/*
* Copyright (c) 2015-2016 Kieran Kunhya <kieran@kunhya.com>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
- * CFHD Video Decoder
+ * Cineform HD video decoder
*/
+ #include "libavutil/attributes.h"
#include "libavutil/buffer.h"
#include "libavutil/common.h"
- #include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
+ #include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avcodec.h"
- #include "internal.h"
-#include "bitstream.h"
#include "bytestream.h"
++#include "get_bits.h"
+ #include "internal.h"
#include "thread.h"
#include "cfhd.h"
- #define SUBBAND_COUNT 10
+ enum CFHDParam {
+ ChannelCount = 12,
+ SubbandCount = 14,
+ ImageWidth = 20,
+ ImageHeight = 21,
+ LowpassPrecision = 35,
+ SubbandNumber = 48,
+ Quantization = 53,
+ ChannelNumber = 62,
+ BitsPerComponent = 101,
+ ChannelWidth = 104,
+ ChannelHeight = 105,
+ PrescaleShift = 109,
+ };
- static av_cold int cfhd_decode_init(AVCodecContext *avctx)
+ static av_cold int cfhd_init(AVCodecContext *avctx)
{
CFHDContext *s = avctx->priv_data;
- memset(s, 0, sizeof(*s));
-
- s->avctx = avctx;
avctx->bits_per_raw_sample = 10;
+ s->avctx = avctx;
return ff_cfhd_init_vlcs(s);
}
static void init_frame_defaults(CFHDContext *s)
{
- s->coded_format = AV_PIX_FMT_YUV422P10;
s->coded_width = 0;
s->coded_height = 0;
- s->cropped_height = 0;
s->bpc = 10;
s->channel_cnt = 4;
- s->subband_cnt = 10;
+ s->subband_cnt = SUBBAND_COUNT;
s->channel_num = 0;
s->lowpass_precision = 16;
s->quantisation = 1;
- s->prescale_shift[0] = 0;
- s->prescale_shift[1] = 0;
- s->prescale_shift[2] = 0;
s->wavelet_depth = 3;
s->pshift = 1;
s->codebook = 0;
static inline int dequant_and_decompand(int level, int quantisation)
{
int64_t abslevel = abs(level);
- return (abslevel + ((768 * abslevel * abslevel * abslevel) / (255 * 255 * 255))) * FFSIGN(level) * quantisation;
+ return (abslevel + ((768 * abslevel * abslevel * abslevel) / (255 * 255 * 255))) *
+ FFSIGN(level) * quantisation;
}
- static inline void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride,
- int16_t *high, ptrdiff_t high_stride, int len, uint8_t clip)
+ static inline void filter(int16_t *output, ptrdiff_t out_stride,
+ int16_t *low, ptrdiff_t low_stride,
+ int16_t *high, ptrdiff_t high_stride,
+ int len, int clip)
{
int16_t tmp;
-
int i;
+
for (i = 0; i < len; i++) {
if (i == 0) {
- tmp = (11 * low[0 * low_stride] - 4 * low[1 * low_stride] + low[2 * low_stride] + 4) >> 3;
- output[(2 * i + 0) * out_stride] = (tmp + high[0 * high_stride]) >> 1;
- } else if (i == len - 1) {
- tmp = (5 * low[i * low_stride] + 4 * low[(i - 1) * low_stride] - low[(i - 2) * low_stride] + 4) >> 3;
- output[(2 * i + 0) * out_stride] = (tmp + high[i * high_stride]) >> 1;
- } else {
- tmp = (low[(i - 1) * low_stride] - low[(i + 1) * low_stride] + 4) >> 3;
- output[(2 * i + 0) * out_stride] = (tmp + low[i * low_stride] + high[i * high_stride]) >> 1;
- }
- if (clip)
- output[(2 * i + 0) * out_stride] = av_clip_uintp2_c(output[(2 * i + 0) * out_stride], clip);
-
- if (i == 0) {
- tmp = (5 * low[0 * low_stride] + 4 * low[1 * low_stride] - low[2 * low_stride] + 4) >> 3;
- output[(2 * i + 1) * out_stride] = (tmp - high[0 * high_stride]) >> 1;
- } else if (i == len - 1) {
- tmp = (11 * low[i * low_stride] - 4 * low[(i - 1) * low_stride] + low[(i - 2) * low_stride] + 4) >> 3;
- output[(2 * i + 1) * out_stride] = (tmp - high[i * high_stride]) >> 1;
+ tmp = (11*low[0*low_stride] - 4*low[1*low_stride] + low[2*low_stride] + 4) >> 3;
+ output[(2*i+0)*out_stride] = (tmp + high[0*high_stride]) >> 1;
+ if (clip)
+ output[(2*i+0)*out_stride] = av_clip_uintp2_c(output[(2*i+0)*out_stride], clip);
+
+ tmp = ( 5*low[0*low_stride] + 4*low[1*low_stride] - low[2*low_stride] + 4) >> 3;
+ output[(2*i+1)*out_stride] = (tmp - high[0*high_stride]) >> 1;
+ if (clip)
+ output[(2*i+1)*out_stride] = av_clip_uintp2_c(output[(2*i+1)*out_stride], clip);
+ } else if (i == len-1) {
+ tmp = ( 5*low[i*low_stride] + 4*low[(i-1)*low_stride] - low[(i-2)*low_stride] + 4) >> 3;
+ output[(2*i+0)*out_stride] = (tmp + high[i*high_stride]) >> 1;
+ if (clip)
+ output[(2*i+0)*out_stride] = av_clip_uintp2_c(output[(2*i+0)*out_stride], clip);
+
+ tmp = (11*low[i*low_stride] - 4*low[(i-1)*low_stride] + low[(i-2)*low_stride] + 4) >> 3;
+ output[(2*i+1)*out_stride] = (tmp - high[i*high_stride]) >> 1;
+ if (clip)
+ output[(2*i+1)*out_stride] = av_clip_uintp2_c(output[(2*i+1)*out_stride], clip);
} else {
- tmp = (low[(i + 1) * low_stride] - low[(i - 1) * low_stride] + 4) >> 3;
- output[(2 * i + 1) * out_stride] = (tmp + low[i * low_stride] - high[i * high_stride]) >> 1;
+ tmp = (low[(i-1)*low_stride] - low[(i+1)*low_stride] + 4) >> 3;
+ output[(2*i+0)*out_stride] = (tmp + low[i*low_stride] + high[i*high_stride]) >> 1;
+ if (clip)
+ output[(2*i+0)*out_stride] = av_clip_uintp2_c(output[(2*i+0)*out_stride], clip);
+
+ tmp = (low[(i+1)*low_stride] - low[(i-1)*low_stride] + 4) >> 3;
+ output[(2*i+1)*out_stride] = (tmp + low[i*low_stride] - high[i*high_stride]) >> 1;
+ if (clip)
+ output[(2*i+1)*out_stride] = av_clip_uintp2_c(output[(2*i+1)*out_stride], clip);
}
- if (clip)
- output[(2 * i + 1) * out_stride] = av_clip_uintp2_c(output[(2 * i + 1) * out_stride], clip);
}
}
- static void horiz_filter(int16_t *output, int16_t *low, int16_t *high, int width)
+ static void horiz_filter(int16_t *output, int16_t *low, int16_t *high,
+ int width)
{
filter(output, 1, low, 1, high, 1, width, 0);
}
- static void horiz_filter_clip(int16_t *output, int16_t *low, int16_t *high, int width, uint8_t clip)
+ static void horiz_filter_clip(int16_t *output, int16_t *low, int16_t *high,
+ int width, int clip)
{
filter(output, 1, low, 1, high, 1, width, clip);
}
- static void vert_filter(int16_t *output, int out_stride, int16_t *low, int low_stride,
- int16_t *high, int high_stride, int len)
+ static void vert_filter(int16_t *output, ptrdiff_t out_stride,
+ int16_t *low, ptrdiff_t low_stride,
+ int16_t *high, ptrdiff_t high_stride, int len)
{
filter(output, out_stride, low, low_stride, high, high_stride, len, 0);
}
- static void free_buffers(AVCodecContext *avctx)
+ static void free_buffers(CFHDContext *s)
{
- CFHDContext *s = avctx->priv_data;
- unsigned i;
