[AV_SAMPLE_FMT_S64] = { .name ="s64", .bits =64, .planar =0, .altform = AV_SAMPLE_FMT_S64P }, [AV_SAMPLE_FMT_FLT] = { .name ="flt", .bits =32, .planar =0, .altform = AV_SAMPLE_FMT_FLTP }, [AV_SAMPLE_FMT_DBL] = { .name ="dbl", .bits =64, .planar =0,...
使用FFmpeg解码的PCM音频数据是以一定格式存放的,包含在codec_ctx->sample_fmt中。使用AudioUnit可以直接播放FFmpeg中AV_SAMPLE_FMT_S16、AV_SAMPLE_FMT_S16P、AV_SAMPLE_FMT_FLT和AV_SAMPLE_FMT_FLTP格式的PCM数据。 //通过AUGraph来创建AudioUnit-(OSStatus)setupAudioUnitWithStreamDescription:(AudioStreamBasicDes...
同时有些是用到其他资源，jvm也不会进行回收，类似Io流中的FileInputStream使用到了硬盘资源，垃圾回收器...
<stdio.h> } int main() { AVSampleFormat sample_fmt = AV_SAMPLE_FMT_FLTP; const char *sample_fmt_name = av_get_sample_fmt_name(sample_fmt); if (sample_fmt_name) { printf("Sample format name: %s\n", sample_fmt_name); } else { printf("Unknown sample format\n"); } return 0...
从标准输入读取图像， 将背景模式设置为浅色或深色， 设置边框， 设置输出高度和宽度， 为输出图像设置自...
s->nb_samples, AV_SAMPLE_FMT_S32P, 0); if (ret < 0) return ret; } else { for (chan = 0; chan < avctx->channels; chan++)s->decoded[chan] = (int32_t *)s->frame.data[chan];0 comments on commit f8d6882 Please sign in to comment. Footer...
> transcode.c:428:35: error: use of undeclared identifier 'SAMPLE_FMT_S16'; did > you mean 'AV_SAMPLE_FMT_S16'? > if ((ctx->acodec->sample_fmt != SAMPLE_FMT_S16) > ^~~~ > AV_SAMPLE_FMT_S16 > /usr/include/libavutil/samplefmt.h:52:5: note: 'AV_SAMPLE_FMT_S16' decla...
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简介:关于 海思平台sample的demo中添加ffmpeg静态库(.a)报错误undefined reference toavpriv_pix_fmt_hps_avi等错误 的解决方法 问题 海思的demo,加入ffmpeg库(.a为静态库),报错如下: 原因 因为加入的是静态库,其加入前后顺序依赖有关系。
data quality scheme GS1 adds sample product checks to data quality schemeGS1 adds sample product checks to data quality schemeThe article reports on the efforts of GS1 UK Ltd. to ensure da...