source/libvpx/resize_util.c - Issue 232133009: libvpx: Pull from upstream

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Issue 232133009: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 6 years, 8 months ago

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1 /*

2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.

3 *

4 * Use of this source code is governed by a BSD-style license

5 * that can be found in the LICENSE file in the root of the source

6 * tree. An additional intellectual property rights grant can be found

7 * in the file PATENTS. All contributing project authors may

8 * be found in the AUTHORS file in the root of the source tree.

9 */

10

11 #include <assert.h>

12 #include <limits.h>

13 #include <math.h>

14 #include <stdio.h>

15 #include <stdlib.h>

16 #include <string.h>

17

18 #include "./vp9/encoder/vp9_resize.h"

19

20 static void usage(char *progname) {

21 printf("Usage:\n");

22 printf("%s <input_yuv> <width>x<height> <target_width>x<target_height> ",

23 progname);

24 printf("<output_yuv> [<frames>]\n");

25 }

26

27 static int parse_dim(char v, int width, int *height) {

28 char *x = strchr(v, 'x');

29 if (x == NULL)

30 x = strchr(v, 'X');

31 if (x == NULL)

32 return 0;

33 *width = atoi(v);

34 *height = atoi(&x[1]);

35 if (width <= 0 \|\| height <= 0)

36 return 0;

37 else

38 return 1;

39 }

40

41 int main(int argc, char *argv[]) {

42 char fin, fout;

43 FILE fpin, fpout;

44 uint8_t inbuf, outbuf;

45 uint8_t inbuf_u, outbuf_u;

46 uint8_t inbuf_v, outbuf_v;

47 int f, frames;

48 int width, height, target_width, target_height;

49

50 if (argc < 5) {

51 printf("Incorrect parameters:\n");

52 usage(argv[0]);

53 return 1;

54 }

55

56 fin = argv[1];

57 fout = argv[4];

58 if (!parse_dim(argv[2], &width, &height)) {

59 printf("Incorrect parameters: %s\n", argv[2]);

60 usage(argv[0]);

61 return 1;

62 }

63 if (!parse_dim(argv[3], &target_width, &target_height)) {

64 printf("Incorrect parameters: %s\n", argv[3]);

65 usage(argv[0]);

66 return 1;

67 }

68

69 fpin = fopen(fin, "rb");

70 if (fpin == NULL) {

71 printf("Can't open file %s to read\n", fin);

72 usage(argv[0]);

73 return 1;

74 }

75 fpout = fopen(fout, "wb");

76 if (fpout == NULL) {

77 printf("Can't open file %s to write\n", fout);

78 usage(argv[0]);

79 return 1;

80 }

81 if (argc >= 6)

82 frames = atoi(argv[5]);

83 else

84 frames = INT_MAX;

85

86 printf("Input size: %dx%d\n",

87 width, height);

88 printf("Target size: %dx%d, Frames: ",

89 target_width, target_height);

90 if (frames == INT_MAX)

91 printf("All\n");

92 else

93 printf("%d\n", frames);

94

95 inbuf = (uint8_t)malloc(width height * 3 / 2);

96 outbuf = (uint8_t)malloc(target_width target_height * 3 / 2);

97 inbuf_u = inbuf + width * height;

98 inbuf_v = inbuf_u + width * height / 4;

99 outbuf_u = outbuf + target_width * target_height;

100 outbuf_v = outbuf_u + target_width * target_height / 4;

101 f = 0;

102 while (f < frames) {

103 if (fread(inbuf, width * height * 3 / 2, 1, fpin) != 1)

104 break;

105 vp9_resize_frame420(inbuf, width, inbuf_u, inbuf_v, width / 2,

106 height, width,

107 outbuf, target_width, outbuf_u, outbuf_v,

108 target_width / 2,

109 target_height, target_width);

110 fwrite(outbuf, target_width * target_height * 3 / 2, 1, fpout);

111 f++;

112 }

113 printf("%d frames processed\n", f);

114 fclose(fpin);

115 fclose(fpout);

116

117 free(inbuf);

118 free(outbuf);

119 return 0;

120 }

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