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Code Issues Releases Activity

avcodec/ac3enc: Share more code between fixed/float encoders

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-04-07 16:52:52 +02:00
parent 1042ee36cd
commit 2fcc50d1f5
3 changed files with 15 additions and 24 deletions
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19
libavcodec/ac3enc.c
View File

@ -315,7 +315,7 @@ static void validate_mix_level(void *log_ctx, const char *opt_name,
*
* @param s AC-3 encoder private context
*/
int ff_ac3_validate_metadata(AC3EncodeContext *s)
static int ac3_validate_metadata(AC3EncodeContext *s)
{
AVCodecContext *avctx = s->avctx;
AC3EncOptions *opt = &s->options;
@ -488,7 +488,7 @@ int ff_ac3_validate_metadata(AC3EncodeContext *s)
*
* @param s AC-3 encoder private context
*/
void ff_ac3_adjust_frame_size(AC3EncodeContext *s)
static void ac3_adjust_frame_size(AC3EncodeContext *s)
{
while (s->bits_written >= s->bit_rate && s->samples_written >= s->sample_rate) {
s->bits_written -= s->bit_rate;
@ -1984,9 +1984,16 @@ int ff_ac3_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
AC3EncodeContext *const s = avctx->priv_data;
int ret;
ret = s->encode_frame(s, frame);
if (ret < 0)
return ret;
if (s->options.allow_per_frame_metadata) {
ret = ac3_validate_metadata(s);
if (ret)
return ret;
}
if (s->bit_alloc.sr_code == 1 || s->eac3)
ac3_adjust_frame_size(s);
s->encode_frame(s, frame);
ac3_apply_rematrixing(s);
@ -2328,7 +2335,7 @@ static av_cold int validate_options(AC3EncodeContext *s)
if (s->cutoff > (s->sample_rate >> 1))
s->cutoff = s->sample_rate >> 1;
ret = ff_ac3_validate_metadata(s);
ret = ac3_validate_metadata(s);
if (ret)
return ret;

5
libavcodec/ac3enc.h
View File

@ -255,7 +255,7 @@ typedef struct AC3EncodeContext {
int ref_bap_set; ///< indicates if ref_bap pointers have been set
/** fixed vs. float function pointers */
int (*encode_frame)(struct AC3EncodeContext *s, const AVFrame *frame);
void (*encode_frame)(struct AC3EncodeContext *s, const AVFrame *frame);
/* fixed vs. float function pointers */
int (*mdct_init)(struct AC3EncodeContext *s);
@ -277,9 +277,6 @@ int ff_ac3_float_encode_init(AVCodecContext *avctx);
int ff_ac3_encode_close(AVCodecContext *avctx);
int ff_ac3_validate_metadata(AC3EncodeContext *s);
void ff_ac3_adjust_frame_size(AC3EncodeContext *s);
void ff_ac3_compute_coupling_strategy(AC3EncodeContext *s);

15
libavcodec/ac3enc_template.c
View File

@ -371,19 +371,8 @@ static void compute_rematrixing_strategy(AC3EncodeContext *s)
}
static int encode_frame(AC3EncodeContext *s, const AVFrame *frame)
static void encode_frame(AC3EncodeContext *s, const AVFrame *frame)
{
int ret;
if (s->options.allow_per_frame_metadata) {
ret = ff_ac3_validate_metadata(s);
if (ret)
return ret;
}
if (s->bit_alloc.sr_code == 1 || (AC3ENC_FLOAT && s->eac3))
ff_ac3_adjust_frame_size(s);
copy_input_samples(s, (SampleType **)frame->extended_data);
apply_mdct(s);
@ -399,6 +388,4 @@ static int encode_frame(AC3EncodeContext *s, const AVFrame *frame)
#if AC3ENC_FLOAT
scale_coefficients(s);
#endif
return 0;
}