From f99726110a9e9e127fc2c7b4bbc3945764ecbfdd Mon Sep 17 00:00:00 2001
From: Gagandeep Singh <deepgagan231197@gmail.com>
Date: Thu, 6 Sep 2018 11:08:57 +0530
Subject: [GSOC][PATCH 1/3] lavc/cfhd: 3d transform decoding added for both
progressive and interlaced samples
---
libavcodec/cfhd.c | 504 ++++++++++++++++++++++++++++++++++++++++------
libavcodec/cfhd.h | 13 +-
2 files changed, 450 insertions(+), 67 deletions(-)
@@ -41,12 +41,15 @@
#define ALPHA_COMPAND_GAIN 9400
enum CFHDParam {
+ TransformType = 10,
ChannelCount = 12,
SubbandCount = 14,
+ Pframe = 19,
ImageWidth = 20,
ImageHeight = 21,
LowpassPrecision = 35,
SubbandNumber = 48,
+ EncodingMethod = 52,
Quantization = 53,
ChannelNumber = 62,
SampleFlags = 68,
@@ -64,6 +67,7 @@ static av_cold int cfhd_init(AVCodecContext *avctx)
avctx->bits_per_raw_sample = 10;
s->avctx = avctx;
+ s->progressive = 0;
return ff_cfhd_init_vlcs(s);
}
@@ -84,6 +88,10 @@ static void init_peak_table_defaults(CFHDContext *s)
static void init_frame_defaults(CFHDContext *s)
{
+ s->sample_type = 0;
+ s->transform_type = 0;
+ s->pframe = 0;
+ s->first_wavelet = 0;
s->coded_width = 0;
s->coded_height = 0;
s->cropped_height = 0;
@@ -97,14 +105,15 @@ static void init_frame_defaults(CFHDContext *s)
s->pshift = 1;
s->codebook = 0;
s->difference_coding = 0;
- s->progressive = 0;
init_plane_defaults(s);
init_peak_table_defaults(s);
}
/* TODO: merge with VLC tables or use LUT */
-static inline int dequant_and_decompand(int level, int quantisation, int codebook)
+static inline int dequant_and_decompand(int level, int quantisation, int codebook, int lossless)
{
+ if (lossless)
+ return level;
if (codebook == 0 || codebook == 1) {
int64_t abslevel = abs(level);
if (level < 264)
@@ -193,16 +202,21 @@ static inline void filter(int16_t *output, ptrdiff_t out_stride,
}
}
-static inline void interlaced_vertical_filter(int16_t *output, int16_t *low, int16_t *high,
- int width, int linesize, int plane)
+static inline void inverse_temporal_filter(int16_t *output, int16_t *low, int16_t *high,
+ int width, int linesize, int temporal_for_highpass)
{
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);
+ if (!temporal_for_highpass) {
+ output[i] = av_clip_uintp2(even, 10);
+ output[i + linesize] = av_clip_uintp2(odd, 10);
+ } else {
+ low[i] = even;
+ high[i] = odd;
+ }
}
}
static void horiz_filter(int16_t *output, int16_t *low, int16_t *high,
@@ -231,9 +245,12 @@ static void free_buffers(CFHDContext *s)
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;
+ if (s->transform_type == 0)
+ for (j = 0; j < 9; j++)
+ s->plane[i].subband[j] = NULL;
+ else
+ for (j = 0; j < 17; j++)
+ s->plane[i].subband[j] = NULL;
for (j = 0; j < 8; j++)
s->plane[i].l_h[j] = NULL;
@@ -247,7 +264,7 @@ static int alloc_buffers(AVCodecContext *avctx)
CFHDContext *s = avctx->priv_data;
int i, j, ret, planes;
int chroma_x_shift, chroma_y_shift;
- unsigned k;
+ unsigned k, t;
if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
return ret;
@@ -261,6 +278,7 @@ static int alloc_buffers(AVCodecContext *avctx)
for (i = 0; i < planes; i++) {
int w8, h8, w4, h4, w2, h2;
+ int16_t *frame2;
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;
@@ -277,28 +295,68 @@ static int alloc_buffers(AVCodecContext *avctx)
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)
- 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;
- 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;
-
- 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;
+ if (s->transform_type == 0) {
+ 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);
+ } else if (s->transform_type == 2) {
+ s->plane[i].idwt_buf =
+ av_mallocz_array(2 * height * stride, sizeof(*s->plane[i].idwt_buf));
+ s->plane[i].idwt_tmp =
+ av_malloc_array(2 * height * stride, sizeof(*s->plane[i].idwt_tmp));
+ if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp)
+ return AVERROR(ENOMEM);
+ }
+
+ if (s->transform_type == 0) {
+ 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;
+ 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 if (s->transform_type == 2) {
+ 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;
