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[WIP] Player V2

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This commit is contained in:
Isaac
2024-12-23 21:43:37 +08:00
parent d9957ecf4e
commit d1934371fe
13 changed files with 1012 additions and 1277 deletions
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28
submodules/FFMpegBinding/Sources/FFMpegAVFormatContext.m
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@@ -11,6 +11,7 @@ int FFMpegCodecIdH264 = AV_CODEC_ID_H264;
int FFMpegCodecIdHEVC = AV_CODEC_ID_HEVC;
int FFMpegCodecIdMPEG4 = AV_CODEC_ID_MPEG4;
int FFMpegCodecIdVP9 = AV_CODEC_ID_VP9;
int FFMpegCodecIdVP8 = AV_CODEC_ID_VP8;
int FFMpegCodecIdAV1 = AV_CODEC_ID_AV1;
@interface FFMpegAVFormatContext () {
@@ -70,6 +71,11 @@ int FFMpegCodecIdAV1 = AV_CODEC_ID_AV1;
av_seek_frame(_impl, streamIndex, pts, options);
}
- (void)seekFrameForStreamIndex:(int32_t)streamIndex byteOffset:(int64_t)byteOffset {
int options = AVSEEK_FLAG_BYTE;
av_seek_frame(_impl, streamIndex, byteOffset, options);
}
- (bool)readFrameIntoPacket:(FFMpegPacket *)packet {
int result = av_read_frame(_impl, (AVPacket *)[packet impl]);
return result >= 0;
@@ -117,6 +123,28 @@ int FFMpegCodecIdAV1 = AV_CODEC_ID_AV1;
return _impl->streams[streamIndex]->duration;
}
- (int)numberOfIndexEntriesAtStreamIndex:(int32_t)streamIndex {
return avformat_index_get_entries_count(_impl->streams[streamIndex]);
}
- (bool)fillIndexEntryAtStreamIndex:(int32_t)streamIndex entryIndex:(int32_t)entryIndex outEntry:(FFMpegAVIndexEntry * _Nonnull)outEntry {
const AVIndexEntry *entry = avformat_index_get_entry(_impl->streams[streamIndex], entryIndex);
if (!entry) {
outEntry->pos = -1;
outEntry->timestamp = 0;
outEntry->isKeyframe = false;
outEntry->size = 0;
return false;
}
outEntry->pos = entry->pos;
outEntry->timestamp = entry->timestamp;
outEntry->isKeyframe = (entry->flags & AVINDEX_KEYFRAME) != 0;
outEntry->size = entry->size;
return true;
}
- (bool)codecParamsAtStreamIndex:(int32_t)streamIndex toContext:(FFMpegAVCodecContext *)context {
int result = avcodec_parameters_to_context((AVCodecContext *)[context impl], _impl->streams[streamIndex]->codecpar);
return result >= 0;