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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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v1.1.1
This commit is contained in:
刘可亮
384
packages/third-party/libFLAC/test_decoder.c
vendored
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384
packages/third-party/libFLAC/test_decoder.c
vendored
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@@ -0,0 +1,384 @@
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/*
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* Copyright (C) 2020-2024 ArtInChip Technology Co. Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Author: <che.jiang@artinchip.com>
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* Desc: flac decoder test
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <rtthread.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/stat.h> /* for stat() */
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#include "share/compat.h"
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#include "FLAC/stream_decoder.h"
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#define FLAC_DECODER_SINGLE_MODE
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static FLAC__StreamDecoderReadStatus read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
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#ifndef FLAC_DECODER_SINGLE_MODE
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static FLAC__StreamDecoderSeekStatus seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data);
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static FLAC__StreamDecoderTellStatus tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
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static FLAC__StreamDecoderLengthStatus length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data);
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static FLAC__bool eof_callback(const FLAC__StreamDecoder *decoder, void *client_data);
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#endif
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static FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
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static void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
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static void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
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static FLAC__uint64 total_samples = 0;
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static unsigned sample_rate = 0;
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static unsigned channels = 0;
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static unsigned bps = 0;
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static FLAC__off_t flacfilesize = 0;
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typedef struct {
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FILE *fin_file;
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FILE *fout_file;
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FLAC__bool eos;
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} StreamDecoderClientData;
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FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 x)
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{
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return ((fputc(x, f) != EOF) && (fputc(x >> 8, f) != EOF));
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}
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FLAC__bool write_little_endian_int16(FILE *f, FLAC__int16 x)
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{
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return write_little_endian_uint16(f, (FLAC__uint16)x);
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}
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FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 x)
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{
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return ((fputc(x, f) != EOF) && \
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(fputc(x >> 8, f) != EOF) && \
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(fputc(x >> 16, f) != EOF) && \
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(fputc(x >> 24, f) != EOF));
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}
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int flac_decoder_file_demo(int argc, char *argv[])
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{
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FLAC__bool ok = true;
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FLAC__StreamDecoder *decoder = 0;
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FLAC__StreamDecoderInitStatus init_status;
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StreamDecoderClientData decoder_client_data;
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FILE *fout;
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if(argc != 3) {
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fprintf(stderr, "usage: %s infile.flac outfile.wav\n", argv[0]);
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return 1;
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}
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if((fout = fopen(argv[2], "wb")) == NULL) {
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fprintf(stderr, "ERROR: opening %s for output\n", argv[2]);
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return 1;
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}
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if((decoder = FLAC__stream_decoder_new()) == NULL) {
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fprintf(stderr, "ERROR: allocating decoder\n");
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fclose(fout);
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return 1;
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}
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(void)FLAC__stream_decoder_set_md5_checking(decoder, true);
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decoder_client_data.fout_file = fout;
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init_status = FLAC__stream_decoder_init_file(decoder, argv[1], write_callback, metadata_callback, error_callback, /*client_data=*/&decoder_client_data);
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if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
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fprintf(stderr, "ERROR: initializing decoder: %s\n", FLAC__StreamDecoderInitStatusString[init_status]);
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ok = false;
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}
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if(ok) {
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ok = FLAC__stream_decoder_process_until_end_of_stream(decoder);
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fprintf(stderr, "decoding: %s\n", ok? "succeeded" : "FAILED");
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fprintf(stderr, " state: %s\n", FLAC__StreamDecoderStateString[FLAC__stream_decoder_get_state(decoder)]);
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}
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FLAC__stream_decoder_delete(decoder);
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fclose(fout);
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return 0;
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}
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int flac_decoder_stream_demo(int argc, char *argv[])
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{
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FLAC__bool ok = true;
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FLAC__StreamDecoder *decoder = 0;
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FLAC__StreamDecoderInitStatus init_status;
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FILE *fin_file, *fout_file;
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struct flac_stat_s filestats;
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StreamDecoderClientData decoder_client_data;
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struct timespec tm_before, tm_after;
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if(argc != 3) {
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fprintf(stderr, "usage: %s infile.flac outfile.wav\n", argv[0]);
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return 1;
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}
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if(flac_stat(argv[1], &filestats) != 0)
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return 1;
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else
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flacfilesize = filestats.st_size;
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if((fin_file = fopen(argv[1], "rb")) == NULL) {
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fprintf(stderr, "ERROR: opening %s for infile\n", argv[1]);
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return 1;
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}
