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-rw-r--r--libavcodec/exr.c674
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diff --git a/libavcodec/exr.c b/libavcodec/exr.c
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+++ b/libavcodec/exr.c
@@ -0,0 +1,674 @@
+/*
+ * OpenEXR (.exr) image decoder
+ * Copyright (c) 2009 Jimmy Christensen
+ *
+ * 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
+ * OpenEXR decoder
+ * @author Jimmy Christensen
+ *
+ * For more information on the OpenEXR format, visit:
+ * http://openexr.com/
+ *
+ * exr_flt2uint() and exr_halflt2uint() is credited to Reimar Döffinger
+ */
+
+#include <zlib.h>
+
+#include "avcodec.h"
+#include "bytestream.h"
+#include "mathops.h"
+#include "thread.h"
+#include "libavutil/imgutils.h"
+
+enum ExrCompr {
+ EXR_RAW = 0,
+ EXR_RLE = 1,
+ EXR_ZIP1 = 2,
+ EXR_ZIP16 = 3,
+ EXR_PIZ = 4,
+ EXR_B44 = 6,
+ EXR_B44A = 7,
+};
+
+typedef struct EXRContext {
+ AVFrame picture;
+ int compr;
+ int bits_per_color_id;
+ int channel_offsets[4]; // 0 = red, 1 = green, 2 = blue and 3 = alpha
+
+ uint8_t *uncompressed_data;
+ int uncompressed_size;
+
+ uint8_t *tmp;
+ int tmp_size;
+} EXRContext;
+
+/**
+ * Converts from 32-bit float as uint32_t to uint16_t
+ *
+ * @param v 32-bit float
+ * @return normalized 16-bit unsigned int
+ */
+static inline uint16_t exr_flt2uint(uint32_t v)
+{
+ unsigned int exp = v >> 23;
+ // "HACK": negative values result in exp< 0, so clipping them to 0
+ // is also handled by this condition, avoids explicit check for sign bit.
+ if (exp<= 127 + 7 - 24) // we would shift out all bits anyway
+ return 0;
+ if (exp >= 127)
+ return 0xffff;
+ v &= 0x007fffff;
+ return (v + (1 << 23)) >> (127 + 7 - exp);
+}
+
+/**
+ * Converts from 16-bit float as uint16_t to uint16_t
+ *
+ * @param v 16-bit float
+ * @return normalized 16-bit unsigned int
+ */
+static inline uint16_t exr_halflt2uint(uint16_t v)
+{
+ unsigned exp = 14 - (v >> 10);
+ if (exp >= 14) {
+ if (exp == 14) return (v >> 9) & 1;
+ else return (v & 0x8000) ? 0 : 0xffff;
+ }
+ v <<= 6;
+ return (v + (1 << 16)) >> (exp + 1);
+}
+
+/**
+ * Gets the size of the header variable
+ *
+ * @param **buf the current pointer location in the header where
+ * the variable data starts
+ * @param *buf_end pointer location of the end of the buffer
+ * @return size of variable data
+ */
+static unsigned int get_header_variable_length(const uint8_t **buf,
+ const uint8_t *buf_end)
+{
+ unsigned int variable_buffer_data_size = bytestream_get_le32(buf);
+ if (variable_buffer_data_size >= buf_end - *buf)
+ return 0;
+ return variable_buffer_data_size;
+}
+
+/**
+ * Checks if the variable name corresponds with it's data type
+ *
+ * @param *avctx the AVCodecContext
+ * @param **buf the current pointer location in the header where
+ * the variable name starts
+ * @param *buf_end pointer location of the end of the buffer
+ * @param *value_name name of the varible to check
+ * @param *value_type type of the varible to check
+ * @param minimum_length minimum length of the variable data
+ * @param variable_buffer_data_size variable length read from the header
