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fftools/ffmpeg_dec: move decoding counters from InputStream to Decoder 

This is a step towards decoupling Decoder and InputStream.
This commit is contained in:
Anton Khirnov 2024-01-11 10:45:18 +01:00
parent 5b0e4f945e
commit 9be3f80527
3 changed files with 15 additions and 16 deletions
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11
fftools/ffmpeg.h
View File

@ -285,6 +285,11 @@ typedef struct Decoder {
const uint8_t *subtitle_header;
int subtitle_header_size;
// number of frames/samples retrieved from the decoder
uint64_t frames_decoded;
uint64_t samples_decoded;
uint64_t decode_errors;
} Decoder;
typedef struct InputStream {
@ -346,12 +351,6 @@ typedef struct InputStream {
enum AVHWDeviceType hwaccel_device_type;
char *hwaccel_device;
enum AVPixelFormat hwaccel_output_format;
/* stats */
// number of frames/samples retrieved from the decoder
uint64_t frames_decoded;
uint64_t samples_decoded;
uint64_t decode_errors;
} InputStream;
typedef struct InputFile {

16
fftools/ffmpeg_dec.c
View File

@ -445,14 +445,14 @@ static int transcode_subtitles(InputStream *ist, const AVPacket *pkt,
if (ret < 0) {
av_log(dp, AV_LOG_ERROR, "Error decoding subtitles: %s\n",
av_err2str(ret));
ist->decode_errors++;
dp->dec.decode_errors++;
return exit_on_error ? ret : 0;
}
if (!got_output)
return pkt ? 0 : AVERROR_EOF;
ist->frames_decoded++;
dp->dec.frames_decoded++;
// XXX the queue for transferring data to consumers runs
// on AVFrames, so we wrap AVSubtitle in an AVBufferRef and put that
@ -512,7 +512,7 @@ static int packet_decode(InputStream *ist, AVPacket *pkt, AVFrame *frame)
pkt ? "packet" : "EOF", av_err2str(ret));
if (ret != AVERROR_EOF) {
ist->decode_errors++;
dp->dec.decode_errors++;
if (!exit_on_error)
ret = 0;
}
@ -537,7 +537,7 @@ static int packet_decode(InputStream *ist, AVPacket *pkt, AVFrame *frame)
return ret;
} else if (ret < 0) {
av_log(dp, AV_LOG_ERROR, "Decoding error: %s\n", av_err2str(ret));
ist->decode_errors++;
dp->dec.decode_errors++;
if (exit_on_error)
return ret;
@ -567,7 +567,7 @@ static int packet_decode(InputStream *ist, AVPacket *pkt, AVFrame *frame)
frame->time_base = dec->pkt_timebase;
if (dec->codec_type == AVMEDIA_TYPE_AUDIO) {
ist->samples_decoded += frame->nb_samples;
dp->dec.samples_decoded += frame->nb_samples;
audio_ts_process(dp, frame);
} else {
@ -579,7 +579,7 @@ static int packet_decode(InputStream *ist, AVPacket *pkt, AVFrame *frame)
}
}
ist->frames_decoded++;
dp->dec.frames_decoded++;
ret = sch_dec_send(dp->sch, dp->sch_idx, frame);
if (ret < 0) {
@ -707,8 +707,8 @@ void *decoder_thread(void *arg)
}
ret = 0;
err_rate = (ist->frames_decoded || ist->decode_errors) ?
ist->decode_errors / (ist->frames_decoded + ist->decode_errors) : 0.f;
err_rate = (dp->dec.frames_decoded || dp->dec.decode_errors) ?
dp->dec.decode_errors / (dp->dec.frames_decoded + dp->dec.decode_errors) : 0.f;
if (err_rate > max_error_rate) {
av_log(dp, AV_LOG_FATAL, "Decode error rate %g exceeds maximum %g\n",
err_rate, max_error_rate);

4
fftools/ffmpeg_demux.c
View File

@ -796,9 +796,9 @@ static void demux_final_stats(Demuxer *d)
if (ist->decoding_needed) {
av_log(f, AV_LOG_VERBOSE,
"%"PRIu64" frames decoded; %"PRIu64" decode errors",
ist->frames_decoded, ist->decode_errors);
ist->decoder->frames_decoded, ist->decoder->decode_errors);
if (type == AVMEDIA_TYPE_AUDIO)
av_log(f, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
av_log(f, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->decoder->samples_decoded);
av_log(f, AV_LOG_VERBOSE, "; ");
}