+ int i, j;
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < FF_ARRAY_ELEMS(s->plane); i++) {
av_freep(&s->plane[i].idwt_buf);
av_freep(&s->plane[i].idwt_tmp);
+
+ for (j = 0; j < 9; j++)
+ s->plane[i].subband[j] = NULL;
+
+ for (j = 0; j < 8; j++)
+ s->plane[i].l_h[j] = NULL;
}
s->a_height = 0;
s->a_width = 0;
}
-static int alloc_buffers(CFHDContext *s)
+static int alloc_buffers(AVCodecContext *avctx)
{
- int i, j, k, ret, planes;
+ CFHDContext *s = avctx->priv_data;
+ int i, j, ret, planes;
+ int chroma_x_shift, chroma_y_shift;
+ unsigned k;
- avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_x_shift, &s->chroma_y_shift);
- planes = av_pix_fmt_count_planes(avctx->pix_fmt);
+ if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
+ return ret;
+ avctx->pix_fmt = s->coded_format;
+
+ 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);
for (i = 0; i < planes; i++) {
- int width = i ? avctx->width >> s->chroma_x_shift : avctx->width;
- int height = i ? avctx->height >> s->chroma_y_shift : avctx->height;
- int stride = FFALIGN(width / 8, 8) * 8;
int w8, h8, w4, h4, w2, h2;
- height = FFALIGN(height / 8, 2) * 8;
- s->plane[i].width = width;
- int width = i ? s->coded_width >> chroma_x_shift : s->coded_width;
- int height = i ? s->coded_height >> chroma_y_shift : s->coded_height;
++ int width = i ? avctx->width >> chroma_x_shift : avctx->width;
++ int height = i ? avctx->height >> chroma_y_shift : avctx->height;
+ ptrdiff_t stride = FFALIGN(width / 8, 8) * 8;
+ 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);
+ w8 = FFALIGN(s->plane[i].width / 8, 8);
h8 = FFALIGN(s->plane[i].height / 8, 2);
w4 = w8 * 2;
h4 = h8 * 2;
w2 = w4 * 2;
h2 = h4 * 2;
- s->plane[i].idwt_buf = av_mallocz_array(height * stride, sizeof(*s->plane[i].idwt_buf));
- s->plane[i].idwt_tmp = av_malloc_array(height * stride, sizeof(*s->plane[i].idwt_tmp));
- if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp) {
+ s->plane[i].idwt_buf =
- av_malloc_array(height * stride, sizeof(*s->plane[i].idwt_buf));
++ av_mallocz_array(height * stride, sizeof(*s->plane[i].idwt_buf));
+ s->plane[i].idwt_tmp =
+ av_malloc_array(height * stride, 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[9] = s->plane[i].idwt_buf + 3 * w2 * h2;
for (j = 0; j < DWT_LEVELS; j++) {
- for(k = 0; k < 4; k++) {
+ 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;
}
/* 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[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[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;
}
return 0;
}
-static int parse_tag(CFHDContext *s, GetByteContext *gb,
- int16_t *tag_, uint16_t *value, int *planes)
+static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
+ AVPacket *avpkt)
{
- /* Bit weird but implement the tag parsing as the spec says */
- uint16_t tagu = bytestream2_get_be16(gb);
- int16_t tag = tagu;
- int8_t tag8 = tagu >> 8;
- uint16_t abstag = abs(tag);
- int8_t abs_tag8 = abs(tag8);
- uint16_t data = bytestream2_get_be16(gb);
- *tag_ = tag;
- *value = data;
-
- if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6F) {
- av_log(s->avctx, AV_LOG_DEBUG, "large len %"PRIX16"\n",
- ((tagu & 0xFF) << 16) | data);
- return 0;
- } else if (abstag >= 0x4000 && abstag <= 0x40FF) {
- av_log(s->avctx, AV_LOG_DEBUG, "Small chunk length %"PRIu16" %s\n",
- data * 4, tag < 0 ? "optional" : "required");
- bytestream2_skipu(gb, data * 4);
- return 0;
- }
+ CFHDContext *s = avctx->priv_data;
+ GetByteContext gb;
+ ThreadFrame frame = { .f = data };
+ AVFrame *pic = data;
+ int ret = 0, i, j, planes, plane, got_buffer = 0;
+ int16_t *coeff_data;
- switch (tag) {
- case 1:
- av_log(s->avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data);
- break;
- case 2:
- {
- int i;
- av_log(s->avctx, AV_LOG_DEBUG,
- "tag=2 header - skipping %"PRIu16" tag/value pairs\n", data);
- if (data > bytestream2_get_bytes_left(gb) / 4) {
- av_log(s->avctx, AV_LOG_ERROR,
- "Too many tag/value pairs (%"PRIu16")\n", data);
- return AVERROR_INVALIDDATA;
- }
- for (i = 0; i < data; i++) {
- uint16_t tag2 = bytestream2_get_be16(gb);
- uint16_t val2 = bytestream2_get_be16(gb);
- av_log(s->avctx, AV_LOG_DEBUG, "Tag/Value = %"PRIX16" %"PRIX16"\n",
- tag2, val2);
- }
- break;
- }
- case 10:
- if (data != 0) {
- avpriv_report_missing_feature(s->avctx, "Transform type %"PRIu16, data);
- return AVERROR_PATCHWELCOME;
- }
- av_log(s->avctx, AV_LOG_DEBUG, "Transform-type? %"PRIu16"\n", data);
- break;
- case ChannelCount:
- av_log(s->avctx, AV_LOG_DEBUG, "Channel count: %"PRIu16"\n", data);
- if (data > 4) {
- avpriv_report_missing_feature(s->avctx, "Channel count %"PRIu16, data);
- return AVERROR_PATCHWELCOME;
- }
- s->channel_cnt = data;
- break;
- case SubbandCount:
- av_log(s->avctx, AV_LOG_DEBUG, "Subband count: %"PRIu16"\n", data);
- if (data != SUBBAND_COUNT) {
- avpriv_report_missing_feature(s->avctx, "Subband count %"PRIu16, data);
- return AVERROR_PATCHWELCOME;
- }
- break;
- case ImageWidth:
- av_log(s->avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
- s->coded_width = data;
- break;
- case ImageHeight:
- av_log(s->avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data);
- s->coded_height = data;
- break;
- case 23:
- avpriv_report_missing_feature(s->avctx, "Skip frame");
- return AVERROR_PATCHWELCOME;
- case 27:
- av_log(s->avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
- if (data < 2 || data > s->plane[s->channel_num].band[0][0].a_width) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
- return AVERROR_INVALIDDATA;
- }
- s->plane[s->channel_num].band[0][0].width = data;
- s->plane[s->channel_num].band[0][0].stride = data;
- break;
- case 28:
- av_log(s->avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
- if (data < 2 || data > s->plane[s->channel_num].band[0][0].a_height) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
- return AVERROR_INVALIDDATA;
- }
- s->plane[s->channel_num].band[0][0].height = data;
- break;
- case LowpassPrecision:
- av_log(s->avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data);
- break;
- case 41:
- case 49:
- av_log(s->avctx, AV_LOG_DEBUG,
- "Highpass width%s %"PRIu16" channel %i level %i subband %i\n",