+ * after it's checked
+ * @return negative if variable is invalid
+ */
+static int check_header_variable(AVCodecContext *avctx,
+ const uint8_t **buf,
+ const uint8_t *buf_end,
+ const char *value_name,
+ const char *value_type,
+ unsigned int minimum_length,
+ unsigned int *variable_buffer_data_size)
+{
+ if (buf_end - *buf >= minimum_length && !strcmp(*buf, value_name)) {
+ *buf += strlen(value_name)+1;
+ if (!strcmp(*buf, value_type)) {
+ *buf += strlen(value_type)+1;
+ *variable_buffer_data_size = get_header_variable_length(buf, buf_end);
+ if (!*variable_buffer_data_size)
+ av_log(avctx, AV_LOG_ERROR, "Incomplete header\n");
+ if (*variable_buffer_data_size > buf_end - *buf)
+ return -1;
+ return 1;
+ }
+ *buf -= strlen(value_name)+1;
+ av_log(avctx, AV_LOG_WARNING, "Unknown data type for header variable %s\n", value_name);
+ }
+ return -1;
+}
+
+static void predictor(uint8_t *src, int size)
+{
+ uint8_t *t = src + 1;
+ uint8_t *stop = src + size;
+
+ while (t < stop) {
+ int d = (int)t[-1] + (int)t[0] - 128;
+ t[0] = d;
+ ++t;
+ }
+}
+
+static void reorder_pixels(uint8_t *src, uint8_t *dst, int size)
+{
+ const int8_t *t1 = src;
+ const int8_t *t2 = src + (size + 1) / 2;
+ int8_t *s = dst;
+ int8_t *stop = s + size;
+
+ while (1) {
+ if (s < stop)
+ *(s++) = *(t1++);
+ else
+ break;
+
+ if (s < stop)
+ *(s++) = *(t2++);
+ else
+ break;
+ }
+}
+
+static int rle_uncompress(const uint8_t *src, int ssize, uint8_t *dst, int dsize)
+{
+ int8_t *d = (int8_t *)dst;
+ int8_t *s = (int8_t *)src;
+ int8_t *dend = d + dsize;
+ int count;
+
+ while (ssize > 0) {
+ count = *s++;
+
+ if (count < 0) {
+ count = -count;
+
+ if ((dsize -= count ) < 0 ||
+ (ssize -= count + 1) < 0)
+ return -1;
+
+ while (count--)
+ *d++ = *s++;
+ } else {
+ count++;
+
+ if ((dsize -= count) < 0 ||
+ (ssize -= 2 ) < 0)
+ return -1;
+
+ while (count--)
+ *d++ = *s;
+
+ s++;
+ }
+ }
+
+ return dend != d;
+}
+
+static int decode_frame(AVCodecContext *avctx,
+ void *data,
+ int *data_size,
+ AVPacket *avpkt)
+{
+ const uint8_t *buf = avpkt->data;
+ unsigned int buf_size = avpkt->size;
+ const uint8_t *buf_end = buf + buf_size;
+
+ EXRContext *const s = avctx->priv_data;
+ AVFrame *picture = data;
+ AVFrame *const p = &s->picture;
+ uint8_t *ptr;
+
+ int i, x, y, stride, magic_number, version_flag, ret;
+ int w = 0;
+ int h = 0;
+ unsigned int xmin = ~0;
+ unsigned int xmax = ~0;
+ unsigned int ymin = ~0;
+ unsigned int ymax = ~0;
+ unsigned int xdelta = ~0;
+
+ int out_line_size;
+ int bxmin, axmax;
+ int scan_lines_per_block;
+ unsigned long scan_line_size;
+ unsigned long uncompressed_size;
+
+ unsigned int current_channel_offset = 0;
+
+ s->channel_offsets[0] = -1;
+ s->channel_offsets[1] = -1;
+ s->channel_offsets[2] = -1;
+ s->channel_offsets[3] = -1;
+ s->bits_per_color_id = -1;
+
+ if (buf_size < 10) {
+ av_log(avctx, AV_LOG_ERROR, "Too short header to parse\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ magic_number = bytestream_get_le32(&buf);
+ if (magic_number != 20000630) { // As per documentation of OpenEXR it's supposed to be int 20000630 little-endian
