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Diffstat (limited to 'media/libaom/src/common/tools_common.c')
-rw-r--r--media/libaom/src/common/tools_common.c425
1 files changed, 425 insertions, 0 deletions
diff --git a/media/libaom/src/common/tools_common.c b/media/libaom/src/common/tools_common.c
new file mode 100644
index 0000000000..21cd800262
--- /dev/null
+++ b/media/libaom/src/common/tools_common.c
@@ -0,0 +1,425 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include "common/tools_common.h"
+
+#include <math.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if CONFIG_AV1_ENCODER
+#include "aom/aomcx.h"
+#endif
+
+#if CONFIG_AV1_DECODER
+#include "aom/aomdx.h"
+#endif
+
+#if defined(_WIN32) || defined(__OS2__)
+#include <io.h>
+#include <fcntl.h>
+
+#ifdef __OS2__
+#define _setmode setmode
+#define _fileno fileno
+#define _O_BINARY O_BINARY
+#endif
+#endif
+
+#define LOG_ERROR(label) \
+ do { \
+ const char *l = label; \
+ va_list ap; \
+ va_start(ap, fmt); \
+ if (l) fprintf(stderr, "%s: ", l); \
+ vfprintf(stderr, fmt, ap); \
+ fprintf(stderr, "\n"); \
+ va_end(ap); \
+ } while (0)
+
+FILE *set_binary_mode(FILE *stream) {
+ (void)stream;
+#if defined(_WIN32) || defined(__OS2__)
+ _setmode(_fileno(stream), _O_BINARY);
+#endif
+ return stream;
+}
+
+void die(const char *fmt, ...) {
+ LOG_ERROR(NULL);
+ usage_exit();
+}
+
+void fatal(const char *fmt, ...) {
+ LOG_ERROR("Fatal");
+ exit(EXIT_FAILURE);
+}
+
+void warn(const char *fmt, ...) { LOG_ERROR("Warning"); }
+
+void die_codec(aom_codec_ctx_t *ctx, const char *s) {
+ const char *detail = aom_codec_error_detail(ctx);
+
+ printf("%s: %s\n", s, aom_codec_error(ctx));
+ if (detail) printf(" %s\n", detail);
+ exit(EXIT_FAILURE);
+}
+
+int read_yuv_frame(struct AvxInputContext *input_ctx, aom_image_t *yuv_frame) {
+ FILE *f = input_ctx->file;
+ struct FileTypeDetectionBuffer *detect = &input_ctx->detect;
+ int plane = 0;
+ int shortread = 0;
+ const int bytespp = (yuv_frame->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
+
+ for (plane = 0; plane < 3; ++plane) {
+ uint8_t *ptr;
+ const int w = aom_img_plane_width(yuv_frame, plane);
+ const int h = aom_img_plane_height(yuv_frame, plane);
+ int r;
+
+ /* Determine the correct plane based on the image format. The for-loop
+ * always counts in Y,U,V order, but this may not match the order of
+ * the data on disk.
+ */
+ switch (plane) {
+ case 1:
+ ptr =
+ yuv_frame->planes[yuv_frame->fmt == AOM_IMG_FMT_YV12 ? AOM_PLANE_V
+ : AOM_PLANE_U];
+ break;
+ case 2:
+ ptr =
+ yuv_frame->planes[yuv_frame->fmt == AOM_IMG_FMT_YV12 ? AOM_PLANE_U
+ : AOM_PLANE_V];
+ break;
+ default: ptr = yuv_frame->planes[plane];
+ }
+
+ for (r = 0; r < h; ++r) {
+ size_t needed = w * bytespp;
+ size_t buf_position = 0;
+ const size_t left = detect->buf_read - detect->position;
+ if (left > 0) {
+ const size_t more = (left < needed) ? left : needed;
+ memcpy(ptr, detect->buf + detect->position, more);
+ buf_position = more;
+ needed -= more;
+ detect->position += more;
+ }
+ if (needed > 0) {
+ shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
+ }
+
+ ptr += yuv_frame->stride[plane];
+ }
+ }
+
+ return shortread;
+}
+
+#if CONFIG_AV1_ENCODER
+static const AvxInterface aom_encoders[] = {
+ { "av1", AV1_FOURCC, &aom_codec_av1_cx },
+};
+
+int get_aom_encoder_count(void) {
+ return sizeof(aom_encoders) / sizeof(aom_encoders[0]);
+}
+
+const AvxInterface *get_aom_encoder_by_index(int i) { return &aom_encoders[i]; }
+
+const AvxInterface *get_aom_encoder_by_name(const char *name) {
+ int i;
+
+ for (i = 0; i < get_aom_encoder_count(); ++i) {
