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Code Issues Releases Activity

avcodec/mlpenc: rename some variables related to thd

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Remove warning message that is no longer needed.
This commit is contained in:
Paul B Mahol 2023-10-06 22:15:33 +02:00
parent 4c422de1db
commit 84e0e2f43e
1 changed files with 28 additions and 27 deletions
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55
libavcodec/mlpenc.c
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@ -172,10 +172,13 @@ typedef struct MLPEncodeContext {
uint16_t input_timing; ///< Decoding timestamp of current access unit.
uint8_t channel_arrangement; ///< channel arrangement for MLP streams
uint8_t channel_arrangement8; ///< 8 channel arrangement for THD streams
uint8_t ch_modifier_thd0; ///< channel modifier for TrueHD stream 0
uint8_t ch_modifier_thd1; ///< channel modifier for TrueHD stream 1
uint8_t ch_modifier_thd2; ///< channel modifier for TrueHD stream 2
uint8_t multichannel_type6ch; ///< channel modifier for TrueHD stream 0
uint8_t multichannel_type8ch; ///< channel modifier for TrueHD stream 0
uint8_t ch2_presentation_mod; ///< channel modifier for TrueHD stream 0
uint8_t ch6_presentation_mod; ///< channel modifier for TrueHD stream 1
uint8_t ch8_presentation_mod; ///< channel modifier for TrueHD stream 2
RestartHeader restart_header;
MLPBlock b[MAJOR_HEADER_INTERVAL + 1];
@ -525,12 +528,6 @@ static av_cold int mlp_encode_init(AVCodecContext *avctx)
/* TODO Keep count of bitrate and calculate real value. */
ctx->coded_peak_bitrate = mlp_peak_bitrate(9600000, avctx->sample_rate);
/* TODO support more channels. */
if (avctx->ch_layout.nb_channels > 2) {
av_log(avctx, AV_LOG_WARNING,
"Only mono and stereo are supported at the moment.\n");
}
ctx->substream_info |= SUBSTREAM_INFO_ALWAYS_SET;
if (avctx->ch_layout.nb_channels <= 2)
ctx->substream_info |= SUBSTREAM_INFO_MAX_2_CHAN;
@ -602,28 +599,32 @@ static av_cold int mlp_encode_init(AVCodecContext *avctx)
} else {
/* TrueHD */
if (channels_present == AV_CH_LAYOUT_MONO) {
ctx->ch_modifier_thd0 = 3;
ctx->ch_modifier_thd1 = 3;
ctx->ch_modifier_thd2 = 3;
ctx->ch2_presentation_mod= 3;
ctx->ch6_presentation_mod= 3;
ctx->ch8_presentation_mod= 3;
ctx->channel_arrangement = 2;
ctx->channel_arrangement8= 2;
ctx->thd_substream_info = 0x14;
} else if (channels_present == AV_CH_LAYOUT_STEREO) {
ctx->ch_modifier_thd0 = 1;
ctx->ch_modifier_thd1 = 1;
ctx->ch_modifier_thd2 = 1;
ctx->ch2_presentation_mod= 1;
ctx->ch6_presentation_mod= 1;
ctx->ch8_presentation_mod= 1;
ctx->channel_arrangement = 1;
ctx->channel_arrangement8= 1;
ctx->thd_substream_info = 0x14;
} else if (channels_present == AV_CH_LAYOUT_5POINT0) {
ctx->ch_modifier_thd0 = 1;
ctx->ch_modifier_thd1 = 1;
ctx->ch_modifier_thd2 = 1;
ctx->ch2_presentation_mod= 1;
ctx->ch6_presentation_mod= 1;
ctx->ch8_presentation_mod= 1;
ctx->channel_arrangement = 11;
ctx->channel_arrangement8= 11;
ctx->thd_substream_info = 0x104;
} else if (channels_present == AV_CH_LAYOUT_5POINT1) {
ctx->ch_modifier_thd0 = 2;
ctx->ch_modifier_thd1 = 1;
ctx->ch_modifier_thd2 = 2;
ctx->ch2_presentation_mod= 2;
ctx->ch6_presentation_mod= 1;
ctx->ch8_presentation_mod= 2;
ctx->channel_arrangement = 15;
ctx->channel_arrangement8= 15;
ctx->thd_substream_info = 0x104;
} else {
av_assert1(!"AVCodec.ch_layouts needs to be updated");
@ -681,14 +682,14 @@ static void write_major_sync(MLPEncodeContext *ctx, uint8_t *buf, int buf_size)
} else if (ctx->avctx->codec_id == AV_CODEC_ID_TRUEHD) {
put_bits(&pb, 8, SYNC_TRUEHD );
put_bits(&pb, 4, ctx->coded_sample_rate[0]);
put_bits(&pb, 1, 0 ); /* 6ch multichannel type */
put_bits(&pb, 1, 0 ); /* 8ch multichannel type */
put_bits(&pb, 1, ctx->multichannel_type6ch);
put_bits(&pb, 1, ctx->multichannel_type8ch);
put_bits(&pb, 2, 0 ); /* ignored */
put_bits(&pb, 2, ctx->ch_modifier_thd0 );
put_bits(&pb, 2, ctx->ch_modifier_thd1 );
put_bits(&pb, 2, ctx->ch2_presentation_mod);
put_bits(&pb, 2, ctx->ch6_presentation_mod);
put_bits(&pb, 5, ctx->channel_arrangement );
put_bits(&pb, 2, ctx->ch_modifier_thd2 );
put_bits(&pb, 13, ctx->channel_arrangement );
put_bits(&pb, 2, ctx->ch8_presentation_mod);
put_bits(&pb, 13, ctx->channel_arrangement8);
}
put_bits(&pb, 16, MAJOR_SYNC_INFO_SIGNATURE);