+ av_log(avctx, AV_LOG_ERROR, "Wrong magic number %d\n", magic_number);
+ return AVERROR_INVALIDDATA;
+ }
+
+ version_flag = bytestream_get_le32(&buf);
+ if ((version_flag & 0x200) == 0x200) {
+ av_log(avctx, AV_LOG_ERROR, "Tile based images are not supported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ // Parse the header
+ while (buf < buf_end && buf[0]) {
+ unsigned int variable_buffer_data_size;
+ // Process the channel list
+ if (check_header_variable(avctx, &buf, buf_end, "channels", "chlist", 38, &variable_buffer_data_size) >= 0) {
+ const uint8_t *channel_list_end;
+ if (!variable_buffer_data_size)
+ return AVERROR_INVALIDDATA;
+
+ channel_list_end = buf + variable_buffer_data_size;
+ while (channel_list_end - buf >= 19) {
+ int current_bits_per_color_id = -1;
+ int channel_index = -1;
+
+ if (!strcmp(buf, "R"))
+ channel_index = 0;
+ else if (!strcmp(buf, "G"))
+ channel_index = 1;
+ else if (!strcmp(buf, "B"))
+ channel_index = 2;
+ else if (!strcmp(buf, "A"))
+ channel_index = 3;
+ else
+ av_log(avctx, AV_LOG_WARNING, "Unsupported channel %.256s\n", buf);
+
+ while (bytestream_get_byte(&buf) && buf < channel_list_end)
+ continue; /* skip */
+
+ if (channel_list_end - * &buf < 4) {
+ av_log(avctx, AV_LOG_ERROR, "Incomplete header\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ current_bits_per_color_id = bytestream_get_le32(&buf);
+ if (current_bits_per_color_id > 2) {
+ av_log(avctx, AV_LOG_ERROR, "Unknown color format\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (channel_index >= 0) {
+ if (s->bits_per_color_id != -1 && s->bits_per_color_id != current_bits_per_color_id) {
+ av_log(avctx, AV_LOG_ERROR, "RGB channels not of the same depth\n");
+ return AVERROR_INVALIDDATA;
+ }
+ s->bits_per_color_id = current_bits_per_color_id;
+ s->channel_offsets[channel_index] = current_channel_offset;
+ }
+
+ current_channel_offset += 1 << current_bits_per_color_id;
+ buf += 12;
+ }
+
+ /* Check if all channels are set with an offset or if the channels
+ * are causing an overflow */
+
+ if (FFMIN3(s->channel_offsets[0],
+ s->channel_offsets[1],
+ s->channel_offsets[2]) < 0) {
+ if (s->channel_offsets[0] < 0)
+ av_log(avctx, AV_LOG_ERROR, "Missing red channel\n");
+ if (s->channel_offsets[1] < 0)
+ av_log(avctx, AV_LOG_ERROR, "Missing green channel\n");
+ if (s->channel_offsets[2] < 0)
+ av_log(avctx, AV_LOG_ERROR, "Missing blue channel\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ buf = channel_list_end;
+ continue;
+ }
+
+ // Process the dataWindow variable
+ if (check_header_variable(avctx, &buf, buf_end, "dataWindow", "box2i", 31, &variable_buffer_data_size) >= 0) {
+ if (!variable_buffer_data_size)
+ return AVERROR_INVALIDDATA;
+
+ xmin = AV_RL32(buf);
+ ymin = AV_RL32(buf + 4);
+ xmax = AV_RL32(buf + 8);
+ ymax = AV_RL32(buf + 12);
+ xdelta = (xmax-xmin) + 1;
+
+ buf += variable_buffer_data_size;
+ continue;
+ }
+
+ // Process the displayWindow variable
+ if (check_header_variable(avctx, &buf, buf_end, "displayWindow", "box2i", 34, &variable_buffer_data_size) >= 0) {
+ if (!variable_buffer_data_size)
+ return AVERROR_INVALIDDATA;
+
+ w = AV_RL32(buf + 8) + 1;