+ 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 - 3; 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 if (s->transform_type == 2) {
+ for (j = 0; j < DWT_LEVELS; j++) {
+ t = j < 1 ? 0 : (j < 3 ? 1 : 2);
+ for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[0]); k++) {
+ s->plane[i].band[j][k].a_width = w8 << t;
+ s->plane[i].band[j][k].a_height = h8 << t;
+ }
}
}
@@ -311,6 +369,11 @@ static int alloc_buffers(AVCodecContext *avctx)
// 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 == 2) {
+ 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_height = s->coded_height;
@@ -349,6 +412,9 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
} else if (tag == SampleFlags) {
av_log(avctx, AV_LOG_DEBUG, "Progressive?%"PRIu16"\n", data);
s->progressive = data & 0x0001;
+ } else if (tag == Pframe) {
+ s->pframe = 1;
+ av_log(avctx, AV_LOG_DEBUG, "Frame type %"PRIu16"\n", data);
} else if (tag == ImageWidth) {
av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
s->coded_width = data;
@@ -373,7 +439,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
}
} else if (tag == SubbandCount) {
av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data);
- if (data != SUBBAND_COUNT) {
+ if (data != 10 && data != 17) {
av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data);
ret = AVERROR_PATCHWELCOME;
break;
@@ -405,7 +471,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
} 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) {
+ if (s->subband_num_actual >= 17 && s->subband_num_actual != 255) {
av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
ret = AVERROR(EINVAL);
break;
@@ -420,31 +486,39 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
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 == EncodingMethod) {
+ s->encode_method = data;
+ av_log(avctx, AV_LOG_DEBUG, "Encode Method for Subband %d : %x\n",s->subband_num_actual, 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) {
+ if (data < 3) {
av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
ret = AVERROR(EINVAL);
break;
}
+ if (s->coded_width == 0)
+ s->coded_width = data << 3;
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) {
+ if (data < 3) {
av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
ret = AVERROR(EINVAL);
break;
}
+ if (s->coded_height == 0)
+ s->coded_height = data << 3;
s->plane[s->channel_num].band[0][0].height = data;
- } else if (tag == 1)
+ } else if (tag == 1) {
+ s->sample_type = data;
+ if (data == 2)
+ s->pframe = 1;
+ else if (data == 1)
+ s->transform_type = 2;
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;
- }
+ } else if (tag == 10) {
+ s->transform_type = data;
av_log(avctx, AV_LOG_DEBUG, "Transform-type? %"PRIu16"\n", data);
} else if (abstag >= 0x4000 && abstag <= 0x40ff) {
if (abstag == 0x4001)
@@ -551,8 +625,8 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
/* 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 (((tag == 4 && (data == 0x1a4a || data == 0xf0f)) || s->sample_type == 1) && s->coded_width && s->coded_height &&
+ s->coded_format != AV_PIX_FMT_NONE && s->sample_type != 3 && s->sample_type != 6) {
if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
s->a_format != s->coded_format) {
free_buffers(s);
@@ -619,8 +693,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height);
}
-
- if (tag == 55 && s->subband_num_actual != 255 && s->a_width && s->a_height) {
+ if ((tag == 55 || tag == 82) && 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;
@@ -638,18 +711,24 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
}
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;
+ if (s->subband_num_actual != 255) {
+ 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);
+ if (s->subband_num_actual == 255) {
+ expected = 0;
+ goto finish;
+ }
{
OPEN_READER(re, &s->gb);
- if (!s->codebook) {
+ if (!s->codebook && !(s->transform_type == 2 && s->subband_num_actual == 7)) {
while (1) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, s->table_9_rl_vlc,
@@ -664,9 +743,14 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
if (count > expected)
break;
- coeff = dequant_and_decompand(level, s->quantisation, 0);
