->level][s->subband_num].height = data; } else if (tag == BandWidth) { av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n"); ret = AVERROR(EINVAL); goto end; } s->plane[s->channel_num].band[s->level][s->subband_num].width = data; s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8); } else if (tag == BandHeight) { av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data); if (data < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n"); ret = AVERROR(EINVAL); goto end; } s->plane[s->channel_num].band[s->level][s->subband_num].height = data; } else if (tag == InputFormat) { av_log(avctx, AV_LOG_DEBUG, "Input format %i\n", data); if (s->coded_format == AV_PIX_FMT_NONE || s->coded_format == AV_PIX_FMT_YUV422P10) { if (data >= 100 && data <= 105) { s->coded_format = AV_PIX_FMT_BAYER_RGGB16; } else if (data >= 122 && data <= 128) { s->coded_format = AV_PIX_FMT_GBRP12; } else if (data == 30) { s->coded_format = AV_PIX_FMT_GBRAP12; } else { s->coded_format = AV_PIX_FMT_YUV422P10; } s->planes = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 4 : av_pix_fmt_count_planes(s->coded_format); } } else if (tag == BandCodingFlags) { s->codebook = data & 0xf; s->difference_coding = (data >> 4) & 1; av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook); } else if (tag == Precision) { av_log(avctx, AV_LOG_DEBUG, "Precision %i\n", data); if (!(data == 10 || data == 12)) { av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n"); ret = AVERROR(EINVAL); goto end; } avctx->bits_per_raw_sample = s->bpc = data; } else if (tag == EncodedFormat) { av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data); if (data == 1) { s->coded_format = AV_PIX_FMT_YUV422P10; } else if (data == 2) { s->coded_format = AV_PIX_FMT_BAYER_RGGB16; } else if (data == 3) { s->coded_format = AV_PIX_FMT_GBRP12; } else if (data == 4) { s->coded_format = AV_PIX_FMT_GBRAP12; } else { avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16, data); ret = AVERROR_PATCHWELCOME; goto end; } s->planes = data == 2 ? 4 : av_pix_fmt_count_planes(s->coded_format); } else if (tag == -DisplayHeight) { av_log(avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data); s->cropped_height = data; } else if (tag == -PeakOffsetLow) { s->peak.offset &= ~0xffff; s->peak.offset |= (data & 0xffff); s->peak.base = gb; s->peak.level = 0; } else if (tag == -PeakOffsetHigh) { s->peak.offset &= 0xffff; s->peak.offset |= (data & 0xffffU)<<16; s->peak.base = gb; s->peak.level = 0; } else if (tag == -PeakLevel && s->peak.offset) { s->peak.level = data; if (s->peak.offset < 4 - bytestream2_tell(&s->peak.base) || s->peak.offset > 4 + bytestream2_get_bytes_left(&s->peak.base) ) { ret = AVERROR_INVALIDDATA; goto end; } bytestream2_seek(&s->peak.base, s->peak.offset - 4, SEEK_CUR); } else av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data); if (tag == BitstreamMarker && data == 0xf0f && s->coded_format != AV_PIX_FMT_NONE) { int lowpass_height = s->plane[s->channel_num].band[0][0].height; int lowpass_width = s->plane[s->channel_num].band[0][0].width; int factor = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 2 : 1; if (s->coded_width) { s->coded_width *= factor; } if (s->coded_height) { s->coded_height *= factor; } if (!s->a_width && !s->coded_width) { s->coded_width = lowpass_width * factor * 8; } if (!s->a_height && !s->coded_height) { s->coded_height = lowpass_height * factor * 8; } if (s->a_width && !s->coded_width) s->coded_width = s->a_width; if (s->a_height && !s->coded_height) s->coded_height = s->a_height; if (s->a_width != s->coded_width || s->a_height != s->coded_height || s->a_format != s->coded_format || s->transform_type != s->a_transform_type) { free_buffers(s); if ((ret = alloc_buffers(avctx)) < 0) { free_buffers(s); return ret; } } ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height); if (ret < 0) return ret; if (s->cropped_height) { unsigned height = s->cropped_height << (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16); if (avctx->height < height) return AVERROR_INVALIDDATA; avctx->height = height; } pic->width = pic->height = 0; if ((ret = ff_thread_get_buffer(avctx, pic, 