Showing the changes to libavfilter/src_buffer.c (1 of 1 file). Show all
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| @@ -69,6 +69,28 @@ typedef struct { · 68 unmodified lines | ||
| 69 | 69 | return AVERROR(EINVAL);\ |
| 70 | 70 | } |
| 71 | 71 | |
| 72 | +static int insert_filter(BufferSourceContext *abuffer, | |
| 73 | + AVFilterLink *link, AVFilterContext **filt_ctx, | |
| 74 | + const char *filt_name); | |
| 75 | +static void remove_filter(AVFilterContext **filt_ctx); | |
| 76 | +static int reconfigure_filter(BufferSourceContext *abuffer, AVFilterContext *filt_ctx); | |
| 77 | + | |
| 78 | +static inline void log_input_change(void *ctx, AVFilterLink *link, AVFilterBufferRef *ref) | |
| 79 | +{ | |
| 80 | + char old_layout_str[16], new_layout_str[16]; | |
| 81 | + av_get_channel_layout_string(old_layout_str, sizeof(old_layout_str), | |
| 82 | + -1, link->channel_layout); | |
| 83 | + av_get_channel_layout_string(new_layout_str, sizeof(new_layout_str), | |
| 84 | + -1, ref->audio->channel_layout); | |
| 85 | + av_log(ctx, AV_LOG_INFO, | |
| 86 | + "Audio input format changed: " | |
| 87 | + "%s:%s:%d -> %s:%s:%d, normalizing\n", | |
| 88 | + av_get_sample_fmt_name(link->format), | |
| 89 | + old_layout_str, (int)link->sample_rate, | |
| 90 | + av_get_sample_fmt_name(ref->format), | |
| 91 | + new_layout_str, ref->audio->sample_rate); | |
| 92 | +} | |
| 93 | + | |
| 72 | 94 | static int check_format_change_video(AVFilterContext *buffer_filter, |
| 73 | 95 | AVFilterBufferRef *picref) |
| 74 | 96 | { |
| @@ -122,12 +144,72 @@ static int check_format_change_video(AVFilterContext *buffer_filter, · 47 unmodified lines | ||
| 122 | 144 | return 0; |
| 123 | 145 | } |
| 124 | 146 | |
| 147 | +static int check_format_change_audio(AVFilterContext *ctx, | |
| 148 | + AVFilterBufferRef *samplesref) | |
| 149 | +{ | |
| 150 | + BufferSourceContext *abuffer = ctx->priv; | |
| 151 | + AVFilterLink *link; | |
| 152 | + int ret, logged = 0; | |
| 153 | + | |
| 154 | + link = ctx->outputs[0]; | |
| 155 | + if (samplesref->audio->sample_rate != link->sample_rate) { | |
| 156 | + | |
| 157 | + log_input_change(ctx, link, samplesref); | |
| 158 | + logged = 1; | |
| 159 | + | |
| 160 | + abuffer->sample_rate = samplesref->audio->sample_rate; | |
| 161 | + | |
| 162 | + if (!abuffer->aresample) { | |
| 163 | + ret = insert_filter(abuffer, link, &abuffer->aresample, "aresample"); | |
| 164 | + if (ret < 0) return ret; | |
| 165 | + } else { | |
| 166 | + link = abuffer->aresample->outputs[0]; | |
| 167 | + if (samplesref->audio->sample_rate == link->sample_rate) | |
| 168 | + remove_filter(&abuffer->aresample); | |
| 169 | + else | |
| 170 | + if ((ret = reconfigure_filter(abuffer, abuffer->aresample)) < 0) | |
| 171 | + return ret; | |
| 172 | + } | |
| 173 | + } | |
| 174 | + | |
| 175 | + link = ctx->outputs[0]; | |
| 176 | + if (samplesref->format != link->format || | |
| 177 | + samplesref->audio->channel_layout != link->channel_layout || | |
| 178 | + samplesref->audio->planar != link->planar) { | |
| 179 | + | |
| 180 | + if (!logged) log_input_change(ctx, link, samplesref); | |
| 181 | + | |
| 182 | + abuffer->sample_format = samplesref->format; | |
| 183 | + abuffer->channel_layout = samplesref->audio->channel_layout; | |
| 184 | + abuffer->packing_format = samplesref->audio->planar; | |
| 185 | + | |
| 186 | + if (!abuffer->aconvert) { | |
| 187 | + ret = insert_filter(abuffer, link, &abuffer->aconvert, "aconvert"); | |
| 188 | + if (ret < 0) return ret; | |
| 189 | + } else { | |
| 190 | + link = abuffer->aconvert->outputs[0]; | |
| 191 | + if (samplesref->format == link->format && | |
| 192 | + samplesref->audio->channel_layout == link->channel_layout && | |
| 193 | + samplesref->audio->planar == link->planar | |
| 194 | + ) | |
| 195 | + remove_filter(&abuffer->aconvert); | |
| 196 | + else | |
| 197 | + if ((ret = reconfigure_filter(abuffer, abuffer->aconvert)) < 0) | |
| 198 | + return ret; | |
| 199 | + } | |
| 200 | + } | |
| 201 | + | |
| 202 | + return 0; | |
| 203 | +} | |
| 204 | + | |
| 125 | 205 | static int check_format_change(AVFilterContext *buffer_filter, |
| 126 | 206 | AVFilterBufferRef *picref) |
| 127 | 207 | { |
| 128 | 208 | switch (buffer_filter->outputs[0]->type) { |
