tiffenc: Check av_malloc() results.

(cherry picked from commit b92dfb56d4582633571db18c3d904f8602eaa2a6)

Conflicts:

	libavcodec/tiffenc.c

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Alex Converse 2012-09-19 11:12:58 -07:00 committed by Reinhard Tartler
parent ec6719f655
commit 549b8083d6

View File

@ -305,6 +305,10 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
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;
@ -312,6 +316,7 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
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;
}
}
@ -324,6 +329,10 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
zlen = bytes_per_row * s->rps;
zbuf = av_malloc(zlen);
if (!zbuf) {
ret = AVERROR(ENOMEM);
goto fail;
}
strip_offsets[0] = ptr - buf;
zn = 0;
for (j = 0; j < s->rps; j++) {
@ -348,8 +357,13 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
} 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){