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targaenc: Move size check to initialization function 

In case of bogus input, fail early at codec initialization, rather than
at the encode function.
This commit is contained in:
Vittorio Giovara 2016-06-26 20:08:53 -04:00
parent eeb6849ced
commit d8f3b0fb58
1 changed files with 5 additions and 4 deletions
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9
libavcodec/targaenc.c
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@ -89,10 +89,6 @@ static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int bpp, picsize, datasize = -1, ret;
uint8_t *out;
if(avctx->width > 0xffff || avctx->height > 0xffff) {
av_log(avctx, AV_LOG_ERROR, "image dimensions too large\n");
return AVERROR(EINVAL);
}
picsize = av_image_get_buffer_size(avctx->pix_fmt,
avctx->width, avctx->height, 1);
if ((ret = ff_alloc_packet(pkt, picsize + 45)) < 0) {
@ -167,6 +163,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
static av_cold int targa_encode_init(AVCodecContext *avctx)
{
if (avctx->width > 0xffff || avctx->height > 0xffff) {
av_log(avctx, AV_LOG_ERROR, "image dimensions too large\n");
return AVERROR(EINVAL);
}
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->key_frame = 1;