Inside send_silence(), delta_ts was used inconsistently: sometimes as the new value, sometimes as the old value. Consistently use it as the new value, and add an argument to know the last segment duration.
Unified · Split
| @@ -232,7 +232,7 @@ static void close_input(AVFilterContext *ctx, unsigned in_no) · 231 unmodified lines | ||
| 232 | 232 | ctx->input_pads[in_no].name, cat->nb_in_active); |
| 233 | 233 | } |
| 234 | 234 | |
| 235 | −static void find_next_delta_ts(AVFilterContext *ctx) | |
| 235 | +static void find_next_delta_ts(AVFilterContext *ctx, int64_t *seg_delta) | |
| 236 | 236 | { |
| 237 | 237 | ConcatContext *cat = ctx->priv; |
| 238 | 238 | unsigned i = cat->cur_idx; |
| @@ -243,13 +243,15 @@ static void find_next_delta_ts(AVFilterContext *ctx) · 4 unmodified lines | ||
| 243 | 243 | for (; i < imax; i++) |
| 244 | 244 | pts = FFMAX(pts, cat->in[i].pts); |
| 245 | 245 | cat->delta_ts += pts; |
| 246 | + *seg_delta = pts; | |
| 246 | 247 | } |
| 247 | 248 | |
| 248 | −static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no) | |
| 249 | +static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no, | |
| 250 | + int64_t seg_delta) | |
| 249 | 251 | { |
| 250 | 252 | ConcatContext *cat = ctx->priv; |
| 251 | 253 | AVFilterLink *outlink = ctx->outputs[out_no]; |
| 252 | − int64_t base_pts = cat->in[in_no].pts + cat->delta_ts; | |
| 254 | + int64_t base_pts = cat->in[in_no].pts + cat->delta_ts - seg_delta; | |
| 253 | 255 | int64_t nb_samples, sent = 0; |
| 254 | 256 | int frame_nb_samples, ret; |
| 255 | 257 | AVRational rate_tb = { 1, ctx->inputs[in_no]->sample_rate }; |
| @@ -258,7 +260,7 @@ static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no) · 2 unmodified lines | ||
| 258 | 260 | |
| 259 | 261 | if (!rate_tb.den) |
| 260 | 262 | return AVERROR_BUG; |
| 261 | − nb_samples = av_rescale_q(cat->delta_ts - base_pts, | |
| 263 | + nb_samples = av_rescale_q(seg_delta - cat->in[in_no].pts, | |
| 262 | 264 | outlink->time_base, rate_tb); |
| 263 | 265 | frame_nb_samples = FFMAX(9600, rate_tb.den / 5); /* arbitrary */ |
| 264 | 266 | while (nb_samples) { |
| @@ -283,8 +285,9 @@ static int flush_segment(AVFilterContext *ctx) · 18 unmodified lines | ||
| 283 | 285 | int ret; |
| 284 | 286 | ConcatContext *cat = ctx->priv; |
| 285 | 287 | unsigned str, str_max; |
| 288 | + int64_t seg_delta; | |
| 286 | 289 | |
| 287 | − find_next_delta_ts(ctx); | |
| 290 | + find_next_delta_ts(ctx, &seg_delta); | |
| 288 | 291 | cat->cur_idx += ctx->nb_outputs; |
| 289 | 292 | cat->nb_in_active = ctx->nb_outputs; |
| 290 | 293 | av_log(ctx, AV_LOG_VERBOSE, "Segment finished at pts=%"PRId64"\n", |
| @@ -295,7 +298,8 @@ static int flush_segment(AVFilterContext *ctx) · 4 unmodified lines | ||
| 295 | 298 | str = cat->nb_streams[AVMEDIA_TYPE_VIDEO]; |
| 296 | 299 | str_max = str + cat->nb_streams[AVMEDIA_TYPE_AUDIO]; |
| 297 | 300 | for (; str < str_max; str++) { |
| 298 | − ret = send_silence(ctx, cat->cur_idx - ctx->nb_outputs + str, str); | |
| 301 | + ret = send_silence(ctx, cat->cur_idx - ctx->nb_outputs + str, str, | |
| 302 | + seg_delta); | |
| 299 | 303 | if (ret < 0) |
| 300 | 304 | return ret; |
| 301 | 305 | } |