+ coeff = dequant_and_decompand(level, s->quantisation, 0, (s->sample_type == 2 || s->sample_type == 3) && s->pframe && s->subband_num_actual == 7 && s->encode_method == 5);
for (i = 0; i < run; i++)
- *coeff_data++ = coeff;
+ if (tag != 82)
+ *coeff_data++ = coeff;
+ else {
+ *coeff_data |= coeff << 8;
+ *coeff_data++ *= s->quantisation;
+ }
}
} else {
while (1) {
@@ -683,15 +767,20 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
if (count > expected)
break;
- coeff = dequant_and_decompand(level, s->quantisation, s->codebook);
+ coeff = dequant_and_decompand(level, s->quantisation, s->codebook, (s->sample_type == 2 || s->sample_type == 3) && s->pframe && s->subband_num_actual == 7 && s->encode_method == 5);
for (i = 0; i < run; i++)
- *coeff_data++ = coeff;
+ if (tag != 82)
+ *coeff_data++ = coeff;
+ else {
+ *coeff_data |= coeff << 8;
+ *coeff_data++ *= s->quantisation;
+ }
}
}
CLOSE_READER(re, &s->gb);
}
- if (count > expected) {
+ if (count > expected && s->subband_num_actual != 255) {
av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n");
ret = AVERROR(EINVAL);
goto end;
@@ -701,6 +790,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
if (s->difference_coding)
difference_coding(s->plane[s->channel_num].subband[s->subband_num_actual], highpass_width, highpass_height);
+ finish:
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");
@@ -721,8 +811,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
}
}
- 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) {
+ if ((!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE) && s->sample_type != 1) {
av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n");
ret = AVERROR(EINVAL);
goto end;
@@ -735,8 +824,9 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
}
planes = av_pix_fmt_count_planes(avctx->pix_fmt);
+ if (s->transform_type == 0 && s->sample_type != 1) {
for (plane = 0; plane < planes && !ret; plane++) {
- /* level 1 */
+ /* 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;
@@ -915,7 +1005,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
low = s->plane[plane].l_h[6];
high = s->plane[plane].l_h[7];
for (i = 0; i < lowpass_height; i++) {
- interlaced_vertical_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, act_plane);
+ inverse_temporal_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, 0);
low += lowpass_width * 2;
high += lowpass_width * 2;
dst += pic->linesize[act_plane];
@@ -923,6 +1013,296 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
}
}
+ } else if (s->transform_type == 2 && s->sample_type != 1) {
+ for (plane = 0; plane < planes && !ret; plane++) {
+ 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;
+ }
+
+ 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++) {
+ 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);
+ low += lowpass_width;
+ high += lowpass_width;
+ output += lowpass_width * 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 += lowpass_width * 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;
+ }
+
+ 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].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++;
+ }
+
+ 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++;
+ }
+
+ 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;
+ }
+
+ 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 += lowpass_width * 2;
+ }
+
+ low = s->plane[plane].subband[7];
+ high = s->plane[plane].subband[9];
+ 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++;
+ }
+
+ low = s->plane[plane].subband[8];
+ high = s->plane[plane].subband[10];
+ 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++;
+ }
+
+ low = s->plane[plane].l_h[3];
+ high = s->plane[plane].l_h[4];
+ output = s->plane[plane].subband[7];
+ 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;
+ }
+
+ lowpass_height = s->plane[plane].band[4][1].height;
+ 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) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
+
+ low = s->plane[plane].subband[0];
+ high = s->plane[plane].subband[7];
+ output = s->plane[plane].subband[0];
+ for (i = 0; i < lowpass_height; i++) {
+ inverse_temporal_filter(output, low, high, lowpass_width, 4 * lowpass_width * lowpass_height, 1);
