+ if (avctx->codec->sample_fmts) {
+ for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
+ if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
+ break;
+ if (avctx->channels == 1 &&
+ av_get_planar_sample_fmt(avctx->sample_fmt) ==
+ av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
+ avctx->sample_fmt = avctx->codec->sample_fmts[i];
+ break;
+ }
+ }
+ if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
+ av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
+ (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
+ return AVERROR(EINVAL);
+ }
+ }
+ if (avctx->codec->pix_fmts) {
+ for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
+ if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
+ break;
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE
+ && !((avctx->codec_id == AV_CODEC_ID_MJPEG || avctx->codec_id == AV_CODEC_ID_LJPEG)
+ && avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
+ av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
+ (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
+ return AVERROR(EINVAL);
+ }
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
+ avctx->color_range = AVCOL_RANGE_JPEG;
+ }
+ if (avctx->codec->supported_samplerates) {
+ for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
+ if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
+ break;
+ if (avctx->codec->supported_samplerates[i] == 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
+ avctx->sample_rate);
+ return AVERROR(EINVAL);
+ }
+ }
+ if (avctx->sample_rate < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
+ avctx->sample_rate);
+ return AVERROR(EINVAL);
+ }
+ if (avctx->codec->channel_layouts) {
+ if (!avctx->channel_layout) {
+ av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
+ } else {
+ for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
+ if (avctx->channel_layout == avctx->codec->channel_layouts[i])
+ break;
+ if (avctx->codec->channel_layouts[i] == 0) {
+ char buf[512];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
+ av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
+ return AVERROR(EINVAL);
+ }
+ }
+ }
+ if (avctx->channel_layout && avctx->channels) {
+ int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ if (channels != avctx->channels) {
+ char buf[512];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
+ av_log(avctx, AV_LOG_ERROR,
+ "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
+ buf, channels, avctx->channels);
+ return AVERROR(EINVAL);
+ }
+ } else if (avctx->channel_layout) {
+ avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ }
+ if (avctx->channels < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
+ avctx->channels);
+ return AVERROR(EINVAL);
+ }
+ if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ if ( avctx->bits_per_raw_sample < 0
+ || (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
+ av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
+ avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
+ avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
+ }
+ if (avctx->width <= 0 || avctx->height <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
+ && avctx->bit_rate>0 && avctx->bit_rate<1000) {
+ av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", avctx->bit_rate, avctx->bit_rate);