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avcodec/alac: Avoid unspecific error codes and forward error codes

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-12-31 18:42:06 +01:00
parent 8e1b5ba538
commit 5079eca22a

View File

@ -121,7 +121,7 @@ static int rice_decompress(ALACContext *alac, int32_t *output_buffer,
unsigned int x;
if(get_bits_left(&alac->gb) <= 0)
return -1;
return AVERROR_INVALIDDATA;
/* calculate rice param and decode next value */
k = av_log2((history >> 9) + 3);
@ -317,7 +317,7 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index,
if (alac->extra_bits) {
for (i = 0; i < alac->nb_samples; i++) {
if(get_bits_left(&alac->gb) <= 0)
return -1;
return AVERROR_INVALIDDATA;
for (ch = 0; ch < channels; ch++)
alac->extra_bits_buffer[ch][i] = get_bits(&alac->gb, alac->extra_bits);
}
@ -353,7 +353,7 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index,
/* not compressed, easy case */
for (i = 0; i < alac->nb_samples; i++) {
if(get_bits_left(&alac->gb) <= 0)
return -1;
return AVERROR_INVALIDDATA;
for (ch = 0; ch < channels; ch++) {
alac->output_samples_buffer[ch][i] =
get_sbits_long(&alac->gb, alac->sample_size);
@ -555,9 +555,9 @@ static av_cold int alac_decode_init(AVCodecContext * avctx)
av_log(avctx, AV_LOG_ERROR, "extradata is too small\n");
return AVERROR_INVALIDDATA;
}
if (alac_set_info(alac)) {
if ((ret = alac_set_info(alac)) < 0) {
av_log(avctx, AV_LOG_ERROR, "set_info failed\n");
return -1;
return ret;
}
switch (alac->sample_size) {