0)) < 0) return ret; s->coded_width = 0; s->coded_height = 0; s->coded_format = AV_PIX_FMT_NONE; got_buffer = 1; } else if (tag == FrameIndex && data == 1 && s->sample_type == 1 && s->frame_type == 2) { pic->width = pic->height = 0; if ((ret = ff_thread_get_buffer(avctx, pic, 0)) < 0) return ret; s->coded_width = 0; s->coded_height = 0; s->coded_format = AV_PIX_FMT_NONE; got_buffer = 1; } if (s->subband_num_actual == 255) goto finish; coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual]; /* Lowpass coefficients */ if (tag == BitstreamMarker && data == 0xf0f) { int lowpass_height, lowpass_width, lowpass_a_height, lowpass_a_width; if (!s->a_width || !s->a_height) { ret = AVERROR_INVALIDDATA; goto end; } lowpass_height = s->plane[s->channel_num].band[0][0].height; lowpass_width = s->plane[s->channel_num].band[0][0].width; lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height; lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width; if (lowpass_width < 3 || lowpass_width > lowpass_a_width) { av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n"); ret = AVERROR(EINVAL); goto end; } if (lowpass_height < 3 || lowpass_height > lowpass_a_height) { av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n"); ret = AVERROR(EINVAL); goto end; } if (!got_buffer) { av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n"); ret = AVERROR(EINVAL); goto end; } if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width || lowpass_width * lowpass_height * sizeof(int16_t) > bytestream2_get_bytes_left(&gb)) { av_log(avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Start of lowpass coeffs component %d height:%d, width:%d\n", s->channel_num, lowpass_height, lowpass_width); for (i = 0; i < lowpass_height; i++) { for (j = 0; j < lowpass_width; j++) coeff_data[j] = bytestream2_get_be16u(&gb); coeff_data += lowpass_width; } /* Align to mod-4 position to continue reading tags */ bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR); /* Copy last line of coefficients if odd height */ if (lowpass_height & 1) { memcpy(&coeff_data[lowpass_height * lowpass_width], &coeff_data[(lowpass_height - 1) * lowpass_width], lowpass_width * sizeof(*coeff_data)); } s->plane[s->channel_num].band[0][0].read_ok = 1; av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height); } av_assert0(s->subband_num_actual != 255); if (tag == BandHeader || tag == BandSecondPass) { int highpass_height, highpass_width, highpass_a_width, highpass_a_height, highpass_stride, a_expected; int expected; int level, run, coeff; int count = 0, bytes; if (!s->a_width || !s->a_height) { ret = AVERROR_INVALIDDATA; goto end; } highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height; highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width; highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width; highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height; highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride; a_expected = highpass_a_height * highpass_a_width; if (!got_buffer) { av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n"); ret = AVERROR(EINVAL); goto end; } if (highpass_height > highpass_a_height || highpass_width > highpass_a_width || a_expected < highpass_height * (uint64_t)highpass_stride) { av_log(avctx, AV_LOG_ERROR, "Too many highpass coefficients\n"); ret = AVERROR(EINVAL); goto end; } expected = highpass_height * highpass_stride; av_log(avctx, AV_LOG_DEBUG, "Start subband coeffs plane %i level %i codebook %i expected %i\n", s->channel_num, s->level, s->codebook, expected); ret = init_get_bits8(&s->gb, gb.buffer, bytestream2_get_bytes_left(&gb)); if (ret < 0) goto end; { OPEN_READER(re, &s->gb); const int lossless = s->band_encoding == 5; if (s->codebook == 0 && s->transform_type == 2 && s->subband_num_actual == 7) s->codebook = 1; if (!s->codebook) { while (1) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, s->table_9_rl_vlc, VLC_BITS, 3, 1); /* escape */ if (!run) break; count += run; if (count > expected) break; if (!lossless) coeff = dequant_and_decompand(s, level, s->quantisation, 0); else coeff = level; if (tag == BandSecondPass) { const uint16_t q = s->quantisation; for (i = 0; i < run; i++) { *coeff_data |= coeff * 256U; *coeff_data++ *= q; } } else { for (i = 0; i < run; i++) *coeff_data++ = coeff; } } } else { while (1) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, s->table_18_rl_vlc, VLC_BITS, 3, 1); /* escape */ if (!run) break; count += run; if (count > expected) break; if (!lossless) coeff = dequant_and_decompand(s, level, s->quantisation, s->codebook); else coeff = level; if (tag == BandSecondPass) { const uint16_t q = s->quantisation; for (i = 0; i < run; i++) { *coeff_data |= coeff * 256U; *coeff_data++ *= q; } } else { for (i = 0; i < run; i++) *coeff_data++ = coeff; } } } CLOSE_READER(re, &s->gb); } if (count > expected) { av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n"); ret = AVERROR(EINVAL); goto end; } if (s->peak.level) peak_table(coeff_data - count, &s->peak, count); if (s->difference_coding) difference_coding(s->plane[s->channel_num].subband[s->subband_num_actual], highpass_width, highpass_height); bytes = FFALIGN(AV_CEIL_RSHIFT(get_bits_count(&s->gb), 3), 4); if (bytes > bytestream2_get_bytes_left(&gb)) { av_log(avctx, AV_LOG_ERROR, "Bitstream overread error\n"); ret = AVERROR(EINVAL); goto end; } else bytestream2_seek(&gb, bytes, SEEK_CUR); av_log(avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n", count, count - expected); s->plane[s->channel_num].band[s->level][s->subband_num].read_ok = 1; finish: if (s->subband_num_actual != 255) s->codebook = 0; } } s->planes = av_pix_fmt_count_planes(avctx->pix_fmt); if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { s->progressive = 1; s->planes = 4; } ff_thread_finish_setup(avctx); if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE || s->a_transform_type == INT_MIN || s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE) { av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n"); ret = AVERROR(EINVAL); goto end; } if (!got_buffer) { av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n"); ret = AVERROR(EINVAL); goto end; } for (plane = 0; plane < s->planes; plane++) { int o, level; for (level = 0; level < (s->transform_type == 0 ? DWT_LEVELS : DWT_LEVELS_3D) ; level++) { if (s->transform_type == 2) if (level == 2 || level == 5) continue; for (o = !!level; o < 4 ; o++) { if (!s->plane[plane].band[level][o].read_ok) { ret = AVERROR_INVALIDDATA; goto end; } } } } if (s->transform_type == 0 && s->sample_type != 1) { for (plane = 0; plane < s->planes && !ret; plane++) { /* level 1 */ int lowpass_height = s->plane[plane].band[0][0].height; int output_stride = s->plane[plane].band[0][0].a_width; int lowpass_width = s->plane[plane].band[0][0].width; int highpass_stride = s->plane[plane].band[0][1].stride; int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane; ptrdiff_t dst_linesize; int16_t *low, *high, *output, *dst; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { act_plane = 0; dst_linesize = pic->linesize[act_plane]; } else { dst_linesize = pic->linesize[act_plane] / 2; } if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width || !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width || lowpass_width < 3 || lowpass_height < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].subband[0]; high = s->plane[plane].subband[2]; output = s->plane[plane].l_h[0]; dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[1]; high = s->plane[plane].subband[3]; output = s->plane[plane].l_h[1]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[0]; high = s->plane[plane].l_h[1]; output = s->plane[plane].subband[0]; dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2); if (s->bpc == 12) { output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) output[j] *= 4; output += output_stride * 2; } } /* level 2 */ lowpass_height = s->plane[plane].band[1][1].height; output_stride = s->plane[plane].band[1][1].a_width; lowpass_width = s->plane[plane].band[1][1].width; highpass_stride = s->plane[plane].band[1][1].stride; if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width || !