- tag == 49 ? "2" : "", data,
- s->channel_num, s->level, s->subband_num);
- if (data < 2) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid highpass width%s\n", tag == 49 ? "2" : "");
- return AVERROR_INVALIDDATA;
- }
- 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);
- break;
- case 42:
- case 50:
- av_log(s->avctx, AV_LOG_DEBUG, "Highpass height%s %"PRIu16"\n", tag == 50 ? "2" : "", data);
- if (data < 2) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid highpass height%s\n", tag == 50 ? "2" : "");
- return AVERROR_INVALIDDATA;
- }
- s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
- break;
- case SubbandNumber:
- av_log(s->avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data);
- if (data > 3) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid subband number\n");
- return AVERROR_INVALIDDATA;
- }
- if (s->subband_num != 0 && data == 1) {
- if (s->level + 1 >= DWT_LEVELS) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid level\n");
- return AVERROR_INVALIDDATA;
- }
+ s->coded_format = AV_PIX_FMT_YUV422P10;
+ init_frame_defaults(s);
+ planes = av_pix_fmt_count_planes(s->coded_format);
- s->level++;
- }
- s->subband_num = data;
- break;
- case 51:
- av_log(s->avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data);
- if (data >= SUBBAND_COUNT) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
- return AVERROR_INVALIDDATA;
- }
- s->subband_num_actual = data;
- break;
- case Quantization:
- s->quantisation = data;
- av_log(s->avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data);
- break;
- case ChannelNumber:
- av_log(s->avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
- if (data >= *planes) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid channel number\n");
- return AVERROR_INVALIDDATA;
- }
- s->channel_num = data;
- init_plane_defaults(s);
- break;
- case 70:
- av_log(s->avctx, AV_LOG_DEBUG,
- "Subsampling or bit-depth flag? %"PRIu16"\n", data);
- if (!(data == 10 || data == 12)) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid bits per channel\n");
- return AVERROR_INVALIDDATA;
- }
- s->bpc = data;
- break;
- case 71:
- s->codebook = data;
- av_log(s->avctx, AV_LOG_DEBUG, "Codebook %i\n", s->codebook);
- break;
- case 72:
- s->codebook = data;
- av_log(s->avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook);
- break;
- case 84:
- av_log(s->avctx, AV_LOG_DEBUG, "Sample format? %"PRIu16"\n", data);
- switch (data) {
- case 1:
- s->coded_format = AV_PIX_FMT_YUV422P10;
- break;
- case 3:
- s->coded_format = AV_PIX_FMT_GBRP12;
- break;
- case 4:
- s->coded_format = AV_PIX_FMT_GBRAP12;
+ 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 == 20) {
++ } else if (tag == ImageWidth) {
+ av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
+ s->coded_width = data;
- } else if (tag == 21) {
++ } else if (tag == ImageHeight) {
+ av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data);
+ s->coded_height = data;
+ } else if (tag == 101) {
+ av_log(avctx, AV_LOG_DEBUG, "Bits per component: %"PRIu16"\n", data);
+ if (data < 1 || data > 31) {
+ av_log(avctx, AV_LOG_ERROR, "Bits per component %d is invalid\n", data);
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ s->bpc = data;
- } else if (tag == 12) {
++ } 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;
+ break;
+ }
- } else if (tag == 14) {
++ } else if (tag == SubbandCount) {
+ av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data);
+ if (data != SUBBAND_COUNT) {
+ av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data);
+ ret = AVERROR_PATCHWELCOME;
+ break;
+ }
- } else if (tag == 62) {
++ } else if (tag == ChannelNumber) {
+ s->channel_num = data;
+ av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
+ if (s->channel_num >= planes) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ init_plane_defaults(s);
- } else if (tag == 48) {
++ } else if (tag == SubbandNumber) {
+ if (s->subband_num != 0 && data == 1) // hack
+ s->level++;
+ av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data);
+ s->subband_num = data;
+ if (s->level >= DWT_LEVELS) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid level\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ if (s->subband_num > 3) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ } else if (tag == 51) {
+ av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data);
+ s->subband_num_actual = data;
+ if (s->subband_num_actual >= 10) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
- } else if (tag == 35)
++ } else if (tag == LowpassPrecision)
+ av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data);
- else if (tag == 53) {
++ else if (tag == Quantization) {
+ s->quantisation = data;
+ av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data);
- } else if (tag == 109) {
++ } else if (tag == PrescaleShift) {
+ s->prescale_shift[0] = (data >> 0) & 0x7;
+ s->prescale_shift[1] = (data >> 3) & 0x7;
+ s->prescale_shift[2] = (data >> 6) & 0x7;
+ av_log(avctx, AV_LOG_DEBUG, "Prescale shift (VC-5): %x\n", data);
+ } else if (tag == 27) {
+ av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
+ if (data < 3 || data > s->plane[s->channel_num].band[0][0].a_width) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ s->plane[s->channel_num].band[0][0].width = data;
+ s->plane[s->channel_num].band[0][0].stride = data;
+ } else if (tag == 28) {
+ av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
+ if (data < 3 || data > s->plane[s->channel_num].band[0][0].a_height) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ s->plane[s->channel_num].band[0][0].height = data;
+ } else if (tag == 1)
+ av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data);
+ else if (tag == 10) {
+ if (data != 0) {
+ avpriv_report_missing_feature(avctx, "Transform type of %"PRIu16, data);
+ ret = AVERROR_PATCHWELCOME;
+ break;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "Transform-type? %"PRIu16"\n", data);
+ } else if (abstag >= 0x4000 && abstag <= 0x40ff) {
+ 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 == 23) {
+ av_log(avctx, AV_LOG_DEBUG, "Skip frame\n");
+ avpriv_report_missing_feature(avctx, "Skip frame");
+ ret = AVERROR_PATCHWELCOME;
