ffmpeg: fix memleak of bitstream filter context on failure

Increase the nb_bitstream_filters value as soon as the context is allocated, so
if option parsing fails the last context is actually freed.

Reviewed-by: Josh de Kock <josh@itanimul.li>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-09-24 15:03:42 -03:00
parent 3ac76d7618
commit 449dc25f56
1 changed files with 4 additions and 4 deletions

View File

@ -1349,14 +1349,16 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
exit_program(1); exit_program(1);
} }
ost->nb_bitstream_filters++;
if (bsf_options_str && filter->priv_class) { if (bsf_options_str && filter->priv_class) {
const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters]->priv_data, NULL); const AVOption *opt = av_opt_next(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, NULL);
const char * shorthand[2] = {NULL}; const char * shorthand[2] = {NULL};
if (opt) if (opt)
shorthand[0] = opt->name; shorthand[0] = opt->name;
ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters]->priv_data, bsf_options_str, shorthand, "=", ":"); ret = av_opt_set_from_string(ost->bsf_ctx[ost->nb_bitstream_filters-1]->priv_data, bsf_options_str, shorthand, "=", ":");
if (ret < 0) { if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name); av_log(NULL, AV_LOG_ERROR, "Error parsing options for bitstream filter %s\n", bsf_name);
exit_program(1); exit_program(1);
@ -1364,8 +1366,6 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
} }
av_freep(&bsf); av_freep(&bsf);
ost->nb_bitstream_filters++;
if (*bsfs) if (*bsfs)
bsfs++; bsfs++;
} }