X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fadpcmenc.c;h=572261ae7d4b3b052d8b80ceb0dd7e9d7ed9ddee;hb=967facb6950549d0cc4e0ba79a056ebc6f93a049;hp=246b5887d9ea578a55a7551ccc5ece94e6d41d46;hpb=2af8f2cea6c94eba3a15820194cb7374b366976a;p=ffmpeg diff --git a/libavcodec/adpcmenc.c b/libavcodec/adpcmenc.c index 246b5887d9e..572261ae7d4 100644 --- a/libavcodec/adpcmenc.c +++ b/libavcodec/adpcmenc.c @@ -24,6 +24,7 @@ #include "bytestream.h" #include "adpcm.h" #include "adpcm_data.h" +#include "internal.h" /** * @file @@ -144,8 +145,10 @@ static av_cold int adpcm_encode_init(AVCodecContext *avctx) goto error; } +#if FF_API_OLD_ENCODE_AUDIO if (!(avctx->coded_frame = avcodec_alloc_frame())) goto error; +#endif return 0; error: @@ -156,7 +159,9 @@ error: static av_cold int adpcm_encode_close(AVCodecContext *avctx) { ADPCMEncodeContext *s = avctx->priv_data; +#if FF_API_OLD_ENCODE_AUDIO av_freep(&avctx->coded_frame); +#endif av_freep(&s->paths); av_freep(&s->node_buf); av_freep(&s->nodep_buf); @@ -473,23 +478,31 @@ static void adpcm_compress_trellis(AVCodecContext *avctx, c->idelta = nodes[0]->step; } -static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, - int buf_size, void *data) +static int adpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, + const AVFrame *frame, int *got_packet_ptr) { - int n, i, st; - int16_t *samples; + int n, i, st, pkt_size, ret; + const int16_t *samples; uint8_t *dst; ADPCMEncodeContext *c = avctx->priv_data; uint8_t *buf; - dst = frame; - samples = data; + samples = (const int16_t *)frame->data[0]; st = avctx->channels == 2; - /* n = (BLKSIZE - 4 * avctx->channels) / (2 * 8 * avctx->channels); */ + + if (avctx->codec_id == CODEC_ID_ADPCM_SWF) + pkt_size = (2 + avctx->channels * (22 + 4 * (frame->nb_samples - 1)) + 7) / 8; + else + pkt_size = avctx->block_align; + if ((ret = ff_alloc_packet(avpkt, pkt_size))) { + av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n"); + return ret; + } + dst = avpkt->data; switch(avctx->codec->id) { case CODEC_ID_ADPCM_IMA_WAV: - n = avctx->frame_size / 8; + n = frame->nb_samples / 8; c->status[0].prev_sample = samples[0]; /* c->status[0].step_index = 0; XXX: not sure how to init the state machine */ @@ -557,7 +570,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, { int ch, i; PutBitContext pb; - init_put_bits(&pb, dst, buf_size * 8); + init_put_bits(&pb, dst, pkt_size * 8); for (ch = 0; ch < avctx->channels; ch++) { put_bits(&pb, 9, (c->status[ch].prev_sample + 0x10000) >> 7); @@ -581,16 +594,15 @@ static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, } flush_put_bits(&pb); - dst += put_bits_count(&pb) >> 3; break; } case CODEC_ID_ADPCM_SWF: { int i; PutBitContext pb; - init_put_bits(&pb, dst, buf_size * 8); + init_put_bits(&pb, dst, pkt_size * 8); - n = avctx->frame_size - 1; + n = frame->nb_samples - 1; // store AdpcmCodeSize put_bits(&pb, 2, 2); // set 4-bit flash adpcm format @@ -617,7 +629,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, } av_free(buf); } else { - for (i = 1; i < avctx->frame_size; i++) { + for (i = 1; i < frame->nb_samples; i++) { put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * i])); if (avctx->channels == 2) @@ -626,7 +638,6 @@ static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, } } flush_put_bits(&pb); - dst += put_bits_count(&pb) >> 3; break; } case CODEC_ID_ADPCM_MS: @@ -674,7 +685,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, } break; case CODEC_ID_ADPCM_YAMAHA: - n = avctx->frame_size / 2; + n = frame->nb_samples / 2; if (avctx->trellis > 0) { FF_ALLOC_OR_GOTO(avctx, buf, 2 * n * 2, error); n *= 2; @@ -700,7 +711,10 @@ static int adpcm_encode_frame(AVCodecContext *avctx, uint8_t *frame, default: return AVERROR(EINVAL); } - return dst - frame; + + avpkt->size = pkt_size; + *got_packet_ptr = 1; + return 0; error: return AVERROR(ENOMEM); } @@ -713,7 +727,7 @@ AVCodec ff_ ## name_ ## _encoder = { \ .id = id_, \ .priv_data_size = sizeof(ADPCMEncodeContext), \ .init = adpcm_encode_init, \ - .encode = adpcm_encode_frame, \ + .encode2 = adpcm_encode_frame, \ .close = adpcm_encode_close, \ .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16, \ AV_SAMPLE_FMT_NONE}, \