break;
- default:
- avpriv_report_missing_feature(s->avctx, "Sample format %"PRIu16, data);
- return AVERROR_PATCHWELCOME;
- }
- *planes = av_pix_fmt_count_planes(s->coded_format);
- break;
- case -85:
- av_log(s->avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data);
- s->cropped_height = data;
- break;
- case 101:
- av_log(s->avctx, AV_LOG_DEBUG, "Bits per component: %"PRIu16"\n", data);
- s->bpc = data;
- break;
- case PrescaleShift:
- s->prescale_shift[0] = (data >> 0) & 0x7;
- s->prescale_shift[1] = (data >> 3) & 0x7;
- s->prescale_shift[2] = (data >> 6) & 0x7;
- av_log(s->avctx, AV_LOG_DEBUG, "Prescale shift (VC-5): %"PRIX16"\n", data);
- break;
- default:
- av_log(s->avctx, AV_LOG_DEBUG, "Unknown tag %"PRIu16" data %"PRIX16"\n",
- tag, data);
- }
+ } else if (tag == 2) {
+ av_log(avctx, AV_LOG_DEBUG, "tag=2 header - skipping %i tag/value pairs\n", data);
+ if (data > bytestream2_get_bytes_left(&gb) / 4) {
+ av_log(avctx, AV_LOG_ERROR, "too many tag/value pairs (%d)\n", data);
+ ret = AVERROR_INVALIDDATA;
+ break;
+ }
+ for (i = 0; i < data; i++) {
+ uint16_t tag2 = bytestream2_get_be16(&gb);
+ uint16_t val2 = bytestream2_get_be16(&gb);
+ av_log(avctx, AV_LOG_DEBUG, "Tag/Value = %x %x\n", tag2, val2);
+ }
+ } else if (tag == 41) {
+ 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);
+ break;
+ }
+ 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 == 42) {
+ 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);
+ break;
+ }
+ s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
+ } else if (tag == 49) {
+ 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);
+ break;
+ }
+ 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 == 50) {
+ 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);
+ break;
+ }
+ s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
+ } else if (tag == 71) {
+ s->codebook = data;
+ av_log(avctx, AV_LOG_DEBUG, "Codebook %i\n", s->codebook);
+ } else if (tag == 72) {
+ s->codebook = data;
+ av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook);
+ } else if (tag == 70) {
+ av_log(avctx, AV_LOG_DEBUG, "Subsampling or bit-depth flag? %i\n", data);
+ if (!(data == 10 || data == 12)) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n");
+ ret = AVERROR(EINVAL);
+ break;
+ }
+ s->bpc = data;
+ } else if (tag == 84) {
+ av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data);
+ if (data == 1)
+ s->coded_format = AV_PIX_FMT_YUV422P10;
+ 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;
+ break;
+ }
+ planes = av_pix_fmt_count_planes(s->coded_format);
+ } else
+ av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
- return 0;
-}
+ /* Some kind of end of header tag */
+ if (tag == 4 && data == 0x1a4a && s->coded_width && s->coded_height &&
+ s->coded_format != AV_PIX_FMT_NONE) {
+ if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
+ s->a_format != s->coded_format) {
- free_buffers(avctx);
++ free_buffers(s);
+ if ((ret = alloc_buffers(avctx)) < 0) {
- free_buffers(avctx);
++ free_buffers(s);
+ return ret;
+ }
+ }
+ ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height);
+ if (ret < 0)
+ return ret;
+ frame.f->width =
+ frame.f->height = 0;
-static int read_lowpass_coeffs(CFHDContext *s, GetByteContext *gb,
- int16_t *coeff_data)
-{
- int i, j;
- 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 lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height;
- int lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width;
-
- if (lowpass_height > lowpass_a_height ||
- lowpass_width > lowpass_a_width ||
- lowpass_a_width * lowpass_a_height * sizeof(*coeff_data) > bytestream2_get_bytes_left(gb)) {
- av_log(s->avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n");
- return AVERROR_INVALIDDATA;
- }
+ if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
+ return ret;
- av_log(s->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);
+ s->coded_width = 0;
+ s->coded_height = 0;
+ s->coded_format = AV_PIX_FMT_NONE;
+ got_buffer = 1;
+ }
+ coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual];
- coeff_data += lowpass_width;
- }
+ /* Lowpass coefficients */
+ if (tag == 4 && data == 0xf0f && s->a_width && s->a_height) {
+ 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 lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height;
+ int lowpass_a_width = s->plane[s->channel_num].band[0][0].a_width;
+
+ if (!got_buffer) {
+ av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
- /* Align to mod-4 position to continue reading tags */
- bytestream2_seek(gb, bytestream2_tell(gb) & 3, SEEK_CUR);
+ if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width ||
+ lowpass_a_width * lowpass_a_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;
+ }
- /* Copy last coefficient line if height is odd. */
- if (lowpass_height & 1) {
- int16_t *last_line = &coeff_data[lowpass_height * lowpass_width];
- memcpy(last_line, &last_line[-lowpass_width],
- lowpass_width * sizeof(*coeff_data));
- }
+ 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);
- av_log(s->avctx, AV_LOG_DEBUG, "Lowpass coefficients %i\n",
- lowpass_width * lowpass_height);
+ coeff_data += lowpass_width;
+ }
- return 0;
-}
+ /* Align to mod-4 position to continue reading tags */
+ bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR);
-#define DECODE_SUBBAND_COEFFS(TABLE, COND) \
- while (1) { \
- int level, run, coeff; \
- BITSTREAM_RL_VLC(level, run, &s->bc, s->TABLE, VLC_BITS, 3); \
- \
- /* escape */ \
- if (COND) \
- break; \
- \
- count += run; \
- \
- if (count > expected) { \
- av_log(s->avctx, AV_LOG_ERROR, "Escape codeword not found, " \
- "probably corrupt data\n"); \
- return AVERROR_INVALIDDATA; \
- } \
- \
- coeff = dequant_and_decompand(level, s->quantisation); \
- for (i = 0; i < run; i++) \
- *coeff_data++ = coeff; \
- } \
-
-static int read_highpass_coeffs(CFHDContext *s, GetByteContext *gb,
- int16_t *coeff_data)
-{
- int i, ret;
- int highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height;
- int highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width;
- int highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width;
- int highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height;