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width || lowpass_width < 3 || lowpass_height < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].subband[0]; high = s->plane[plane].subband[5]; output = s->plane[plane].l_h[3]; dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[4]; high = s->plane[plane].subband[6]; output = s->plane[plane].l_h[4]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[3]; high = s->plane[plane].l_h[4]; output = s->plane[plane].subband[0]; dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2); output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) output[j] *= 4; output += output_stride * 2; } /* level 3 */ lowpass_height = s->plane[plane].band[2][1].height; output_stride = s->plane[plane].band[2][1].a_width; lowpass_width = s->plane[plane].band[2][1].width; highpass_stride = s->plane[plane].band[2][1].stride; if (lowpass_height > s->plane[plane].band[2][1].a_height || lowpass_width > s->plane[plane].band[2][1].a_width || !highpass_stride || s->plane[plane].band[2][1].width > s->plane[plane].band[2][1].a_width || lowpass_height < 3 || lowpass_width < 3 || lowpass_width * 2 > s->plane[plane].width) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); if (s->progressive) { low = s->plane[plane].subband[0]; high = s->plane[plane].subband[8]; output = s->plane[plane].l_h[6]; dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[7]; high = s->plane[plane].subband[9]; output = s->plane[plane].l_h[7]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); dst = (int16_t *)pic->data[act_plane]; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { if (plane & 1) dst++; if (plane > 1) dst += pic->linesize[act_plane] >> 1; } low = s->plane[plane].l_h[6]; high = s->plane[plane].l_h[7]; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 && (lowpass_height * 2 > avctx->coded_height / 2 || lowpass_width * 2 > avctx->coded_width / 2 ) ) { ret = AVERROR_INVALIDDATA; goto end; } for (i = 0; i < s->plane[act_plane].height; i++) { dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc); if (avctx->pix_fmt == AV_PIX_FMT_GBRAP12 && act_plane == 3) process_alpha(dst, lowpass_width * 2); low += output_stride; high += output_stride; dst += dst_linesize; } } else { av_log(avctx, AV_LOG_DEBUG, "interlaced frame ? %d", !!(pic->flags & AV_FRAME_FLAG_INTERLACED)); pic->flags |= AV_FRAME_FLAG_INTERLACED; low = s->plane[plane].subband[0]; high = s->plane[plane].subband[7]; output = s->plane[plane].l_h[6]; dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[8]; high = s->plane[plane].subband[9]; output = s->plane[plane].l_h[7]; dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); dst = (int16_t *)pic->data[act_plane]; low = s->plane[plane].l_h[6]; high = s->plane[plane].l_h[7]; for (i = 0; i < s->plane[act_plane].height / 2; i++) { interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane); low += output_stride * 2; high += output_stride * 2; dst += pic->linesize[act_plane]; } } } } else if (s->transform_type == 2 && (avctx->internal->is_copy || s->frame_index == 1 || s->sample_type != 1)) { for (plane = 0; plane < s->planes && !ret; plane++) { int lowpass_height = s->plane[plane].band[0][0].height; int output_stride = s->plane[plane].band[0][0].a_width; int lowpass_width = s->plane[plane].band[0][0].width; int highpass_stride = s->plane[plane].band[0][1].stride; int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane; int16_t *low, *high, *output, *dst; ptrdiff_t dst_linesize; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { act_plane = 0; dst_linesize = pic->linesize[act_plane]; } else { dst_linesize = pic->linesize[act_plane] / 2; } if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width || !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width || lowpass_width < 3 || lowpass_height < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].subband[0]; high = s->plane[plane].subband[2]; output = s->plane[plane].l_h[0]; dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[1]; high = s->plane[plane].subband[3]; output = s->plane[plane].l_h[1]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[0]; high = s->plane[plane].l_h[1]; output = s->plane[plane].l_h[7]; dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2); if (s->bpc == 12) { output = s->plane[plane].l_h[7]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) output[j] *= 4; output += output_stride * 2; } } lowpass_height = s->plane[plane].band[1][1].height; output_stride = s->plane[plane].band[1][1].a_width; lowpass_width = s->plane[plane].band[1][1].width; highpass_stride = s->plane[plane].band[1][1].stride; if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width || !