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if((fout_file = fopen(argv[2], "wb")) == NULL) {
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fprintf(stderr, "ERROR: opening %s for output\n", argv[2]);
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fclose(fin_file);
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return 1;
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}
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if((decoder = FLAC__stream_decoder_new()) == NULL) {
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fprintf(stderr, "ERROR: allocating decoder\n");
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fclose(fin_file);
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fclose(fout_file);
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return 1;
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}
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(void)FLAC__stream_decoder_set_md5_checking(decoder, true);
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decoder_client_data.eos = 0;
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decoder_client_data.fin_file = fin_file;
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decoder_client_data.fout_file = fout_file;
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#ifdef FLAC_DECODER_SINGLE_MODE
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init_status = FLAC__stream_decoder_init_stream(decoder, read_callback, NULL, NULL, NULL, /*eof_callback*/NULL,
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write_callback, metadata_callback, error_callback, /*client_data=*/&decoder_client_data);
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#else
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init_status = FLAC__stream_decoder_init_stream(decoder, read_callback, seek_callback, tell_callback, length_callback, eof_callback,
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write_callback, metadata_callback, error_callback, /*client_data=*/&decoder_client_data);
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#endif
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if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
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fprintf(stderr, "ERROR: initializing decoder: %s\n", FLAC__StreamDecoderInitStatusString[init_status]);
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ok = false;
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}
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if(ok) {
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#ifdef FLAC_DECODER_SINGLE_MODE
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while(!decoder_client_data.eos) {
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clock_gettime(CLOCK_REALTIME, &tm_before);
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if(!FLAC__stream_decoder_process_single(decoder))
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printf("ERROR: decoder single failed\n");
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clock_gettime(CLOCK_REALTIME, &tm_after);
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printf("decoder state: %s, time_cost: %" PRIu64 "us\n",
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FLAC__StreamDecoderStateString[FLAC__stream_decoder_get_state(decoder)],
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(tm_after.tv_sec - tm_before.tv_sec) * 1000000 +
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(tm_after.tv_nsec - tm_before.tv_nsec) / 1000);
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}
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#else
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ok = FLAC__stream_decoder_process_until_end_of_stream(decoder);
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fprintf(stderr, "decoding: %s\n", ok? "succeeded" : "FAILED");
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fprintf(stderr, " state: %s\n", FLAC__StreamDecoderStateString[FLAC__stream_decoder_get_state(decoder)]);
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#endif
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}
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FLAC__stream_decoder_delete(decoder);
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fclose(fout_file);
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fclose(fin_file);
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return 0;
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}
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static FLAC__StreamDecoderReadStatus read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
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{
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FILE *f = (FILE*)((StreamDecoderClientData*)client_data)->fin_file;
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const size_t requested_bytes = *bytes;
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(void)decoder;
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if(0 == f) {
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printf("ERROR: client_data in read callback is NULL\n");
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return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
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}
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if(feof(f)) {
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*bytes = 0;
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((StreamDecoderClientData*)client_data)->eos = 1;
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return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
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} else if(requested_bytes > 0) {
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*bytes = fread(buffer, 1, requested_bytes, f);
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if(*bytes == 0) {
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if(feof(f)) {
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((StreamDecoderClientData*)client_data)->eos = 1;
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printf("FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM\n");
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return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
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} else {
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return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
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}
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} else {
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return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
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}
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} else {
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return FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */
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}
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}
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#ifndef FLAC_DECODER_SINGLE_MODE
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static FLAC__StreamDecoderSeekStatus seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
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{
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FILE *f = (FILE*)((StreamDecoderClientData*)client_data)->fin_file;
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(void)decoder;
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if(0 == f) {
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printf("ERROR: client_data in seek callback is NULL\n");
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return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
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}
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if(fseeko(f, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) {
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return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
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}
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return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
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}
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static FLAC__StreamDecoderTellStatus tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
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{
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FILE *f = (FILE*)((StreamDecoderClientData*)client_data)->fin_file;
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FLAC__off_t offset;
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(void)decoder;
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if(0 == f) {
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printf("ERROR: client_data in tell callback is NULL\n");
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return FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
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}
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offset = ftello(f);
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*absolute_byte_offset = (FLAC__uint64)offset;
