X-Git-Url: http://git.ieval.ro/?a=blobdiff_plain;f=src%2Fwav_reader.c;h=bb0e93e8f89f7610bb66e9008b3a49b23df01185;hb=3de0e22dcc176fb7f34be00d3406235870ae7db4;hp=133854b1a6cd81e85fc28ff36d2d20630788e0c5;hpb=29a8f73fafe37beb8048316cca06ac83dfd1f2e1;p=fdkaac.git diff --git a/src/wav_reader.c b/src/wav_reader.c index 133854b..bb0e93e 100644 --- a/src/wav_reader.c +++ b/src/wav_reader.c @@ -18,12 +18,7 @@ #define RIFF_FOURCC(a,b,c,d) ((a)|((b)<<8)|((c)<<16)|((d)<<24)) -#define ENSURE(expr) \ - do { \ - if (!(expr)) goto FAIL;\ - } while (0) - -struct wav_reader_t { +typedef struct wav_reader_t { pcm_reader_vtbl_t *vtbl; pcm_sample_description_t sample_format; int64_t length; @@ -31,7 +26,7 @@ struct wav_reader_t { int32_t data_offset; int ignore_length; pcm_io_context_t io; -}; +} wav_reader_t; static const uint8_t WAV_GUID_PCM[] = { 1, 0, 0, 0, 0, 0, 0x10, 0, 0x80, 0, 0, 0xaa, 0, 0x38, 0x9b, 0x71 @@ -98,7 +93,6 @@ int riff_ds64(wav_reader_t *reader, int64_t *length) TRY_IO(pcm_scanl(&reader->io, "QQQL", &riff_size, length, &sample_count, &table_size) != 4); TRY_IO(pcm_skip(&reader->io, (chunk_size - 27) & ~1)); - reader->data_offset += (chunk_size + 9) & ~1; FAIL: return -1; } @@ -168,7 +162,6 @@ int wav_parse(wav_reader_t *reader, int64_t *data_length) container == RIFF_FOURCC('R','F','6','4')); TRY_IO(pcm_read32le(&reader->io, &fcc)); ENSURE(fcc == RIFF_FOURCC('W','A','V','E')); - reader->data_offset = 12; if (container == RIFF_FOURCC('R','F','6','4')) riff_ds64(reader, data_length); @@ -179,12 +172,11 @@ int wav_parse(wav_reader_t *reader, int64_t *data_length) } else if (fcc == RIFF_FOURCC('d','a','t','a')) { if (container == RIFF_FOURCC('R','I','F','F')) *data_length = chunk_size; - reader->data_offset += 8; + reader->data_offset = pcm_tell(&reader->io); break; } else { TRY_IO(pcm_skip(&reader->io, (chunk_size + 1) & ~1)); } - reader->data_offset += (chunk_size + 9) & ~1; } if (fcc == RIFF_FOURCC('d','a','t','a')) return 0;