+ const AvxInterface *encoder = get_aom_encoder_by_index(i);
+ if (strcmp(encoder->name, name) == 0) return encoder;
+ }
+
+ return NULL;
+}
+#endif // CONFIG_AV1_ENCODER
+
+#if CONFIG_AV1_DECODER
+static const AvxInterface aom_decoders[] = {
+ { "av1", AV1_FOURCC, &aom_codec_av1_dx },
+};
+
+int get_aom_decoder_count(void) {
+ return sizeof(aom_decoders) / sizeof(aom_decoders[0]);
+}
+
+const AvxInterface *get_aom_decoder_by_index(int i) { return &aom_decoders[i]; }
+
+const AvxInterface *get_aom_decoder_by_name(const char *name) {
+ int i;
+
+ for (i = 0; i < get_aom_decoder_count(); ++i) {
+ const AvxInterface *const decoder = get_aom_decoder_by_index(i);
+ if (strcmp(decoder->name, name) == 0) return decoder;
+ }
+
+ return NULL;
+}
+
+const AvxInterface *get_aom_decoder_by_fourcc(uint32_t fourcc) {
+ int i;
+
+ for (i = 0; i < get_aom_decoder_count(); ++i) {
+ const AvxInterface *const decoder = get_aom_decoder_by_index(i);
+ if (decoder->fourcc == fourcc) return decoder;
+ }
+
+ return NULL;
+}
+#endif // CONFIG_AV1_DECODER
+
+void aom_img_write(const aom_image_t *img, FILE *file) {
+ int plane;
+
+ for (plane = 0; plane < 3; ++plane) {
+ const unsigned char *buf = img->planes[plane];
+ const int stride = img->stride[plane];
+ const int w = aom_img_plane_width(img, plane) *
+ ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
+ const int h = aom_img_plane_height(img, plane);
+ int y;
+
+ for (y = 0; y < h; ++y) {
+ fwrite(buf, 1, w, file);
+ buf += stride;
+ }
+ }
+}
+
+int aom_img_read(aom_image_t *img, FILE *file) {
+ int plane;
+
+ for (plane = 0; plane < 3; ++plane) {
+ unsigned char *buf = img->planes[plane];
+ const int stride = img->stride[plane];
+ const int w = aom_img_plane_width(img, plane) *
+ ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
+ const int h = aom_img_plane_height(img, plane);
+ int y;
+
+ for (y = 0; y < h; ++y) {
+ if (fread(buf, 1, w, file) != (size_t)w) return 0;
+ buf += stride;
+ }
+ }
+
+ return 1;
+}
+
+// TODO(dkovalev) change sse_to_psnr signature: double -> int64_t
+double sse_to_psnr(double samples, double peak, double sse) {
+ static const double kMaxPSNR = 100.0;
+
+ if (sse > 0.0) {
+ const double psnr = 10.0 * log10(samples * peak * peak / sse);
+ return psnr > kMaxPSNR ? kMaxPSNR : psnr;
+ } else {
+ return kMaxPSNR;
+ }
+}
+
+// TODO(debargha): Consolidate the functions below into a separate file.
+static void highbd_img_upshift(aom_image_t *dst, const aom_image_t *src,
+ int input_shift) {
+ // Note the offset is 1 less than half.
+ const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
+ int plane;
+ if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
+ dst->x_chroma_shift != src->x_chroma_shift ||
+ dst->y_chroma_shift != src->y_chroma_shift || dst->fmt != src->fmt ||
+ input_shift < 0) {
+ fatal("Unsupported image conversion");
+ }
+ switch (src->fmt) {
+ case AOM_IMG_FMT_I42016:
+ case AOM_IMG_FMT_I42216:
+ case AOM_IMG_FMT_I44416: break;
+ default: fatal("Unsupported image conversion"); break;
+ }
+ for (plane = 0; plane < 3; plane++) {
+ int w = src->d_w;
+ int h = src->d_h;
+ int x, y;
+ if (plane) {
+ w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
+ h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
+ }
+ for (y = 0; y < h; y++) {
+ const uint16_t *p_src =
+ (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
+ uint16_t *p_dst =
+ (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
+ for (x = 0; x < w; x++) *p_dst++ = (*p_src++ << input_shift) + offset;
+ }
+ }
+}
+
+static void lowbd_img_upshift(aom_image_t *dst, const aom_image_t *src,
+ int input_shift) {
+ // Note the offset is 1 less than half.
