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encoder.c
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encoder.c
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#include <sched.h>
#if defined(SYS_MACOSX) || defined(SYS_FREEBSD)
#include <sys/sysctl.h>
#endif
#include "lav.h"
#include "hqv.h"
#include "codec.h"
#include "libx264.h"
#include "encoder.h"
// Number of CPU's on system
static int cpu_num(void) {
int np = 1;
#if defined (SYS_LINUX)
unsigned int bit;
cpu_set_t p_aff;
memset( &p_aff, 0, sizeof(p_aff) );
sched_getaffinity( 0, sizeof(p_aff), &p_aff );
for( np = 0, bit = 0; bit < sizeof(p_aff); bit++ )
np += (((uint8_t *)&p_aff)[bit / 8] >> (bit % 8)) & 1;
return np;
#elif defined(SYS_MACOSX) || defined(SYS_FREEBSD)
size_t length = sizeof( np );
if( sysctlbyname("hw.ncpu", &np, &length, NULL, 0) )
{
np = 1;
}
return np;
#else
return np;
#endif
}
/**********************/
/* A/V Encoding Muxer */
/**********************/
int init_muxer(CodecSettings *cs, char *o_filename) {
time_t t;
struct tm tmbase;
t = time(NULL);
localtime_r(&t,&tmbase);
#if (LIBAVCODEC_VERSION_MINOR > 33 && LIBAVCODEC_VERSION_MAJOR >= 52)
cs->fmt = av_guess_format(cs->mux_format, NULL, NULL);
#else
cs->fmt = guess_format(cs->mux_format, NULL, NULL);
#endif
if (!cs->fmt) {
av_log(NULL, AV_LOG_FATAL, "\rCould not find suitable output format\n");
return -1;
}
cs->oc = avformat_alloc_context();
if (!cs->oc) {
av_log(NULL, AV_LOG_FATAL, "\rCould not allocate output context for format\n");
return -1;
}
cs->oc->oformat = cs->fmt;
cs->oc->flags |= AVFMT_FLAG_NONBLOCK;
cs->oc->flags |= AVFMT_FLAG_GENPTS;
#ifdef AVFMT_FLAG_IGNDTS
cs->oc->flags |= AVFMT_FLAG_IGNDTS;
#endif
current_date(cs->ts);
/*if (strcmp(cs->mux_format, "asf")) {
if (!strcmp(cs->title, "")) {
sprintf(cs->oc->title, "(C) The Groovy Organization (%s [%s-%s-%d])",
cs->ts, cs->hqv->channel, cs->hostname, cs->hqv->device);
} else
sprintf(cs->oc->title, "%s", cs->title);
if (!strcmp(cs->author, ""))
sprintf(cs->oc->author, "Chris Kennedy");
else
sprintf(cs->oc->author, "%s", cs->author);
if (!strcmp(cs->copyright, ""))
sprintf(cs->oc->copyright, "(C) The Groovy Organization %d", tmbase.tm_year+1900);
else
sprintf(cs->oc->copyright, "%s", cs->copyright);
if (!strcmp(cs->comment, ""))
sprintf(cs->oc->comment, "NGTC Version %s by Chris Kennedy", NGTC_VERSION);
else
sprintf(cs->oc->comment, "%s", cs->comment);
if (!strcmp(cs->album, ""))
sprintf(cs->oc->album, "The Groovy Organization");
else
sprintf(cs->oc->album, "%s", cs->album);
}*/
cs->oc->timestamp = parse_date(cs->ts, 0) / 1000000;
if (o_filename)
snprintf(cs->oc->filename, sizeof(cs->oc->filename), "%s", o_filename);
return 0;
}
// Start Muxer
int start_muxer(CodecSettings *cs, char *o_filename) {
if (av_set_parameters(cs->oc, NULL) < 0) {
av_log(NULL, AV_LOG_FATAL, "\rInvalid output format parameters\n");
return -1;
}
if (o_filename && !(cs->fmt->flags & AVFMT_NOFILE)) {
if (url_fopen(&cs->oc->pb, o_filename, URL_WRONLY) < 0) {
av_log(NULL, AV_LOG_FATAL, "\rCould not open '%s'\n", o_filename);
return -1;
}
}
if (o_filename)
av_write_header(cs->oc);
return 0;
}