+ h = AV_RL32(buf + 12) + 1;
+
+ buf += variable_buffer_data_size;
+ continue;
+ }
+
+ // Process the lineOrder variable
+ if (check_header_variable(avctx, &buf, buf_end, "lineOrder", "lineOrder", 25, &variable_buffer_data_size) >= 0) {
+ if (!variable_buffer_data_size)
+ return AVERROR_INVALIDDATA;
+
+ if (*buf) {
+ av_log(avctx, AV_LOG_ERROR, "Doesn't support this line order : %d\n", *buf);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ buf += variable_buffer_data_size;
+ continue;
+ }
+
+ // Process the pixelAspectRatio variable
+ if (check_header_variable(avctx, &buf, buf_end, "pixelAspectRatio", "float", 31, &variable_buffer_data_size) >= 0) {
+ if (!variable_buffer_data_size)
+ return AVERROR_INVALIDDATA;
+
+ avctx->sample_aspect_ratio = av_d2q(av_int2float(AV_RL32(buf)), 255);
+
+ buf += variable_buffer_data_size;
+ continue;
+ }
+
+ // Process the compression variable
+ if (check_header_variable(avctx, &buf, buf_end, "compression", "compression", 29, &variable_buffer_data_size) >= 0) {
+ if (!variable_buffer_data_size)
+ return AVERROR_INVALIDDATA;
+
+ if (s->compr == -1)
+ s->compr = *buf;
+ else
+ av_log(avctx, AV_LOG_WARNING, "Found more than one compression attribute\n");
+
+ buf += variable_buffer_data_size;
+ continue;
+ }
+
+ // Check if there is enough bytes for a header
+ if (buf_end - buf <= 9) {
+ av_log(avctx, AV_LOG_ERROR, "Incomplete header\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ // Process unknown variables
+ for (i = 0; i < 2; i++) {
+ // Skip variable name/type
+ while (++buf < buf_end)
+ if (buf[0] == 0x0)
+ break;
+ }
+ buf++;
+ // Skip variable length
+ if (buf_end - buf >= 5) {
+ variable_buffer_data_size = get_header_variable_length(&buf, buf_end);
+ if (!variable_buffer_data_size) {
+ av_log(avctx, AV_LOG_ERROR, "Incomplete header\n");
+ return AVERROR_INVALIDDATA;
+ }
+ buf += variable_buffer_data_size;
+ }
+ }
+
+ if (s->compr == -1) {
+ av_log(avctx, AV_LOG_ERROR, "Missing compression attribute\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (buf >= buf_end) {
+ av_log(avctx, AV_LOG_ERROR, "Incomplete frame\n");
+ return AVERROR_INVALIDDATA;
+ }
+ buf++;
+
+ switch (s->bits_per_color_id) {
+ case 2: // 32-bit
+ case 1: // 16-bit
+ if (s->channel_offsets[3] >= 0)
+ avctx->pix_fmt = AV_PIX_FMT_RGBA64;
+ else
+ avctx->pix_fmt = AV_PIX_FMT_RGB48;
+ break;
+ // 8-bit
+ case 0:
+ av_log_missing_feature(avctx, "8-bit OpenEXR", 1);
+ return AVERROR_PATCHWELCOME;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unknown color format : %d\n", s->bits_per_color_id);
+ return AVERROR_INVALIDDATA;
+ }
+
+ switch (s->compr) {
+ case EXR_RAW:
+ case EXR_RLE:
+ case EXR_ZIP1:
+ scan_lines_per_block = 1;
+ break;
+ case EXR_ZIP16:
+ scan_lines_per_block = 16;
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Compression type %d is not supported\n", s->compr);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ if (s->picture.data[0])
+ ff_thread_release_buffer(avctx, &s->picture);
+ if (av_image_check_size(w, h, 0, avctx))
+ return AVERROR_INVALIDDATA;
+
+ // Verify the xmin, xmax, ymin, ymax and xdelta before setting the actual image size
