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fftools/ffmpeg: track a list of non-lavfi outputs in InputStream

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Currently, output streams where an input stream is sent directly (i.e.
not through lavfi) are determined by iterating over ALL the output
streams and skipping the irrelevant ones. This is awkward and
inefficient.
This commit is contained in:
Anton Khirnov
2023-03-31 12:47:03 +02:00
parent 798da60e6a
commit a85e7e5dea
4 changed files with 29 additions and 12 deletions
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21
fftools/ffmpeg.c
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@@ -948,9 +948,6 @@ static int check_output_constraints(InputStream *ist, OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
if (ost->ist != ist)
return 0;
if (ost->finished & MUXER_FINISHED)
return 0;
@@ -1468,7 +1465,8 @@ static int process_subtitle(InputStream *ist, AVSubtitle *subtitle, int *got_out
if (!subtitle->num_rects)
goto out;
for (OutputStream *ost = ost_iter(NULL); ost; ost = ost_iter(ost)) {
for (int oidx = 0; oidx < ist->nb_outputs; oidx++) {
OutputStream *ost = ist->outputs[oidx];
if (!check_output_constraints(ist, ost) || !ost->enc_ctx
|| ost->enc_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)
continue;
@@ -1830,7 +1828,8 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
} else if (!ist->decoding_needed)
eof_reached = 1;
for (OutputStream *ost = ost_iter(NULL); ost; ost = ost_iter(ost)) {
for (int oidx = 0; oidx < ist->nb_outputs; oidx++) {
OutputStream *ost = ist->outputs[oidx];
if (!check_output_constraints(ist, ost) || ost->enc_ctx ||
(!pkt && no_eof))
continue;
@@ -2577,13 +2576,11 @@ static int process_input(int file_index)
}
/* mark all outputs that don't go through lavfi as finished */
for (OutputStream *ost = ost_iter(NULL); ost; ost = ost_iter(ost)) {
if (ost->ist == ist &&
(!ost->enc_ctx || ost->enc_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
OutputFile *of = output_files[ost->file_index];
close_output_stream(ost);
of_output_packet(of, ost->pkt, ost, 1);
}
for (int oidx = 0; oidx < ist->nb_outputs; oidx++) {
OutputStream *ost = ist->outputs[oidx];
OutputFile *of = output_files[ost->file_index];
close_output_stream(ost);
of_output_packet(of, ost->pkt, ost, 1);
}
}