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width || lowpass_width < 3 || lowpass_height < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } av_log(avctx, AV_LOG_DEBUG, "Level 2 lowpass plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); low = s->plane[plane].l_h[7]; high = s->plane[plane].subband[5]; output = s->plane[plane].l_h[3]; dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[4]; high = s->plane[plane].subband[6]; output = s->plane[plane].l_h[4]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[3]; high = s->plane[plane].l_h[4]; output = s->plane[plane].l_h[7]; dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2); output = s->plane[plane].l_h[7]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) output[j] *= 4; output += output_stride * 2; } low = s->plane[plane].subband[7]; high = s->plane[plane].subband[9]; output = s->plane[plane].l_h[3]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[8]; high = s->plane[plane].subband[10]; output = s->plane[plane].l_h[4]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[3]; high = s->plane[plane].l_h[4]; output = s->plane[plane].l_h[9]; dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2); lowpass_height = s->plane[plane].band[4][1].height; output_stride = s->plane[plane].band[4][1].a_width; lowpass_width = s->plane[plane].band[4][1].width; highpass_stride = s->plane[plane].band[4][1].stride; av_log(avctx, AV_LOG_DEBUG, "temporal level %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride); if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width || !highpass_stride || s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width || lowpass_width < 3 || lowpass_height < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } low = s->plane[plane].l_h[7]; high = s->plane[plane].l_h[9]; output = s->plane[plane].l_h[7]; for (i = 0; i < lowpass_height; i++) { inverse_temporal_filter(low, high, lowpass_width); low += output_stride; high += output_stride; } if (s->progressive) { low = s->plane[plane].l_h[7]; high = s->plane[plane].subband[15]; output = s->plane[plane].l_h[6]; dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[14]; high = s->plane[plane].subband[16]; output = s->plane[plane].l_h[7]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[9]; high = s->plane[plane].subband[12]; output = s->plane[plane].l_h[8]; dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[11]; high = s->plane[plane].subband[13]; output = s->plane[plane].l_h[9]; dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); if (s->sample_type == 1) continue; dst = (int16_t *)pic->data[act_plane]; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { if (plane & 1) dst++; if (plane > 1) dst += pic->linesize[act_plane] >> 1; } if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 && (lowpass_height * 2 > avctx->coded_height / 2 || lowpass_width * 2 > avctx->coded_width / 2 ) ) { ret = AVERROR_INVALIDDATA; goto end; } low = s->plane[plane].l_h[6]; high = s->plane[plane].l_h[7]; for (i = 0; i < s->plane[act_plane].height; i++) { dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc); low += output_stride; high += output_stride; dst += dst_linesize; } } else { pic->flags |= AV_FRAME_FLAG_INTERLACED; low = s->plane[plane].l_h[7]; high = s->plane[plane].subband[14]; output = s->plane[plane].l_h[6]; dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[15]; high = s->plane[plane].subband[16]; output = s->plane[plane].l_h[7]; dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].l_h[9]; high = s->plane[plane].subband[11]; output = s->plane[plane].l_h[8]; dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height); low = s->plane[plane].subband[12]; high = s->plane[plane].subband[13]; output = s->plane[plane].l_h[9]; dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height); if (s->sample_type == 1) continue; dst = (int16_t *)pic->data[act_plane]; low = s->plane[plane].l_h[6]; high = s->plane[plane].l_h[7]; for (i = 0; i < s->plane[act_plane].height / 2; i++) { interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane); low += output_stride * 2; high += output_stride * 2; dst += pic->linesize[act_plane]; } } } } if (s->transform_type == 2 && s->sample_type == 1) { int16_t *low, *high, *dst; int output_stride, lowpass_height, lowpass_width; ptrdiff_t dst_linesize; for (plane = 0; plane < s->planes; plane++) { int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { act_plane = 0; dst_linesize = pic->linesize[act_plane]; } else { dst_linesize = pic->linesize[act_plane] / 2; } lowpass_height = s->plane[plane].band[4][1].height; output_stride = s->plane[plane].band[4][1].a_width; lowpass_width = s->plane[plane].band[4][1].width; if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width || s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width || lowpass_width < 3 || lowpass_height < 3) { av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n"); ret = AVERROR(EINVAL); goto end; } if (s->progressive) { dst = (int16_t *)pic->data[act_plane]; low = s->plane[plane].l_h[8]; high = s->plane[plane].l_h[9]; if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) { if (plane & 1) dst++; if (plane > 1) dst += pic->linesize[act_plane] >> 1; } if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 && (lowpass_height * 2 > avctx->coded_height / 2 || lowpass_width * 2 > avctx->coded_width / 2 ) ) { ret = AVERROR_INVALIDDATA; goto end; } for (i = 0; i < s->plane[act_plane].height; i++) { dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc); low += output_stride; high += output_stride; dst += dst_linesize; } } else { dst = (int16_t *)pic->data[act_plane]; low = s->plane[plane].l_h[8]; high = s->plane[plane].l_h[9]; for (i = 0; i < s->plane[act_plane].height / 2; i++) { interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane); low += output_stride * 2; high += output_stride * 2; dst += pic->linesize[act_plane]; } } } } if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) process_bayer(pic, s->bpc); end: if (ret < 0) return ret; *got_frame = 1; return avpkt->size; } static av_cold int cfhd_close(AVCodecContext *avctx) { CFHDContext *s = avctx->priv_data; free_buffers(s); return 0; } #if HAVE_THREADS static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src) { CFHDContext *psrc = src->priv_data; CFHDContext *pdst = dst->priv_data; int ret; if (dst == src || psrc->transform_type == 0) return 0; if (pdst->plane[0].idwt_size != psrc->plane[0].idwt_size || pdst->a_format != psrc->a_format || pdst->a_width != psrc->a_width || pdst->a_height != psrc->a_height || pdst->a_transform_type != psrc->a_transform_type) free_buffers(pdst); pdst->a_format = psrc->a_format; pdst->a_width = psrc->a_width; pdst->a_height = psrc->a_height; pdst->a_transform_type = psrc->a_transform_type; pdst->transform_type = psrc->transform_type; pdst->progressive = psrc->progressive; pdst->planes = psrc->planes; if (!pdst->plane[0].idwt_buf) { pdst->coded_width = pdst->a_width; pdst->coded_height = pdst->a_height; pdst->coded_format = pdst->a_format; pdst->transform_type = pdst->a_transform_type; ret = alloc_buffers(dst); if (ret < 0) return ret; } for (int plane = 0; plane < pdst->planes; plane++) { memcpy(pdst->plane[plane].band, psrc->plane[plane].band, sizeof(pdst->plane[plane].band)); memcpy(pdst->plane[plane].idwt_buf, psrc->plane[plane].idwt_buf, pdst->plane[plane].idwt_size * sizeof(int16_t)); } return 0; } #endif const FFCodec ff_cfhd_decoder = { .p.name = "cfhd", CODEC_LONG_NAME("GoPro CineForm HD"), .p.type = AVMEDIA_TYPE_VIDEO, .p.id = AV_CODEC_ID_CFHD, .priv_data_size = sizeof(CFHDContext), .init = cfhd_init, .close = cfhd_close, FF_CODEC_DECODE_CB(cfhd_decode), UPDATE_THREAD_CONTEXT(update_thread_context), .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, };