> 在 2019年9月16日，09:03，lance.lmw...@gmail.com 写道：
>
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavformat/hlsenc.c | 64 ++++++++++++++++++++++----------------------
> 1 file changed, 32 insertions(+), 32 deletions(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 21fb9d7a1d..6dc92b786e 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -590,7 +590,7 @@ static int hls_delete_old_segments(AVFormatContext *s,
> HLSContext *hls,
> if ((ret = vs->vtt_avf->io_open(vs->vtt_avf, &out, sub_path,
> AVIO_FLAG_WRITE, &options)) < 0) {
> if (hls->ignore_io_errors)
> ret = 0;
> - av_free(sub_path);
> + av_freep(&sub_path);
> goto fail;
> }
> ff_format_io_close(vs->vtt_avf, &out);
> @@ -598,18 +598,18 @@ static int hls_delete_old_segments(AVFormatContext *s,
> HLSContext *hls,
> av_log(hls, AV_LOG_ERROR, "failed to delete old segment %s:
> %s\n",
> sub_path, strerror(errno));
> }
> - av_free(sub_path);
> + av_freep(&sub_path);
> }
> av_freep(&path);
> previous_segment = segment;
> segment = previous_segment->next;
> - av_free(previous_segment);
> + av_freep(&previous_segment);
> }
>
> fail:
> - av_free(path);
> - av_free(dirname);
> - av_free(vtt_dirname);
> + av_freep(&path);
> + av_freep(&dirname);
> + av_freep(&vtt_dirname);
>
> return ret;
> }
> @@ -887,7 +887,7 @@ static int sls_flags_filename_process(struct
> AVFormatContext *s, HLSContext *hls
> strlen(vs->current_segment_final_filename_fmt)) {
> char * new_url = av_strdup(vs->current_segment_final_filename_fmt);
> if (!new_url) {
> - av_free(en);
> + av_freep(&en);
> return AVERROR(ENOMEM);
> }
> ff_format_set_url(vs->avf, new_url);
> @@ -898,8 +898,8 @@ static int sls_flags_filename_process(struct
> AVFormatContext *s, HLSContext *hls
> "Invalid second level segment filename template '%s', "
> "you can try to remove second_level_segment_size
> flag\n",
> vs->avf->url);
> - av_free(filename);
> - av_free(en);
> + av_freep(&filename);
> + av_freep(&en);
> return AVERROR(EINVAL);
> }
> ff_format_set_url(vs->avf, filename);
> @@ -912,8 +912,8 @@ static int sls_flags_filename_process(struct
> AVFormatContext *s, HLSContext *hls
> "Invalid second level segment filename template '%s', "
> "you can try to remove second_level_segment_time
> flag\n",
> vs->avf->url);
> - av_free(filename);
> - av_free(en);
> + av_freep(&filename);
> + av_freep(&en);
> return AVERROR(EINVAL);
> }
> ff_format_set_url(vs->avf, filename);
> @@ -985,7 +985,7 @@ static int
> sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, V
> av_log(c, AV_LOG_ERROR, "Invalid second level segment filename
> template '%s', "
> "you can try to remove second_level_segment_index flag\n",
> oc->url);
> - av_free(filename);
> + av_freep(&filename);
> return AVERROR(EINVAL);
> }
> ff_format_set_url(oc, filename);
> @@ -999,7 +999,7 @@ static int
> sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, V
> av_log(c, AV_LOG_ERROR, "Invalid second level segment
> filename template '%s', "
> "you can try to remove second_level_segment_size
> flag\n",
> oc->url);
> - av_free(filename);
> + av_freep(&filename);
> return AVERROR(EINVAL);
> }
> ff_format_set_url(oc, filename);
> @@ -1010,7 +1010,7 @@ static int
> sls_flag_use_localtime_filename(AVFormatContext *oc, HLSContext *c, V
> av_log(c, AV_LOG_ERROR, "Invalid second level segment
> filename template '%s', "
> "you can try to remove second_level_segment_time
> flag\n",
> oc->url);
> - av_free(filename);
> + av_freep(&filename);
> return AVERROR(EINVAL);
> }
> ff_format_set_url(oc, filename);
> @@ -1098,7 +1098,7 @@ static int hls_append_segment(struct AVFormatContext
> *s, HLSContext *hls,
> if ((ret = hls_delete_old_segments(s, hls, vs)) < 0)
> return ret;
> } else
> - av_free(en);
> + av_freep(&en);
> } else
> vs->nb_entries++;
>
> @@ -1207,7 +1207,7 @@ static void hls_free_segments(HLSSegment *p)
> while (p) {
> en = p;
> p = p->next;
> - av_free(en);
> + av_freep(&en);
> }
> }
>
> @@ -1574,7 +1574,7 @@ static int hls_start(AVFormatContext *s, VariantStream
> *vs)
> #else
> vs->basename, 'd', vs->sequence) < 1) {
> #endif
> - av_free(filename);
> + av_freep(&filename);
> av_log(oc, AV_LOG_ERROR, "Invalid segment filename template