- ptrdiff_t highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride;
- int expected = highpass_height * highpass_stride;
- int a_expected = highpass_a_height * highpass_a_width;
- int count = 0;
- unsigned bytes;
-
- if (highpass_height > highpass_a_height ||
- highpass_width > highpass_a_width ||
- a_expected < expected) {
- av_log(s->avctx, AV_LOG_ERROR, "Too many highpass coefficients\n");
- return AVERROR_INVALIDDATA;
- }
+ /* 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));
+ }
- av_log(s->avctx, AV_LOG_DEBUG,
- "Start subband coeffs plane %i level %i codebook %i expected %i\n",
- s->channel_num, s->level, s->codebook, expected);
+ av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height);
+ }
- if ((ret = bitstream_init8(&s->bc, gb->buffer,
- bytestream2_get_bytes_left(gb))) < 0)
- return ret;
- if (!s->codebook) {
- DECODE_SUBBAND_COEFFS(table_9_rl_vlc, level == 64)
- } else {
- DECODE_SUBBAND_COEFFS(table_18_rl_vlc, level == 255 && run == 2)
- }
+ if (tag == 55 && s->subband_num_actual != 255 && s->a_width && s->a_height) {
+ int highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height;
+ int highpass_width = s->plane[s->channel_num].band[s->level][s->subband_num].width;
+ int highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width;
+ int highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height;
+ int highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride;
+ int expected;
+ int a_expected = highpass_a_height * highpass_a_width;
+ int level, run, coeff;
+ int count = 0, bytes;
+
+ if (!got_buffer) {
+ av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
- bytes = FFALIGN(AV_CEIL_RSHIFT(bitstream_tell(&s->bc), 3), 4);
- if (bytes > bytestream2_get_bytes_left(gb)) {
- av_log(s->avctx, AV_LOG_ERROR, "Bitstream overread error\n");
- return AVERROR_INVALIDDATA;
- } else
- bytestream2_seek(gb, bytes, SEEK_CUR);
-
- av_log(s->avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n",
- count, count - expected);
- s->codebook = 0;
-
- /* Copy last coefficient line if height is odd. */
- if (highpass_height & 1) {
- int16_t *last_line = &coeff_data[expected];
- memcpy(last_line, &last_line[-highpass_stride],
- highpass_stride * sizeof(*coeff_data));
- }
+ 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);
+
+ init_get_bits(&s->gb, gb.buffer, bytestream2_get_bytes_left(&gb) * 8);
+ {
+ OPEN_READER(re, &s->gb);
+ 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 (level == 64)
+ break;
+
+ count += run;
+
+ if (count > expected)
+ break;
+
+ coeff = dequant_and_decompand(level, s->quantisation);
+ 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 (level == 255 && run == 2)
+ break;
+
+ count += run;
+
+ if (count > expected)
+ break;
+
+ coeff = dequant_and_decompand(level, s->quantisation);
+ for (i = 0; i < run; i++)
+ *coeff_data++ = coeff;
+ }
+ }
+ CLOSE_READER(re, &s->gb);
+ }
- return 0;
-}
+ if (count > expected) {
+ av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
-static int reconstruct_level(CFHDContext *s, AVFrame *pic, int plane, int level)
-{
- int i, j, idx = level - 1, idx2 = level > 1 ? 1 : 0;
- int16_t *low, *high, *output, *dst;
- int lowpass_height = s->plane[plane].band[idx][idx2].height;
- int lowpass_width = s->plane[plane].band[idx][idx2].width;
- ptrdiff_t highpass_stride = s->plane[plane].band[idx][1].stride;
-
- if (lowpass_height > s->plane[plane].band[idx][idx2].a_height ||
- lowpass_width > s->plane[plane].band[idx][idx2].a_width ||
- s->plane[plane].band[idx][1].width > s->plane[plane].band[idx][1].a_width ||
- !highpass_stride) {
- av_log(s->avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
- return AVERROR_INVALIDDATA;
+ bytes = FFALIGN(FF_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->codebook = 0;
+
+ /* Copy last line of coefficients if odd height */
+ if (highpass_height & 1) {
+ memcpy(&coeff_data[highpass_height * highpass_stride],
+ &coeff_data[(highpass_height - 1) * highpass_stride],
+ highpass_stride * sizeof(*coeff_data));
+ }
+ }
}
- av_log(s->avctx, AV_LOG_DEBUG, "Level %d plane %i %i %i %ti\n",
- level, plane, lowpass_height, lowpass_width, highpass_stride);
-
- low = s->plane[plane].subband[0];
- high = s->plane[plane].subband[2 + 3 * idx];
- output = s->plane[plane].l_h[3 * idx];
- for (i = 0; i < lowpass_width; i++) {
- vert_filter(output, lowpass_width, low, lowpass_width, high,
- highpass_stride, lowpass_height);
- low++;
- high++;
- output++;
+ if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE ||
+ 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;
}
- low = s->plane[plane].subband[1 + 3 * idx];
- high = s->plane[plane].subband[3 + 3 * idx];
- output = s->plane[plane].l_h[1 + 3 * idx];
- for (i = 0; i < lowpass_width; i++) {
- // note the stride of "low" is highpass_stride
- vert_filter(output, lowpass_width, low, highpass_stride, high,
- highpass_stride, lowpass_height);
- low++;
- high++;
- output++;
+ if (!got_buffer) {
+ av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
+ ret = AVERROR(EINVAL);
+ goto end;
}
- low = s->plane[plane].l_h[0 + 3 * idx];
- high = s->plane[plane].l_h[1 + 3 * idx];
+ planes = av_pix_fmt_count_planes(avctx->pix_fmt);
+ for (plane = 0; plane < planes && !ret; plane++) {
+ /* level 1 */
+ int lowpass_height = s->plane[plane].band[0][0].height;
+ 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;
+
+ 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) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
- if (level != 3) {
+ 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];
+ for (i = 0; i < lowpass_width; i++) {
+ vert_filter(output, lowpass_width, low, lowpass_width, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
+ }
+
+ low = s->plane[plane].subband[1];
+ high = s->plane[plane].subband[3];
+ output = s->plane[plane].l_h[1];
+
+ for (i = 0; i < lowpass_width; i++) {
+ // note the stride of "low" is highpass_stride
+ vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
+ }
+
+ low = s->plane[plane].l_h[0];
+ high = s->plane[plane].l_h[1];
output = s->plane[plane].subband[0];
for (i = 0; i < lowpass_height * 2; i++) {
horiz_filter(output, low, high, lowpass_width);
