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matroskademux: Unify zlib/bzip2 decompress loops with the ones from qtdemux

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Especially, simplify the code a bit.
This commit is contained in:
Sebastian Dröge 2016-12-01 14:56:18 +02:00
parent 6939399e96
commit d3bc50bc8f
1 changed files with 23 additions and 19 deletions
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42
gst/matroska/matroska-read-common.c
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@ -106,25 +106,27 @@ gst_matroska_decompress_data (GstMatroskaTrackEncoding * enc,
do {
result = inflate (&zstream, Z_NO_FLUSH);
if (result != Z_OK && result != Z_STREAM_END) {
GST_WARNING ("zlib decompression failed.");
g_free (new_data);
inflateEnd (&zstream);
if (result == Z_STREAM_END) {
break;
} else if (result != Z_OK) {
GST_WARNING ("inflate() returned %d", result);
break;
}
new_size += 4000;
new_size += 4096;
new_data = g_realloc (new_data, new_size);
zstream.next_out = (Bytef *) (new_data + zstream.total_out);
zstream.avail_out += 4000;
} while (zstream.avail_in != 0 && result != Z_STREAM_END);
zstream.avail_out += 4096;
} while (zstream.avail_in > 0);
if (result != Z_STREAM_END) {
ret = FALSE;
goto out;
g_free (new_data);
} else {
new_size = zstream.total_out;
inflateEnd (&zstream);
}
inflateEnd (&zstream);
#else
GST_WARNING ("zlib encoded tracks not supported.");
ret = FALSE;
@ -157,25 +159,27 @@ gst_matroska_decompress_data (GstMatroskaTrackEncoding * enc,
do {
result = BZ2_bzDecompress (&bzstream);
if (result != BZ_OK && result != BZ_STREAM_END) {
GST_WARNING ("bzip2 decompression failed.");
g_free (new_data);
BZ2_bzDecompressEnd (&bzstream);
if (result == BZ_STREAM_END) {
break;
} else if (result != BZ_OK) {
GST_WARNING ("BZ2_bzDecompress() returned %d", result);
break;
}
new_size += 4000;
new_size += 4096;
new_data = g_realloc (new_data, new_size);
bzstream.next_out = (char *) (new_data + bzstream.total_out_lo32);
bzstream.avail_out += 4000;
} while (bzstream.avail_in != 0 && result != BZ_STREAM_END);
bzstream.avail_out += 4096;
} while (bzstream.avail_in > 0);
if (result != BZ_STREAM_END) {
ret = FALSE;
goto out;
g_free (new_data);
} else {
new_size = bzstream.total_out_lo32;
BZ2_bzDecompressEnd (&bzstream);
}
BZ2_bzDecompressEnd (&bzstream);
#else
GST_WARNING ("bzip2 encoded tracks not supported.");
ret = FALSE;
@ -198,7 +202,7 @@ gst_matroska_decompress_data (GstMatroskaTrackEncoding * enc,
result = lzo1x_decode (new_data, &out_size, data, &orig_size);
if (orig_size > 0) {
new_size += 4000;
new_size += 4096;
new_data = g_realloc (new_data, new_size);
}
} while (orig_size > 0 && result == LZO_OUTPUT_FULL);