+ if (xmin > xmax || ymin > ymax || xdelta != xmax - xmin + 1 || xmax >= w || ymax >= h) {
+ av_log(avctx, AV_LOG_ERROR, "Wrong sizing or missing size information\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (w != avctx->width || h != avctx->height) {
+ avcodec_set_dimensions(avctx, w, h);
+ }
+
+ bxmin = xmin * 2 * av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
+ axmax = (avctx->width - (xmax + 1)) * 2 * av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
+ out_line_size = avctx->width * 2 * av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
+ scan_line_size = xdelta * current_channel_offset;
+ uncompressed_size = scan_line_size * scan_lines_per_block;
+
+ if (s->compr != EXR_RAW) {
+ av_fast_padded_malloc(&s->uncompressed_data, &s->uncompressed_size, uncompressed_size);
+ av_fast_padded_malloc(&s->tmp, &s->tmp_size, uncompressed_size);
+ if (!s->uncompressed_data || !s->tmp)
+ return AVERROR(ENOMEM);
+ }
+
+ if ((ret = ff_thread_get_buffer(avctx, p)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
+ }
+
+ ptr = p->data[0];
+ stride = p->linesize[0];
+
+ // Zero out the start if ymin is not 0
+ for (y = 0; y < ymin; y++) {
+ memset(ptr, 0, out_line_size);
+ ptr += stride;
+ }
+
+ // Process the actual scan line blocks
+ for (y = ymin; y <= ymax; y += scan_lines_per_block) {
+ uint16_t *ptr_x = (uint16_t *)ptr;
+ if (buf_end - buf > 8) {
+ /* Read the lineoffset from the line offset table and add 8 bytes
+ to skip the coordinates and data size fields */
+ const uint64_t line_offset = bytestream_get_le64(&buf) + 8;
+ int32_t data_size;
+
+ // Check if the buffer has the required bytes needed from the offset
+ if ((line_offset > buf_size) ||
+ (s->compr == EXR_RAW && line_offset > avpkt->size - xdelta * current_channel_offset) ||
+ (s->compr != EXR_RAW && line_offset > buf_size - (data_size = AV_RL32(avpkt->data + line_offset - 4)))) {
+ // Line offset is probably wrong and not inside the buffer
+ av_log(avctx, AV_LOG_WARNING, "Line offset for line %d is out of reach setting it to black\n", y);
+ for (i = 0; i < scan_lines_per_block && y + i <= ymax; i++, ptr += stride) {
+ ptr_x = (uint16_t *)ptr;
+ memset(ptr_x, 0, out_line_size);
+ }
+ } else {
+ const uint8_t *red_channel_buffer, *green_channel_buffer, *blue_channel_buffer, *alpha_channel_buffer = 0;
+
+ if (scan_lines_per_block > 1)
+ uncompressed_size = scan_line_size * FFMIN(scan_lines_per_block, ymax - y + 1);
+ if ((s->compr == EXR_ZIP1 || s->compr == EXR_ZIP16) && data_size < uncompressed_size) {
+ unsigned long dest_len = uncompressed_size;
+
+ if (uncompress(s->tmp, &dest_len, avpkt->data + line_offset, data_size) != Z_OK ||
+ dest_len != uncompressed_size) {
+ av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
+ return AVERROR(EINVAL);
+ }
+ } else if (s->compr == EXR_RLE && data_size < uncompressed_size) {
+ if (rle_uncompress(avpkt->data + line_offset, data_size, s->tmp, uncompressed_size)) {
+ av_log(avctx, AV_LOG_ERROR, "error during rle decompression\n");
+ return AVERROR(EINVAL);
+ }
+ }
+
+ if (s->compr != EXR_RAW && data_size < uncompressed_size) {