high += lowpass_width;
output += lowpass_width * 2;
}
- if (s->bpc == 12 || level == 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] <<= 2;
+ output[j] *= 4;
output += lowpass_width * 2;
}
}
- } else {
- int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
- dst = (int16_t *)pic->data[act_plane];
- for (i = 0; i < lowpass_height * 2; i++) {
- horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
- low += lowpass_width;
- high += lowpass_width;
- dst += pic->linesize[act_plane] / 2;
- }
- }
-
- return 0;
-}
-
-static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
- AVPacket *avpkt)
-{
- CFHDContext *s = avctx->priv_data;
- GetByteContext gb;
- ThreadFrame frame = { .f = data };
- int ret = 0, planes, plane;
- int16_t tag;
- uint16_t value;
-
- init_frame_defaults(s);
- planes = av_pix_fmt_count_planes(s->coded_format);
- bytestream2_init(&gb, avpkt->data, avpkt->size);
+ /* level 2 */
+ lowpass_height = s->plane[plane].band[1][1].height;
+ 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) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
- while (bytestream2_get_bytes_left(&gb) > 4) {
- if ((ret = parse_tag(s, &gb, &tag, &value, &planes)) < 0)
- return ret;
+ av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
- /* Some kind of end of header tag */
- if (tag == 4 && value == 0x1A4A)
- break;
- }
+ low = s->plane[plane].subband[0];
+ high = s->plane[plane].subband[5];
+ output = s->plane[plane].l_h[3];
+ for (i = 0; i < lowpass_width; i++) {
+ vert_filter(output, lowpass_width, low, lowpass_width, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
+ }
- if (s->coded_width <= 0 || s->coded_height <= 0 || s->coded_format == AV_PIX_FMT_NONE) {
- av_log(avctx, AV_LOG_ERROR, "Video dimensions/format missing or invalid\n");
- return AVERROR_INVALIDDATA;
- }
+ low = s->plane[plane].subband[4];
+ high = s->plane[plane].subband[6];
+ output = s->plane[plane].l_h[4];
+ for (i = 0; i < lowpass_width; i++) {
+ vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
+ }
- ret = ff_set_dimensions(s->avctx, s->coded_width, s->coded_height);
- if (ret < 0)
- return ret;
- if (s->cropped_height)
- s->avctx->height = s->cropped_height;
+ low = s->plane[plane].l_h[3];
+ high = s->plane[plane].l_h[4];
+ output = s->plane[plane].subband[0];
+ for (i = 0; i < lowpass_height * 2; i++) {
+ horiz_filter(output, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ output += lowpass_width * 2;
+ }
- s->avctx->pix_fmt = s->coded_format;
+ 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;
- if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
- s->a_format != s->coded_format) {
- free_buffers(s);
- if ((ret = alloc_buffers(s)) < 0) {
- free_buffers(s);
- return ret;
+ output += lowpass_width * 2;
}
- }
- if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
- return ret;
-
- s->coded_width = 0;
- s->coded_height = 0;
- s->coded_format = AV_PIX_FMT_NONE;
+ /* level 3 */
+ lowpass_height = s->plane[plane].band[2][1].height;
+ 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) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
- while (bytestream2_get_bytes_left(&gb) > 4) {
- int16_t *coeff_data;
+ av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
- if ((ret = parse_tag(s, &gb, &tag, &value, &planes)) < 0)
- return ret;
+ low = s->plane[plane].subband[0];
+ high = s->plane[plane].subband[8];
+ output = s->plane[plane].l_h[6];
+ for (i = 0; i < lowpass_width; i++) {
+ vert_filter(output, lowpass_width, low, lowpass_width, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
+ }
- coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual];
- if (tag == 4 && value == 0x0F0F) {
- if ((ret = read_lowpass_coeffs(s, &gb, coeff_data)) < 0)
- return ret;
- } else if (tag == 55 && s->subband_num_actual != 255) {
- if ((ret = read_highpass_coeffs(s, &gb, coeff_data)) < 0)
- return ret;
+ low = s->plane[plane].subband[7];
+ high = s->plane[plane].subband[9];
+ output = s->plane[plane].l_h[7];
+ for (i = 0; i < lowpass_width; i++) {
+ vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
}
- }
- if (s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE) {
- av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n");
- return AVERROR_INVALIDDATA;
+ 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 < lowpass_height * 2; i++) {
+ horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
+ low += lowpass_width;
+ high += lowpass_width;
+ dst += pic->linesize[act_plane] / 2;
+ }
}
- planes = av_pix_fmt_count_planes(avctx->pix_fmt);
- for (plane = 0; plane < planes; plane++) {
- /* level 1 */
- if ((ret = reconstruct_level(s, data, plane, 1)) < 0)
- return ret;
-
- /* level 2 */
- if ((ret = reconstruct_level(s, data, plane, 2)) < 0)
- return ret;
- /* level 3 */
- if ((ret = reconstruct_level(s, data, plane, 3)) < 0)
- return ret;
- }
+end:
+ if (ret < 0)
+ return ret;
*got_frame = 1;
return avpkt->size;
}
- static av_cold int cfhd_close_decoder(AVCodecContext *avctx)
+ static av_cold int cfhd_close(AVCodecContext *avctx)
{
CFHDContext *s = avctx->priv_data;
- free_buffers(avctx);
+ free_buffers(s);
- ff_free_vlc(&s->vlc_9);
- ff_free_vlc(&s->vlc_18);
+ if (!avctx->internal->is_copy) {
+ ff_free_vlc(&s->vlc_9);
+ ff_free_vlc(&s->vlc_18);
+ }
return 0;
}
AVCodec ff_cfhd_decoder = {
- .name = "cfhd",
- .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_CFHD,
- .priv_data_size = sizeof(CFHDContext),
- .init = cfhd_decode_init,
- .close = cfhd_close_decoder,
- .decode = cfhd_decode,
- .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
- .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
+ .name = "cfhd",
+ .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_CFHD,
+ .priv_data_size = sizeof(CFHDContext),
+ .init = cfhd_init,
- .init_thread_copy = ONLY_IF_THREADS_ENABLED(cfhd_init),
+ .close = cfhd_close,
+ .decode = cfhd_decode,
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
};
/*
* Copyright (c) 2015 Kieran Kunhya
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
- #include "stdint.h"
+ #include <stdint.h>
+
+ #include "libavutil/attributes.h"
+
#include "cfhd.h"
+/* some special codewords, not sure what they all mean */
