/** number of bits used for VLC lookup - longest Huffman code is 9 */
#define VLC_BITS 9
-
-static const char* sample_message =
- "Please file a bug report following the instructions at "
- "http://libav.org/bugreports.html and include "
- "a sample of this file.";
-
typedef struct SubStream {
- //! Set if a valid restart header has been read. Otherwise the substream cannot be decoded.
+ /// Set if a valid restart header has been read. Otherwise the substream cannot be decoded.
uint8_t restart_seen;
//@{
/** restart header data */
- //! The type of noise to be used in the rematrix stage.
+ /// The type of noise to be used in the rematrix stage.
uint16_t noise_type;
- //! The index of the first channel coded in this substream.
+ /// The index of the first channel coded in this substream.
uint8_t min_channel;
- //! The index of the last channel coded in this substream.
+ /// The index of the last channel coded in this substream.
uint8_t max_channel;
- //! The number of channels input into the rematrix stage.
+ /// The number of channels input into the rematrix stage.
uint8_t max_matrix_channel;
- //! For each channel output by the matrix, the output channel to map it to
+ /// For each channel output by the matrix, the output channel to map it to
uint8_t ch_assign[MAX_CHANNELS];
- //! Channel coding parameters for channels in the substream
+ /// Channel coding parameters for channels in the substream
ChannelParams channel_params[MAX_CHANNELS];
- //! The left shift applied to random noise in 0x31ea substreams.
+ /// The left shift applied to random noise in 0x31ea substreams.
uint8_t noise_shift;
- //! The current seed value for the pseudorandom noise generator(s).
+ /// The current seed value for the pseudorandom noise generator(s).
uint32_t noisegen_seed;
- //! Set if the substream contains extra info to check the size of VLC blocks.
+ /// Set if the substream contains extra info to check the size of VLC blocks.
uint8_t data_check_present;
- //! Bitmask of which parameter sets are conveyed in a decoding parameter block.
+ /// Bitmask of which parameter sets are conveyed in a decoding parameter block.
uint8_t param_presence_flags;
#define PARAM_BLOCKSIZE (1 << 7)
#define PARAM_MATRIX (1 << 6)
//@{
/** matrix data */
- //! Number of matrices to be applied.
+ /// Number of matrices to be applied.
uint8_t num_primitive_matrices;
- //! matrix output channel
+ /// matrix output channel
uint8_t matrix_out_ch[MAX_MATRICES];
- //! Whether the LSBs of the matrix output are encoded in the bitstream.
+ /// Whether the LSBs of the matrix output are encoded in the bitstream.
uint8_t lsb_bypass[MAX_MATRICES];
- //! Matrix coefficients, stored as 2.14 fixed point.
+ /// Matrix coefficients, stored as 2.14 fixed point.
int32_t matrix_coeff[MAX_MATRICES][MAX_CHANNELS];
- //! Left shift to apply to noise values in 0x31eb substreams.
+ /// Left shift to apply to noise values in 0x31eb substreams.
uint8_t matrix_noise_shift[MAX_MATRICES];
//@}
- //! Left shift to apply to Huffman-decoded residuals.
+ /// Left shift to apply to Huffman-decoded residuals.
uint8_t quant_step_size[MAX_CHANNELS];
- //! number of PCM samples in current audio block
+ /// number of PCM samples in current audio block
uint16_t blocksize;
- //! Number of PCM samples decoded so far in this frame.
+ /// Number of PCM samples decoded so far in this frame.
uint16_t blockpos;
- //! Left shift to apply to decoded PCM values to get final 24-bit output.
+ /// Left shift to apply to decoded PCM values to get final 24-bit output.
int8_t output_shift[MAX_CHANNELS];
- //! Running XOR of all output samples.
+ /// Running XOR of all output samples.
int32_t lossless_check_data;
} SubStream;
AVCodecContext *avctx;
AVFrame frame;
- //! Current access unit being read has a major sync.
+ /// Current access unit being read has a major sync.
int is_major_sync_unit;
- //! Set if a valid major sync block has been read. Otherwise no decoding is possible.
