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https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 19:30:05 +00:00
keep ftyp first
Originally committed as revision 5170 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
c03395995a
commit
60a9cc5879
@ -72,10 +72,13 @@ int main(int argc, char *argv[])
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uint64_t atom_size = 0;
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uint64_t last_offset;
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unsigned char *moov_atom;
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unsigned char *ftyp_atom = 0;
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uint64_t moov_atom_size;
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uint64_t ftyp_atom_size = 0;
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uint64_t i, j;
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uint32_t offset_count;
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uint64_t current_offset;
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uint64_t start_offset = 0;
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unsigned char copy_buffer[COPY_BUFFER_SIZE];
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int bytes_to_copy;
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@ -112,6 +115,27 @@ int main(int argc, char *argv[])
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break;
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}
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/* keep ftyp atom */
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if (atom_type == FTYP_ATOM) {
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ftyp_atom_size = atom_size;
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ftyp_atom = malloc(ftyp_atom_size);
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if (!ftyp_atom) {
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printf ("could not allocate 0x%llX byte for ftyp atom\n",
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atom_size);
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fclose(infile);
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return 1;
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}
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fseeko(infile, -ATOM_PREAMBLE_SIZE, SEEK_CUR);
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if (fread(ftyp_atom, atom_size, 1, infile) != 1) {
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perror(argv[1]);
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free(ftyp_atom);
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fclose(infile);
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return 1;
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}
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start_offset = ftello(infile);
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continue;
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}
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/* 64-bit special case */
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if (atom_size == 1) {
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if (fread(atom_bytes, ATOM_PREAMBLE_SIZE, 1, infile) != 1) {
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@ -214,6 +238,9 @@ int main(int argc, char *argv[])
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free(moov_atom);
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return 1;
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}
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/* seek after ftyp atom if needed */
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fseeko(infile, start_offset, SEEK_SET);
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outfile = fopen(argv[2], "wb");
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if (!outfile) {
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perror(argv[2]);
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@ -222,6 +249,15 @@ int main(int argc, char *argv[])
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return 1;
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}
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/* dump the same ftyp atom */
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if (ftyp_atom_size > 0) {
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printf (" writing ftyp atom...\n");
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if (fwrite(ftyp_atom, ftyp_atom_size, 1, outfile) != 1) {
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perror(argv[2]);
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goto error_out;
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}
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}
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/* dump the new moov atom */
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printf (" writing moov atom...\n");
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if (fwrite(moov_atom, moov_atom_size, 1, outfile) != 1) {
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