> '%s', you can try to use -strftime 1 with it\n", vs->basename);
> return AVERROR(EINVAL);
> }
> @@ -1619,7 +1619,7 @@ static int hls_start(AVFormatContext *s, VariantStream
> *vs)
> #else
> vs->basename, 'd', vs->sequence) < 1) {
> #endif
> - av_free(filename);
> + av_freep(&filename);
> av_log(oc, AV_LOG_ERROR, "Invalid segment filename template
> '%s' you can try to use -strftime 1 with it\n", vs->basename);
> return AVERROR(EINVAL);
> }
> @@ -1633,7 +1633,7 @@ static int hls_start(AVFormatContext *s, VariantStream
> *vs)
> #else
> vs->vtt_basename, 'd', vs->sequence) < 1) {
> #endif
> - av_free(filename);
> + av_freep(&filename);
> av_log(vtt_oc, AV_LOG_ERROR, "Invalid segment filename
> template '%s'\n", vs->vtt_basename);
> return AVERROR(EINVAL);
> }
> @@ -2096,7 +2096,7 @@ static int update_variant_stream_info(AVFormatContext
> *s)
> hls->var_streams[0].streams = av_mallocz(sizeof(AVStream *) *
> hls->var_streams[0].nb_streams);
> if (!hls->var_streams[0].streams) {
> - av_free(hls->var_streams);
> + av_freep(&hls->var_streams);
> return AVERROR(ENOMEM);
> }
>
> @@ -2104,7 +2104,7 @@ static int update_variant_stream_info(AVFormatContext
> *s)
> if (hls->nb_ccstreams) {
> hls->var_streams[0].ccgroup =
> av_strdup(hls->cc_streams[0].ccgroup);
> if (!hls->var_streams[0].ccgroup) {
> - av_free(hls->var_streams);
> + av_freep(&hls->var_streams);
> return AVERROR(ENOMEM);
> }
> }
> @@ -2301,7 +2301,7 @@ static int hls_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> if (!vs->init_range_length) {
> range_length = avio_close_dyn_buf(oc->pb, &buffer);
> avio_write(vs->out, buffer, range_length);
> - av_free(buffer);
> + av_freep(&buffer);
> vs->init_range_length = range_length;
> avio_open_dyn_buf(&oc->pb);
> vs->packets_written = 0;
> @@ -2370,8 +2370,8 @@ static int hls_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> reflush_dynbuf(vs, &range_length);
> ret = hlsenc_io_close(s, &vs->out, filename);
> }
> - av_free(vs->temp_buffer);
> - av_free(filename);
> + av_freep(&vs->temp_buffer);
> + av_freep(&filename);
> }
> }
>
> @@ -2389,7 +2389,7 @@ static int hls_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> vs->end_pts = pkt->pts;
> vs->duration = 0;
> if (ret < 0) {
> - av_free(old_filename);
> + av_freep(&old_filename);
> return ret;
> }
> }
> @@ -2401,7 +2401,7 @@ static int hls_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> ff_format_io_close(s, &vs->out);
> vs->out = NULL;
> if ((ret = hls_window(s, 0, vs)) < 0) {
> - av_free(old_filename);
> + av_freep(&old_filename);
> return ret;
> }
> }
> @@ -2427,7 +2427,7 @@ static int hls_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> sls_flag_file_rename(hls, vs, old_filename);
> ret = hls_start(s, vs);
> }
> - av_free(old_filename);
> + av_freep(&old_filename);
>
> if (ret < 0) {
> return ret;
> @@ -2514,7 +2514,7 @@ static int hls_write_trailer(struct AVFormatContext *s)
> filename = av_asprintf("%s", oc->url);
> }
> if (!filename) {
> - av_free(old_filename);
> + av_freep(&old_filename);
> return AVERROR(ENOMEM);
> }
>
> @@ -2527,7 +2527,7 @@ static int hls_write_trailer(struct AVFormatContext *s)
>
> range_length = avio_close_dyn_buf(oc->pb, &buffer);
> avio_write(vs->out, buffer, range_length);
> - av_free(buffer);
> + av_freep(&buffer);
> vs->init_range_length = range_length;
> avio_open_dyn_buf(&oc->pb);
> vs->packets_written = 0;
> @@ -2569,10 +2569,10 @@ static int hls_write_trailer(struct AVFormatContext
> *s)
> if (ret < 0)
> av_log(s, AV_LOG_WARNING, "Failed to upload file '%s' at the
> end.\n", oc->url);
> }
> - av_free(vs->temp_buffer);
> + av_freep(&vs->temp_buffer);
>
> failed:
> - av_free(filename);
> + av_freep(&filename);
> av_write_trailer(oc);
> if (oc->url[0]) {
> proto = avio_find_protocol_name(oc->url);
> @@ -2582,7 +2582,7 @@ failed:
> // rename that segment from .tmp to the real one
> if (use_temp_file && !(hls->flags & HLS_SINGLE_FILE)) {
> hls_rename_temp_file(s, oc);
> - av_free(old_filename);
> + av_freep(&old_filename);
> old_filename = av_strdup(oc->url);
>
> if (!old_filename) {
> --
> 2.21.0
>
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patchset pushed
Thanks
Steven
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