| 129 | 209 | case AVMEDIA_TYPE_VIDEO: |
| 130 | 210 | return check_format_change_video(buffer_filter, picref); |
| 211 | + case AVMEDIA_TYPE_AUDIO: | |
| 212 | + return check_format_change_audio(buffer_filter, picref); | |
| 131 | 213 | default: |
| 132 | 214 | return AVERROR(ENOSYS); |
| 133 | 215 | } |
| @@ -484,29 +566,12 @@ static void remove_filter(AVFilterContext **filt_ctx) · 350 unmodified lines | ||
| 484 | 566 | set_link_source(src, outlink); |
| 485 | 567 | } |
| 486 | 568 | |
| 487 | −static inline void log_input_change(void *ctx, AVFilterLink *link, AVFilterBufferRef *ref) | |
| 488 | −{ | |
| 489 | − char old_layout_str[16], new_layout_str[16]; | |
| 490 | − av_get_channel_layout_string(old_layout_str, sizeof(old_layout_str), | |
| 491 | − -1, link->channel_layout); | |
| 492 | − av_get_channel_layout_string(new_layout_str, sizeof(new_layout_str), | |
| 493 | − -1, ref->audio->channel_layout); | |
| 494 | − av_log(ctx, AV_LOG_INFO, | |
| 495 | − "Audio input format changed: " | |
| 496 | − "%s:%s:%d -> %s:%s:%d, normalizing\n", | |
| 497 | − av_get_sample_fmt_name(link->format), | |
| 498 | − old_layout_str, (int)link->sample_rate, | |
| 499 | − av_get_sample_fmt_name(ref->format), | |
| 500 | − new_layout_str, ref->audio->sample_rate); | |
| 501 | −} | |
| 502 | − | |
| 503 | 569 | int av_asrc_buffer_add_audio_buffer_ref(AVFilterContext *ctx, |
| 504 | 570 | AVFilterBufferRef *samplesref, |
| 505 | 571 | int av_unused flags) |
| 506 | 572 | { |
| 507 | 573 | BufferSourceContext *abuffer = ctx->priv; |
| 508 | − AVFilterLink *link; | |
| 509 | − int ret, logged = 0; | |
| 574 | + int ret; | |
| 510 | 575 | |
| 511 | 576 | if (av_fifo_space(abuffer->fifo) < sizeof(samplesref)) { |
| 512 | 577 | av_log(ctx, AV_LOG_ERROR, |
| @@ -515,55 +580,9 @@ int av_asrc_buffer_add_audio_buffer_ref(AVFilterContext *ctx, · 2 unmodified lines | ||
| 515 | 580 | return AVERROR(EINVAL); |
| 516 | 581 | } |
| 517 | 582 | |
| 518 | − // Normalize input | |
| 519 | − | |
| 520 | − link = ctx->outputs[0]; | |
| 521 | − if (samplesref->audio->sample_rate != link->sample_rate) { | |
| 522 | − | |
| 523 | − log_input_change(ctx, link, samplesref); | |
| 524 | − logged = 1; | |
| 525 | − | |
| 526 | − abuffer->sample_rate = samplesref->audio->sample_rate; | |
| 527 | − | |
| 528 | − if (!abuffer->aresample) { | |
| 529 | − ret = insert_filter(abuffer, link, &abuffer->aresample, "aresample"); | |
| 530 | − if (ret < 0) return ret; | |
| 531 | − } else { | |
| 532 | − link = abuffer->aresample->outputs[0]; | |
| 533 | − if (samplesref->audio->sample_rate == link->sample_rate) | |
| 534 | − remove_filter(&abuffer->aresample); | |
| 535 | − else | |
| 536 | − if ((ret = reconfigure_filter(abuffer, abuffer->aresample)) < 0) | |
| 537 | − return ret; | |
| 538 | − } | |
| 539 | − } | |
| 540 | − | |
| 541 | − link = ctx->outputs[0]; | |
| 542 | − if (samplesref->format != link->format || | |
| 543 | − samplesref->audio->channel_layout != link->channel_layout || | |
| 544 | − samplesref->audio->planar != link->planar) { | |
| 545 | − | |
| 546 | − if (!logged) log_input_change(ctx, link, samplesref); | |
| 547 | − | |
| 548 | − abuffer->sample_format = samplesref->format; | |
| 549 | − abuffer->channel_layout = samplesref->audio->channel_layout; | |
| 550 | − abuffer->packing_format = samplesref->audio->planar; | |
| 551 | − | |
| 552 | − if (!abuffer->aconvert) { | |
| 553 | − ret = insert_filter(abuffer, link, &abuffer->aconvert, "aconvert"); | |
| 554 | − if (ret < 0) return ret; | |
| 555 | − } else { | |
| 556 | − link = abuffer->aconvert->outputs[0]; | |
| 557 | − if (samplesref->format == link->format && | |
| 558 | − samplesref->audio->channel_layout == link->channel_layout && | |
| 559 | − samplesref->audio->planar == link->planar | |
| 560 | − ) | |
| 561 | − remove_filter(&abuffer->aconvert); | |
| 562 | − else | |
| 563 | − if ((ret = reconfigure_filter(abuffer, abuffer->aconvert)) < 0) | |
| 564 | − return ret; | |
| 565 | − } | |
| 566 | − } | |
| 583 | + ret = check_format_change(ctx, samplesref); | |
| 584 | + if (ret < 0) | |
| 585 | + return ret; | |
| 567 | 586 | |
| 568 | 587 | if (sizeof(samplesref) != av_fifo_generic_write(abuffer->fifo, &samplesref, |
| 569 | 588 | sizeof(samplesref), NULL)) { |