+ const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
+ int plane;
+ if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
+ dst->x_chroma_shift != src->x_chroma_shift ||
+ dst->y_chroma_shift != src->y_chroma_shift ||
+ dst->fmt != src->fmt + AOM_IMG_FMT_HIGHBITDEPTH || input_shift < 0) {
+ fatal("Unsupported image conversion");
+ }
+ switch (src->fmt) {
+ case AOM_IMG_FMT_I420:
+ case AOM_IMG_FMT_I422:
+ case AOM_IMG_FMT_I444: break;
+ default: fatal("Unsupported image conversion"); break;
+ }
+ for (plane = 0; plane < 3; plane++) {
+ int w = src->d_w;
+ int h = src->d_h;
+ int x, y;
+ if (plane) {
+ w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
+ h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
+ }
+ for (y = 0; y < h; y++) {
+ const uint8_t *p_src = src->planes[plane] + y * src->stride[plane];
+ uint16_t *p_dst =
+ (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
+ for (x = 0; x < w; x++) {
+ *p_dst++ = (*p_src++ << input_shift) + offset;
+ }
+ }
+ }
+}
+
+void aom_img_upshift(aom_image_t *dst, const aom_image_t *src,
+ int input_shift) {
+ if (src->fmt & AOM_IMG_FMT_HIGHBITDEPTH) {
+ highbd_img_upshift(dst, src, input_shift);
+ } else {
+ lowbd_img_upshift(dst, src, input_shift);
+ }
+}
+
+void aom_img_truncate_16_to_8(aom_image_t *dst, const aom_image_t *src) {
+ int plane;
+ if (dst->fmt + AOM_IMG_FMT_HIGHBITDEPTH != src->fmt || dst->d_w != src->d_w ||
+ dst->d_h != src->d_h || dst->x_chroma_shift != src->x_chroma_shift ||
+ dst->y_chroma_shift != src->y_chroma_shift) {
+ fatal("Unsupported image conversion");
+ }
+ switch (dst->fmt) {
+ case AOM_IMG_FMT_I420:
+ case AOM_IMG_FMT_I422:
+ case AOM_IMG_FMT_I444: break;
+ default: fatal("Unsupported image conversion"); break;
+ }
+ for (plane = 0; plane < 3; plane++) {
+ int w = src->d_w;
+ int h = src->d_h;
+ int x, y;
+ if (plane) {
+ w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
+ h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
+ }
+ for (y = 0; y < h; y++) {
+ const uint16_t *p_src =
+ (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
+ uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
+ for (x = 0; x < w; x++) {
+ *p_dst++ = (uint8_t)(*p_src++);
+ }
+ }
+ }
+}
+
+static void highbd_img_downshift(aom_image_t *dst, const aom_image_t *src,
+ int down_shift) {
+ int plane;
+ if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
+ dst->x_chroma_shift != src->x_chroma_shift ||
+ dst->y_chroma_shift != src->y_chroma_shift || dst->fmt != src->fmt ||
+ down_shift < 0) {
+ fatal("Unsupported image conversion");
+ }
+ switch (src->fmt) {
+ case AOM_IMG_FMT_I42016:
+ case AOM_IMG_FMT_I42216:
+ case AOM_IMG_FMT_I44416: break;
+ default: fatal("Unsupported image conversion"); break;
+ }
+ for (plane = 0; plane < 3; plane++) {
+ int w = src->d_w;
+ int h = src->d_h;
+ int x, y;
+ if (plane) {
+ w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
+ h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
+ }
+ for (y = 0; y < h; y++) {
+ const uint16_t *p_src =
+ (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
+ uint16_t *p_dst =
+ (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
+ for (x = 0; x < w; x++) *p_dst++ = *p_src++ >> down_shift;
+ }
+ }
+}
+
+static void lowbd_img_downshift(aom_image_t *dst, const aom_image_t *src,
+ int down_shift) {
+ int plane;
+ if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
+ dst->x_chroma_shift != src->x_chroma_shift ||
+ dst->y_chroma_shift != src->y_chroma_shift ||
+ src->fmt != dst->fmt + AOM_IMG_FMT_HIGHBITDEPTH || down_shift < 0) {
+ fatal("Unsupported image conversion");
+ }
+ switch (dst->fmt) {
+ case AOM_IMG_FMT_I420:
+ case AOM_IMG_FMT_I422:
+ case AOM_IMG_FMT_I444: break;
+ default: fatal("Unsupported image conversion"); break;
+ }
+ for (plane = 0; plane < 3; plane++) {
+ int w = src->d_w;
+ int h = src->d_h;
+ int x, y;
+ if (plane) {
+ w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
+ h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
+ }
+ for (y = 0; y < h; y++) {
+ const uint16_t *p_src =
+ (const uint16_t *)(src->planes[plane] + y * src->stride[plane]);
+ uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
+ for (x = 0; x < w; x++) {
+ *p_dst++ = *p_src++ >> down_shift;
+ }
+ }
+ }
+}
+
+void aom_img_downshift(aom_image_t *dst, const aom_image_t *src,
+ int down_shift) {
+ if (dst->fmt & AOM_IMG_FMT_HIGHBITDEPTH) {
+ highbd_img_downshift(dst, src, down_shift);
+ } else {
+ lowbd_img_downshift(dst, src, down_shift);
+ }
+}
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