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limit subset further if sample rate is <=48kHz: max blocksize is 4608 and max LPC order is 12

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This commit is contained in:
Josh Coalson
2006-10-07 06:50:08 +00:00
parent 20ad84aa61
commit d0edb97a46
13 changed files with 62 additions and 46 deletions
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8
include/FLAC/format.h
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@@ -97,6 +97,10 @@ extern "C" {
/** The maximum block size, in samples, permitted by the format. */
#define FLAC__MAX_BLOCK_SIZE (65535u)
/** The maximum block size, in samples, permitted by the FLAC subset for
* sample rates up to 48kHz. */
#define FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ (4608u)
/** The maximum number of channels permitted by the format. */
#define FLAC__MAX_CHANNELS (8u)
@@ -125,6 +129,10 @@ extern "C" {
/** The maximum LPC order permitted by the format. */
#define FLAC__MAX_LPC_ORDER (32u)
/** The maximum LPC order permitted by the FLAC subset for sample rates
* up to 48kHz. */
#define FLAC__SUBSET_MAX_LPC_ORDER_48000HZ (12u)
/** The minimum quantized linear predictor coefficient precision
* permitted by the format.
*/

8
include/FLAC/stream_encoder.h
View File

@@ -298,7 +298,7 @@ typedef enum {
/**< The specified block size is less than the maximum LPC order. */
FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE,
/**< The encoder is bound to the "streamable subset" but other settings violate it. */
/**< The encoder is bound to the <A HREF="../format.html#subset">Subset</A> but other settings violate it. */
FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA,
/**< The metadata input to the encoder is invalid, in one of the following ways:
@@ -574,8 +574,8 @@ FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder);
*/
FLAC_API FLAC__bool FLAC__stream_encoder_set_verify(FLAC__StreamEncoder *encoder, FLAC__bool value);
/** Set the "streamable subset" flag. If \c true, the encoder will comply
* with the subset (see the format specification) and will check the
/** Set the <A HREF="../format.html#subset">Subset</A> flag. If \c true,
* the encoder will comply with the Subset and will check the
* settings during FLAC__stream_encoder_init() to see if all settings
* comply. If \c false, the settings may take advantage of the full
* range that the format allows.
@@ -994,7 +994,7 @@ FLAC_API void FLAC__stream_encoder_get_verify_decoder_error_stats(const FLAC__St
*/
FLAC_API FLAC__bool FLAC__stream_encoder_get_verify(const FLAC__StreamEncoder *encoder);
/** Get the "streamable subset" flag.
/** Get the <A HREF="../format.html#subset>Subset</A> flag.
*
* \param encoder An encoder instance to query.
* \assert