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refactor: cleanup unused functions

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This commit is contained in:
Adrian Shum 2022-10-16 12:34:57 +08:00
parent 7367cc4750
commit 941ceaed31
3 changed files with 0 additions and 23 deletions
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19
ffmpeg/ffmpeg.c
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@ -257,30 +257,11 @@ obtain_next_frame(AVFormatContext *fmt_ctx, AVCodecContext *dec_ctx, int stream_
return err;
}
int64_t find_duration(AVFormatContext *fmt_ctx) {
AVPacket pkt = create_packet();
int err = 0;
int64_t duration = 0;
while (err >= 0) {
err = av_read_frame(fmt_ctx, &pkt);
if (pkt.pts != AV_NOPTS_VALUE) {
AVRational time_base = fmt_ctx->streams[pkt.stream_index]->time_base;
duration = FFMAX(duration, pkt.pts * 1000000000 * time_base.num / time_base.den);
}
av_packet_unref(&pkt);
}
if (err == AVERROR_EOF) {
return duration;
}
return err;
}
ThumbContext *create_thumb_context(AVStream *stream, AVFrame *frame) {
ThumbContext *thumb_ctx = av_mallocz(sizeof *thumb_ctx);
if (!thumb_ctx) {
return thumb_ctx;
}
// thumb_ctx->n = 0;
thumb_ctx->desc = av_pix_fmt_desc_get(frame->format);
int nb_frames = 100;
if (stream->disposition & AV_DISPOSITION_ATTACHED_PIC) {

2
ffmpeg/ffmpeg.go
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@ -6,7 +6,6 @@ package ffmpeg
// #include "ffmpeg.h"
import "C"
import (
"context"
"github.com/cshum/imagor/vips/pointer"
"io"
"math"
@ -35,7 +34,6 @@ type Metadata struct {
}
type AVContext struct {
context context.Context
opaque unsafe.Pointer
reader io.Reader
seeker io.Seeker

2
ffmpeg/ffmpeg.h
View file

@ -52,8 +52,6 @@ AVPacket create_packet();
int
obtain_next_frame(AVFormatContext *fmt_ctx, AVCodecContext *dec_ctx, int stream_index, AVPacket *pkt, AVFrame **frame);
int64_t find_duration(AVFormatContext *fmt_ctx);
ThumbContext *create_thumb_context(AVStream *stream, AVFrame *frame);
void free_thumb_context(ThumbContext *thumb_ctx);