void
writeSWFSoundWithSoundStreamToMethod(SWFSoundStream stream,
SWFByteOutputMethod method, void *data)
{
int source = stream->streamSource;
struct SWFSoundStreamBlock_s streamblock;
/* need to get the sample count && and rewind */
SWFSoundStream_getLength(stream, &streamblock);
SWFSoundStream_rewind(stream);
methodWriteUInt32(streamblock.numSamples, method, data);
methodWriteUInt16(stream->initialDelay, method, data);
if(source == STREAM_MP3)
write_mp3(&streamblock, method, data);
else if(source == STREAM_FLV)
write_flv(&streamblock, method, data);
}
void
writeSWFSoundStreamToMethod(SWFBlock block,
SWFByteOutputMethod method, void *data)
{
SWFSoundStreamBlock streamblock = (SWFSoundStreamBlock)block;
int source = streamblock->stream->streamSource;
if(source == STREAM_MP3)
{
methodWriteUInt16(streamblock->numSamples, method, data);
methodWriteUInt16(streamblock->delay, method, data);
write_mp3(streamblock, method, data);
}
else if(source == STREAM_FLV)
{
if(AUDIO_CODEC(streamblock->stream) == AUDIO_CODEC_MP3)
{
methodWriteUInt16(streamblock->numSamples, method, data);
methodWriteUInt16(streamblock->delay, method, data);
}
write_flv(streamblock, method, data);
}
}
/* copy a FLV file while adding onMetaData and optionnally onLastSecond events */
int update_metadata(const flvmeta_opts * opts) {
int res, in_place_update;
flv_stream * flv_in;
FILE * flv_out;
flv_info info;
flv_metadata meta;
flv_in = flv_open(opts->input_file);
if (flv_in == NULL) {
return ERROR_OPEN_READ;
}
/*
get all necessary information from the flv file
*/
res = get_flv_info(flv_in, &info, opts);
if (res != OK) {
flv_close(flv_in);
amf_data_free(info.keyframes);
return res;
}
compute_metadata(&info, &meta, opts);
/*
open output file
*/
/* detect whether we have to overwrite the input file */
if (flvmeta_same_file(opts->input_file, opts->output_file)) {
in_place_update = 1;
flv_out = flvmeta_tmpfile();
}
else {
in_place_update = 0;
flv_out = fopen(opts->output_file, "wb");
}
if (flv_out == NULL) {
flv_close(flv_in);
amf_data_free(meta.on_last_second_name);
amf_data_free(meta.on_last_second);
amf_data_free(meta.on_metadata_name);
amf_data_free(meta.on_metadata);
amf_data_free(info.original_on_metadata);
return ERROR_OPEN_WRITE;
}
/*
write the output file
*/
res = write_flv(flv_in, flv_out, &info, &meta, opts);
flv_close(flv_in);
amf_data_free(meta.on_last_second_name);
amf_data_free(meta.on_last_second);
amf_data_free(meta.on_metadata_name);
amf_data_free(info.original_on_metadata);
/* copy data into the original file if needed */
if (in_place_update == 1) {
FILE * flv_out_real;
size_t bytes_read;
byte copy_buffer[COPY_BUFFER_SIZE];
flv_out_real = fopen(opts->output_file, "wb");
if (flv_out_real == NULL) {
amf_data_free(meta.on_metadata);
return ERROR_OPEN_WRITE;
}
/* copy temporary file contents into the final file */
lfs_fseek(flv_out, 0, SEEK_SET);
while (!feof(flv_out)) {
bytes_read = fread(copy_buffer, sizeof(byte), COPY_BUFFER_SIZE, flv_out);
if (bytes_read > 0) {
if (fwrite(copy_buffer, sizeof(byte), bytes_read, flv_out_real) < bytes_read) {
fclose(flv_out_real);
fclose(flv_out);
amf_data_free(meta.on_metadata);
return ERROR_WRITE;
}
}
else {
fclose(flv_out_real);
fclose(flv_out);
amf_data_free(meta.on_metadata);
return ERROR_WRITE;
}
}
fclose(flv_out_real);
}
fclose(flv_out);
/* dump computed metadata if we have to */
if (opts->dump_metadata == 1) {
dump_amf_data(meta.on_metadata, opts);
}
amf_data_free(meta.on_metadata);
return res;
}