// Mux Audio/Video frames, 0=audio 1=video
void mux_frame(CodecSettings *cs, uint8_t *outbuf, int size, int type, int rescale, int interleave) {
AVCodecContext *c;
AVStream *st = type?cs->video_st:cs->audio_st;
AVFormatContext *oc = cs->oc;
AVPacket pkt;
int ret;
// Check if output file is setup
if (!cs->oc || !cs->oc->pb)
return;
av_init_packet(&pkt);
c = st->codec;
if (!type && rescale) // Audio duration
pkt.duration = av_rescale((int64_t)cs->aEncCtx->frame_size*st->time_base.den,
st->time_base.num, cs->aEncCtx->sample_rate);
if (c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE)
pkt.pts= av_rescale_q(c->coded_frame->pts, c->time_base, st->time_base);
else
pkt.pts = AV_NOPTS_VALUE;
pkt.dts = AV_NOPTS_VALUE;
if (!type || (c->coded_frame && c->coded_frame->key_frame))
pkt.flags |= AV_PKT_FLAG_KEY;
pkt.stream_index= st->index;
pkt.data= outbuf;
pkt.size = size;
av_log(NULL, AV_LOG_DEBUG, "\r%s Mux Duration %d Packet PTS: %"PRId64" Frame PTS: %"PRId64" Stream PTS: %"PRId64"\n",
type?"Video":"Audio", pkt.duration, (pkt.pts==AV_NOPTS_VALUE)?0:pkt.pts,
(c->coded_frame&&c->coded_frame->pts!=AV_NOPTS_VALUE)?c->coded_frame->pts:0,
(st->pts.val==AV_NOPTS_VALUE)?0:st->pts.val);
if (interleave)
ret = av_interleaved_write_frame(oc, &pkt);
else
ret = av_write_frame(oc, &pkt);
if (ret!= 0) {
av_log(NULL, AV_LOG_FATAL, "\rMux Error while writing %s frame, exiting!\n", type?"video":"audio");
exit(1);
}
}
// Stop Muxer
void stop_muxer(CodecSettings *cs) {
int i;
// Write End of File
if (cs->oc && cs->oc->pb) {
av_write_trailer(cs->oc);
// Close File
if (!(cs->fmt->flags & AVFMT_NOFILE))
url_fclose(cs->oc->pb);
}
/* free the streams */
for(i = 0; i < cs->oc->nb_streams; i++) {
if (cs->oc->streams[i]->codec->opaque)
av_free(cs->oc->streams[i]->codec->opaque);
cs->oc->streams[i]->codec->opaque = NULL;
if ((cs->oc->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO && !cs->copy_audio) ||
(cs->oc->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO && !cs->copy_video) ||
(cs->oc->streams[i]->codec->codec_type != AVMEDIA_TYPE_VIDEO &&
cs->oc->streams[i]->codec->codec_type != AVMEDIA_TYPE_AUDIO))
avcodec_close(cs->oc->streams[i]->codec);
av_free(cs->oc->streams[i]->codec);
av_free(cs->oc->streams[i]);
}
cs->fmt = NULL;
// Free Muxer and Output Codecs
av_free(cs->oc);
}
/********************************************
* Video Encoder
*******************************************/
int init_video_encoder(CodecSettings *cs) {
int flags = 0;
int flags2 = 0;
int partitions = 0;
float mux_preload= 0.5;
float mux_max_delay= 0.7;
cs->video_st = av_new_stream(cs->oc, 0);
cs->vEncCtx = cs->video_st->codec;
cs->vEncCtx->codec_id = cs->video_codec_id;
cs->vEncCtx->codec_type = CODEC_TYPE_VIDEO;
if(cs->oc->oformat->flags & AVFMT_GLOBALHEADER)
cs->vEncCtx->flags |= CODEC_FLAG_GLOBAL_HEADER;
cs->vEncCodec = avcodec_find_encoder_by_name(cs->video_codec);
if (cs->vEncCodec == NULL) {
av_log(NULL, AV_LOG_FATAL, "\rError: Codec for video encoder not found.\n");
return -1; // Codec not found
}
if (cs->video_codec_id == CODEC_ID_MPEG1VIDEO)
cs->vEncCtx->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
