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| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2014-12-17 16:02:07 +0100 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2015-01-05 15:35:39 +0100 |
| commit | 1dd797e3c9f179f957316a0becbec048b42df8aa (patch) | |
| tree | 0a89c84a6b4c87c79f307e9bc6e442f85fbb9c97 /libswscale | |
| parent | 07a0c0f0005072d115ace61e60f46be68582cc3a (diff) | |
| download | ffmpeg-1dd797e3c9f179f957316a0becbec048b42df8aa.tar.gz | |
swscale: check memory allocations
CC: libav-stable@libav.org
Bug-Id: CID 1257779
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/yuv2rgb.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c index 480fbe3999..a4f7a1178e 100644 --- a/libswscale/yuv2rgb.c +++ b/libswscale/yuv2rgb.c @@ -736,9 +736,13 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], av_free(c->yuvTable); +#define ALLOC_YUV_TABLE(x) \ + c->yuvTable = av_malloc(x); \ + if (!c->yuvTable) \ + return AVERROR(ENOMEM); switch (bpp) { case 1: - c->yuvTable = av_malloc(1024); + ALLOC_YUV_TABLE(1024); y_table = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024 - 110; i++) { @@ -753,7 +757,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], rbase = isRgb ? 3 : 0; gbase = 1; bbase = isRgb ? 0 : 3; - c->yuvTable = av_malloc(1024 * 3); + ALLOC_YUV_TABLE(1024 * 3); y_table = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024 - 110; i++) { @@ -772,7 +776,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], rbase = isRgb ? 5 : 0; gbase = isRgb ? 2 : 3; bbase = isRgb ? 0 : 6; - c->yuvTable = av_malloc(1024 * 3); + ALLOC_YUV_TABLE(1024 * 3); y_table = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024 - 38; i++) { @@ -791,7 +795,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], rbase = isRgb ? 8 : 0; gbase = 4; bbase = isRgb ? 0 : 8; - c->yuvTable = av_malloc(1024 * 3 * 2); + ALLOC_YUV_TABLE(1024 * 3 * 2); y_table16 = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024; i++) { @@ -814,7 +818,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], rbase = isRgb ? bpp - 5 : 0; gbase = 5; bbase = isRgb ? 0 : (bpp - 5); - c->yuvTable = av_malloc(1024 * 3 * 2); + ALLOC_YUV_TABLE(1024 * 3 * 2); y_table16 = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024; i++) { @@ -834,7 +838,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], break; case 24: case 48: - c->yuvTable = av_malloc(1024); + ALLOC_YUV_TABLE(1024); y_table = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024; i++) { @@ -855,7 +859,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat); if (!needAlpha) abase = (base + 24) & 31; - c->yuvTable = av_malloc(1024 * 3 * 4); + ALLOC_YUV_TABLE(1024 * 3 * 4); y_table32 = c->yuvTable; yb = -(384 << 16) - oy; for (i = 0; i < 1024; i++) { |