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dca: Return more informative error codes

This commit is contained in:
Diego Biurrun 2014-09-22 11:24:07 +02:00
parent b339019de4
commit a96f51f29a
1 changed files with 6 additions and 6 deletions
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12
libavcodec/dca_exss.c
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@ -95,7 +95,7 @@ static int dca_exss_parse_asset_header(DCAContext *s)
int i, j;
if (get_bits_left(&s->gb) < 16)
return -1;
return AVERROR_INVALIDDATA;
/* We will parse just enough to get to the extensions bitmask with which
* we can set the profile value. */
@ -114,7 +114,7 @@ static int dca_exss_parse_asset_header(DCAContext *s)
* for the asset header size field above was 512 bytes? */
int text_length = get_bits(&s->gb, 10) + 1;
if (get_bits_left(&s->gb) < text_length * 8)
return -1;
return AVERROR_INVALIDDATA;
skip_bits_long(&s->gb, text_length * 8); // info text
}
@ -147,7 +147,7 @@ static int dca_exss_parse_asset_header(DCAContext *s)
for (i = 0; i < spkr_remap_sets; i++) {
int num_dec_ch_remaps = get_bits(&s->gb, 5) + 1;
if (get_bits_left(&s->gb) < 0)
return -1;
return AVERROR_INVALIDDATA;
for (j = 0; j < num_spkrs[i]; j++) {
int remap_dec_ch_mask = get_bits_long(&s->gb, num_dec_ch_remaps);
@ -187,7 +187,7 @@ static int dca_exss_parse_asset_header(DCAContext *s)
for (i = 0; i < s->num_mix_configs; i++) {
if (get_bits_left(&s->gb) < 0)
return -1;
return AVERROR_INVALIDDATA;
dca_exss_skip_mix_coeffs(&s->gb, channels, s->mix_config_num_ch[i]);
if (embedded_6ch)
dca_exss_skip_mix_coeffs(&s->gb, 6, s->mix_config_num_ch[i]);
@ -214,11 +214,11 @@ static int dca_exss_parse_asset_header(DCAContext *s)
/* not parsed further, we were only interested in the extensions mask */
if (get_bits_left(&s->gb) < 0)
return -1;
return AVERROR_INVALIDDATA;
if (get_bits_count(&s->gb) - header_pos > header_size * 8) {
av_log(s->avctx, AV_LOG_WARNING, "Asset header size mismatch.\n");
return -1;
return AVERROR_INVALIDDATA;
}
skip_bits_long(&s->gb, header_pos + header_size * 8 - get_bits_count(&s->gb));