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tiffenc: Check av_malloc() results.

This commit is contained in:
Alex Converse 2012-09-19 11:12:58 -07:00
parent 9bc055e358
commit b92dfb56d4
1 changed files with 15 additions and 1 deletions
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16
libavcodec/tiffenc.c
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@ -316,6 +316,10 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
strip_sizes = av_mallocz(sizeof(*strip_sizes) * strips);
strip_offsets = av_mallocz(sizeof(*strip_offsets) * strips);
if (!strip_sizes || !strip_offsets) {
ret = AVERROR(ENOMEM);
goto fail;
}
bytes_per_row = (((s->width - 1)/s->subsampling[0] + 1) * s->bpp
* s->subsampling[0] * s->subsampling[1] + 7) >> 3;
@ -323,6 +327,7 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
yuv_line = av_malloc(bytes_per_row);
if (yuv_line == NULL){
av_log(s->avctx, AV_LOG_ERROR, "Not enough memory\n");
ret = AVERROR(ENOMEM);
goto fail;
}
}
@ -335,6 +340,10 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
zlen = bytes_per_row * s->rps;
zbuf = av_malloc(zlen);
if (!zbuf) {
ret = AVERROR(ENOMEM);
goto fail;
}
strip_offsets[0] = ptr - pkt->data;
zn = 0;
for (j = 0; j < s->rps; j++) {
@ -359,8 +368,13 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
} else
#endif
{
if(s->compr == TIFF_LZW)
if (s->compr == TIFF_LZW) {
s->lzws = av_malloc(ff_lzw_encode_state_size);
if (!s->lzws) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
for (i = 0; i < s->height; i++) {
if (strip_sizes[i / s->rps] == 0) {
if(s->compr == TIFF_LZW){