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vp56: Return meaningful error codes

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Himangi Saraogi 2015-02-14 00:10:49 +05:30 committed by Diego Biurrun
parent eea769df32
commit 7769be590c
1 changed files with 8 additions and 7 deletions
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15
libavcodec/vp56.c
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@ -473,7 +473,7 @@ static int vp56_size_changed(AVCodecContext *avctx)
if (s->mb_width > 1000 || s->mb_height > 1000) { if (s->mb_width > 1000 || s->mb_height > 1000) {
ff_set_dimensions(avctx, 0, 0); ff_set_dimensions(avctx, 0, 0);
av_log(avctx, AV_LOG_ERROR, "picture too big\n"); av_log(avctx, AV_LOG_ERROR, "picture too big\n");
return -1; return AVERROR_INVALIDDATA;
} }
s->above_blocks = av_realloc(s->above_blocks, s->above_blocks = av_realloc(s->above_blocks,
@ -501,11 +501,11 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
if (s->has_alpha) { if (s->has_alpha) {
if (remaining_buf_size < 3) if (remaining_buf_size < 3)
return -1; return AVERROR_INVALIDDATA;
alpha_offset = bytestream_get_be24(&buf); alpha_offset = bytestream_get_be24(&buf);
remaining_buf_size -= 3; remaining_buf_size -= 3;
if (remaining_buf_size < alpha_offset) if (remaining_buf_size < alpha_offset)
return -1; return AVERROR_INVALIDDATA;
} }
for (is_alpha=0; is_alpha < 1+s->has_alpha; is_alpha++) { for (is_alpha=0; is_alpha < 1+s->has_alpha; is_alpha++) {
@ -530,20 +530,21 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_frame_unref(s->frames[i]); av_frame_unref(s->frames[i]);
if (is_alpha) { if (is_alpha) {
ff_set_dimensions(avctx, 0, 0); ff_set_dimensions(avctx, 0, 0);
return -1; return AVERROR_INVALIDDATA;
} }
} }
if (!is_alpha) { if (!is_alpha) {
if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0) { int ret = ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1; return ret;
} }
if (res == VP56_SIZE_CHANGE) if (res == VP56_SIZE_CHANGE)
if (vp56_size_changed(avctx)) { if (vp56_size_changed(avctx)) {
av_frame_unref(p); av_frame_unref(p);
return -1; return AVERROR_INVALIDDATA;
} }
} }