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if(offset < 0) {
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return FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
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}
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return FLAC__STREAM_DECODER_TELL_STATUS_OK;
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}
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static FLAC__StreamDecoderLengthStatus length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
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{
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FILE *f = (FILE*)((StreamDecoderClientData*)client_data)->fin_file;
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(void)decoder;
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if(0 == f) {
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printf("ERROR: client_data in length callback is NULL\n");
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return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
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}
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*stream_length = (FLAC__uint64)flacfilesize;
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return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
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}
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static FLAC__bool eof_callback(const FLAC__StreamDecoder *decoder, void *client_data)
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{
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FILE *f = (FILE*)((StreamDecoderClientData*)client_data)->fin_file;
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FLAC__bool eof;
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(void)decoder;
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if(0 == f) {
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printf("ERROR: client_data in eof callback is NULL\n");
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return true;
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}
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eof = feof(f);
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if (eof)
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((StreamDecoderClientData*)client_data)->eos = 1;
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return eof;
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}
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#endif
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FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
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{
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FILE *f = (FILE*)((StreamDecoderClientData*)client_data)->fout_file;
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const FLAC__uint32 total_size = (FLAC__uint32)(total_samples * channels * (bps/8));
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size_t i;
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(void)decoder;
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if(total_samples == 0) {
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fprintf(stderr, "ERROR: this example only works for FLAC files that have a total_samples count in STREAMINFO\n");
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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if(channels != 2 || bps != 16) {
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fprintf(stderr, "ERROR: this example only supports 16bit stereo streams\n");
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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if(frame->header.channels != 2) {
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fprintf(stderr, "ERROR: This frame contains %u channels (should be 2)\n", frame->header.channels);
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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if(buffer[0] == NULL) {
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fprintf(stderr, "ERROR: buffer [0] is NULL\n");
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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if(buffer[1] == NULL) {
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fprintf(stderr, "ERROR: buffer [1] is NULL\n");
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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/* write WAVE header before we write the first frame */
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if(frame->header.number.sample_number == 0) {
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if(
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fwrite("RIFF", 1, 4, f) < 4 ||
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!write_little_endian_uint32(f, total_size + 36) ||
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fwrite("WAVEfmt ", 1, 8, f) < 8 ||
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!write_little_endian_uint32(f, 16) ||
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!write_little_endian_uint16(f, 1) ||
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!write_little_endian_uint16(f, (FLAC__uint16)channels) ||
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!write_little_endian_uint32(f, sample_rate) ||
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!write_little_endian_uint32(f, sample_rate * channels * (bps/8)) ||
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!write_little_endian_uint16(f, (FLAC__uint16)(channels * (bps/8))) || /* block align */
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!write_little_endian_uint16(f, (FLAC__uint16)bps) ||
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fwrite("data", 1, 4, f) < 4 ||
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!write_little_endian_uint32(f, total_size)
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) {
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fprintf(stderr, "ERROR: write error\n");
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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}
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/* write decoded PCM samples */
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for(i = 0; i < frame->header.blocksize; i++) {
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if(
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!write_little_endian_int16(f, (FLAC__int16)buffer[0][i]) || /* left channel */
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!write_little_endian_int16(f, (FLAC__int16)buffer[1][i]) /* right channel */
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) {
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fprintf(stderr, "ERROR: write error\n");
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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}
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}
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return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
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}
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void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
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{
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(void)decoder, (void)client_data;
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/* print some stats */
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if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
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/* save for later */
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total_samples = metadata->data.stream_info.total_samples;
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sample_rate = metadata->data.stream_info.sample_rate;
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channels = metadata->data.stream_info.channels;
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bps = metadata->data.stream_info.bits_per_sample;
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fprintf(stderr, "sample rate : %u Hz\n", sample_rate);
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fprintf(stderr, "channels : %u\n", channels);
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fprintf(stderr, "bits per sample: %u\n", bps);
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fprintf(stderr, "total samples : %" PRIu64 "\n", total_samples);
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}
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}
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void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
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{
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(void)decoder, (void)client_data;
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fprintf(stderr, "Got error callback: %s\n", FLAC__StreamDecoderErrorStatusString[status]);
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}
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MSH_CMD_EXPORT(flac_decoder_file_demo, flac decoder file test);
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MSH_CMD_EXPORT(flac_decoder_stream_demo, flac decoder stream test);
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