int dc_gpac_audio_isom_write(AudioOutputFile * p_aoutf) {
GF_Err ret;
//AVStream * p_video_stream =
// p_voutf->p_fmt->streams[p_voutf->i_vstream_idx];
//AVCodecContext * p_video_codec_ctx = p_video_stream->codec;
//AVCodecContext * p_audio_codec_ctx = p_aoutf->p_codec_ctx;
p_aoutf->p_sample->data = (char *) p_aoutf->packet.data;
p_aoutf->p_sample->dataLength = p_aoutf->packet.size;
p_aoutf->p_sample->DTS = p_aoutf->dts; //p_aoutf->p_aframe->pts;
p_aoutf->p_sample->IsRAP = 1; //p_aoutf->p_aframe->key_frame;//p_audio_codec_ctx->coded_frame->key_frame;
//printf("RAP %d , DTS %ld \n", p_aoutf->p_sample->IsRAP, p_aoutf->p_sample->DTS);
ret = gf_isom_fragment_add_sample(p_aoutf->p_isof, 1, p_aoutf->p_sample, 1,
p_aoutf->p_codec_ctx->frame_size, 0, 0, 0);
p_aoutf->dts += p_aoutf->p_codec_ctx->frame_size;
if (ret != GF_OK) {
fprintf(stderr, "%s: gf_isom_fragment_add_sample\n",
gf_error_to_string(ret));
return -1;
}
// ret = gf_isom_flush_fragments(p_voutf->p_isof, 1);
// if (ret != GF_OK) {
// fprintf(stderr, "%s: gf_isom_flush_fragments\n",
// gf_error_to_string(ret));
// return -1;
// }
return 0;
}
int dc_gpac_audio_isom_write(AudioOutputFile *audio_output_file)
{
GF_Err ret;
audio_output_file->sample->data = (char *) audio_output_file->packet.data;
audio_output_file->sample->dataLength = audio_output_file->packet.size;
audio_output_file->sample->DTS = audio_output_file->dts; //audio_output_file->aframe->pts;
audio_output_file->sample->IsRAP = RAP; //audio_output_file->aframe->key_frame;//audio_codec_ctx->coded_frame->key_frame;
ret = gf_isom_fragment_add_sample(audio_output_file->isof, 1, audio_output_file->sample, 1, audio_output_file->codec_ctx->frame_size, 0, 0, 0);
audio_output_file->dts += audio_output_file->codec_ctx->frame_size;
if (ret != GF_OK) {
GF_LOG(GF_LOG_ERROR, GF_LOG_DASH, ("%s: gf_isom_fragment_add_sample\n", gf_error_to_string(ret)));
return -1;
}
return 0;
}
int dc_gpac_video_isom_write(VideoOutputFile *video_output_file)
{
GF_Err ret;
AVCodecContext *video_codec_ctx = video_output_file->codec_ctx;
u32 sc_size = 0;
u32 nalu_size = 0;
u32 buf_len = video_output_file->encoded_frame_size;
u8 *buf_ptr = video_output_file->vbuf;
GF_BitStream *out_bs = gf_bs_new(NULL, 2 * buf_len, GF_BITSTREAM_WRITE);
nalu_size = gf_media_nalu_next_start_code(buf_ptr, buf_len, &sc_size);
if (nalu_size != 0) {
gf_bs_write_u32(out_bs, nalu_size);
gf_bs_write_data(out_bs, (const char*) buf_ptr, nalu_size);
}
if (sc_size) {
buf_ptr += (nalu_size + sc_size);
buf_len -= (nalu_size + sc_size);
}
while (buf_len) {
nalu_size = gf_media_nalu_next_start_code(buf_ptr, buf_len, &sc_size);
if (nalu_size != 0) {
gf_bs_write_u32(out_bs, nalu_size);
gf_bs_write_data(out_bs, (const char*) buf_ptr, nalu_size);
}
buf_ptr += nalu_size;
if (!sc_size || (buf_len < nalu_size + sc_size))
break;
buf_len -= nalu_size + sc_size;
buf_ptr += sc_size;
}
gf_bs_get_content(out_bs, &video_output_file->sample->data, &video_output_file->sample->dataLength);
//video_output_file->sample->data = //(char *) (video_output_file->vbuf + nalu_size + sc_size);
//video_output_file->sample->dataLength = //video_output_file->encoded_frame_size - (sc_size + nalu_size);
video_output_file->sample->DTS = video_codec_ctx->coded_frame->pkt_dts;
video_output_file->sample->CTS_Offset = (s32) (video_codec_ctx->coded_frame->pts - video_output_file->sample->DTS);
video_output_file->sample->IsRAP = video_codec_ctx->coded_frame->key_frame;
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("Isom Write: RAP %d , DTS "LLD" CTS offset %d \n", video_output_file->sample->IsRAP, video_output_file->sample->DTS, video_output_file->sample->CTS_Offset));
ret = gf_isom_fragment_add_sample(video_output_file->isof, video_output_file->trackID, video_output_file->sample, 1, video_output_file->use_source_timing ? (u32) video_output_file->frame_dur : 1, 0, 0, 0);
if (ret != GF_OK) {
gf_bs_del(out_bs);
GF_LOG(GF_LOG_ERROR, GF_LOG_DASH, ("%s: gf_isom_fragment_add_sample\n", gf_error_to_string(ret)));
return -1;
}
//free data but keep sample structure alive
gf_free(video_output_file->sample->data);
video_output_file->sample->data = NULL;
video_output_file->sample->dataLength = 0;
gf_bs_del(out_bs);
return 0;
}