if (!cs->nodeblock)
flags |= CODEC_FLAG_LOOP_FILTER;
if (cs->video_codec_id == CODEC_ID_H264) {
if (cs->level > 0)
cs->vEncCtx->level = (int)round(10*cs->level);
if (!strcmp(cs->profile, "high"))
flags2 |= CODEC_FLAG2_8X8DCT;
if (cs->aud)
flags2 |= CODEC_FLAG2_AUD;
if (cs->partitions & X264_PART_I4X4)
partitions |= X264_PART_I4X4;
if (cs->partitions & X264_PART_I8X8)
partitions |= X264_PART_I8X8;
if (cs->partitions & X264_PART_P8X8)
partitions |= X264_PART_P8X8;
if (cs->partitions & X264_PART_P4X4)
partitions |= X264_PART_P4X4;
if (cs->partitions & X264_PART_B8X8)
partitions |= X264_PART_B8X8;
#if (LIBAVCODEC_VERSION_MINOR > 33 && LIBAVCODEC_VERSION_MAJOR >= 52)
cs->vEncCtx->weighted_p_pred = cs->weightp;
#endif
}
if (cs->do_threads == -1) {
// Threads per CPU + 1
if (cpu_num() > 1)
cs->vEncCtx->thread_count = cpu_num()+1;
else
cs->vEncCtx->thread_count = 1;
} else
cs->vEncCtx->thread_count = cs->do_threads;
if (cs->vEncCtx->thread_count > 1)
avcodec_thread_init(cs->video_st->codec, cs->vEncCtx->thread_count);
av_log(NULL, AV_LOG_VERBOSE, "\rVideo Using %d threads for %d cpu's.\n",
cs->vEncCtx->thread_count, cpu_num());
if (cs->wpred)
flags2 |= CODEC_FLAG2_WPRED;
if (cs->bpyramid)
flags2 |= CODEC_FLAG2_BPYRAMID;
if (cs->mixed_refs)
flags2 |= CODEC_FLAG2_MIXED_REFS;
if (cs->fastpskip)
flags2 |= CODEC_FLAG2_FASTPSKIP;
if (cs->psnr)
flags |= CODEC_FLAG_PSNR;
if (cs->video_codec_id == CODEC_ID_MPEG2VIDEO || cs->video_codec_id == CODEC_ID_MPEG1VIDEO) {
flags |= CODEC_FLAG_CLOSED_GOP;
flags2 |= CODEC_FLAG2_STRICT_GOP|CODEC_FLAG2_LOCAL_HEADER;
}
if (cs->do_interlace) {
flags |= CODEC_FLAG_INTERLACED_DCT;
flags |= CODEC_FLAG_INTERLACED_ME;
}
cs->vEncCtx->flags |= flags;
cs->vEncCtx->flags2 |= flags2;
cs->vEncCtx->pix_fmt = PIX_FMT_YUV420P;
cs->vEncCtx->width = cs->w;
cs->vEncCtx->height = cs->h;
cs->vEncCtx->sample_aspect_ratio = cs->sar;
if (cs->vEncCodec->supported_framerates)
cs->ofps = cs->vEncCodec->supported_framerates[av_find_nearest_q_idx(cs->ofps, cs->vEncCodec->supported_framerates)];
cs->out_fps = av_q2d(cs->ofps);
cs->vEncCtx->time_base = (AVRational){cs->ofps.den,cs->ofps.num};
//
av_log(NULL, AV_LOG_VERBOSE, "\rSet Framerate: %d/%d\n", cs->ofps.num, cs->ofps.den);
cs->video_st->sample_aspect_ratio = cs->sar;
cs->video_st->time_base = cs->vEncCtx->time_base;
// Quantizer levels
if (cs->video_codec_id == CODEC_ID_H264) {
cs->vEncCtx->qmin = 10;
cs->vEncCtx->qmax = 51;
cs->vEncCtx->i_quant_factor = 0.712;
cs->vEncCtx->b_quant_factor = 1.30;
cs->vEncCtx->chromaoffset = 0;
cs->vEncCtx->max_qdiff = 4;
// Cabac Mode
if (cs->cabac && strcmp(cs->profile, "baseline"))
cs->vEncCtx->coder_type = FF_CODER_TYPE_AC;
} else {
cs->vEncCtx->qmin = 2;
cs->vEncCtx->qmax = 31;
}
// Set GOP Size
if (cs->goplen > 0)
cs->vEncCtx->gop_size = (int)round(((double)cs->ofps.num/(double)cs->ofps.den) * (double)cs->goplen);
else
cs->vEncCtx->gop_size = cs->gop;
cs->vEncCtx->keyint_min = (int)round((double)cs->ofps.num/(double)cs->ofps.den);
if (cs->vEncCtx->keyint_min < cs->out_fps)
cs->vEncCtx->keyint_min = (int)round(cs->out_fps);
if (cs->vEncCtx->keyint_min > cs->vEncCtx->gop_size)
