diff --git a/bsp/stm32_radio/asf.c b/bsp/stm32_radio/asf.c index 023db0841..569177f37 100644 --- a/bsp/stm32_radio/asf.c +++ b/bsp/stm32_radio/asf.c @@ -9,6 +9,22 @@ #define read_uint32le(fd,buf) read((fd), (buf), 4) #define read_uint64le(fd,buf) read((fd), (buf), 8) +struct id3_tag +{ + rt_uint32_t bitrate; /* bit rate */ + rt_uint32_t frequency; /* sample frequency */ + + rt_size_t first_frame_offset; /* Byte offset to first real MP3 frame. + Used for skipping leading garbage to + avoid gaps between tracks. */ + + rt_size_t filesize; /* file size; in bytes */ + rt_uint32_t frame_count; /* number of frames in the file (if VBR) */ + rt_size_t offset; /* bytes played */ + + rt_uint32_t user_data; /* user data */ +}; + /* TODO: Just read the GUIDs into a 16-byte array, and use memcmp to compare */ struct guid_s { rt_uint32_t v1; @@ -79,6 +95,17 @@ static const guid_t asf_guid_extended_content_encryption = static const guid_t asf_guid_stream_type_audio = {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}}; +struct stream_buffer +{ + rt_uint32_t length; + rt_uint32_t position; /* current position */ + + rt_uint8_t *buffer; + + /* file descriptor of this stream buffer */ + int fd; +}; + static int asf_guid_match(const guid_t *guid1, const guid_t *guid2) { if((guid1->v1 != guid2->v1) || @@ -203,7 +230,7 @@ static void asf_utf16LEdecode(int fd, return; } -static int asf_parse_header(int fd, struct mp3entry* id3, +static int asf_parse_header(int fd, struct id3_tag* id3, asf_waveformatex_t* wfx) { asf_object_t current; @@ -327,7 +354,6 @@ static int asf_parse_header(int fd, struct mp3entry* id3, DEBUGF("Unsupported WMA codec (Pro, Lossless, Voice, etc)\n"); lseek(fd,current.size - 24 - 72,SEEK_CUR); } - } } else if (asf_guid_match(¤t.guid, &asf_guid_content_description)) { /* Object contains five 16-bit string lengths, followed by the five strings: @@ -465,7 +491,7 @@ static int asf_parse_header(int fd, struct mp3entry* id3, return 0; } -static off_t filesize(int fd) +static rt_off_t filesize(int fd) { struct dfs_stat buf; @@ -473,23 +499,26 @@ static off_t filesize(int fd) return buf.st_size; } -rt_bool_t get_asf_metadata(int fd, struct mp3entry* id3) +rt_bool_t get_asf_metadata(int fd, struct id3_tag* id3) { int res; asf_object_t obj; - asf_waveformatex_t wfx; + asf_waveformatex_t* wfx; - wfx.audiostream = -1; + wfx = (asf_waveformatex_t*) rt_malloc(sizeof(asf_waveformatex_t)); + if (wfx == RT_NULL) return RT_FALSE; - res = asf_parse_header(fd, id3, &wfx); + wfx->audiostream = -1; + res = asf_parse_header(fd, id3, wfx); if (res < 0) { DEBUGF("ASF: parsing error - %d\n",res); return RT_FALSE; } - if (wfx.audiostream == -1) { + if (wfx->audiostream == -1) { DEBUGF("ASF: No WMA streams found\n"); + rt_free(wfx); return RT_FALSE; } @@ -497,6 +526,7 @@ rt_bool_t get_asf_metadata(int fd, struct mp3entry* id3) if (!asf_guid_match(&obj.guid, &asf_guid_data)) { DEBUGF("ASF: No data object found\n"); + rt_free(wfx); return RT_FALSE; } @@ -506,9 +536,9 @@ rt_bool_t get_asf_metadata(int fd, struct mp3entry* id3) */ id3->first_frame_offset = lseek(fd, 0, SEEK_CUR) + 26; id3->filesize = filesize(fd); - /* We copy the wfx struct to the MP3 TOC field in the id3 struct so - the codec doesn't need to parse the header object again */ - rt_memcpy(id3->toc, &wfx, sizeof(wfx)); + /* set wfx to user data */ + id3->user_data = (rt_uint32_t)wfx; return RT_TRUE; } + diff --git a/bsp/stm32_radio/wma.c b/bsp/stm32_radio/wma.c index 629b6cf6d..54f8c505a 100644 --- a/bsp/stm32_radio/wma.c +++ b/bsp/stm32_radio/wma.c @@ -316,10 +316,6 @@ void wma_codec_main(void) } resume_offset = 0; - ci->configure(DSP_SWITCH_FREQUENCY, wfx.rate); - ci->configure(DSP_SET_STEREO_MODE, wfx.channels == 1 ? - STEREO_MONO : STEREO_INTERLEAVED); - codec_set_replaygain(ci->id3); /* The main decoding loop */