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webpenc: don't allow changing resolution in animation mode

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- fails on image resolution changes in animation mode
- fails with a log message on invalid color spaces

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5994>
This commit is contained in:
Loïc Le Page 2024-01-25 20:06:46 +01:00 committed by GStreamer Marge Bot
parent 9fe504c423
commit 05bd35f625
1 changed files with 37 additions and 23 deletions
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60
subprojects/gst-plugins-bad/ext/webp/gstwebpenc.c
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@ -190,11 +190,10 @@ gst_webp_enc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state)
{
GstWebpEnc *enc = GST_WEBP_ENC (encoder);
GstVideoCodecState *output_state;
GstVideoInfo *info;
GstVideoFormat format;
info = &state->info;
format = GST_VIDEO_INFO_FORMAT (info);
GstVideoInfo *info = &state->info;
GstVideoFormat format = GST_VIDEO_INFO_FORMAT (info);
gint width = GST_VIDEO_INFO_WIDTH (info);
gint height = GST_VIDEO_INFO_HEIGHT (info);
if (GST_VIDEO_INFO_IS_YUV (info)) {
switch (format) {
@ -203,36 +202,51 @@ gst_webp_enc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state)
enc->webp_color_space = WEBP_YUV420;
break;
default:
break;
GST_ERROR_OBJECT (enc, "Invalid color format");
return FALSE;
}
} else if (GST_VIDEO_INFO_IS_RGB (info)) {
enc->rgb_format = format;
enc->use_argb = 1;
} else {
if (GST_VIDEO_INFO_IS_RGB (info)) {
enc->rgb_format = format;
enc->use_argb = 1;
GST_ERROR_OBJECT (enc, "Invalid color format");
return FALSE;
}
if (enc->input_state) {
if (enc->anim_enc) {
gint prev_width = GST_VIDEO_INFO_WIDTH (&enc->input_state->info);
gint prev_height = GST_VIDEO_INFO_HEIGHT (&enc->input_state->info);
if (prev_width != width || prev_height != height) {
GST_ERROR_OBJECT (enc, "Image size is changing in animation mode");
return FALSE;
}
}
}
if (enc->input_state)
gst_video_codec_state_unref (enc->input_state);
}
enc->input_state = gst_video_codec_state_ref (state);
if (enc->anim_enc) {
WebPAnimEncoderDelete (enc->anim_enc);
enc->anim_enc = NULL;
}
if (enc->animated) {
WebPAnimEncoderOptions enc_options = { 0 };
WebPAnimEncoderOptionsInit (&enc_options);
enc->anim_enc =
WebPAnimEncoderNew (info->width, info->height, &enc_options);
}
output_state =
gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (enc),
gst_caps_new_empty_simple ("image/webp"), enc->input_state);
gst_video_codec_state_unref (output_state);
if (enc->animated && !enc->anim_enc) {
WebPAnimEncoderOptions enc_options = { 0 };
if (!WebPAnimEncoderOptionsInit (&enc_options)) {
GST_ERROR_OBJECT (enc, "Failed to initialize animation encoder options");
return FALSE;
}
enc->anim_enc = WebPAnimEncoderNew (width, height, &enc_options);
if (!enc->anim_enc) {
GST_ERROR_OBJECT (enc, "Failed to create the animation encoder");
return FALSE;
}
}
return TRUE;
}