cs->vEncCtx->keyint_min = cs->vEncCtx->gop_size;
av_log(NULL, AV_LOG_VERBOSE, "\rVideo GOP size %d with keyframe min %d.\n",
cs->vEncCtx->gop_size, cs->vEncCtx->keyint_min);
cs->vEncCtx->refs = cs->refs;
cs->vEncCtx->crf = cs->crf;
cs->vEncCtx->bit_rate = cs->bitrate;
if (cs->bt >= 1)
cs->vEncCtx->bit_rate_tolerance = cs->bt * cs->bitrate;
cs->vEncCtx->rc_max_rate = cs->maxrate;
cs->vEncCtx->rc_min_rate = cs->minrate;
cs->vEncCtx->rc_buffer_size = cs->bufsize;
if (cs->video_codec_id == CODEC_ID_H264) {
if (strcmp(cs->profile, "baseline"))
cs->vEncCtx->max_b_frames = cs->bframes;
else
cs->vEncCtx->max_b_frames = 0;
} else
cs->vEncCtx->max_b_frames = cs->bframes;
if (cs->vEncCtx->max_b_frames)
cs->vEncCtx->b_frame_strategy = cs->bstrategy;
if (cs->video_codec_id == CODEC_ID_H264)
cs->vEncCtx->me_method = calc_me(cs->me_method);
else
cs->vEncCtx->me_method = calc_me("epzs");
if (cs->video_codec_id == CODEC_ID_MPEG2VIDEO || cs->video_codec_id == CODEC_ID_MPEG1VIDEO)
cs->vEncCtx->scenechange_threshold = 1000000000;
else
cs->vEncCtx->scenechange_threshold = cs->scthreshold;
if (cs->chroma_me > 0)
cs->vEncCtx->me_cmp |= FF_CMP_CHROMA;
cs->vEncCtx->me_range = cs->me_range;
cs->vEncCtx->trellis = cs->trellis;
cs->vEncCtx->deblockalpha = cs->deblocka;
cs->vEncCtx->deblockbeta = cs->deblockb;
cs->vEncCtx->directpred = cs->directpred;
cs->vEncCtx->qcompress = cs->qcomp;
cs->vEncCtx->me_subpel_quality = cs->subme;
cs->vEncCtx->partitions = partitions;
cs->vEncCtx->rc_qsquish = cs->qsquish;
cs->vEncCtx->noise_reduction = cs->nr;
// Custom H.264 Settings
if (cs->video_codec_id == CODEC_ID_H264 && !strcmp(cs->vEncCodec->name, "ngtcx264")) {
if (!cs->vEncCtx->opaque)
cs->vEncCtx->opaque = av_mallocz(sizeof(ngtc_X264Codec));
if (!cs->vEncCtx->opaque) {
av_log(NULL, AV_LOG_FATAL, "Error allocating H.264 opaque data\n");
return -1;
} else {
ngtc_X264Codec *codec = cs->vEncCtx->opaque;
codec->mbtree = cs->mbtree;
codec->lookahead = cs->lookahead;
codec->psy_rd = cs->psy_rd;
codec->psy_trellis = cs->psy_trellis;
codec->aq = cs->aq;
codec->aq_strength = cs->aq_strength;
codec->h264_slices = cs->slices;
codec->ssim = cs->ssim;
}
}
// High Quality Mode
if (cs->hq) {
flags |= CODEC_FLAG_MV0;
if (cs->video_codec_id == CODEC_ID_H264)
flags |= CODEC_FLAG_4MV;
if (cs->vEncCtx->trellis)
flags |= CODEC_FLAG_CBP_RD;
cs->vEncCtx->ildct_cmp = 2;
cs->vEncCtx->me_cmp = 2;
cs->vEncCtx->me_pre_cmp = 2;
cs->vEncCtx->me_sub_cmp = 2;
cs->vEncCtx->dia_size = 2;
cs->vEncCtx->last_predictor_count = 3;
cs->vEncCtx->pre_dia_size = 2;
cs->vEncCtx->lmin = 1;
cs->vEncCtx->mb_decision = FF_MB_DECISION_RD;
if (cs->video_codec_id != CODEC_ID_MPEG2VIDEO && cs->video_codec_id != CODEC_ID_MPEG1VIDEO)
cs->vEncCtx->intra_dc_precision = 10;
}
if (!cs->vEncCtx->rc_initial_buffer_occupancy)
cs->vEncCtx->rc_initial_buffer_occupancy = cs->vEncCtx->rc_buffer_size*3/4;
if (cs->muxrate > 0)
cs->oc->mux_rate = cs->muxrate;
if (cs->packetsize > 0)
cs->oc->packet_size = cs->packetsize;
if (cs->video_codec_id == CODEC_ID_MPEG1VIDEO)
mux_preload = (36000+3*1200) / 90000.0;
cs->oc->preload= (int)(mux_preload*AV_TIME_BASE);
