52     WebMChunkContext *wc = s->priv_data;  in webm_chunk_init()  local
63     if (!wc->header_filename) {  in webm_chunk_init()
68     wc->prev_pts = AV_NOPTS_VALUE;  in webm_chunk_init()
74     ret = avformat_alloc_output_context2(&wc->avf, oformat, NULL, NULL);  in webm_chunk_init()
77     oc = wc->avf;  in webm_chunk_init()
79     ff_format_set_url(oc, wc->header_filename);  in webm_chunk_init()
80     wc->header_filename = NULL;  in webm_chunk_init()
105     if (wc->http_method)  in webm_chunk_init()
106         if ((ret = av_dict_set(&dict, "method", wc->http_method, 0)) < 0)  in webm_chunk_init()
116                                wc->chunk_duration, 0)) < 0 ||  in webm_chunk_init()
143     WebMChunkContext *wc = s->priv_data;  in get_chunk_filename()  local
148                               s->url, wc->chunk_index - 1) < 0) {  in get_chunk_filename()
157     WebMChunkContext *wc = s->priv_data;  in webm_chunk_write_header()  local
158     AVFormatContext *oc = wc->avf;  in webm_chunk_write_header()
163     wc->header_written = 1;  in webm_chunk_write_header()
171     WebMChunkContext *wc = s->priv_data;  in chunk_start()  local
172     AVFormatContext *oc = wc->avf;  in chunk_start()
178     wc->chunk_index++;  in chunk_start()
184     WebMChunkContext *wc = s->priv_data;  in chunk_end()  local
185     AVFormatContext *oc = wc->avf;  in chunk_end()
204     if (wc->http_method)  in chunk_end()
205         if ((ret = av_dict_set(&options, "method", wc->http_method, 0)) < 0)  in chunk_end()
220     WebMChunkContext *wc = s->priv_data;  in webm_chunk_write_packet()  local
221     AVFormatContext *oc = wc->avf;  in webm_chunk_write_packet()
226         if (wc->prev_pts != AV_NOPTS_VALUE)  in webm_chunk_write_packet()
227             wc->duration_written += av_rescale_q(pkt->pts - wc->prev_pts,  in webm_chunk_write_packet()
230         wc->prev_pts = pkt->pts;  in webm_chunk_write_packet()
239          wc->duration_written >= wc->chunk_duration)) {  in webm_chunk_write_packet()
240         wc->duration_written = 0;  in webm_chunk_write_packet()
252     WebMChunkContext *wc = s->priv_data;  in webm_chunk_write_trailer()  local
253     AVFormatContext *oc = wc->avf;  in webm_chunk_write_trailer()
269     WebMChunkContext *wc = s->priv_data;  in webm_chunk_deinit()  local
271     if (!wc->avf)  in webm_chunk_deinit()
274     if (wc->header_written)  in webm_chunk_deinit()
275         ffio_free_dyn_buf(&wc->avf->pb);  in webm_chunk_deinit()
277         ff_format_io_close(s, &wc->avf->pb);  in webm_chunk_deinit()
278     avformat_free_context(wc->avf);  in webm_chunk_deinit()
279     wc->avf = NULL;  in webm_chunk_deinit()