+ low += lowpass_width;
+ high += lowpass_width;
+ }
+ if (s->progressive) {
+ low = s->plane[plane].subband[0];
+ high = s->plane[plane].subband[15];
+ 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++;
+ }
+
+ low = s->plane[plane].subband[14];
+ high = s->plane[plane].subband[16];
+ 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++;
+ }
+
+ low = s->plane[plane].subband[7];
+ high = s->plane[plane].subband[12];
+ output = s->plane[plane].l_h[8];
+ 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[11];
+ high = s->plane[plane].subband[13];
+ output = s->plane[plane].l_h[9];
+ for (i = 0; i < lowpass_width; i++) {
+ vert_filter(output, lowpass_width, low, highpass_stride, high, highpass_stride, lowpass_height);
+ low++;
+ high++;
+ output++;
+ }
+
+ 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(dst, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ dst += pic->linesize[act_plane] / 2;
+ }
+ } else {
+ pic->interlaced_frame = 1;
+ low = s->plane[plane].subband[0];
+ high = s->plane[plane].subband[14];
+ output = s->plane[plane].l_h[6];
+ for (i = 0; i < lowpass_height; i++) {
+ horiz_filter(output, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ output += lowpass_width * 2;
+ }
+
+ low = s->plane[plane].subband[15];
+ high = s->plane[plane].subband[16];
+ output = s->plane[plane].l_h[7];
+ for (i = 0; i < lowpass_height; i++) {
+ horiz_filter(output, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ output += lowpass_width * 2;
+ }
+
+ low = s->plane[plane].subband[7];
+ high = s->plane[plane].subband[11];
+ output = s->plane[plane].l_h[8];
+ for (i = 0; i < lowpass_height; i++) {
+ horiz_filter(output, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ output += lowpass_width * 2;
+ }
+
+ low = s->plane[plane].subband[12];
+ high = s->plane[plane].subband[13];
+ output = s->plane[plane].l_h[9];
+ for (i = 0; i < lowpass_height; i++) {
+ horiz_filter(output, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ output += lowpass_width * 2;
+ }
+
+
+ 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; i++) {
+ inverse_temporal_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, 0);
+ low += lowpass_width * 2;
+ high += lowpass_width * 2;
+ dst += pic->linesize[act_plane];
+ }
+ }
+ }
+ } else if (s->sample_type == 1) {
+ int16_t *low, *high, *dst;
+ int lowpass_height, lowpass_width;
+ for (plane = 0; plane < planes && !ret; plane++) {
+ int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
+ lowpass_height = s->plane[plane].band[4][1].height;
+ lowpass_width = s->plane[plane].band[4][1].width;
+ if (s->progressive) {
+ 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 < lowpass_height * 2; i++) {
+ horiz_filter(dst, low, high, lowpass_width);
+ low += lowpass_width;
+ high += lowpass_width;
+ dst += pic->linesize[act_plane] / 2;
+ }
+ } 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 < lowpass_height; i++) {
+ inverse_temporal_filter(dst, low, high, lowpass_width * 2, pic->linesize[act_plane]/2, 0);
+ low += lowpass_width * 2;
+ high += lowpass_width * 2;
+ dst += pic->linesize[act_plane];
+ }
+ }
+ }
+ }
end:
if (ret < 0)
@@ -955,6 +1335,6 @@ AVCodec ff_cfhd_decoder = {
.init = 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,
+ .capabilities = AV_CODEC_CAP_DR1,
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
};
@@ -31,15 +31,14 @@
#include "vlc.h"
#define VLC_BITS 9
-#define SUBBAND_COUNT 10
-
+#define SUBBAND_COUNT 17
typedef struct CFHD_RL_VLC_ELEM {
int16_t level;
int8_t len;
uint16_t run;
} CFHD_RL_VLC_ELEM;
-#define DWT_LEVELS 3
+#define DWT_LEVELS 6
typedef struct SubBand {
int level;
@@ -64,7 +63,7 @@ typedef struct Plane {
/* TODO: merge this into SubBand structure */
int16_t *subband[SUBBAND_COUNT];
- int16_t *l_h[8];
+ int16_t *l_h[10];
SubBand band[DWT_LEVELS][4];
} Plane;
@@ -83,9 +82,13 @@ typedef struct CFHDContext {
CFHD_RL_VLC_ELEM table_18_rl_vlc[4572];
VLC vlc_18;
-
GetBitContext gb;
+ int sample_type;
+ int transform_type;
+ int encode_method;
+ int first_wavelet;
+ int pframe;
int coded_width;
int coded_height;
int cropped_height;
--
2.17.1