[FFmpeg-devel] [PATCH v2 2/5] avcodec/mpegvideo_enc: return more specific error codes for ff_mpv_encode_init()
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Thu May 7 15:59:59 EEST 2020
On Thu, May 07, 2020 at 01:30:02PM +0200, Nicolas George wrote:
> lance.lmwang at gmail.com (12020-05-07):
> > From: Limin Wang <lance.lmwang at gmail.com>
> >
> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> > ---
> > libavcodec/mpegvideo_enc.c | 85 +++++++++++++++++++++++-----------------------
> > 1 file changed, 43 insertions(+), 42 deletions(-)
> >
> > diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
> > index e1fd92c..45aa82f 100644
> > --- a/libavcodec/mpegvideo_enc.c
> > +++ b/libavcodec/mpegvideo_enc.c
> > @@ -298,7 +298,7 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
> > avctx->pix_fmt != AV_PIX_FMT_YUV422P) {
> > av_log(avctx, AV_LOG_ERROR,
> > "only YUV420 and YUV422 are supported\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > break;
> > case AV_CODEC_ID_MJPEG:
> > @@ -322,13 +322,13 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
> >
> > if (!format_supported) {
> > av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > break;
> > default:
> > if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) {
> > av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > }
> >
> > @@ -456,7 +456,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> >
> > if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) {
> > av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) {
> > @@ -466,12 +466,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
> >
> > if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) {
> > av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
> > av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (avctx->rc_max_rate &&
> > @@ -485,7 +485,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > avctx->bit_rate * (int64_t)avctx->time_base.num >
> > avctx->rc_buffer_size * (int64_t)avctx->time_base.den) {
> > av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (!s->fixed_qscale &&
> > @@ -511,18 +511,18 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P &&
> > s->codec_id != AV_CODEC_ID_FLV1) {
> > av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE) {
> > av_log(avctx, AV_LOG_ERROR,
> > "OBMC is only supported with simple mb decision\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (s->quarter_sample && s->codec_id != AV_CODEC_ID_MPEG4) {
> > av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (s->max_b_frames &&
> > @@ -530,12 +530,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > s->codec_id != AV_CODEC_ID_MPEG1VIDEO &&
> > s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
> > av_log(avctx, AV_LOG_ERROR, "B-frames not supported by codec\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > if (s->max_b_frames < 0) {
> > av_log(avctx, AV_LOG_ERROR,
> > "max b frames must be 0 or positive for mpegvideo based encoders\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if ((s->codec_id == AV_CODEC_ID_MPEG4 ||
> > @@ -555,28 +555,28 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > (avctx->width > 2048 ||
> > avctx->height > 1152 )) {
> > av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > if ((s->codec_id == AV_CODEC_ID_H263 ||
> > s->codec_id == AV_CODEC_ID_H263P) &&
> > ((avctx->width &3) ||
> > (avctx->height&3) )) {
> > av_log(avctx, AV_LOG_ERROR, "w/h must be a multiple of 4\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO &&
> > (avctx->width > 4095 ||
> > avctx->height > 4095 )) {
> > av_log(avctx, AV_LOG_ERROR, "MPEG-1 does not support resolutions above 4095x4095\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
> > (avctx->width > 16383 ||
> > avctx->height > 16383 )) {
> > av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if (s->codec_id == AV_CODEC_ID_RV10 &&
> > @@ -597,13 +597,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > s->codec_id == AV_CODEC_ID_WMV2) &&
> > avctx->width & 1) {
> > av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if ((s->avctx->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME)) &&
> > s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
> > av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > #if FF_API_PRIVATE_OPT
> > @@ -618,18 +618,18 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > && s->codec_id != AV_CODEC_ID_MPEG2VIDEO)) {
> > av_log(avctx, AV_LOG_ERROR,
> > "mpeg2 style quantization not supported by codec\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if ((s->mpv_flags & FF_MPV_FLAG_CBP_RD) && !avctx->trellis) {
> > av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) &&
> > s->avctx->mb_decision != FF_MB_DECISION_RD) {
> > av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) &&
> > @@ -638,7 +638,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > // Used to produce garbage with MJPEG.