+ /// Set if a valid major sync block has been read. Otherwise no decoding is possible.
uint8_t params_valid;
- //! Number of substreams contained within this stream.
+ /// Number of substreams contained within this stream.
uint8_t num_substreams;
- //! Index of the last substream to decode - further substreams are skipped.
+ /// Index of the last substream to decode - further substreams are skipped.
uint8_t max_decoded_substream;
- //! number of PCM samples contained in each frame
+ /// number of PCM samples contained in each frame
int access_unit_size;
- //! next power of two above the number of samples in each frame
+ /// next power of two above the number of samples in each frame
int access_unit_size_pow2;
SubStream substream[MAX_SUBSTREAMS];
m->avctx = avctx;
for (substr = 0; substr < MAX_SUBSTREAMS; substr++)
m->substream[substr].lossless_check_data = 0xffffffff;
- dsputil_init(&m->dsp, avctx);
+ ff_dsputil_init(&m->dsp, avctx);
avcodec_get_frame_defaults(&m->frame);
avctx->coded_frame = &m->frame;
return AVERROR_INVALIDDATA;
}
if (mh.num_substreams > MAX_SUBSTREAMS) {
- av_log(m->avctx, AV_LOG_ERROR,
+ av_log_ask_for_sample(m->avctx,
"Number of substreams %d is larger than the maximum supported "
- "by the decoder. %s\n", mh.num_substreams, sample_message);
- return AVERROR_INVALIDDATA;
+ "by the decoder.\n", mh.num_substreams);
+ return AVERROR_PATCHWELCOME;
}
m->access_unit_size = mh.access_unit_size;
/* This should happen for TrueHD streams with >6 channels and MLP's noise
* type. It is not yet known if this is allowed. */
if (s->max_channel > MAX_MATRIX_CHANNEL_MLP && !s->noise_type) {
- av_log(m->avctx, AV_LOG_ERROR,
+ av_log_ask_for_sample(m->avctx,
"Number of channels %d is larger than the maximum supported "
- "by the decoder. %s\n", s->max_channel+2, sample_message);
- return AVERROR_INVALIDDATA;
+ "by the decoder.\n", s->max_channel + 2);
+ return AVERROR_PATCHWELCOME;
}
if (s->min_channel > s->max_channel) {
for (ch = 0; ch <= s->max_matrix_channel; ch++) {
int ch_assign = get_bits(gbp, 6);
if (ch_assign > s->max_matrix_channel) {
- av_log(m->avctx, AV_LOG_ERROR,
- "Assignment of matrix channel %d to invalid output channel %d. %s\n",
- ch, ch_assign, sample_message);
- return AVERROR_INVALIDDATA;
+ av_log_ask_for_sample(m->avctx,
+ "Assignment of matrix channel %d to invalid output channel %d.\n",
+ ch, ch_assign);
+ return AVERROR_PATCHWELCOME;
}
s->ch_assign[ch_assign] = ch;
}
if (s->data_check_present) {
expected_stream_pos = get_bits_count(gbp);
expected_stream_pos += get_bits(gbp, 16);
- av_log(m->avctx, AV_LOG_WARNING, "This file contains some features "
- "we have not tested yet. %s\n", sample_message);
+ av_log_ask_for_sample(m->avctx, "This file contains some features "
+ "we have not tested yet.\n");
}
if (s->blockpos + s->blocksize > m->access_unit_size) {
.init = mlp_decode_init,
.decode = read_access_unit,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("MLP (Meridian Lossless Packing)"),
+ .long_name = NULL_IF_CONFIG_SMALL("MLP (Meridian Lossless Packing)"),
};
#if CONFIG_TRUEHD_DECODER
.init = mlp_decode_init,
.decode = read_access_unit,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("TrueHD"),
+ .long_name = NULL_IF_CONFIG_SMALL("TrueHD"),
};
#endif /* CONFIG_TRUEHD_DECODER */
projects / ffmpeg / blobdiff