cs->oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
return 0;
}
int open_video_encoder(CodecSettings *cs) {
if (!cs->copy_video && avcodec_open(cs->vEncCtx, cs->vEncCodec) < 0) {
av_log(NULL, AV_LOG_FATAL, "Error: Codec for video encoder failed to open.\n");
return -1; // Codec didn't open
}
return 0;
}
/************************
* Audio Encoder
***********************/
int init_audio_encoder(CodecSettings *cs) {
cs->audio_st = av_new_stream(cs->oc, 1);
cs->aEncCtx = cs->audio_st->codec;
cs->aEncCtx->codec_id = cs->audio_codec_id;
cs->aEncCtx->codec_type = CODEC_TYPE_AUDIO;
if(cs->oc->oformat->flags & AVFMT_GLOBALHEADER)
cs->aEncCtx->flags |= CODEC_FLAG_GLOBAL_HEADER;
cs->aEncCodec = avcodec_find_encoder_by_name(cs->audio_codec);
if (cs->aEncCodec == NULL) {
av_log(NULL, AV_LOG_FATAL, "Error: Codec for audio encoder not found.\n");
return -1; // Codec not found
}
if (cs->audio_quality) {
cs->aEncCtx->flags |= CODEC_FLAG_QSCALE;
cs->aEncCtx->global_quality = /*FF_QP2LAMBDA **/ cs->audio_quality;
}
cs->aEncCtx->bit_rate = cs->abitrate;
cs->aEncCtx->sample_rate = cs->arate;
cs->aEncCtx->channels = cs->achan;
cs->aEncCtx->channel_layout = cs->channel_layout;
cs->aEncCtx->profile = cs->audio_profile;
cs->aEncCtx->time_base = (AVRational){1, cs->aEncCtx->sample_rate};
cs->audio_st->time_base = cs->aEncCtx->time_base;
// Audio sample format for encoding output
cs->aEncCtx->sample_fmt = cs->sample_fmt;
if(cs->aEncCodec && cs->aEncCodec->sample_fmts){
const enum SampleFormat *p= cs->aEncCodec->sample_fmts;
for(; *p!=-1; p++){
if(*p == cs->sample_fmt)
break;
}
if(*p == -1)
cs->aEncCtx->sample_fmt = cs->aEncCodec->sample_fmts[0];
}
return 0;
}
int open_audio_encoder(CodecSettings *cs) {
if (!cs->copy_audio && avcodec_open(cs->aEncCtx, cs->aEncCodec) < 0) {
av_log(NULL, AV_LOG_FATAL, "Error: Codec for audio encoder failed to open.\n");
return -1; // Codec didn't open
}
return 0;
}
/*************************************************
* FLUSH VIDEO AND AUDIO STREAM
************************************************/
int flush_video_encoder(CodecSettings *cs, uint8_t *video_outbuf, int video_outbuf_size, FILE *vFile) {
AVFormatContext *oc = cs->oc;
AVStream *st = cs->video_st;
AVCodecContext *vEncCtx = cs->vEncCtx;
int out_size = 1;
int x = 0;
int bytes = 0;
if (cs->copy_video)
return 0;
av_log(NULL, AV_LOG_VERBOSE, "\rAttempting to flush video encoder...\n");
// get the delayed frames
while(out_size > 0) {
out_size = avcodec_encode_video(vEncCtx, video_outbuf, video_outbuf_size, NULL);
if (out_size > 0) {
bytes += out_size;
if (oc && st && oc->pb) {
mux_frame(cs, video_outbuf, out_size,
1, 0/*rescale*/,
(cs->do_audio && cs->do_video && !cs->do_demux)/*interleave*/);
} else if (vFile) {
if (fwrite(video_outbuf, 1, out_size, vFile) != out_size) {
av_log(NULL, AV_LOG_ERROR, "Error: fwrite failed to write output video file.\n");
}
}
if (x == 0)
av_log(NULL, AV_LOG_VERBOSE, "\n");
av_log(NULL, AV_LOG_VERBOSE,
"\rVideo Flush/Write frame %3d (size=%5d) total: %d\n", ++x, out_size, bytes);
}
}
if (bytes == 0)
av_log(NULL, AV_LOG_VERBOSE, "\rFlush video encoder failed with output %d\n", out_size);