+ predictor(s->tmp, uncompressed_size);
+ reorder_pixels(s->tmp, s->uncompressed_data, uncompressed_size);
+
+ red_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[0];
+ green_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[1];
+ blue_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[2];
+ if (s->channel_offsets[3] >= 0)
+ alpha_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[3];
+ } else {
+ red_channel_buffer = avpkt->data + line_offset + xdelta * s->channel_offsets[0];
+ green_channel_buffer = avpkt->data + line_offset + xdelta * s->channel_offsets[1];
+ blue_channel_buffer = avpkt->data + line_offset + xdelta * s->channel_offsets[2];
+ if (s->channel_offsets[3] >= 0)
+ alpha_channel_buffer = avpkt->data + line_offset + xdelta * s->channel_offsets[3];
+ }
+
+ for (i = 0; i < scan_lines_per_block && y + i <= ymax; i++, ptr += stride) {
+ const uint8_t *r, *g, *b, *a;
+
+ r = red_channel_buffer;
+ g = green_channel_buffer;
+ b = blue_channel_buffer;
+ if (alpha_channel_buffer)
+ a = alpha_channel_buffer;
+
+ ptr_x = (uint16_t *)ptr;
+
+ // Zero out the start if xmin is not 0
+ memset(ptr_x, 0, bxmin);
+ ptr_x += xmin * av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
+ if (s->bits_per_color_id == 2) {
+ // 32-bit
+ for (x = 0; x < xdelta; x++) {
+ *ptr_x++ = exr_flt2uint(bytestream_get_le32(&r));
+ *ptr_x++ = exr_flt2uint(bytestream_get_le32(&g));
+ *ptr_x++ = exr_flt2uint(bytestream_get_le32(&b));
+ if (alpha_channel_buffer)
+ *ptr_x++ = exr_flt2uint(bytestream_get_le32(&a));
+ }
+ } else {
+ // 16-bit
+ for (x = 0; x < xdelta; x++) {
+ *ptr_x++ = exr_halflt2uint(bytestream_get_le16(&r));
+ *ptr_x++ = exr_halflt2uint(bytestream_get_le16(&g));
+ *ptr_x++ = exr_halflt2uint(bytestream_get_le16(&b));
+ if (alpha_channel_buffer)
+ *ptr_x++ = exr_halflt2uint(bytestream_get_le16(&a));
+ }
+ }
+
+ // Zero out the end if xmax+1 is not w
+ memset(ptr_x, 0, axmax);
+
+ red_channel_buffer += scan_line_size;
+ green_channel_buffer += scan_line_size;
+ blue_channel_buffer += scan_line_size;
+ if (alpha_channel_buffer)
+ alpha_channel_buffer += scan_line_size;
+ }
+ }
+ }
+ }
+
+ // Zero out the end if ymax+1 is not h
+ for (y = ymax + 1; y < avctx->height; y++) {
+ memset(ptr, 0, out_line_size);
+ ptr += stride;
+ }
+
+ *picture = s->picture;
+ *data_size = sizeof(AVPicture);
+
+ return buf_size;
+}
+
+static av_cold int decode_init(AVCodecContext *avctx)
+{
+ EXRContext *s = avctx->priv_data;
+
+ avcodec_get_frame_defaults(&s->picture);
+ avctx->coded_frame = &s->picture;
+
+ s->compr = -1;
+
+ return 0;
+}
+
+static av_cold int decode_end(AVCodecContext *avctx)
+{
+ EXRContext *s = avctx->priv_data;
+
+ if (s->picture.data[0])
+ avctx->release_buffer(avctx, &s->picture);
+
+ av_freep(&s->uncompressed_data);
+ av_freep(&s->tmp);
+
+ return 0;
+}
+
+AVCodec ff_exr_decoder = {
+ .name = "exr",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_EXR,
+ .priv_data_size = sizeof(EXRContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
+ .long_name = NULL_IF_CONFIG_SMALL("OpenEXR image"),
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 10:13:03 +0300