> > av_log(avctx, AV_LOG_ERROR,
> > "QP RD is no longer compatible with MJPEG or AMV\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > #if FF_API_PRIVATE_OPT
> > @@ -653,7 +653,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > av_log(avctx, AV_LOG_ERROR,
> > "closed gop with scene change detection are not supported yet, "
> > "set threshold to 1000000000\n");
>
> > - return -1;
> > + return AVERROR(EINVAL);
>
> AVERROR_PATCHWELCOME or AVERROR(ENOTSUP)
>
> > }
> >
> > if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY) {
> > @@ -662,12 +662,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > av_log(avctx, AV_LOG_ERROR,
> > "low delay forcing is only available for mpeg2, "
> > "set strict_std_compliance to 'unofficial' or lower in order to allow it\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > if (s->max_b_frames != 0) {
> > av_log(avctx, AV_LOG_ERROR,
> > "B-frames cannot be used with low delay\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > }
> >
> > @@ -675,7 +675,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > if (avctx->qmax > 28) {
> > av_log(avctx, AV_LOG_ERROR,
> > "non linear quant only supports qmax <= 28 currently\n");
>
> > - return -1;
> > + return AVERROR(EINVAL);
>
> AVERROR_PATCHWELCOME or AVERROR(ENOTSUP)
>
> > }
> > }
> >
> > @@ -693,19 +693,19 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > (s->codec_id != AV_CODEC_ID_H263P)) {
> > av_log(avctx, AV_LOG_ERROR,
> > "multi threaded encoding not supported by codec\n");
>
> > - return -1;
> > + return AVERROR(EINVAL);
>
> AVERROR_PATCHWELCOME or AVERROR(ENOTSUP)
>
> > }
> >
> > if (s->avctx->thread_count < 1) {
> > av_log(avctx, AV_LOG_ERROR,
> > "automatic thread number detection not supported by codec, "
> > "patch welcome\n");
>
> > - return -1;
> > + return AVERROR(EINVAL);
>
> AVERROR_PATCHWELCOME
>
> > }
> >
> > if (!avctx->time_base.den || !avctx->time_base.num) {
> > av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > #if FF_API_PRIVATE_OPT
> > @@ -755,7 +755,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > "the maximum admitted value for the timebase denominator "
> > "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den,
> > (1 << 16) - 1);
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
> >
> > @@ -775,21 +775,22 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > case AV_CODEC_ID_AMV:
> > s->out_format = FMT_MJPEG;
> > s->intra_only = 1; /* force intra only for jpeg */
> > - if (!CONFIG_MJPEG_ENCODER ||
> > - ff_mjpeg_encode_init(s) < 0)
> > - return -1;
> > + if (!CONFIG_MJPEG_ENCODER)
> > + return AVERROR(EINVAL);
> > + if ((ret = ff_mjpeg_encode_init(s)) < 0)
> > + return ret;
> > avctx->delay = 0;
> > s->low_delay = 1;
> > break;
> > case AV_CODEC_ID_H261:
> > if (!CONFIG_H261_ENCODER)
> > - return -1;
> > + return AVERROR(EINVAL);
> > if (ff_h261_get_picture_format(s->width, s->height) < 0) {
> > av_log(avctx, AV_LOG_ERROR,
> > "The specified picture size of %dx%d is not valid for the "
> > "H.261 codec.\nValid sizes are 176x144, 352x288\n",
> > s->width, s->height);
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > s->out_format = FMT_H261;
> > avctx->delay = 0;
> > @@ -798,7 +799,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > break;
> > case AV_CODEC_ID_H263:
> > if (!CONFIG_H263_ENCODER)
>
> > - return -1;
> > + return AVERROR(EINVAL);
>
> AVERROR(ENOTSUP) or AVERROR_ENCODER_NOT_FOUND
>
> > if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format),
> > s->width, s->height) == 8) {
> > av_log(avctx, AV_LOG_ERROR,
> > @@ -806,7 +807,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > "the H.263 codec.\nValid sizes are 128x96, 176x144, "
> > "352x288, 704x576, and 1408x1152. "
> > "Try H.263+.\n", s->width, s->height);
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> > s->out_format = FMT_H263;
> > avctx->delay = 0;
> > @@ -892,7 +893,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > s->low_delay = 1;
> > break;
> > default:
> > - return -1;
> > + return AVERROR(EINVAL);
> > }
> >
> > #if FF_API_PRIVATE_OPT
> > @@ -913,8 +914,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
> >
> > /* init */
> > ff_mpv_idct_init(s);
> > - if (ff_mpv_common_init(s) < 0)
> > - return -1;
> > + if ((ret = ff_mpv_common_init(s)) < 0)
> > + return ret;
> >
> > ff_fdctdsp_init(&s->fdsp, avctx);
> > ff_me_cmp_init(&s->mecc, avctx);
> > @@ -1020,8 +1021,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
> > 31, 0);
> > }
> >
> > - if (ff_rate_control_init(s) < 0)
> > - return -1;
> > + if ((ret = ff_rate_control_init(s)) < 0)
> > + return ret;
> >
> > #if FF_API_PRIVATE_OPT
> > FF_DISABLE_DEPRECATION_WARNINGS
>
> Thanks for your efforts.
Thanks for review, I'll update the codes by the suggestion.
>
> --
> Nicolas George
--
Thanks,
Limin Wang
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