return bytes;
}
int flush_audio_encoder(CodecSettings *cs, AVFifoBuffer *audio_fifo, uint8_t *audio_outbuf, uint8_t * bit_buffer, int bit_buffer_size, FILE *aFile, int do_padding) {
AVFormatContext *oc = cs->oc;
AVStream *st = cs->audio_st;
AVCodecContext *aEncCtx = cs->aEncCtx;
int osize = av_get_bits_per_sample_fmt(aEncCtx->sample_fmt) >> 3;
int bytes = 0;
int x = 0;
if (cs->copy_audio)
return 0;
av_log(NULL, AV_LOG_VERBOSE, "\rAttempting to flush audio encoder...\n");
for(;;) {
int fs_tmp = aEncCtx->frame_size;
int out_size = 0;
int fifo_bytes = av_fifo_size(audio_fifo);
int rescale = 0;
if (fifo_bytes)
av_log(NULL, AV_LOG_VERBOSE, "Audio flush buffer contains %d bytes\n", fifo_bytes);
if (aEncCtx->frame_size <= 1)
return 0;
if (!do_padding && !(aEncCtx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
int frame_bytes = aEncCtx->frame_size * osize * aEncCtx->channels;
if (fifo_bytes > frame_bytes)
fifo_bytes -= (fifo_bytes % frame_bytes);
else if (fifo_bytes < frame_bytes)
fifo_bytes = 0;
if (fifo_bytes) {
av_log(NULL, AV_LOG_VERBOSE, "Audio flush buffer [%d] frame_bytes aligned to %d bytes of %d fifo bytes\n",
frame_bytes, fifo_bytes, av_fifo_size(audio_fifo));
} else
av_log(NULL, AV_LOG_VERBOSE, "Audio flush buffer not able to flush [%d] frame_bytes fifo has %d bytes\n",
frame_bytes, av_fifo_size(audio_fifo));
}
if (fifo_bytes > 0) {
av_fifo_generic_read(audio_fifo, (uint8_t *)audio_outbuf, fifo_bytes, NULL );
if(aEncCtx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)
aEncCtx->frame_size = fifo_bytes / (osize * aEncCtx->channels);
else { // PAD
int frame_bytes = aEncCtx->frame_size * osize * aEncCtx->channels;
if (bit_buffer_size < frame_bytes) {
av_log(NULL, AV_LOG_FATAL, "Audio flush error, bit buffer size %d too small for frame bytes %d\n",
bit_buffer_size, frame_bytes);
aEncCtx->frame_size = fs_tmp;
return 0;
}
memset((uint8_t*)audio_outbuf+fifo_bytes, 0, frame_bytes - fifo_bytes);
av_log(NULL, AV_LOG_VERBOSE, "Audio flush padding last %d bytes in fifo to frame bytes %d\n",
fifo_bytes, frame_bytes);
}
out_size = avcodec_encode_audio(aEncCtx, bit_buffer, bit_buffer_size, (short*)audio_outbuf);
rescale = 1;
}
if (out_size <= 0) {
out_size = avcodec_encode_audio(aEncCtx, bit_buffer, bit_buffer_size, NULL);
if (out_size > 0)
av_log(NULL, AV_LOG_VERBOSE, "Audio flush last %d bytes from encoder\n", out_size);
}
if (out_size < 0) {
av_log(NULL, AV_LOG_ERROR, "Audio flush encoding failed %d\n", out_size);
aEncCtx->frame_size = fs_tmp;
break;
}
// Got Data
if (out_size > 0) {
bytes += out_size;
if (x == 0)
av_log(NULL, AV_LOG_VERBOSE, "\n");
av_log(NULL, AV_LOG_VERBOSE, "\rAudio Flush/Write frame %3d (size=%5d) total: %d fifo_size: %d frame_size: %d\n",
++x, out_size, bytes, fifo_bytes, fs_tmp);
if (oc && st && oc->pb) {
mux_frame(cs, bit_buffer, out_size,
0, rescale,
(cs->do_audio && cs->do_video && !cs->do_demux));
} else if (aFile) {
if (fwrite(bit_buffer, 1,
out_size, aFile) != out_size) {
av_log(NULL, AV_LOG_ERROR, "Error: fwrite failed to write output audio file.\n");
}
}
}
aEncCtx->frame_size = fs_tmp;
if (out_size <= 0)
break;
}
return bytes;
}