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Remove unused init_ffmpeg_faux_riff

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Superseded by init_ffmpeg_header_offset and various ffmpeg_make_riff_x
This commit is contained in:
bnnm 2017-01-14 22:29:47 +01:00
parent d3ba419aa9
commit 07c179e51c
2 changed files with 0 additions and 52 deletions
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51
src/meta/ffmpeg.c
View File

@ -194,57 +194,6 @@ ffmpeg_codec_data * init_ffmpeg_offset(STREAMFILE *streamFile, uint64_t start, u
}
/**
* Manually init FFmpeg, from an offset and creating a fake RIFF from a streamfile.
*/
ffmpeg_codec_data * init_ffmpeg_faux_riff(STREAMFILE *streamFile, int64_t fmt_offset, uint64_t start, uint64_t size, int big_endian) {
if (fmt_offset > 0) {
size_t header_size = 0;
int max_header_size = (int)(start - fmt_offset);
uint8_t p[100];
if (max_header_size < 18 || max_header_size > 100)
goto fail;
//p = av_malloc(max_header_size + 8 + 4 + 8 + 8);
//if (!p) goto fail;
if (read_streamfile(p + 8 + 4 + 8, fmt_offset, max_header_size, streamFile) != max_header_size)
goto fail;
if (big_endian) {
int shift = 8 + 4 + 8;
put_16bitLE(p+shift, get_16bitBE(p));
put_16bitLE(p+shift + 2, get_16bitBE(p + 2));
put_32bitLE(p+shift + 4, get_32bitBE(p + 4));
put_32bitLE(p+shift + 8, get_32bitBE(p + 8));
put_16bitLE(p+shift + 12, get_16bitBE(p + 12));
put_16bitLE(p+shift + 14, get_16bitBE(p + 14));
put_16bitLE(p+shift + 16, get_16bitBE(p + 16));
}
header_size = 8 + 4 + 8 + 8 + 18 + get_16bitLE(p + 8 + 4 + 8 + 16);
// Meh, dunno how to handle swapping the extra data
// FFmpeg doesn't need most of this data anyway
if ((unsigned)(get_16bitLE(p + 8 + 4 + 8) - 0x165) < 2)
memset(p + 8 + 4 + 8 + 18, 0, 34);
// Fill out the RIFF structure
memcpy(p, "RIFF", 4);
put_32bitLE(p + 4, header_size + size - 8);
memcpy(p + 8, "WAVE", 4);
memcpy(p + 12, "fmt ", 4);
put_32bitLE(p + 16, 18 + get_16bitLE(p + 8 + 4 + 8 + 16));
memcpy(p + header_size - 8, "data", 4);
put_32bitLE(p + header_size - 4, size);
return init_ffmpeg_header_offset(streamFile, p, header_size, start, size);
}
else {
return init_ffmpeg_header_offset(streamFile, NULL, 0, start, size);
}
fail:
return NULL;
}
/**
* Manually init FFmpeg, from a fake header / offset.
*

1
src/meta/meta.h
View File

@ -120,7 +120,6 @@ VGMSTREAM * init_vgmstream_hca(STREAMFILE *streamFile);
VGMSTREAM * init_vgmstream_hca_offset(STREAMFILE *streamFile, uint64_t start, uint64_t size);
#ifdef VGM_USE_FFMPEG
ffmpeg_codec_data * init_ffmpeg_faux_riff(STREAMFILE *streamFile, int64_t fmt_offset, uint64_t stream_offset, uint64_t stream_size, int fmt_big_endian);
ffmpeg_codec_data * init_ffmpeg_offset(STREAMFILE *streamFile, uint64_t start, uint64_t size);
ffmpeg_codec_data * init_ffmpeg_header_offset(STREAMFILE *streamFile, uint8_t * header, uint64_t header_size, uint64_t start, uint64_t size);