+#define TABLE_9_BAND_END1 0x1C7859Eh
+#define TABLE_9_BAND_END_LEN1 25
+#define TABLE_9_BAND_END2 0x38F0B3Fh
+#define TABLE_9_BAND_END_LEN2 26
+#define TABLE_9_BAND_END3 0x38F0B3Eh
+#define TABLE_9_BAND_END_LEN3 26
+
+ #define NB_VLC_TABLE_9 (71 + 3)
+ #define NB_VLC_TABLE_18 (263 + 1)
+
+ static const uint32_t table_9_vlc_bits[NB_VLC_TABLE_9] = {
+ 0, 0x2, 0xc, 0x1a,
+ 0x1d, 0x1e, 0x39, 0x3e,
+ 0x37, 0x7e, 0x6c, 0xe2,
+ 0xfe, 0xdb, 0xe0, 0x1c3,
+ 0x1c6, 0x1ff, 0x1fe, 0x1b5,
+ 0x369, 0x385, 0x71d, 0x6d0,
+ 0x708, 0x71f, 0xe3d, 0xe39,
+ 0xe13, 0xe12, 0x1c71, 0x1b45,
+ 0x1b47, 0x3689, 0x38f2, 0x38e1,
+ 0x38e0, 0x38f1, 0x3688, 0x6d1b,
+ 0x71e0, 0x6d19, 0x71e7, 0xe3cd,
+ 0xda35, 0xda30, 0xe3c3, 0x1b469,
+ 0x1b462, 0x1c798, 0x1b463, 0x1c799,
+ 0x38f08, 0x38f09, 0x38f0a, 0x6d1a0,
+ 0x6d1a3, 0x6d1a1, 0xda345, 0xda344,
+ 0xe3c2d, 0xe3c2f, 0xe3c2e, 0x38f0b2,
+ 0x71e160, 0x71e162, 0x71e166, 0x71e161,
+ 0xe3c2ce, 0xe3c2c6, 0xe3c2c7, 0x1C7859E,
+ 0x38F0B3F, 0x38F0B3E,
+ };
+
static const uint8_t table_9_vlc_len[NB_VLC_TABLE_9] = {
1, 2, 4, 5, 5, 5, 6, 6,
6, 7, 7, 8, 8, 8, 8, 9,
26, 26,
};
- static const uint32_t table_9_vlc_bits[NB_VLC_TABLE_9] = {
- 0, 0x2, 0xc, 0x1a, 0x1d, 0x1e, 0x39, 0x3e,
- 0x37, 0x7e, 0x6c, 0xe2, 0xfe, 0xdb, 0xe0, 0x1c3,
- 0x1c6, 0x1ff, 0x1fe, 0x1b5, 0x369, 0x385, 0x71d, 0x6d0,
- 0x708, 0x71f, 0xe3d, 0xe39, 0xe13, 0xe12, 0x1c71, 0x1b45,
- 0x1b47, 0x3689, 0x38f2, 0x38e1, 0x38e0, 0x38f1, 0x3688, 0x6d1b,
- 0x71e0, 0x6d19, 0x71e7, 0xe3cd, 0xda35, 0xda30, 0xe3c3, 0x1b469,
- 0x1b462, 0x1c798, 0x1b463, 0x1c799, 0x38f08, 0x38f09, 0x38f0a, 0x6d1a0,
- 0x6d1a3, 0x6d1a1, 0xda345, 0xda344, 0xe3c2d, 0xe3c2f, 0xe3c2e, 0x38f0b2,
- 0x71e160, 0x71e162, 0x71e166, 0x71e161, 0xe3c2ce, 0xe3c2c6, 0xe3c2c7, 0x1C7859E,
- 0x38F0B3F, 0x38F0B3E,
- };
-
static const uint16_t table_9_vlc_run[NB_VLC_TABLE_9] = {
1, 1, 1, 1, 12, 1, 32, 160,
1, 1, 1, 320, 1, 1, 80, 120,
};
static const uint32_t table_18_vlc_bits[NB_VLC_TABLE_18] = {
- 0, 0x2, 0x7, 0x19, 0x30, 0x36, 0x6f, 0x63,
- 0x69, 0x6b, 0xd1, 0xd4, 0xdc, 0x189, 0x18a, 0x1a0,
- 0x1ab, 0x377, 0x310, 0x316, 0x343, 0x354, 0x375, 0x623,
- 0x684, 0x685, 0x6ab, 0x6ec, 0xddb, 0xc5c, 0xc5e, 0xc44,
- 0xd55, 0xdd1, 0xdd3, 0x1bb5, 0x188b, 0x18bb, 0x18bf, 0x1aa8,
- 0x1ba0, 0x1ba5, 0x1ba4, 0x3115, 0x3175, 0x317d, 0x3553, 0x3768,
- 0x6e87, 0x6ed3, 0x62e8, 0x62f8, 0x6228, 0x6aa4, 0x6e85, 0xc453,
- 0xc5d3, 0xc5f3, 0xdda4, 0xdd08, 0xdd0c, 0x1bb4b, 0x1bb4a, 0x18ba5,
- 0x18be5, 0x1aa95, 0x1aa97, 0x188a4, 0x1ba13, 0x31748, 0x317c8, 0x35528,
- 0x3552c, 0x37424, 0x37434, 0x37436, 0x62294, 0x62e92, 0x62f92, 0x6aa52,
- 0x6aa5a, 0x6e86a, 0x6e86e, 0x6e84a, 0xc452a, 0xc5d27, 0xc5f26, 0xd54a6,
- 0xd54b6, 0xdd096, 0xdd0d6, 0xdd0de, 0x188a56, 0x18ba4d, 0x18be4e, 0x18be4f,
- 0x1aa96e, 0x1ba12e, 0x1ba12f, 0x1ba1af, 0x1ba1bf, 0x37435d, 0x37437d, 0x317498,
- 0x35529c, 0x35529d, 0x3552de, 0x3552df, 0x62e933, 0x62295d, 0x6aa53d, 0x6aa53f,
- 0x6aa53e, 0x6e86b9, 0x6e86f8, 0xd54a79, 0xc5d265, 0xc452b8, 0xdd0d71, 0xd54a78,
- 0xdd0d70, 0xdd0df2, 0xdd0df3, 0x188a5f6, 0x188a5f5, 0x188a5f4, 0x188a5f3, 0x188a5f2,
- 0x188a5f1, 0x188a5f0, 0x188a5ef, 0x188a5ee, 0x188a5ed, 0x188a5aa, 0x188a5e3, 0x188a5df,
- 0x188a589, 0x188a5dd, 0x188a578, 0x188a5e0, 0x188a588, 0x188a5d6, 0x188a5db, 0x188a5e1,
- 0x188a587, 0x188a59a, 0x188a5c4, 0x188a5ec, 0x188a586, 0x188a573, 0x188a59c, 0x188a5c8,
- 0x188a5fb, 0x188a5a1, 0x188a5eb, 0x188a5a8, 0x188a584, 0x188a5d2, 0x188a599, 0x188a598,
- 0x188a583, 0x18ba4c9, 0x188a5d0, 0x188a594, 0x188a582, 0x188a5cb, 0x188a5d8, 0x188a5e7,
- 0x188a581, 0x188a5ea, 0x188a5a9, 0x188a5a6, 0x188a580, 0x188a5a0, 0x188a59d, 0x188a5c3,
- 0x188a57f, 0x188a5c0, 0x188a5de, 0x188a5d4, 0x188a57e, 0x188a5c2, 0x188a592, 0x188a5cd,
- 0x188a57d, 0x188a5a3, 0x188a5e8, 0x188a5a2, 0x188a57c, 0x188a58e, 0x188a5b3, 0x188a5b2,
- 0x188a5b1, 0x188a5b0, 0x188a5af, 0x188a5ae, 0x188a5ad, 0x188a5ac, 0x188a5ab, 0x188a5da,
- 0x188a5e4, 0x188a5e5, 0x188a5d9, 0x188a5b5, 0x188a5bc, 0x188a5bd, 0x188a5e9, 0x188a5cc,
- 0x188a585, 0x188a5d3, 0x188a5e2, 0x188a595, 0x188a596, 0x188a5b8, 0x188a590, 0x188a5c9,
- 0x188a5a4, 0x188a5e6, 0x188a5a5, 0x188a5ce, 0x188a5bf, 0x188a572, 0x188a59b, 0x188a5be,
- 0x188a5c7, 0x188a5ca, 0x188a5d5, 0x188a57b, 0x188a58d, 0x188a58c, 0x188a58b, 0x188a58a,
- 0x18ba4c8, 0x188a5c5, 0x188a5fa, 0x188a5bb, 0x188a5c1, 0x188a5cf, 0x188a5b9, 0x188a5b6,
- 0x188a597, 0x188a5fe, 0x188a5d7, 0x188a5ba, 0x188a591, 0x188a5c6, 0x188a5dc, 0x188a57a,
- 0x188a59f, 0x188a5f9, 0x188a5b4, 0x188a5a7, 0x188a58f, 0x188a5fd, 0x188a5b7, 0x188a593,
- 0x188a59e, 0x188a5f8, 0x188a5ff, 0x188a5fc, 0x188a579, 0x188a5f7, 0x3114ba2, 0x3114ba3,
+ 0, 0x2, 0x7, 0x19,
+ 0x30, 0x36, 0x6f, 0x63,
+ 0x69, 0x6b, 0xd1, 0xd4,
+ 0xdc, 0x189, 0x18a, 0x1a0,
+ 0x1ab, 0x377, 0x310, 0x316,
+ 0x343, 0x354, 0x375, 0x623,
+ 0x684, 0x685, 0x6ab, 0x6ec,
+ 0xddb, 0xc5c, 0xc5e, 0xc44,
+ 0xd55, 0xdd1, 0xdd3, 0x1bb5,
+ 0x188b, 0x18bb, 0x18bf, 0x1aa8,
+ 0x1ba0, 0x1ba5, 0x1ba4, 0x3115,
+ 0x3175, 0x317d, 0x3553, 0x3768,
+ 0x6e87, 0x6ed3, 0x62e8, 0x62f8,
+ 0x6228, 0x6aa4, 0x6e85, 0xc453,
+ 0xc5d3, 0xc5f3, 0xdda4, 0xdd08,
+ 0xdd0c, 0x1bb4b, 0x1bb4a, 0x18ba5,
+ 0x18be5, 0x1aa95, 0x1aa97, 0x188a4,
+ 0x1ba13, 0x31748, 0x317c8, 0x35528,
+ 0x3552c, 0x37424, 0x37434, 0x37436,
+ 0x62294, 0x62e92, 0x62f92, 0x6aa52,
+ 0x6aa5a, 0x6e86a, 0x6e86e, 0x6e84a,
+ 0xc452a, 0xc5d27, 0xc5f26, 0xd54a6,
+ 0xd54b6, 0xdd096, 0xdd0d6, 0xdd0de,
+ 0x188a56, 0x18ba4d, 0x18be4e, 0x18be4f,
+ 0x1aa96e, 0x1ba12e, 0x1ba12f, 0x1ba1af,
+ 0x1ba1bf, 0x37435d, 0x37437d, 0x317498,
+ 0x35529c, 0x35529d, 0x3552de, 0x3552df,
+ 0x62e933, 0x62295d, 0x6aa53d, 0x6aa53f,
+ 0x6aa53e, 0x6e86b9, 0x6e86f8, 0xd54a79,
+ 0xc5d265, 0xc452b8, 0xdd0d71, 0xd54a78,
+ 0xdd0d70, 0xdd0df2, 0xdd0df3, 0x188a5f6,
+ 0x188a5f5, 0x188a5f4, 0x188a5f3, 0x188a5f2,
+ 0x188a5f1, 0x188a5f0, 0x188a5ef, 0x188a5ee,
+ 0x188a5ed, 0x188a5aa, 0x188a5e3, 0x188a5df,
+ 0x188a589, 0x188a5dd, 0x188a578, 0x188a5e0,
+ 0x188a588, 0x188a5d6, 0x188a5db, 0x188a5e1,
+ 0x188a587, 0x188a59a, 0x188a5c4, 0x188a5ec,
+ 0x188a586, 0x188a573, 0x188a59c, 0x188a5c8,
+ 0x188a5fb, 0x188a5a1, 0x188a5eb, 0x188a5a8,
+ 0x188a584, 0x188a5d2, 0x188a599, 0x188a598,
+ 0x188a583, 0x18ba4c9, 0x188a5d0, 0x188a594,
