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Checking return values of av_malloc(z) and report an error in case.

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Originally committed as revision 25003 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Tobias Bindhammer 2010-08-31 07:14:47 +00:00
parent 99d7a3e862
commit d1cacdb8dd
1 changed files with 13 additions and 6 deletions
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19
libavcodec/a64multienc.c
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@ -192,14 +192,21 @@ static av_cold int a64multi_init_encoder(AVCodecContext *avctx)
c->mc_frame_counter = 0;
c->mc_use_5col = avctx->codec->id == CODEC_ID_A64_MULTI5;
c->mc_meta_charset = av_malloc (32000 * c->mc_lifetime * sizeof(int));
c->mc_best_cb = av_malloc (CHARSET_CHARS * 32 * sizeof(int));
c->mc_charmap = av_mallocz(1000 * c->mc_lifetime * sizeof(int));
c->mc_colram = av_mallocz(CHARSET_CHARS * sizeof(uint8_t));
c->mc_charset = av_malloc (0x800 * (INTERLACED+1) * sizeof(uint8_t));
if(!(c->mc_meta_charset = av_malloc (32000 * c->mc_lifetime * sizeof(int))) ||
!(c->mc_best_cb = av_malloc (CHARSET_CHARS * 32 * sizeof(int))) ||
!(c->mc_charmap = av_mallocz(1000 * c->mc_lifetime * sizeof(int))) ||
!(c->mc_colram = av_mallocz(CHARSET_CHARS * sizeof(uint8_t))) ||
!(c->mc_charset = av_malloc (0x800 * (INTERLACED+1) * sizeof(uint8_t)))) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate buffer memory.\n");
return AVERROR(ENOMEM);
}
/* set up extradata */
avctx->extradata = av_mallocz(8 * 4 + FF_INPUT_BUFFER_PADDING_SIZE);
if(!(avctx->extradata = av_mallocz(8 * 4 + FF_INPUT_BUFFER_PADDING_SIZE))) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate memory for extradata.\n");
return AVERROR(ENOMEM);
}
avctx->extradata_size = 8 * 4;
AV_WB32(avctx->extradata, c->mc_lifetime);
AV_WB32(avctx->extradata+16, INTERLACED);