+ 0x188a582, 0x188a5cb, 0x188a5d8, 0x188a5e7,
+ 0x188a581, 0x188a5ea, 0x188a5a9, 0x188a5a6,
+ 0x188a580, 0x188a5a0, 0x188a59d, 0x188a5c3,
+ 0x188a57f, 0x188a5c0, 0x188a5de, 0x188a5d4,
+ 0x188a57e, 0x188a5c2, 0x188a592, 0x188a5cd,
+ 0x188a57d, 0x188a5a3, 0x188a5e8, 0x188a5a2,
+ 0x188a57c, 0x188a58e, 0x188a5b3, 0x188a5b2,
+ 0x188a5b1, 0x188a5b0, 0x188a5af, 0x188a5ae,
+ 0x188a5ad, 0x188a5ac, 0x188a5ab, 0x188a5da,
+ 0x188a5e4, 0x188a5e5, 0x188a5d9, 0x188a5b5,
+ 0x188a5bc, 0x188a5bd, 0x188a5e9, 0x188a5cc,
+ 0x188a585, 0x188a5d3, 0x188a5e2, 0x188a595,
+ 0x188a596, 0x188a5b8, 0x188a590, 0x188a5c9,
+ 0x188a5a4, 0x188a5e6, 0x188a5a5, 0x188a5ce,
+ 0x188a5bf, 0x188a572, 0x188a59b, 0x188a5be,
+ 0x188a5c7, 0x188a5ca, 0x188a5d5, 0x188a57b,
+ 0x188a58d, 0x188a58c, 0x188a58b, 0x188a58a,
+ 0x18ba4c8, 0x188a5c5, 0x188a5fa, 0x188a5bb,
+ 0x188a5c1, 0x188a5cf, 0x188a5b9, 0x188a5b6,
+ 0x188a597, 0x188a5fe, 0x188a5d7, 0x188a5ba,
+ 0x188a591, 0x188a5c6, 0x188a5dc, 0x188a57a,
+ 0x188a59f, 0x188a5f9, 0x188a5b4, 0x188a5a7,
+ 0x188a58f, 0x188a5fd, 0x188a5b7, 0x188a593,
+ 0x188a59e, 0x188a5f8, 0x188a5ff, 0x188a5fc,
+ 0x188a579, 0x188a5f7, 0x3114ba2, 0x3114ba3,
};
static const uint8_t table_18_vlc_len[NB_VLC_TABLE_18] = {
};
static const uint16_t table_18_vlc_run[NB_VLC_TABLE_18] = {
- 1, 1, 1, 1, 1, 1, 1, 1,
- 12, 1, 20, 1, 1, 1, 32, 1,
- 1, 1, 1, 1, 60, 1, 1, 1,
- 1, 100, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 180, 1,
- 1, 320, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 12, 1, 20, 1, 1, 1, 32, 1,
+ 1, 1, 1, 1, 60, 1, 1, 1,
+ 1, 100, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 180, 1,
+ 1, 320, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 2,
};
static const uint8_t table_18_vlc_level[NB_VLC_TABLE_18] = {
220, 195, 161, 231, 173, 226, 116, 255,
};
-static int init_vlc_signed(VLC *vlc, CFHD_RL_VLC_ELEM table_rl_vlc[],
- unsigned bound,
- const uint32_t table_vlc_bits[],
- const uint8_t table_vlc_len[],
- const uint16_t table_vlc_run[],
- const uint8_t table_vlc_level[])
+av_cold int ff_cfhd_init_vlcs(CFHDContext *s)
{
- uint32_t vlc_bits[NB_VLC_TABLE_18 * 2];
- uint8_t vlc_len[NB_VLC_TABLE_18 * 2];
- uint16_t vlc_run[NB_VLC_TABLE_18 * 2];
- int16_t vlc_level[NB_VLC_TABLE_18 * 2];
- unsigned i, j;
- int ret;
+ int i, j, ret = 0;
+ uint32_t new_cfhd_vlc_bits[NB_VLC_TABLE_18 * 2];
+ uint8_t new_cfhd_vlc_len[NB_VLC_TABLE_18 * 2];
+ uint16_t new_cfhd_vlc_run[NB_VLC_TABLE_18 * 2];
+ int16_t new_cfhd_vlc_level[NB_VLC_TABLE_18 * 2];
+
+ /** Similar to dv.c, generate signed VLC tables **/
- for (i = 0, j = 0; i < bound; i++, j++) {
- vlc_bits[j] = table_vlc_bits[i];
- vlc_len[j] = table_vlc_len[i];
- vlc_run[j] = table_vlc_run[i];
- vlc_level[j] = table_vlc_level[i];
+ /* Table 9 */
+ for (i = 0, j = 0; i < NB_VLC_TABLE_9; i++, j++) {
+ new_cfhd_vlc_bits[j] = table_9_vlc_bits[i];
+ new_cfhd_vlc_len[j] = table_9_vlc_len[i];
+ new_cfhd_vlc_run[j] = table_9_vlc_run[i];
+ new_cfhd_vlc_level[j] = table_9_vlc_level[i];
/* Don't include the zero level nor escape bits */
- if (table_vlc_level[i] &&
- vlc_bits[j] != table_vlc_bits[bound - 1]) {
- vlc_bits[j] <<= 1;
- vlc_len[j]++;
+ if (table_9_vlc_level[i] &&
+ new_cfhd_vlc_bits[j] != table_9_vlc_bits[NB_VLC_TABLE_9-1]) {
+ new_cfhd_vlc_bits[j] <<= 1;
+ new_cfhd_vlc_len[j]++;
j++;
- vlc_bits[j] = (table_vlc_bits[i] << 1) | 1;
- vlc_len[j] = table_vlc_len[i] + 1;
- vlc_run[j] = table_vlc_run[i];
- vlc_level[j] = -table_vlc_level[i];
+ new_cfhd_vlc_bits[j] = (table_9_vlc_bits[i] << 1) | 1;
+ new_cfhd_vlc_len[j] = table_9_vlc_len[i] + 1;
+ new_cfhd_vlc_run[j] = table_9_vlc_run[i];
+ new_cfhd_vlc_level[j] = -table_9_vlc_level[i];
}
}
- if ((ret = init_vlc(vlc, VLC_BITS, j, vlc_len, 1, 1, vlc_bits, 4, 4, 0)) < 0)
+ ret = init_vlc(&s->vlc_9, VLC_BITS, j, new_cfhd_vlc_len,
+ 1, 1, new_cfhd_vlc_bits, 4, 4, 0);
+ if (ret < 0)
return ret;
-
- for (i = 0; i < (*vlc).table_size; i++) {
- int code = (*vlc).table[i][0];
- int len = (*vlc).table[i][1];
+ for (i = 0; i < s->vlc_9.table_size; i++) {
+ int code = s->vlc_9.table[i][0];
+ int len = s->vlc_9.table[i][1];
int level, run;
if (len < 0) { // more bits needed
run = 0;
level = code;
} else {
- run = vlc_run[code];
- level = vlc_level[code];
+ run = new_cfhd_vlc_run[code];
+ level = new_cfhd_vlc_level[code];
}
- table_rl_vlc[i].len = len;
- table_rl_vlc[i].level = level;
- table_rl_vlc[i].run = run;
+ s->table_9_rl_vlc[i].len = len;
+ s->table_9_rl_vlc[i].level = level;
+ s->table_9_rl_vlc[i].run = run;
}
- return 0;
-}
+ /* Table 18 */
+ for (i = 0, j = 0; i < NB_VLC_TABLE_18; i++, j++) {
+ new_cfhd_vlc_bits[j] = table_18_vlc_bits[i];
+ new_cfhd_vlc_len[j] = table_18_vlc_len[i];
+ new_cfhd_vlc_run[j] = table_18_vlc_run[i];
+ new_cfhd_vlc_level[j] = table_18_vlc_level[i];
-av_cold int ff_cfhd_init_vlcs(CFHDContext *s)
-{
- /** Similar to dv.c, generate signed VLC tables **/
+ /* Don't include the zero level nor escape bits */
+ if (table_18_vlc_level[i] &&
+ new_cfhd_vlc_bits[j] != table_18_vlc_bits[NB_VLC_TABLE_18-1]) {
+ new_cfhd_vlc_bits[j] <<= 1;
+ new_cfhd_vlc_len[j]++;
+ j++;
+ new_cfhd_vlc_bits[j] = (table_18_vlc_bits[i] << 1) | 1;
+ new_cfhd_vlc_len[j] = table_18_vlc_len[i] + 1;
+ new_cfhd_vlc_run[j] = table_18_vlc_run[i];
+ new_cfhd_vlc_level[j] = -table_18_vlc_level[i];
+ }
+ }
- int ret = init_vlc_signed(&s->vlc_9, s->table_9_rl_vlc, NB_VLC_TABLE_9,
- table_9_vlc_bits, table_9_vlc_len,
- table_9_vlc_run, table_9_vlc_level);
+ ret = init_vlc(&s->vlc_18, VLC_BITS, j, new_cfhd_vlc_len,
+ 1, 1, new_cfhd_vlc_bits, 4, 4, 0);
if (ret < 0)
return ret;
+ av_assert0(s->vlc_18.table_size == 4572);
+
+ for (i = 0; i < s->vlc_18.table_size; i++) {
+ int code = s->vlc_18.table[i][0];
+ int len = s->vlc_18.table[i][1];
+ int level, run;
+
+ if (len < 0) { // more bits needed
+ run = 0;
+ level = code;
+ } else {
+ run = new_cfhd_vlc_run[code];
+ level = new_cfhd_vlc_level[code];
+ }
+ s->table_18_rl_vlc[i].len = len;
+ s->table_18_rl_vlc[i].level = level;
+ s->table_18_rl_vlc[i].run = run;
+ }
- return init_vlc_signed(&s->vlc_18, s->table_18_rl_vlc, NB_VLC_TABLE_18,
- table_18_vlc_bits, table_18_vlc_len,
- table_18_vlc_run, table_18_vlc_level);
+ return ret;
}
projects / ffmpeg.git / commitdiff